Cheap flights from Dulles Intl (IAD) to St. Louis (STL) from $94

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/5. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
IAD — STL
may. 21 — may. 281

The best prices from Washington, D.C. Dulles Intl to Lambert-St Louis are usually found in December or April, booked 86 days in advance, depart on a Wednesday or Saturday and return on a Tuesday

Cheap flight deals from Dulles Intl to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to St. Louis (STL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated mayo 16, 2024.

Popular in

June

Cheapest in

December

Round-trip from

$320

One-way from

$178
High demand for flights, 11% potential price rise
Best time to find cheap flights, 25% potential price drop
From Washington, D.C. Dulles Intl to Lambert-St Louis
One-way flight from Washington, D.C. Dulles Intl to Lambert-St Louis

What is the cheapest day to fly round-trip from Washington, D.C. Dulles Intl Airport to St. Louis?

Users have found that leaving on a Tuesday can be a cost-effective option. It’s possible to save up to 27% on your flight compared to booking on days when demand is much higher.

How far in advance should I book a flight from Washington, D.C. Dulles Intl Airport to St. Louis?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 45 days in advance, which can save you up to 147% on flights from Washington, D.C. Dulles Intl Airport to St. Louis compared to booking the week you need them. Waiting 45 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $399. For sooner than that we have options available in the next 3 days from $470.

What is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to St. Louis?

The best pricing can be found in the month of January. Prices to St. Louis from Washington, D.C. Dulles Intl Airport average $327. You can even find prices in January for less than $327, as users have found deals to St. Louis from as low as $130. The month of March appears to be one of the more expensive times to travel to St. Louis from Washington, D.C. Dulles Intl Airport. Flying in the targeted month can save you up to 15%.

When is the cheapest time to fly from Washington, D.C. Dulles Intl Airport to St. Louis (IAD - STL)?

It’s typically best to fly out from Washington, D.C. Dulles Intl Airport to St. Louis in the morning. Doing so could potentially save you 15% on the flight price compared to flying in the evening, which is usually more expensive.

Cheap United Airlines flights from Dulles Intl to St. Louis

Explore cheap flight options specifically provided by United Airlines for the route between Dulles Intl and St. Louis. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated mayo 16, 2024.
Check out some of the cheapest United Airlines flights we've come across from Washington, D.C. to St. Louis. Come back soon if you're not finding the exact deal you're looking for.
mié. 6/58:20 amIAD - STL
Nonstop2h 12mUnited Airlines
lun. 6/245:31 pmSTL - IAD
1 stop6h 16mUnited Airlines
Deal found 5/15$199
jue. 5/306:14 amIAD - STL
1 stop5h 43mUnited Airlines
sáb. 6/16:30 amSTL - IAD
1 stop4h 16mUnited Airlines
Deal found 5/15$249
jue. 5/308:20 amIAD - STL
Nonstop2h 12mUnited Airlines
sáb. 6/16:30 amSTL - IAD
1 stop4h 16mUnited Airlines
Deal found 5/15$267
mar. 7/306:30 amIAD - STL
1 stop6h 47mUnited Airlines
mié. 7/318:25 amSTL - IAD
Nonstop2h 10mUnited Airlines
Deal found 5/15$274
mié. 6/58:20 amIAD - STL
Nonstop2h 12mUnited Airlines
vie. 6/75:31 pmSTL - IAD
1 stop6h 16mUnited Airlines
Deal found 5/15$282
sáb. 6/86:14 amIAD - STL
1 stop5h 43mUnited Airlines
sáb. 6/1512:50 pmSTL - IAD
Nonstop2h 09mUnited Airlines
Deal found 5/15$289
jue. 5/306:30 amIAD - STL
1 stop4h 38mUnited Airlines
lun. 6/35:31 pmSTL - IAD
1 stop6h 16mUnited Airlines
Deal found 5/15$297
lun. 7/85:23 pmIAD - STL
1 stop6h 14mUnited Airlines
vie. 7/128:25 amSTL - IAD
Nonstop2h 10mUnited Airlines
Deal found 5/15$302
mar. 6/258:24 amIAD - STL
1 stop6h 50mUnited Airlines
mié. 6/268:25 amSTL - IAD
Nonstop2h 10mUnited Airlines
Deal found 5/15$303

