HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Dulles Intl

$90+ Cheap flights from Saint Paul, MN to Dulles Intl (IAD)

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 4/30. Fares are subject to change and may not be available on all flights or dates of travel.
MSP — IAD
abr. 6 — abr. 131
dg. 4/6
dg. 4/13
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Saint Paul to Dulles Intl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Saint Paul to Washington, D.C. Dulles Intl are usually found in June or April, booked 51 days in advance, depart on a Thursday or Friday and return on a Thursday

Cheap flight deals from Saint Paul to Dulles Intl

Keep the following information in mind while searching for Saint Paul to Dulles Intl flight deals. Data was last updated abril 1, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$146
(Cheapflightsfares)

One-way from

$90
(United Airlines)

Popular in

December

Cheapest in

June

Average price

$209
Provider with most accurate pricing for Minneapolis St Paul-Washington, D.C. (WAS) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Minneapolis St Paul-Washington, D.C. (WAS) flights.
Search Deals
From Saint Paul to Washington, D.C. Dulles Intl
Search Deals
One-way flight from Saint Paul to Washington, D.C. Dulles Intl
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($21 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

Find flight deals from Saint Paul to Dulles Intl

Cheapest flights from Saint Paul to Dulles Intl
Explore the most affordable flight options available from Saint Paul to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on abril 1, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dj. 5/18:24 amMSP - IAD
Nonstop2h 23mSun Country Air
dg. 5/412:49 pmIAD - MSP
Nonstop2h 47mSun Country Air
Deal found 3/31$146
This United Airlines deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dt. 4/2911:50 amMSP - IAD
Nonstop2h 29mUnited Airlines
dt. 5/69:00 amIAD - MSP
Nonstop2h 47mUnited Airlines
Deal found 4/1$179
This Trip.com deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dg. 4/137:27 amMSP - IAD
Nonstop2h 23mMultiple Airlines
ds. 4/1912:48 pmIAD - MSP
1 stop25h 54mMultiple Airlines
Deal found 4/1$192
This Southwest deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dt. 4/296:30 amMSP - IAD
1 stop6h 35mSouthwest
dc. 5/72:50 pmIAD - MSP
1 stop8h 25mSouthwest
Deal found 3/31$199
This Delta deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dt. 5/132:30 pmMSP - IAD
Nonstop2h 33mDelta
dt. 5/206:25 amIAD - MSP
Nonstop2h 47mDelta
Deal found 3/31$206
This American Airlines deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ds. 5/245:34 pmMSP - IAD
1 stop5h 28mAmerican Airlines
dc. 5/285:02 amIAD - MSP
1 stop5h 01mAmerican Airlines
Deal found 4/1$257
This Gotogate deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dv. 4/42:42 pmMSP - IAD
1 stop20h 16mFrontier
dl. 4/75:54 pmIAD - MSP
1 stop20h 48mFrontier
Deal found 3/31$273

Cheapflights Fare Finder

Customize your flight search to find flights from Saint Paul to Dulles Intl 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 2,558,603 searches. Data last updated abril 1, 2025.
Use the filters below to find and compare flights from Saint Paul to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Saint Paul

Fly to

Dulles Intl

Route

Depart

Return

Price

MinneapolisWashington, D.C.

MSP - IAD

MSPIAD

Minneapolis St Paul

dj. 5/1

8:24 am-11:47 am

Nonstop2h 23m

Washington, D.C. Dulles Intl

dg. 5/4

12:49 pm-2:36 pm

Nonstop2h 47m

$146

MinneapolisWashington, D.C.

MSP - IAD

MSPIAD

Minneapolis St Paul

dt. 4/29

11:50 am-3:19 pm

Nonstop2h 29m

Washington, D.C. Dulles Intl

dt. 5/6

9:00 am-10:47 am

Nonstop2h 47m

$179

MinneapolisWashington, D.C.

MSP - IAD

MSPIAD

Minneapolis St Paul

dg. 4/13

7:27 am-10:50 am

Nonstop2h 23m

Washington, D.C. Dulles Intl

ds. 4/19

12:48 pm-1:42 pm

1 stop25h 54m

$192

MinneapolisWashington, D.C.

MSP - IAD

MSPIAD

Minneapolis St Paul

dt. 4/29

6:30 am-2:05 pm

1 stop6h 35m

Washington, D.C. Dulles Intl

dc. 5/7

2:50 pm-10:15 pm

1 stop8h 25m

$199

MinneapolisWashington, D.C.

MSP - IAD

MSPIAD

Minneapolis St Paul

dt. 5/13

2:30 pm-6:03 pm

Nonstop2h 33m

Washington, D.C. Dulles Intl

dt. 5/20

6:25 am-8:12 am

Nonstop2h 47m

$206

MinneapolisWashington, D.C.

MSP - IAD

MSPIAD

Minneapolis St Paul

ds. 5/24

5:34 pm-12:02 am

1 stop5h 28m

Washington, D.C. Dulles Intl

dc. 5/28

5:02 am-9:03 am

1 stop5h 01m

$257

MinneapolisWashington, D.C.

MSP - IAD

MSPIAD

Minneapolis St Paul

dv. 4/4

2:42 pm-11:58 am

1 stop20h 16m

Washington, D.C. Dulles Intl

dl. 4/7

5:54 pm-1:42 pm

1 stop20h 48m

$273

MinneapolisWashington, D.C.

