How popular is this State of Washington to St. Louis flight route?

This flight path from Washington to Lambert-St Louis was viewed by 5 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

What are the cheapest airlines to fly from State of Washington to St. Louis one-way?

One-way options have recently been found by users for as low as $95 on Delta. Other airlines that offer cheap prices include Frontier from $96 and Southwest from $100 one-way.

What are the most popular routes from State of Washington to St. Louis?

The most popular flight routes from State of Washington to St. Louis are Seattle/Tacoma Intl - Lambert-St Louis, Portland - Lambert-St Louis and Spokane - Lambert-St Louis.

What are the cheapest flights from State of Washington to St. Louis?

The cheapest flight price from State of Washington to St. Louis is $118. On average you can expect to pay $528. The most popular route, (Seattle/Tacoma Intl - Lambert-St Louis), can usually be booked for $189.

What are the most reliable airlines from State of Washington to St. Louis?

The top 3 most reliable airlines when flying from State of Washington to St. Louis are American Airlines (92%), Alaska Airlines (90%) and Hawaiian Airlines (90%).

What are the most popular airlines that fly from State of Washington to St. Louis?

The most popular airlines flying from State of Washington to St. Louis are American Airlines, Alaska Airlines and Delta. Something to consider prior to booking your flight.

How far in advance should I book a flight from State of Washington to St. Louis?

Find a great deal and save up to 73% by booking at least 48 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from State of Washington to St. Louis within the next two weeks, with the cheapest ticket starting at $418.

What is the cheapest month to fly from State of Washington to St. Louis?

The best pricing can be found in the month of September. Prices to St. Louis from State of Washington average $386. You can even find prices in September for less than $386, as users have found deals to St. Louis from as low as $216. The month of December appears to be one of the more expensive times to travel to St. Louis from State of Washington. Flying in the targeted month can save you up to 20%.

What airport do you fly into for flights to St. Louis from Washington?

Lambert-St Louis (STL), located 12.7 mi from the city center, is the airport you fly into when you book flights from Washington to St. Louis.

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

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

How can I find direct flights from Washington to St. Louis?

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

Can I find deals for business class flights from Washington to St. Louis?

Yes. Cheapflights offers flight deals from Washington 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.

$95+ Flights from Washington to St. Louis

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Cheap flight deals from Washington to St. Louis

Most accurate provider	FlightHub 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$220 (CheapOair)
One-way from	$95 (Delta)
Popular in	December
Cheapest in	September
Average price	$342
Good round-trip deal	$338 or less
Good one-way deal	$138 or less

Provider with most accurate pricing for Seattle/Tacoma Intl-Lambert-St Louis flight deals.

Search Deals

Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Lambert-St Louis flights.

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From Washington to Lambert-St Louis

Search Deals

One-way flight from Washington to Lambert-St Louis

Search Deals

Highest demand for flights based on searches. 7% potential increase in price ($30 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 2025

Search Deals

Price to beat on a round-trip flight from Washington to Lambert-St Louis.

Search Deals

Price to beat on a one-way flight from Washington to Lambert-St Louis.

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Find flight deals from Washington to St. Louis

Cheapest flights from Washington to St. Louis
Explore the most affordable flight options available from Washington to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 17, 2025.