Cheap Delta flights from Dulles Intl to St. Louis

Explore cheap flight options specifically provided by Delta for the route between Dulles Intl and St. Louis. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated mayo 16, 2024.
Browse through some of the cheapest Delta flights traveling from Washington, D.C. to St. Louis. Deals frequently update to provide users with more options.
mar. 8/66:00 amIAD - STL
1 stop3h 52mDelta
sáb. 8/1011:51 amSTL - IAD
1 stop6h 02mDelta
Deal found 5/15$208
sáb. 6/86:00 amIAD - STL
1 stop4h 10mDelta
mar. 6/116:00 amSTL - IAD
1 stop4h 40mDelta
Deal found 5/15$218
jue. 6/66:00 amIAD - STL
1 stop4h 19mDelta
lun. 6/105:25 pmSTL - IAD
1 stop5h 34mDelta
Deal found 5/15$228
jue. 7/46:00 amIAD - STL
1 stop4h 09mDelta
lun. 7/810:08 amSTL - IAD
1 stop7h 07mDelta
Deal found 5/15$233
mar. 7/96:00 amIAD - STL
1 stop4h 02mDelta
vie. 7/125:26 pmSTL - IAD
1 stop5h 32mDelta
Deal found 5/16$243
vie. 7/1912:26 pmIAD - STL
1 stop4h 54mDelta
sáb. 7/205:27 pmSTL - IAD
1 stop4h 36mDelta
Deal found 5/16$253
mié. 6/56:00 amIAD - STL
1 stop6h 48mDelta
mar. 6/116:00 amSTL - IAD
1 stop4h 40mDelta
Deal found 5/16$259
mar. 7/236:10 amIAD - STL
1 stop4h 04mDelta
mar. 7/303:49 pmSTL - IAD
1 stop4h 47mDelta
Deal found 5/16$263
lun. 6/36:11 pmIAD - STL
1 stop4h 31mDelta
mar. 6/46:12 pmSTL - IAD
1 stop3h 41mDelta
Deal found 5/15$266

Cheap Dulles Intl to St. Louis flights in May & June 2024

Find cheap flight options from Dulles Intl to St. Louis specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,637,452 searches. Prices were last updated on mayo 16, 2024.
These are some of the most attractive deals on flights from Washington, D.C. to St. Louis in 2024. More deals are always being added, so be sure to check back regularly.
mié. 6/58:20 amIAD - STL
Nonstop2h 12mUnited Airlines
lun. 6/245:31 pmSTL - IAD
1 stop6h 16mUnited Airlines
Deal found 5/15$199
mié. 6/59:59 amIAD - STL
1 stop5h 23mDelta
lun. 6/245:25 pmSTL - IAD
1 stop5h 34mDelta
Deal found 5/15$208
sáb. 6/86:00 amIAD - STL
1 stop4h 10mDelta
mar. 6/116:00 amSTL - IAD
1 stop4h 40mDelta
Deal found 5/15$218
jue. 6/66:00 amIAD - STL
1 stop4h 19mDelta
lun. 6/105:25 pmSTL - IAD
1 stop5h 34mDelta
Deal found 5/15$228
mié. 6/126:00 amIAD - STL
1 stop4h 10mDelta
mar. 6/186:10 pmSTL - IAD
1 stop3h 48mDelta
Deal found 5/16$233
lun. 6/105:33 pmIAD - STL
1 stop5h 11mUnited Airlines
mié. 6/128:25 amSTL - IAD
Nonstop2h 10mUnited Airlines
Deal found 5/16$248
jue. 5/306:14 amIAD - STL
1 stop5h 43mUnited Airlines
sáb. 6/16:30 amSTL - IAD
1 stop4h 16mUnited Airlines
Deal found 5/15$249
sáb. 6/296:00 amIAD - STL
1 stop4h 10mDelta
lun. 7/14:02 pmSTL - IAD
1 stop4h 46mDelta
Deal found 5/16$253
mié. 6/56:00 amIAD - STL
1 stop6h 48mDelta
mar. 6/116:00 amSTL - IAD
1 stop4h 40mDelta
Deal found 5/16$259

