HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Dulles Intl

$89+ 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 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
MSP — IAD
Oct 14 — Oct 211
Tue 10/14
Tue 10/21
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 August or June, booked 78 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 September 14, 2025.

Round-trip from

$145
(Booking.com)

One-way from

$89
(Trip.com)

Popular in

December

Cheapest in

August

Average price

$261
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. 10% potential increase in price ($30 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 September 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 September 14, 2025.

This Booking.com deal was found by Cheapflights users on 9/14. 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.
Fri 10/109:49 pmMSP - IAD
1 stop13h 10mFrontier
Sun 10/126:15 amIAD - MSP
1 stop10h 38mFrontier
Deal found 9/14$145
This Kiwi.com deal was found by Cheapflights users on 9/12. 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.
Fri 10/175:43 pmMSP - IAD
1 stop20h 43mFrontier
Thu 10/236:15 amIAD - MSP
1 stop10h 38mFrontier
Deal found 9/12$148
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 10/69:40 amMSP - IAD
1 stop12h 36mFrontier
Sun 10/126:15 amIAD - MSP
1 stop10h 38mFrontier
Deal found 9/13$150
This FlightHub deal was found by Cheapflights users on 9/12. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/182:00 pmMSP - IAD
Nonstop2h 20mMultiple Airlines
Fri 10/316:00 amIAD - MSP
1 stop5h 34mMultiple Airlines
Deal found 9/12$151
This Priceline deal was found by Cheapflights users on 9/13. 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.
Sun 10/58:30 amMSP - IAD
Nonstop2h 20mMultiple Airlines
Sun 10/126:15 amIAD - MSP
1 stop10h 38mMultiple Airlines
Deal found 9/13$152
This Frontier deal was found by Cheapflights users on 9/12. 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.
Thu 10/212:25 pmMSP - IAD
1 stop10h 14mFrontier
Sun 10/56:10 amIAD - MSP
1 stop6h 20mFrontier
Deal found 9/12$153
This Frontier deal was found by Cheapflights users on 9/12. 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.
Fri 9/199:31 pmMSP - IAD
1 stop13h 31mFrontier
Mon 9/2210:17 amIAD - MSP
1 stop11h 19mFrontier
Deal found 9/12$154
This Priceline deal was found by Cheapflights users on 9/12. 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.
Fri 10/248:00 amMSP - IAD
Nonstop2h 20mMultiple Airlines
Fri 10/316:00 amIAD - MSP
1 stop5h 34mMultiple Airlines
Deal found 9/12$156
This Cheapflightsfares deal was found by Cheapflights users on 9/12. 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.
Sun 10/58:30 amMSP - IAD
Nonstop2h 20mSun Country Air
Sun 10/1212:46 pmIAD - MSP
Nonstop2h 38mSun Country Air
Deal found 9/12$157
This Booking.com deal was found by Cheapflights users on 9/12. 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.
Sat 10/182:00 pmMSP - IAD
Nonstop2h 20mSun Country Air
Sun 10/2612:46 pmIAD - MSP
Nonstop2h 38mSun Country Air
Deal found 9/12$158
This Trip.com deal was found by Cheapflights users on 9/12. 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.
Fri 9/199:00 amMSP - IAD
Nonstop2h 23mMultiple Airlines
Sun 9/216:10 amIAD - MSP
1 stop6h 20mMultiple Airlines
Deal found 9/12$161
This Priceline deal was found by Cheapflights users on 9/12. 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 10/29:31 pmMSP - IAD
1 stop10h 46mMultiple Airlines
Sun 10/512:52 pmIAD - MSP
Nonstop2h 38mMultiple Airlines
Deal found 9/12$162

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 September 14, 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

Sat 11/1

8:10 pm-11:39 pm

Nonstop2h 29m

Washington, D.C. Dulles Intl

Mon 11/3

6:18 am-8:04 am

Nonstop2h 46m

$181

MinneapolisWashington, D.C.

MSP - IAD

MSPIAD

Minneapolis St Paul

Mon 10/27

8:10 pm-11:40 pm

Nonstop2h 30m

Washington, D.C. Dulles Intl

Sun 11/2

5:18 am-7:04 am

Nonstop2h 46m

$207

MinneapolisWashington, D.C.

MSP - IAD

MSPIAD

Minneapolis St Paul

Sat 10/4

12:57 pm-4:30 pm

Nonstop2h 33m

Washington, D.C. Dulles Intl

Tue 10/7

9:00 am-10:41 am

Nonstop2h 41m

$223

MinneapolisWashington, D.C.