Fri 4/256:00 amSEA - STL

1 stop26h 01mFrontier

Mon 4/286:58 pmSTL - SEA

1 stop7h 46mFrontier

Deal found 4/17

$221

Fri 5/911:50 pmSEA - STL

1 stop9h 02mDelta

Tue 5/137:19 pmSTL - SEA

1 stop6h 40mDelta

Deal found 4/17

$224

Tue 5/275:30 amPDX - STL

1 stop6h 04mDelta

Tue 6/37:19 pmSTL - PDX

1 stop6h 24mDelta

Deal found 4/16

$227

Thu 10/305:15 amSEA - STL

1 stop7h 40mSouthwest

Sun 11/22:30 pmSTL - SEA

1 stop7h 30mSouthwest

Deal found 4/16

$234

Fri 5/91:10 amSEA - STL

1 stop6h 44mAmerican Airlines

Tue 5/135:00 amSTL - SEA

1 stop7h 15mAmerican Airlines

Deal found 4/17

$235

Wed 5/216:04 pmSEA - STL

Nonstop4h 00mMultiple Airlines

Wed 5/287:55 pmSTL - SEA

1 stop24h 15mMultiple Airlines

Deal found 4/17

$236

Thu 5/86:20 amPDX - STL

1 stop24h 49mFrontier

Mon 5/126:53 pmSTL - PDX

1 stop7h 45mFrontier

Deal found 4/17

$243

Tue 5/276:04 pmSEA - STL

Nonstop4h 00mAlaska Airlines

Wed 6/46:18 pmSTL - SEA

Nonstop4h 27mAlaska Airlines

Deal found 4/16

$257

Wed 5/143:24 pmPDX - STL

1 stop6h 27mAmerican Airlines

Wed 5/285:00 amSTL - PDX

1 stop7h 24mAmerican Airlines

Deal found 4/16

$267

Thu 9/2512:39 pmSEA - STL

Nonstop3h 59mHawaiian Airlines

Sun 9/287:36 pmSTL - SEA

Nonstop4h 24mHawaiian Airlines

Deal found 4/17

$269

Thu 5/156:30 pmPDX - STL

1 stop15h 07mMultiple Airlines

Fri 5/237:24 pmSTL - PDX

1 stop18h 24mMultiple Airlines

Deal found 4/16

$272

Mon 5/267:00 amPDX - STL

1 stop6h 30mUnited Airlines

Fri 5/305:00 amSTL - PDX

1 stop6h 42mUnited Airlines

Deal found 4/16

$287

Best flights from Washington to St. Louis
Discover carefully curated flight deals from Washington to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 17, 2025.

Fri 5/212:21 pmSEA - STL

1 stop19h 38mFrontier

Sun 5/49:55 pmSTL - SEA

1 stop22h 05mFrontier

Deal found 4/16

$220

Fri 8/157:20 amSEA - STL

1 stop8h 43mDelta

Tue 8/262:15 pmSTL - SEA

1 stop6h 11mDelta

Deal found 4/16

$224

Fri 5/91:10 amSEA - STL

1 stop6h 44mAmerican Airlines

Tue 5/135:00 amSTL - SEA

1 stop7h 15mAmerican Airlines

Deal found 4/17

$235

Fri 5/166:04 pmSEA - STL

Nonstop4h 00mMultiple Airlines

Sat 5/247:55 pmSTL - SEA

1 stop6h 42mMultiple Airlines

Deal found 4/16

$239

Wed 4/3011:30 amSEA - STL

1 stop8h 20mSouthwest

Wed 5/75:25 pmSTL - SEA

1 stop8h 25mSouthwest

Deal found 4/16

$244

Wed 4/307:00 amSEA - STL

1 stop6h 47mUnited Airlines

Sat 5/31:41 pmSTL - SEA

1 stop6h 25mUnited Airlines

Deal found 4/16

$247

Tue 5/276:04 pmSEA - STL

Nonstop4h 00mAlaska Airlines

Wed 6/46:18 pmSTL - SEA

Nonstop4h 27mAlaska Airlines

Deal found 4/16

$257

Tue 6/36:04 pmSEA - STL

Nonstop4h 00mHawaiian Airlines

Wed 6/43:03 pmSTL - SEA

Nonstop4h 29mHawaiian Airlines

Deal found 4/16

$277

Thu 5/157:10 pmSEA - STL

1 stop14h 27mSun Country Air

Fri 5/233:30 pmSTL - SEA

1 stop23h 56mSun Country Air

Deal found 4/16

$350

Fri 5/165:40 pmPDX - STL

2 stops13h 35mSpirit Airlines

Sat 5/2410:10 amSTL - PDX

2 stops32h 35mSpirit Airlines

Deal found 4/16

$395

Tue 5/275:30 amPDX - STL

1 stop6h 04mDelta

Tue 6/37:19 pmSTL - PDX

1 stop6h 24mDelta

Deal found 4/16

$227

Thu 5/86:20 amPDX - STL

1 stop24h 49mFrontier

Mon 5/126:53 pmSTL - PDX

1 stop7h 45mFrontier

Deal found 4/17

$243

Last-minute flights from Washington to St. Louis
Discover last-minute flight deals from Washington to St. Louis. Data last updated April 17, 2025 and is based on user searches.