Dulles Intl to St. Louis 2024 flight deals

Discover exclusive flight deals for travel between Dulles Intl and St. Louis in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated mayo 16, 2024.
These are some of the most attractive deals on flights from Washington, D.C. to St. Louis in 2024. More deals are always being added, so be sure to check back regularly.
jue. 7/46:00 amIAD - STL
1 stop4h 09mDelta
mar. 7/93:49 pmSTL - IAD
1 stop4h 47mDelta
Deal found 5/15$198
mié. 6/58:20 amIAD - STL
Nonstop2h 12mUnited Airlines
lun. 6/245:31 pmSTL - IAD
1 stop6h 16mUnited Airlines
Deal found 5/15$199
mar. 8/66:00 amIAD - STL
1 stop3h 52mDelta
mié. 8/72:05 pmSTL - IAD
1 stop6h 47mDelta
Deal found 5/15$208
sáb. 6/86:00 amIAD - STL
1 stop4h 10mDelta
mar. 6/116:00 amSTL - IAD
1 stop4h 40mDelta
Deal found 5/15$218
jue. 6/66:00 amIAD - STL
1 stop4h 19mDelta
lun. 6/105:25 pmSTL - IAD
1 stop5h 34mDelta
Deal found 5/15$228
jue. 7/46:00 amIAD - STL
1 stop4h 09mDelta
lun. 7/810:08 amSTL - IAD
1 stop7h 07mDelta
Deal found 5/15$233
vie. 10/256:30 amIAD - STL
1 stop4h 37mUnited Airlines
lun. 10/286:30 amSTL - IAD
1 stop4h 13mUnited Airlines
Deal found 5/15$238
mar. 7/96:00 amIAD - STL
1 stop4h 02mDelta
vie. 7/125:26 pmSTL - IAD
1 stop5h 32mDelta
Deal found 5/16$243
jue. 5/306:14 amIAD - STL
1 stop5h 43mUnited Airlines
sáb. 6/16:30 amSTL - IAD
1 stop4h 16mUnited Airlines
Deal found 5/15$249

Non-stop flights to St. Louis from Dulles Intl

Discover non-stop flight options from Dulles Intl to St. Louis. Find direct flights with no layovers, providing a convenient travel experience. Explore non-stop flight options based on user searches, and compare prices and availability for your desired travel dates. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated mayo 16, 2024.
If you're seeking options on non-stop flights from Washington, D.C. to St. Louis, check out these fares. Users seeking other options on flights from Washington, D.C. to St. Louis should update the search form at the top of the page.
mar. 7/238:15 amIAD - STL
Nonstop2h 07mUnited Airlines
mar. 7/308:25 amSTL - IAD
Nonstop2h 10mUnited Airlines
Deal found 5/15$328
jue. 8/158:15 amIAD - STL
Nonstop2h 07mUnited Airlines
lun. 8/198:25 amSTL - IAD
Nonstop2h 08mUnited Airlines
Deal found 5/15$354
dom. 8/188:15 amIAD - STL
Nonstop2h 07mUnited Airlines
mar. 8/208:25 amSTL - IAD
Nonstop2h 08mUnited Airlines
Deal found 5/15$369
sáb. 6/158:20 amIAD - STL
Nonstop2h 12mUnited Airlines
dom. 6/168:25 amSTL - IAD
Nonstop2h 10mUnited Airlines
Deal found 5/16$395
jue. 7/48:15 amIAD - STL
Nonstop2h 07mUnited Airlines
mar. 7/98:25 amSTL - IAD
Nonstop2h 10mUnited Airlines
Deal found 5/15$403
mié. 6/58:20 amIAD - STL
Nonstop2h 12mUnited Airlines
lun. 6/2412:50 pmSTL - IAD
Nonstop2h 09mUnited Airlines
Deal found 5/15$404
mié. 6/58:20 amIAD - STL
Nonstop2h 12mUnited Airlines
mar. 6/1112:50 pmSTL - IAD
Nonstop2h 09mUnited Airlines
Deal found 5/15$405
sáb. 6/158:20 amIAD - STL
Nonstop2h 12mUnited Airlines
sáb. 6/228:25 amSTL - IAD
Nonstop2h 10mUnited Airlines
Deal found 5/16$407
vie. 10/258:35 amIAD - STL
Nonstop2h 23mUnited Airlines
lun. 10/288:25 amSTL - IAD
Nonstop2h 06mUnited Airlines
Deal found 5/15$409