MSP - IAD

MSPIAD

Minneapolis St Paul

Sat 10/4

12:57 pm-4:30 pm

Nonstop2h 33m

Washington, D.C. Dulles Intl

Wed 10/8

9:00 am-10:41 am

Nonstop2h 41m

$223

MinneapolisWashington, D.C.

MSP - IAD

MSPIAD

Minneapolis St Paul

Sat 1/31

3:20 pm-7:00 pm

Nonstop2h 40m

Washington, D.C. Dulles Intl

Wed 2/4

6:15 am-8:15 am

Nonstop3h 00m

$227

MinneapolisWashington, D.C.

MSP - IAD

MSPIAD

Minneapolis St Paul

Fri 10/24

8:10 pm-11:40 pm

Nonstop2h 30m

Washington, D.C. Dulles Intl

Tue 10/28

6:18 am-8:05 am

Nonstop2h 47m

$228

MinneapolisWashington, D.C.

MSP - IAD

MSPIAD

Minneapolis St Paul

Fri 10/31

8:10 pm-11:39 pm

Nonstop2h 29m

Washington, D.C. Dulles Intl

Mon 11/3

6:18 am-8:04 am

Nonstop2h 46m

$228

MinneapolisWashington, D.C.

MSP - IAD

MSPIAD

Minneapolis St Paul

Wed 10/22

8:10 pm-11:40 pm

Nonstop2h 30m

Washington, D.C. Dulles Intl

Tue 10/28

6:18 am-8:05 am

Nonstop2h 47m

$234

MinneapolisWashington, D.C.

MSP - IAD

MSPIAD

Minneapolis St Paul

Wed 11/5

8:10 pm-11:39 pm

Nonstop2h 29m

Washington, D.C. Dulles Intl

Sun 11/9

6:03 am-8:02 am

Nonstop2h 59m

$238

MinneapolisWashington, D.C.

MSP - IAD

MSPIAD

Minneapolis St Paul

Thu 10/30

8:10 pm-11:39 pm

Nonstop2h 29m

Washington, D.C. Dulles Intl

Mon 11/3

6:18 am-8:04 am

Nonstop2h 46m

$240

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Showing 1-10 of 22 results
1
2
3

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 September 12, 2025.

The best time to book flights from Saint Paul to Washington, D.C. Dulles Intl Airport is 78 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 $292). Flying from Saint Paul to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). 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 September 14, 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 September 14, 2025.

The most flights from SA1 to IAD are scheduled on a Monday (16 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (12 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 September 14, 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
4,245 reviews

Boarding

8.1

Food

7.0

Overall

8.0

Crew

8.6

Comfort

8.0

Entertainment

7.5

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
4,245 reviews
Southwest
8.0
Very good
4,245 reviews

Boarding

8.1

Food

7.0

Overall

8.0

Crew

8.6

Comfort

8.0

Entertainment

7.5

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
8.0
Very good
7,956 reviews
Southwest
8.0
Very good
4,245 reviews

Boarding

8.1

Food

7.0

Overall

8.0

Crew

8.6

Comfort

8.0

Entertainment

7.5

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
8,931 reviews
Southwest
8.0
Very good
4,245 reviews

Boarding

8.1

Food

7.0

Overall

8.0

Crew

8.6

Comfort

8.0

Entertainment

7.5

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
330 reviews
Southwest
8.0
Very good
4,245 reviews

Boarding

8.1

Food

7.0

Overall

8.0

Crew

8.6

Comfort

8.0

Entertainment

7.5

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 29m. 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 Sun Country Air (96%), United Airlines (89%) and Korean Air (81%).

  • 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 $848, our data indicates the cheapest price to be $89. The most popular route (Minneapolis St Paul - Washington, D.C. Dulles Intl), is priced around $157.

  • 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 $292). Flying from Saint Paul to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). 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
Woodbridge
Alexandria
Arlington
Tysons
Silver Spring
Springfield
Gaithersburg
Fredericksburg
Linthicum Heights
Fairfax
Falls Church
Owings Mills
Manassas
Rockville
Hanover
Oxon Hill
Laurel
Towson
Dundalk
National Harbor

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 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 September 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
Sun Country AirCheapest$69Average$176FlexibilityNo cancel feeOn-time83%
DeltaCheapest$155Average$289FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$199Average$289FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$298Average$448FlexibilityNo cancel feeOn-time63%

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.
Site
©2025 Cheapflights