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Dulles Intl

$79+ 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 3/1. Fares are subject to change and may not be available on all flights or dates of travel.
MSP — IAD
Dec 21 — Dec 281
Sun 12/21
Sun 12/28
1 adult, Economy
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Cheapflights Tip: The best prices from Saint Paul to Washington, D.C. Dulles Intl are usually found in August or June, booked 41 days in advance, depart on a Friday or Thursday 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 November 21, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$197
(Frontier)

One-way from

$79
(Priceline)

Popular in

November

Cheapest in

August

Average price

$351
Provider with most accurate pricing for Minneapolis St Paul-Washington, D.C. (WAS) flight deals.
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Provider most trusted by Cheapflights users for Minneapolis St Paul-Washington, D.C. (WAS) flights.
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From Saint Paul to Washington, D.C. Dulles Intl
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One-way flight from Saint Paul to Washington, D.C. Dulles Intl
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Highest demand for flights based on searches. 18% potential increase in price ($58 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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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 November 21, 2025.

This Sun Country Air deal was found by Cheapflights users on 11/19. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/287:48 amMSP - IAD
Nonstop2h 35mSun Country Air
Mon 12/16:15 pmIAD - MSP
Nonstop2h 40mSun Country Air
Deal found 11/19$199
This Kiwi.com deal was found by Cheapflights users on 11/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/158:31 amMSP - IAD
2 stops52h 58mFrontier
Mon 12/297:06 pmIAD - MSP
1 stop16h 23mFrontier
Deal found 11/19$212
This Kiwi.com deal was found by Cheapflights users on 11/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1111:29 amMSP - IAD
1 stop10h 41mFrontier
Sun 12/145:45 amIAD - MSP
2 stops43h 17mFrontier
Deal found 11/20$226
This Delta deal was found by Cheapflights users on 11/20. 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.
Fri 12/122:30 pmMSP - IAD
Nonstop2h 42mDelta
Mon 12/156:03 amIAD - MSP
Nonstop3h 06mDelta
Deal found 11/20$229
This Frontier deal was found by Cheapflights users on 11/20. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/1411:29 amMSP - IAD
1 stop10h 36mFrontier
Sun 1/1811:00 amIAD - MSP
1 stop10h 37mFrontier
Deal found 11/20$232
This United Airlines deal was found by Cheapflights users on 11/20. 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.
Wed 12/245:18 pmMSP - IAD
1 stop5h 57mUnited Airlines
Tue 12/309:00 amIAD - MSP
Nonstop2h 55mUnited Airlines
Deal found 11/20$237
This United Airlines deal was found by Cheapflights users on 11/20. 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.
Sun 12/146:00 amMSP - IAD
1 stop4h 49mUnited Airlines
Sat 1/109:00 amIAD - MSP
Nonstop2h 56mUnited Airlines
Deal found 11/20$238
This United Airlines deal was found by Cheapflights users on 11/20. 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.
Thu 12/119:46 amMSP - IAD
1 stop6h 44mUnited Airlines
Sun 12/149:00 amIAD - MSP
Nonstop2h 47mUnited Airlines
Deal found 11/20$239
This Kiwi.com deal was found by Cheapflights users on 11/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/1411:29 amMSP - IAD
1 stop10h 36mFrontier
Fri 1/166:00 amIAD - MSP
2 stops15h 39mFrontier
Deal found 11/20$244
This Cheapflightsfares deal was found by Cheapflights users on 11/19. 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.
Wed 11/268:24 amMSP - IAD
Nonstop2h 30mSun Country Air
Mon 12/16:15 pmIAD - MSP
Nonstop2h 40mSun Country Air
Deal found 11/19$247

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 November 21, 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

Tue 3/10

10:15 am-1:55 pm

Nonstop2h 40m

Washington, D.C. Dulles Intl

Sun 3/15

6:15 am-8:15 am

Nonstop3h 00m

$228

MinneapolisWashington, D.C.

MSP - IAD

MSPIAD

Minneapolis St Paul

Thu 1/29

12:10 pm-3:47 pm

Nonstop2h 37m

Washington, D.C. Dulles Intl

Mon 2/2

9:00 am-10:56 am

Nonstop2h 56m

$229

MinneapolisWashington, D.C.

MSP - IAD

MSPIAD

Minneapolis St Paul

Sat 12/13

8:20 pm-12:02 am

Nonstop2h 42m

Washington, D.C. Dulles Intl

Wed 12/17

6:03 am-8:09 am

Nonstop3h 06m

$229

MinneapolisWashington, D.C.

MSP - IAD

MSPIAD

Minneapolis St Paul

Mon 12/15

8:20 pm-12:02 am

Nonstop2h 42m

Washington, D.C. Dulles Intl

Thu 1/15

7:00 am-9:10 am

Nonstop3h 10m

$229

MinneapolisWashington, D.C.

MSP - IAD

MSPIAD

Minneapolis St Paul

Thu 12/11

8:20 pm-12:02 am

Nonstop2h 42m

Washington, D.C. Dulles Intl

Sun 12/14

6:03 am-8:09 am

Nonstop3h 06m

$229

MinneapolisWashington, D.C.