Dulles Intl to St. Louis flights leaving soon

Find last-minute flight options from Dulles Intl to St. Louis for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated mayo 16, 2024.
Users seeking a last-minute flight from Washington, D.C. to St. Louis should consider booking one of these fares. Tip: verify your flight details before completing your reservation.
mié. 5/228:25 amIAD - STL
3 stops35h 15mMultiple Airlines
vie. 5/246:05 pmSTL - IAD
1 stop25h 17mMultiple Airlines
Deal found 5/14$281
jue. 5/236:00 amIAD - STL
1 stop6h 48mDelta
jue. 5/305:02 pmSTL - IAD
1 stop5h 53mDelta
Deal found 5/15$295
mié. 5/225:50 pmIAD - STL
Nonstop2h 29mUnited Airlines
sáb. 6/85:31 pmSTL - IAD
1 stop6h 16mUnited Airlines
Deal found 5/15$306
mié. 5/222:59 pmIAD - STL
1 stop4h 42mDelta
sáb. 6/85:25 pmSTL - IAD
1 stop5h 34mDelta
Deal found 5/15$315
vie. 5/247:00 amIAD - STL
1 stop5h 48mDelta
jue. 5/305:02 pmSTL - IAD
1 stop5h 53mDelta
Deal found 5/15$320
jue. 5/236:00 amIAD - STL
1 stop6h 48mDelta
mié. 5/296:00 amSTL - IAD
1 stop4h 34mDelta
Deal found 5/15$334
sáb. 5/258:25 amIAD - STL
3 stops35h 15mMultiple Airlines
jue. 5/307:45 amSTL - IAD
2 stops12h 50mMultiple Airlines
Deal found 5/15$348
sáb. 5/258:12 pmIAD - STL
1 stop4h 10mAmerican Airlines
mié. 5/297:30 amSTL - IAD
1 stop5h 14mAmerican Airlines
Deal found 5/15$356
jue. 5/236:00 amIAD - STL
1 stop6h 48mDelta
vie. 5/313:27 pmSTL - IAD
1 stop5h 18mDelta
Deal found 5/15$359

One-way flights to St. Louis from Dulles Intl

Search for one-way flight options from Dulles Intl to St. Louis. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated mayo 16, 2024.
Some of the best available deals we've found on one-way flights from Washington, D.C. to St. Louis. Those needing a return flight from Washington, D.C. to St. Louis can use the search form above.
mié. 6/56:00 amIAD - STL
1 stop6h 48mDelta
Deal found 5/15$94
mar. 7/305:22 pmIAD - STL
1 stop4h 14mDelta
Deal found 5/15$104
mié. 10/167:10 amIAD - STL
1 stop4h 33mDelta
Deal found 5/15$109
sáb. 7/137:11 pmIAD - STL
1 stop5h 28mDelta
Deal found 5/16$114
mié. 6/58:20 amIAD - STL
Nonstop2h 12mUnited Airlines
Deal found 5/15$120
mié. 6/125:00 amIAD - STL
1 stop4h 33mAmerican Airlines
Deal found 5/15$128
mié. 6/126:00 amIAD - STL
1 stop4h 10mDelta
Deal found 5/15$129
mar. 6/43:27 pmIAD - STL
1 stop5h 03mAmerican Airlines
Deal found 5/15$132
lun. 6/36:11 pmIAD - STL
1 stop4h 31mDelta
Deal found 5/15$133

Find flights from Dulles Intl to St. Louis within your budget

Customize your flight search to find flights from Dulles Intl to St. Louis that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated mayo 16, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$199 - $281