Tue 4/228:03 amSEA - STL

Nonstop4h 05mMultiple Airlines

Wed 4/236:58 pmSTL - SEA

1 stop7h 46mMultiple Airlines

Deal found 4/17

$393

Wed 4/238:45 pmPDX - STL

1 stop15h 23mAlaska Airlines

Fri 4/253:08 pmSTL - PDX

1 stop7h 48mAlaska Airlines

Deal found 4/16

$382

Wed 4/2310:59 pmPDX - STL

1 stop8h 29mDelta

Fri 4/257:15 pmSTL - PDX

1 stop6h 29mDelta

Deal found 4/16

$383

Wed 4/238:45 amPDX - STL

1 stop5h 46mUnited Airlines

Fri 4/254:45 pmSTL - PDX

2 stops9h 45mUnited Airlines

Deal found 4/16

$411

Wed 4/237:35 amSEA - STL

2 stops8h 10mSouthwest

Sat 4/266:15 pmSTL - SEA

1 stop6h 30mSouthwest

Deal found 4/17

$474

Thu 4/245:30 amSEA - STL

1 stop5h 58mDelta

Thu 4/245:34 pmSTL - SEA

1 stop7h 50mDelta

Deal found 4/17

$469

Fri 4/256:00 amSEA - STL

1 stop26h 01mFrontier

Mon 4/286:58 pmSTL - SEA

1 stop7h 46mFrontier

Deal found 4/17

$221

Fri 4/256:20 amPDX - STL

1 stop25h 41mFrontier

Sun 4/279:55 pmSTL - PDX

1 stop13h 17mFrontier

Deal found 4/16

$301

Fri 4/258:03 amSEA - STL

Nonstop4h 05mAlaska Airlines

Sun 4/276:30 amSTL - SEA

Nonstop4h 24mAlaska Airlines

Deal found 4/17

$497

Sat 4/261:52 pmALW - STL

1 stop8h 07mHawaiian Airlines

Tue 6/177:32 pmSTL - ALW

1 stop6h 27mHawaiian Airlines

Deal found 4/17

$449

Sun 4/276:20 amPDX - STL

1 stop25h 41mMultiple Airlines

Sun 5/48:00 amSTL - PDX

1 stop11h 25mMultiple Airlines

Deal found 4/17

$284

Sun 4/2712:59 amSEA - STL

1 stop7h 34mAmerican Airlines

Tue 5/65:00 amSTL - SEA

1 stop9h 47mAmerican Airlines

Deal found 4/17

$358

One-way flights from Washington to St. Louis
Search for one-way flight options from Washington to St. Louis. Find affordable one-way fares based on user searches. Data last updated April 17, 2025.