MSP - IAD

MSPIAD

Minneapolis St Paul

Fri 2/27

8:19 pm-11:57 pm

Nonstop2h 38m

Washington, D.C. Dulles Intl

Sun 3/1

7:00 am-9:10 am

Nonstop3h 10m

$229

MinneapolisWashington, D.C.

MSP - IAD

MSPIAD

Minneapolis St Paul

Fri 12/12

8:20 pm-12:02 am

Nonstop2h 42m

Washington, D.C. Dulles Intl

Mon 12/15

6:56 pm-9:00 pm

Nonstop3h 04m

$229

MinneapolisWashington, D.C.

MSP - IAD

MSPIAD

Minneapolis St Paul

Wed 12/24

5:18 pm-12:15 am

1 stop5h 57m

Washington, D.C. Dulles Intl

Tue 12/30

9:00 am-10:55 am

Nonstop2h 55m

$237

MinneapolisWashington, D.C.

MSP - IAD

MSPIAD

Minneapolis St Paul

Wed 1/28

11:20 am-5:35 pm

1 stop5h 15m

Washington, D.C. Dulles Intl

Mon 2/2

9:00 am-10:56 am

Nonstop2h 56m

$238

MinneapolisWashington, D.C.

MSP - IAD

MSPIAD

Minneapolis St Paul

Fri 1/9

9:55 am-4:00 pm

1 stop5h 05m

Washington, D.C. Dulles Intl

Mon 1/12

9:00 am-10:56 am

Nonstop2h 56m

$239

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/18

Showing 1-10 of 23 results
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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 November 14, 2025.

The best time to book flights from Saint Paul to Washington, D.C. Dulles Intl Airport is 41 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, January is the cheapest month in which you can book a flight from Saint Paul to Washington, D.C. Dulles Intl Airport (average of $68). Flying from Saint Paul to Washington, D.C. Dulles Intl Airport in December is currently the most expensive (average of $229). 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 November 21, 2025.

One of the essential ways to save on airfare from Saint Paul to Washington, D.C. Dulles Intl Airport is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 70% on airfare.

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 Sunday afternoons when fares are most often at their lowest. Monday 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 November 21, 2025.

The most flights from SA1 to IAD are scheduled on a Thursday (17 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (6 on average).

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 November 21, 2025.
Peruse reviews from past customers who have flown with Southwest, Delta, and United Airlines from Saint Paul to Washington, D.C. Dulles Intl Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,251 reviews

Boarding

8.1

Food

7.0

Entertainment

7.5

Overall

8.0

Comfort

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,251 reviews
Southwest
8.0
Very good
4,251 reviews

Boarding

8.1

Food

7.0

Entertainment

7.5

Overall

8.0

Comfort

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
7.9
Good
8,002 reviews
Southwest
8.0
Very good
4,251 reviews

Boarding

8.1

Food

7.0

Entertainment

7.5

Overall

8.0

Comfort

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
9,028 reviews
Southwest
8.0
Very good
4,251 reviews

Boarding

8.1

Food

7.0

Entertainment

7.5

Overall

8.0

Comfort

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Sun Country Air
6.9
Okay
334 reviews
Southwest
8.0
Very good
4,251 reviews

Boarding

8.1

Food

7.0

Entertainment

7.5

Overall

8.0

Comfort

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Frontier
5.8
Fair
3,104 reviews
Southwest
8.0
Very good
4,251 reviews

Boarding

8.1

Food

7.0

Entertainment

7.5

Overall

8.0

Comfort

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

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.

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

    Departing from Saint Paul to Washington, D.C. Dulles Intl Airport will take you 2h 37m. Saint Paul and Washington, D.C. Dulles Intl Airport are separated by a distance of 905 mi. Most flights are nonstop.

  • 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 Scandinavian Airlines (99%), Sun Country Air (97%) and WestJet (95%).

  • 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 $323, our data indicates the cheapest price to be $79. The most popular route (Minneapolis St Paul - Washington, D.C. Dulles Intl), is priced around $168.

  • 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, January is the cheapest month in which you can book a flight from Saint Paul to Washington, D.C. Dulles Intl Airport (average of $68). Flying from Saint Paul to Washington, D.C. Dulles Intl Airport in December is currently the most expensive (average of $229). 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 Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Alexandria
Tysons
Woodbridge
Arlington
Owings Mills
Springfield
Hanover
Silver Spring
Fairfax
Fredericksburg
Falls Church
Linthicum Heights
Manassas
Laurel
Towson
National Harbor
Waldorf
Bowie
Largo
McLean

Browse thousands of different options on Cheapflights for your next trip

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Top 5 airlines flying from Saint Paul to Dulles Intl

Discover the top 5 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 November 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
Sun Country AirCheapest$72Average$175FlexibilityNo cancel feeOn-time83%
FrontierCheapest$115Average$248FlexibilityNo cancel feeOn-time62%
DeltaCheapest$150Average$292FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$199Average$287FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$368Average$448FlexibilityNo cancel feeOn-time63%

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