Route

Depart

Return

Price

Washington, D.C. Dulles IntlLambert-St Louis

IAD - STL

IADSTL

Washington, D.C. Dulles Intl

mié. 6/5

Nonstop2h 12m

Lambert-St Louis

lun. 6/24

1 stop6h 16m

$199

Washington, D.C. Dulles IntlLambert-St Louis

IAD - STL

IADSTL

Washington, D.C. Dulles Intl

mar. 8/6

1 stop3h 52m

Lambert-St Louis

sáb. 8/10

1 stop6h 02m

$208

Washington, D.C. Dulles IntlLambert-St Louis

IAD - STL

IADSTL

Washington, D.C. Dulles Intl

sáb. 6/8

1 stop4h 10m

Lambert-St Louis

mar. 6/11

1 stop4h 40m

$218

Washington, D.C. Dulles IntlLambert-St Louis

IAD - STL

IADSTL

Washington, D.C. Dulles Intl

jue. 6/6

1 stop4h 19m

Lambert-St Louis

lun. 6/10

1 stop5h 34m

$228

Washington, D.C. Dulles IntlLambert-St Louis

IAD - STL

IADSTL

Washington, D.C. Dulles Intl

jue. 5/30

1 stop5h 43m

Lambert-St Louis

sáb. 6/1

1 stop4h 16m

$249

Washington, D.C. Dulles IntlLambert-St Louis

IAD - STL

IADSTL

Washington, D.C. Dulles Intl

vie. 6/21

1 stop7h 20m

Lambert-St Louis

mar. 6/25

1 stop6h 50m

$264

Washington, D.C. Dulles IntlLambert-St Louis

IAD - STL

IADSTL

Washington, D.C. Dulles Intl

mié. 5/29

1 stop5h 51m

Lambert-St Louis

vie. 6/7

1 stop5h 21m

$268

Washington, D.C. Dulles IntlLambert-St Louis

IAD - STL

IADSTL

Washington, D.C. Dulles Intl

jue. 5/30

1 stop26h 03m

Lambert-St Louis

dom. 6/2

1 stop26h 06m

$275

Washington, D.C. Dulles IntlLambert-St Louis

IAD - STL

IADSTL

Washington, D.C. Dulles Intl

mié. 5/22

3 stops35h 15m

Lambert-St Louis

vie. 5/24

1 stop25h 17m

$281

Flights are sorted by cheapest first

Deals found on 5/15

When is the best time to book a flight from Washington, D.C. Dulles Intl Airport to St. Louis?

Use this chart to determine the optimal time to book a round-trip flight from Dulles Intl to St. Louis. Price data was last updated on May 10, 2024.
The best time to book flights from Washington, D.C. Dulles Intl Airport to St. Louis is 85 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Search Deals

When is the cheapest time to fly from Washington, D.C. Dulles Intl Airport to St. Louis?

Use this chart to determine the cheapest time to fly round-trip from Dulles Intl to St. Louis. Price data was last updated on May 12, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to St. Louis flight should consider departing on Friday evenings when fares are most often at their lowest. Thursday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to St. Louis by month

Plan your trip from Dulles Intl to St. Louis by taking into account the cheapest months to travel. The average price of a one-way flight from Dulles Intl to St. Louis is currently $118 while a round-trip flight costs $243. Price data was last updated on May 12, 2024.

Currently, September is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to St. Louis (average of $320). Flying from Washington, D.C. Dulles Intl Airport to St. Louis in July is currently the most expensive (average of $369). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

January

$326

February

$331

March

$357

April

$337

May

$342

June

$366

July

$369

August

$336

September

$320

October

$324

November

$336

December

$326

Temperature and rainfall in St. Louis by month

Plan your trip to St. Louis by taking into account the average temperature and rainfall totals by month.

STL

Temperature

32 - 80.6 °F

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to St. Louis. Reviews last updated mayo 16, 2024.
Read reviews from past customers who have flown United Airlines, Delta and American Airlines from Washington, D.C. to St. Louis. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good
10,673 reviews

Crew

8.6

Overall

8.0

Comfort

7.9

Food

7.4

Entertainment

8.0

Boarding

8.2

Reviews

1 / 10

When I was going to board, one of the staff members told me that I could not board with my passport bag because it was tree items and I would need to check a bag. This was so stupid ! The bag was small. So I had to put my things in my pockets, put the funny bag inside the other bag. Then go throw it. Then in the plane put everything back again in my funny bag.

