HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Dulles Intl

$148+ Cheap flights from Maryland 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.
BWI — IAD
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Maryland 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.

Cheap flight deals from Maryland to Dulles Intl

Keep the following information in mind while searching for Maryland to Dulles Intl flight deals. Data was last updated June 12, 2025.

Round-trip from

$179
(United Airlines)

One-way from

$157
(Mytrip)
From Maryland to Washington, D.C. Dulles Intl
Search Deals
One-way flight from Maryland to Washington, D.C. Dulles Intl
Search Deals

Find flight deals from Maryland to Dulles Intl

Cheapest flights from Maryland to Dulles Intl
Explore the most affordable flight options available from Maryland to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This United Airlines deal was found by Cheapflights users on 6/11. 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 7/27:59 pmPHL - IAD
Nonstop1h 09mUnited Airlines
Sun 7/610:05 pmIAD - PHL
Nonstop1h 09mUnited Airlines
Deal found 6/11$179
This KAYAK deal was found by Cheapflights users on 6/11. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/155:30 amPHL - IAD
1 stop8h 19mFrontier
Sun 8/174:23 pmIAD - PHL
1 stop8h 12mFrontier
Deal found 6/11$254
This American Airlines deal was found by Cheapflights users on 6/11. 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.
Fri 6/133:35 pmPHL - IAD
1 stop4h 09mAmerican Airlines
Sun 6/156:55 amIAD - PHL
1 stop3h 43mAmerican Airlines
Deal found 6/11$319
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/206:00 amPHL - IAD
2 stops27h 23mMultiple Airlines
Wed 7/2312:40 pmIAD - PHL
1 stop21h 28mMultiple Airlines
Deal found 6/10$341

Cheapflights Fare Finder

Customize your flight search to find flights from Maryland 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 June 12, 2025.
Use the filters below to find and compare flights from Maryland to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Maryland

Fly to

Dulles Intl

Route

Depart

Return

Price

PhiladelphiaWashington, D.C.

PHL - IAD

PHLIAD

Philadelphia

Wed 7/2

7:59 pm-9:08 pm

Nonstop1h 09m

Washington, D.C. Dulles Intl

Sun 7/6

10:05 pm-11:14 pm

Nonstop1h 09m

$179

PhiladelphiaWashington, D.C.

PHL - IAD

PHLIAD

Philadelphia

Sat 8/9

8:10 am-5:17 pm

1 stop9h 07m

Washington, D.C. Dulles Intl

Sat 8/16

4:17 pm-11:04 am

1 stop18h 47m

$249

PhiladelphiaWashington, D.C.

PHL - IAD

PHLIAD

Philadelphia

Sun 7/27

7:05 pm-2:23 pm

2 stops19h 18m

Washington, D.C. Dulles Intl

Sun 8/3

11:58 am-4:16 pm

2 stops28h 18m

$299

PhiladelphiaWashington, D.C.

PHL - IAD

PHLIAD

Philadelphia

Wed 10/22

10:34 am-4:00 pm

1 stop5h 26m

Washington, D.C. Dulles Intl

Wed 10/22

8:09 pm-12:37 am

1 stop4h 28m

$427

PhiladelphiaWashington, D.C.

PHL - IAD

PHLIAD

Philadelphia

Sat 7/19

6:13 am-8:53 pm

2 stops14h 40m

$148

PhiladelphiaWashington, D.C.

PHL - IAD

PHLIAD

Philadelphia

Sun 7/20

7:00 am-11:43 am

1 stop28h 43m

$176

PhiladelphiaWashington, D.C.

PHL - IAD

PHLIAD

Philadelphia

Mon 7/21

6:05 am-7:15 am

Nonstop1h 10m

$204

PhiladelphiaWashington, D.C.

PHL - IAD

PHLIAD

Philadelphia

Mon 7/21

6:35 pm-11:58 pm

1 stop5h 23m

$214

PhiladelphiaWashington, D.C.

PHL - IAD

PHLIAD

Philadelphia

Sun 7/20

10:29 pm-12:42 pm

1 stop14h 13m

$225

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Best time to book a flight from Maryland to Dulles Intl

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

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 June 12, 2025.
See what other customers who have flown with Delta, United Airlines and American Airlines from Maryland to Washington, D.C. have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Sun Country Air
6.9
Okay
345 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Frontier
5.9
Fair
3,295 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Maryland 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 Maryland to Washington, D.C. Dulles Intl Airport one-way?

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $173. However, be on the lookout for offers from Sun Country Air and United Airlines, as they are both options that can get you from Maryland to Washington, D.C. Dulles Intl Airport for a low price.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Maryland to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Maryland to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of $349). 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 Maryland?

Book flights to Maryland if you plan to visit one of these locations
Arlington
Alexandria
Woodbridge
Tysons
Silver Spring
Linthicum Heights
Fredericksburg
Gaithersburg
Fairfax
Falls Church
Easton
Herndon
Towson
Sterling
Bowie
Rockville
Reston
National Harbor
Springfield
Manassas

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.

Alternative routes for Maryland to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.
Dallas/Fort Worth to Baltimore flights
Los Angeles to Reagan-National flights
Los Angeles to Dulles Intl flights
Boston to Reagan-National flights
Dallas/Fort Worth to Reagan-National flights
Boston to Baltimore flights
San Francisco to Dulles Intl flights
Los Angeles to Baltimore flights
Dallas/Fort Worth to Dulles Intl flights
Atlanta to Dulles Intl flights
Seattle to Dulles Intl flights
O'Hare Intl to Dulles Intl flights
O'Hare Intl to Reagan-National flights
Boston to Dulles Intl flights
San Francisco to Reagan-National flights
Atlanta to Reagan-National flights
Hobby to Baltimore flights
San Francisco to Baltimore flights
Seattle to Baltimore flights
Seattle to Reagan-National flights
Denver to Baltimore flights
Atlanta to Baltimore flights
Hobby to Reagan-National flights
O'Hare Intl to Baltimore flights
Hobby to Dulles Intl flights
Orlando to Reagan-National flights
Orlando to Baltimore flights
Denver to Reagan-National flights
Ontario to Dulles Intl flights
Denver to Dulles Intl flights
George Bush Intcntl to Baltimore flights
Tampa to Baltimore flights
George Bush Intcntl to Dulles Intl flights
Orlando to Dulles Intl flights
San Diego to Dulles Intl flights
Tampa to Dulles Intl flights
Minneapolis to Dulles Intl flights
Midway to Dulles Intl flights
Fort Lauderdale to Baltimore flights
George Bush Intcntl to Reagan-National flights
Detroit to Reagan-National flights
Fort Lauderdale to Dulles Intl flights
John F Kennedy Intl to Reagan-National flights
Miami to Dulles Intl flights
Burbank to Baltimore flights
Miami to Reagan-National flights
Miami to Baltimore flights
Detroit to Baltimore flights
Minneapolis to Baltimore flights
Newark to Dulles Intl flights

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.