Fri 5/1610:55 pmSEA - STL

1 stop8h 40mDelta

Deal found 4/16

$95

Tue 4/226:20 amPDX - STL

1 stop25h 41mFrontier

Deal found 4/16

$96

Wed 6/1110:40 pmSEA - STL

2 stops10h 55mSouthwest

Deal found 4/16

$100

Sun 6/16:25 amSEA - STL

1 stop24h 47mFrontier

Deal found 4/17

$102

Sun 5/257:20 amSEA - STL

1 stop8h 40mUnited Airlines

Deal found 4/16

$109

Sat 5/176:00 amPDX - STL

1 stop9h 07mUnited Airlines

Deal found 4/16

$109

Tue 5/278:11 amSEA - STL

Nonstop3h 56mHawaiian Airlines

Deal found 4/16

$119

Mon 5/51:10 amSEA - STL

1 stop6h 44mAmerican Airlines

Deal found 4/17

$124

Wed 5/76:00 amSEA - STL

2 stops25h 15mSpirit Airlines

Deal found 4/16

$129

Sun 5/182:30 pmPDX - STL

1 stop7h 34mAlaska Airlines

Deal found 4/16

$134

Thu 5/2211:59 pmSEA - STL

1 stop9h 26mSun Country Air

Deal found 4/17

$138

Mon 6/26:04 pmSEA - STL

Nonstop4h 00mAlaska Airlines

Deal found 4/16

$139

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleSt. Louis

SEA - STL

SEASTL

Seattle/Tacoma Intl

Sun 5/4

6:00 am-9:09 am

1 stop25h 09m

Lambert-St Louis

Sun 5/11

9:55 pm-6:00 pm

1 stop22h 05m

$221

SeattleSt. Louis

SEA - STL

SEASTL

Seattle/Tacoma Intl

Fri 5/9

11:50 pm-10:52 am

1 stop9h 02m

Lambert-St Louis

Tue 5/13

7:19 pm-11:59 pm

1 stop6h 40m

$224

PortlandSt. Louis

PDX - STL

PDXSTL

Portland

Tue 5/27

5:30 am-1:34 pm

1 stop6h 04m

Lambert-St Louis

Tue 6/3

7:19 pm-11:43 pm

1 stop6h 24m

$227

SeattleSt. Louis

SEA - STL

SEASTL

Seattle/Tacoma Intl

Fri 5/9

1:10 am-9:54 am

1 stop6h 44m

Lambert-St Louis

Tue 5/13

5:00 am-10:15 am

1 stop7h 15m

$235

SeattleSt. Louis

SEA - STL

SEASTL

Seattle/Tacoma Intl

Wed 5/21

6:04 pm-12:04 am

Nonstop4h 00m

Lambert-St Louis

Wed 5/28

7:55 pm-6:10 pm

1 stop24h 15m

$236

PortlandSt. Louis

PDX - STL

PDXSTL

Portland

Thu 5/8

6:20 am-9:09 am

1 stop24h 49m

Lambert-St Louis

Mon 5/12

6:53 pm-12:38 am

1 stop7h 45m

$243

SeattleSt. Louis

SEA - STL

SEASTL

Seattle/Tacoma Intl

Wed 5/7

5:00 am-5:45 pm

2 stops10h 45m

Lambert-St Louis

Mon 5/12

6:15 pm-12:30 am

1 stop8h 15m

$255

SeattleSt. Louis

SEA - STL

SEASTL

Seattle/Tacoma Intl

Tue 5/27

6:04 pm-12:04 am

Nonstop4h 00m

Lambert-St Louis

Wed 6/4

6:18 pm-8:45 pm

Nonstop4h 27m

$257

PortlandSt. Louis

PDX - STL

PDXSTL

Portland

Wed 5/14

3:24 pm-11:51 pm

1 stop6h 27m

Lambert-St Louis

Wed 5/28

5:00 am-10:24 am

1 stop7h 24m

$267

SeattleSt. Louis

SEA - STL

SEASTL

Seattle/Tacoma Intl

Thu 9/25

12:39 pm-6:38 pm

Nonstop3h 59m

Lambert-St Louis

Sun 9/28

7:36 pm-10:00 pm

Nonstop4h 24m

$269

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/16

Showing 1-10 of 55 results

...

Best time to book a flight from Washington to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Washington with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington to St. Louis

What is the cheapest month to book a flight from State of Washington to St. Louis?

Currently, August is the cheapest month in which you can book a flight from State of Washington to St. Louis (average of $311). Flying from State of Washington to St. Louis in March is currently the most expensive (average of $356). 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.

What is the cheapest time of day to fly from WA to STL?

When flying from State of Washington to St. Louis, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in St. Louis by month

In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.

Temperature in St. Louis by month

If weather is an important factor for your trip to St. Louis, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

Reviews of airlines servicing St. Louis

Peruse reviews from past customers who have flown with Alaska Airlines, Southwest and Delta from Washington to St. Louis to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

9,882 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Alaska Airlines

8.0

Very good

9,882 reviews

Alaska Airlines

8.0

Very good

9,882 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Southwest

8.0

Very good

4,280 reviews

Alaska Airlines

8.0

Very good

9,882 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Delta

8.0

Very good

7,917 reviews

Alaska Airlines

8.0

Very good

9,882 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Hawaiian Airlines

7.9

Good

2,382 reviews

Alaska Airlines

8.0

Very good

9,882 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

United Airlines

7.4

Good

8,667 reviews

Alaska Airlines

8.0

Very good

9,882 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Related info for your journey