8.0
Very good
10,673 reviews
8.0
Very good
10,673 reviews

Crew

8.6

Overall

8.0

Comfort

7.9

Food

7.4

Entertainment

8.0

Boarding

8.2

Reviews

1 / 10

When I was going to board, one of the staff members told me that I could not board with my passport bag because it was tree items and I would need to check a bag. This was so stupid ! The bag was small. So I had to put my things in my pockets, put the funny bag inside the other bag. Then go throw it. Then in the plane put everything back again in my funny bag.

7.7
Good
4,387 reviews
8.0
Very good
10,673 reviews

Crew

8.6

Overall

8.0

Comfort

7.9

Food

7.4

Entertainment

8.0

Boarding

8.2

Reviews

1 / 10

When I was going to board, one of the staff members told me that I could not board with my passport bag because it was tree items and I would need to check a bag. This was so stupid ! The bag was small. So I had to put my things in my pockets, put the funny bag inside the other bag. Then go throw it. Then in the plane put everything back again in my funny bag.

7.4
Good
10,924 reviews
8.0
Very good
10,673 reviews

Crew

8.6

Overall

8.0

Comfort

7.9

Food

7.4

Entertainment

8.0

Boarding

8.2

Reviews

1 / 10

When I was going to board, one of the staff members told me that I could not board with my passport bag because it was tree items and I would need to check a bag. This was so stupid ! The bag was small. So I had to put my things in my pockets, put the funny bag inside the other bag. Then go throw it. Then in the plane put everything back again in my funny bag.

7.3
Good
14,514 reviews
8.0
Very good
10,673 reviews

Crew

8.6

Overall

8.0

Comfort

7.9

Food

7.4

Entertainment

8.0

Boarding

8.2

Reviews

1 / 10

When I was going to board, one of the staff members told me that I could not board with my passport bag because it was tree items and I would need to check a bag. This was so stupid ! The bag was small. So I had to put my things in my pockets, put the funny bag inside the other bag. Then go throw it. Then in the plane put everything back again in my funny bag.

7.2
Good
630 reviews
8.0
Very good
10,673 reviews

Crew

8.6

Overall

8.0

Comfort

7.9

Food

7.4

Entertainment

8.0

Boarding

8.2

Reviews

1 / 10

When I was going to board, one of the staff members told me that I could not board with my passport bag because it was tree items and I would need to check a bag. This was so stupid ! The bag was small. So I had to put my things in my pockets, put the funny bag inside the other bag. Then go throw it. Then in the plane put everything back again in my funny bag.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly into for flights to St. Louis from Washington, D.C. Dulles Intl?

    If you book a flight to St. Louis from Washington, D.C. Dulles Intl, you will be flying to Lambert-St Louis, which is the city’s only airport. Lambert-St Louis (STL) is located 12.7 mi from the center of St. Louis. There are 5 flights from Washington, D.C. Dulles Intl to Lambert-St Louis per day from 3 different airlines.

  • Can I find flights from Washington, D.C. Dulles Intl Airport to St. Louis for under $200 on Cheapflights?

    Yes, there are multiple flights from Washington, D.C. Dulles Intl Airport to St. Louis for under $200. The cheapest flight booked recently is on United Airlines for just $199, but on average you can expect to pay $254.

  • Are there nonstop flights from Washington, D.C. Dulles Intl Airport to St. Louis for under $400 on Cheapflights?

    Cheapflights has at least 20 direct flights from Washington, D.C. Dulles Intl Airport to St. Louis under $400. A good price for a nonstop flight from Washington, D.C. Dulles Intl Airport to St. Louis is less than $408.

  • Are there last-minute flights available from Washington, D.C. Dulles Intl Airport to St. Louis for under $300?

    There are currently 20+ open flights from Washington, D.C. Dulles Intl Airport to St. Louis within the next 7 days for less than $300.

  • What days are nonstop flights available from Washington, D.C. Dulles Intl Airport to St. Louis?

    You can find nonstop flights on the following days: Monday.

  • How many flights depart from Washington, D.C. Dulles Intl Airport to St. Louis on average per day?

    On average 1 flight departs from Washington, D.C. Dulles Intl Airport to St. Louis per day.
    Morning (6am - Noon) - 100% of flight departures

  • How long is the flight from Washington, D.C. Dulles Intl Airport to St. Louis?

