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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 7/19. Fares are subject to change and may not be available on all flights or dates of travel.
MSP — IAD
Jul 7 — Jul 141
Mon 7/7
Mon 7/14
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 June or April, booked 39 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 July 2, 2025.

Round-trip from

$138
(Booking.com)

One-way from

$79
(FlightHub)

Popular in

December

Cheapest in

June

Average price

$229
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. 7% potential increase in price ($20 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 2, 2025.

This Booking.com deal was found by Cheapflights users on 6/30. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/228:24 amMSP - IAD
Nonstop2h 19mSun Country Air
Fri 7/258:20 pmIAD - MSP
Nonstop2h 38mSun Country Air
Deal found 6/30$138
This Priceline deal was found by Cheapflights users on 6/30. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/228:24 amMSP - IAD
Nonstop2h 19mMultiple Airlines
Sat 7/266:10 amIAD - MSP
1 stop9h 41mMultiple Airlines
Deal found 6/30$139
This Priceline deal was found by Cheapflights users on 6/30. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/49:31 pmMSP - IAD
1 stop10h 46mFrontier
Mon 9/810:12 amIAD - MSP
1 stop11h 24mFrontier
Deal found 6/30$145
This Delta deal was found by Cheapflights users on 6/30. 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.
Wed 8/67:30 amMSP - IAD
Nonstop2h 24mDelta
Tue 8/126:15 amIAD - MSP
Nonstop2h 42mDelta
Deal found 6/30$177
This Southwest deal was found by Cheapflights users on 6/30. 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.
Mon 8/44:05 pmMSP - IAD
1 stop6h 25mSouthwest
Thu 8/147:35 amIAD - MSP
1 stop7h 10mSouthwest
Deal found 6/30$197

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 July 2, 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 7/22

8:24 am-11:43 am

Nonstop2h 19m

Washington, D.C. Dulles Intl

Fri 7/25

8:20 pm-9:58 pm

Nonstop2h 38m

$138

MinneapolisWashington, D.C.

MSP - IAD

MSPIAD

Minneapolis St Paul

Tue 7/22

8:24 am-11:43 am

Nonstop2h 19m

Washington, D.C. Dulles Intl

Sat 7/26

6:10 am-2:51 pm

1 stop9h 41m

$139

MinneapolisWashington, D.C.

MSP - IAD

MSPIAD

Minneapolis St Paul

Thu 9/4

9:31 pm-9:17 am

1 stop10h 46m

Washington, D.C. Dulles Intl

Mon 9/8

10:12 am-8:36 pm

1 stop11h 24m

$145

MinneapolisWashington, D.C.

MSP - IAD

MSPIAD

Minneapolis St Paul

Wed 8/6

7:30 am-10:54 am

Nonstop2h 24m

Washington, D.C. Dulles Intl

Tue 8/12

6:15 am-7:57 am

Nonstop2h 42m

$177

MinneapolisWashington, D.C.

MSP - IAD

MSPIAD

Minneapolis St Paul

Mon 8/4

4:05 pm-11:30 pm

1 stop6h 25m

Washington, D.C. Dulles Intl

Thu 8/14

7:35 am-1:45 pm

1 stop7h 10m

$197

MinneapolisWashington, D.C.

MSP - IAD

MSPIAD

Minneapolis St Paul

Sat 7/19

8:24 am-11:43 am

Nonstop2h 19m

$79

MinneapolisWashington, D.C.

MSP - IAD

MSPIAD

Minneapolis St Paul

Sat 7/19

4:14 pm-11:19 pm

1 stop6h 05m

$82

MinneapolisWashington, D.C.

MSP - IAD

MSPIAD

Minneapolis St Paul

Wed 8/6

7:30 am-10:54 am

Nonstop2h 24m

$89

MinneapolisWashington, D.C.

MSP - IAD

MSPIAD

Minneapolis St Paul

Fri 9/12

7:24 am-4:10 pm

1 stop7h 46m

$92

MinneapolisWashington, D.C.

MSP - IAD

MSPIAD

Minneapolis St Paul

Thu 8/7

7:50 pm-9:23 am

1 stop12h 33m

$94

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/29

Showing 1-10 of 13 results
1
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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 June 27, 2025.

The best time to book flights from Saint Paul to Washington, D.C. Dulles Intl Airport is 39 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 July is currently the most expensive (average of $345). 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 July 2, 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 Saturday 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 July 2, 2025.

The most flights from SA1 to IAD are scheduled on a Tuesday (14 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (10 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 July 2, 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
4,272 reviews

Entertainment

7.6

Food

7.0

Overall

8.0

Boarding

8.2

Crew

8.6

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Southwest
8.0
Very good
4,272 reviews
Southwest
8.0
Very good
4,272 reviews

Entertainment

7.6

Food

7.0

Overall

8.0

Boarding

8.2

Crew

8.6

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Delta
8.0
Very good
7,983 reviews
Southwest
8.0
Very good
4,272 reviews

Entertainment

7.6

Food

7.0

Overall

8.0

Boarding

8.2

Crew

8.6

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
United Airlines
7.4
Good
8,861 reviews
Southwest
8.0
Very good
4,272 reviews

Entertainment

7.6

Food

7.0

Overall

8.0

Boarding

8.2

Crew

8.6

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,272 reviews

Entertainment

7.6

Food

7.0

Overall

8.0

Boarding

8.2

Crew

8.6

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Allegiant Air
7.2
Good
709 reviews
Southwest
8.0
Very good
4,272 reviews

Entertainment

7.6

Food

7.0

Overall

8.0

Boarding

8.2

Crew

8.6

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

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 $79 on Sun Country Air. Other airlines that offer cheap prices include Frontier from $82 and Delta from $89 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 Republic Airways (100%), United Airlines (92%) and Copa Airlines (86%).

  • 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 $874, our data indicates the cheapest price to be $79. The most popular route (Minneapolis St Paul - Washington, D.C. Dulles Intl), is priced around $138.

  • 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 July is currently the most expensive (average of $345). 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
Woodbridge
Alexandria
Tysons
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Linthicum Heights
Gaithersburg
Fairfax
Easton
Towson
Waldorf
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Rockville
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National Harbor
Manassas
Dundalk
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Top 4 airlines flying from Saint Paul to Dulles Intl

Discover the top 4 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 July 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
Sun Country AirCheapest$69Average$176FlexibilityNo cancel feeOn-time83%
DeltaCheapest$161Average$285FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$199Average$304FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$298Average$448FlexibilityNo cancel feeOn-time63%

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