What airport do you fly into for flights to St. Louis from Washington?
Lambert-St Louis (STL), located 12.7 mi from the city center, is the airport you fly into when you book flights from Washington to St. Louis.
How popular is this State of Washington to St. Louis flight route?
This flight path from Washington to Lambert-St Louis was viewed by 5 users in the past month. Keep an eye out for changes in search interest prior to high and low season.
What are the cheapest airlines to fly from State of Washington to St. Louis one-way?
One-way options have recently been found by users for as low as $95 on Delta. Other airlines that offer cheap prices include Frontier from $96 and Southwest from $100 one-way.
What are the most popular routes from State of Washington to St. Louis?
The most popular flight routes from State of Washington to St. Louis are Seattle/Tacoma Intl - Lambert-St Louis, Portland - Lambert-St Louis and Spokane - Lambert-St Louis.
What are the most reliable airlines from State of Washington to St. Louis?
The top 3 most reliable airlines when flying from State of Washington to St. Louis are American Airlines (92%), Alaska Airlines (90%) and Hawaiian Airlines (90%).
What are the cheapest flights from State of Washington to St. Louis?
The cheapest flight price from State of Washington to St. Louis is $118. On average you can expect to pay $528. The most popular route, (Seattle/Tacoma Intl - Lambert-St Louis), can usually be booked for $189.
Can I find deals for flights from Washington to St. Louis that include hotel bookings?
Yes. In addition to deals on Washington to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Washington to St. Louis?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington to St. Louis.
Can I find deals for business class flights from Washington to St. Louis?
Yes. Cheapflights offers flight deals from Washington 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.
What is the cheapest month to book a flight from State of Washington to St. Louis?
Currently, August is the cheapest month in which you can book a flight from State of Washington to St. Louis (average of $311). Flying from State of Washington to St. Louis in March is currently the most expensive (average of $356). 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.

See more FAQs

Fenton

Maryland Heights

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Collinsville

Wentzville

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Glencoe

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Farmington

Chesterfield

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Top 7 airlines flying from Washington to St. Louis

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$141	Average$243	FlexibilityNo cancel fee	On-time62%
American Airlines	Cheapest$186	Average$434	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$188	Average$391	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$216	Average$424	FlexibilityNo cancel fee	On-time69%
Southwest	Cheapest$216	Average$474	FlexibilityNo cancel fee	On-time63%
Alaska Airlines	Cheapest$236	Average$525	FlexibilityNo cancel fee	On-time75%
Hawaiian Airlines	Cheapest$237	Average$388	FlexibilityNo cancel fee	On-time85%

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$95+ Cheap flights from Washington to St. Louis (STL)

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 5/16. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheap flight deals from Washington to St. Louis

Keep the following information in mind while searching for Washington to St. Louis flight deals. Data was last updated April 17, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Washington to St. Louis

Cheapest flights from Washington to St. LouisExplore the most affordable flight options available from Washington to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 17, 2025.

Explore the most affordable flight options available from Washington to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 17, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington to St. Louis that are best for you.

Best time to book a flight from Washington to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Washington with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Washington to St. Louis

What is the cheapest month to book a flight from State of Washington to St. Louis?

What is the cheapest time of day to fly from WA to STL?

Find hourly flight availability from Washington 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 April 17, 2025.

Rainfall in St. Louis by month

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

Temperature in St. Louis by month

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

Reviews of airlines servicing St. Louis

Peruse reviews from past customers who have flown with Alaska Airlines, Southwest and Delta from Washington to St. Louis to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Washington 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?

How popular is this State of Washington to St. Louis flight route?

What are the cheapest airlines to fly from State of Washington to St. Louis one-way?

What are the most popular routes from State of Washington to St. Louis?

What are the most reliable airlines from State of Washington to St. Louis?

What are the cheapest flights from State of Washington to St. Louis?

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

How can I find direct flights from Washington to St. Louis?

Can I find deals for business class flights from Washington to St. Louis?

What is the cheapest month to book a flight from State of Washington to St. Louis?

Traveling to a place near Washington?

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Alternative routes for Washington to St. Louis

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Top 7 airlines flying from Washington to St. Louis

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Cheapest flights from Washington to St. Louis
Explore the most affordable flight options available from Washington to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 17, 2025.