    Airlines like United Airlines, Delta, and American Airlines fly from Washington, D.C. Dulles Intl Airport to St. Louis in about 2h 12m. The time it takes to get you to your destination can typically vary by up to 5h 08m. The distance from Washington, D.C. Dulles Intl Airport to St. Louis is about 698 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to St. Louis round-trip?

    Cheapflights users have booked flights from Washington, D.C. Dulles Intl Airport to St. Louis round-trip from $199. Other airlines that can offer you cheap pricing are Delta, from $208, and American Airlines, from $264. These flights start at 53% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to St. Louis one-way?

    The cheapest airlines for a one-way flight from Washington, D.C. Dulles Intl Airport to St. Louis are Delta ($94), United Airlines ($120), and American Airlines ($128).

  • What are the most popular airlines that fly from Washington, D.C. Dulles Intl Airport to St. Louis?

  • What are the most reliable airlines from Washington, D.C. Dulles Intl Airport to St. Louis?

    Consider Lufthansa (89%), Brussels Airlines (88%) or GoJet (88%) when booking your flight. These represent the most reliable airlines when flying from Washington, D.C. Dulles Intl Airport to St. Louis.

  • What are the cheapest flights from Washington, D.C. Dulles Intl Airport to St. Louis?

    Looking for the cheapest flight from Washington, D.C. Dulles Intl Airport to St. Louis? While on average our users pay $456, our data indicates the cheapest price to be $100. The most popular route (Washington, D.C. Dulles Intl - Lambert-St Louis), is priced around $198.

  • What does IAD to STL mean?

    IAD and STL are unique codes to identify airports used in the aviation industry. They are defined by IATA (International Air Transport Association) and are commonly called IATA codes. IAD to STL refers to a flight route from Washington, D.C. Dulles Intl Airport to Lambert-St Louis Airport.

  • Can I find deals for flights from Dulles Intl to St. Louis that include extra baggage allowance?

    The amount of baggage you can bring on your Dulles Intl to St. Louis flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Dulles Intl to St. Louis with specific airlines?

    Yes, Cheapflights allows you to browse and filter Dulles Intl to St. Louis flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Dulles Intl to St. Louis that include hotel bookings?

    Yes. In addition to deals on Dulles Intl to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dulles Intl to St. Louis?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to St. Louis.

  • Can I find deals for business class flights from Dulles Intl to St. Louis?

    Yes. Cheapflights offers flight deals from Dulles Intl to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Dulles Intl to St. Louis that allow pets onboard?

    Many airlines flying from Dulles Intl to St. Louis offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Dulles Intl to St. Louis?

    Yes, you can often find last-minute deals on Dulles Intl to St. Louis flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Washington, D.C. Dulles Intl Airport to St. Louis flight deals updated?

    The Washington, D.C. Dulles Intl Airport to St. Louis flight deals you see on this page were last updated on 5/16.

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Top 3 airlines flying from Dulles Intl to St. Louis

Discover the top 3 airlines that operate flights from Dulles Intl to St. Louis. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated mayo 16, 2024.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$177Average$297FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapest$225Average$448FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapest$252Average$395FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

Search flights from Dulles Intl to St. Louis by cabin class

Find flights from Dulles Intl to St. Louis, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Hourly flight availability from Dulles Intl to St. Louis

Find hourly flight availability from Dulles Intl to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated mayo 16, 2024.
1%of flight departuresEarly morningMidnight to 6 am
37%of flight departuresMorning6 am to noon
62%of flight departuresAfternoonNoon to 6 pm
0%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Weekly flight availability from Dulles Intl to St. Louis

Explore weekly flight availability from Dulles Intl to St. Louis. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated mayo 16, 2024.
Sunday6daily flights
Monday5daily flights
Tuesday5daily flights
Wednesday5daily flights
Thursday5daily flights
Friday5daily flights
Saturday5daily flights

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900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to St. Louis from Dulles Intl today with Cheapflights!

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It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Dulles Intl to St. Louis.

Can Cheapflights find flights from Dulles Intl to St. Louis with no change fees?

Certainly. Search results for flights to St. Louis from Dulles Intl shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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Of course! You can now track prices for flights from Dulles Intl to St. Louis and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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