MSP - IAD

MSPIAD

Minneapolis St Paul

dc. 4/30

11:50 am-3:19 pm

Nonstop2h 29m

$90

MinneapolisWashington, D.C.

MSP - IAD

MSPIAD

Minneapolis St Paul

dl. 6/2

8:34 am-2:23 pm

1 stop4h 49m

$94

MinneapolisWashington, D.C.

MSP - IAD

MSPIAD

Minneapolis St Paul

dj. 6/19

8:24 am-11:43 am

Nonstop2h 19m

$98

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

Showing 1-10 of 14 results
1
2

Best time to book a flight from Saint Paul to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Saint Paul 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 Saint Paul to Washington, D.C. Dulles Intl Airport

How far ahead should I book a flight from Saint Paul to Washington, D.C. Dulles Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from Saint Paul to Dulles Intl. Price data was last updated on March 28, 2025.

The best time to book flights from Saint Paul to Washington, D.C. Dulles Intl Airport is 51 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.

What is the cheapest month to book a flight from Saint Paul to Washington, D.C. Dulles Intl Airport?

Currently, August is the cheapest month in which you can book a flight from Saint Paul to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Saint Paul to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $383). 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 SA1 to IAD?

Find hourly flight availability from Saint Paul to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated abril 1, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Saint Paul to Washington, D.C. Dulles Intl Airport as you normally would.

What is the cheapest day to fly from Saint Paul to Washington, D.C. Dulles Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from Saint Paul to Dulles Intl. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Saint Paul to Washington, D.C. Dulles Intl Airport flight should consider departing on Monday afternoons when fares are most often at their lowest. Thursday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Saint Paul to Washington, D.C. Dulles Intl Airport

Explore weekly flight availability from Saint Paul to Dulles Intl. 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 abril 1, 2025.

The most flights from SA1 to IAD are scheduled on a Monday (14 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (4 on average).

Rainfall in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

Temperature in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, 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 35.6 F).

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. 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 Dulles Intl. Reviews last updated abril 1, 2025.
See what other customers who have flown with Southwest, Delta and United Airlines from Saint Paul to Washington, D.C. have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,277 reviews

Overall

8.0

Comfort

8.0

Boarding

8.2

Crew

8.7

Entertainment

7.6

Food

7.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.0
Very good
4,277 reviews
Southwest
8.0
Very good
4,277 reviews

Overall

8.0

Comfort

8.0

Boarding

8.2

Crew

8.7

Entertainment

7.6

Food

7.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Delta
8.0
Very good
7,898 reviews
Southwest
8.0
Very good
4,277 reviews

Overall

8.0

Comfort

8.0

Boarding

8.2

Crew

8.7

Entertainment

7.6

Food

7.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
United Airlines
7.4
Good
8,615 reviews
Southwest
8.0
Very good
4,277 reviews

Overall

8.0

Comfort

8.0

Boarding

8.2

Crew

8.7

Entertainment

7.6

Food

7.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Allegiant Air
7.3
Good
731 reviews
Southwest
8.0
Very good
4,277 reviews

Overall

8.0

Comfort

8.0

Boarding

8.2

Crew

8.7

Entertainment

7.6

Food

7.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,277 reviews

Overall

8.0

Comfort

8.0

Boarding

8.2

Crew

8.7

Entertainment

7.6

Food

7.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Related info for your journey

Find useful and relevant information for your journey from Saint Paul to Dulles Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    One-way options have recently been found by users for as low as $90 on United Airlines. Other airlines that offer cheap prices include Allegiant Air from $94 and Sun Country Air from $98 one-way.

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

    The top 3 most reliable airlines when flying from Saint Paul to Washington, D.C. Dulles Intl Airport are Air France (92%), SkyWest Airlines (90%) and Delta (90%).

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

    Looking for the cheapest flight from Saint Paul to Washington, D.C. Dulles Intl Airport? While on average our users pay $960, our data indicates the cheapest price to be $68. The most popular route (Minneapolis St Paul - Washington, D.C. Dulles Intl), is priced around $136.

  • Can I find deals for flights from Saint Paul to Dulles Intl that include hotel bookings?

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

  • How can I find direct flights from Saint Paul to Dulles Intl?

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

  • Can I find deals for business class flights from Saint Paul to Dulles Intl?

    Yes. Cheapflights offers flight deals from Saint Paul to Dulles Intl 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 Saint Paul to Washington, D.C. Dulles Intl Airport?

    Currently, August is the cheapest month in which you can book a flight from Saint Paul to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Saint Paul to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $383). 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

Traveling to a place near Saint Paul?

Book flights to Saint Paul if you plan to visit one of these locations
Arlington
Alexandria
Fairfax
Tysons
Springfield
Rockville
Fredericksburg
Woodbridge
Gaithersburg
Linthicum Heights
Silver Spring
Falls Church
Laurel
Easton
Herndon
Sterling
Bowie
Gettysburg
National Harbor
Oxon Hill

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 3 airlines flying from Saint Paul to Dulles Intl

Discover the top 3 airlines that operate flights from Saint Paul to Dulles Intl. 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 2,558,603 searches. Data last updated abril 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
Sun Country AirCheapest$78Average$177FlexibilityNo cancel feeOn-time83%
DeltaCheapest$167Average$315FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$198Average$308FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.