HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Dulles Intl

$78+ 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 8/29. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — IAD
Aug 9 — Aug 161
Sun 8/9
Sun 8/16
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

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 July 10, 2026.

This Kiwi.com deal was found by Cheapflights users on 7/7. 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.
Wed 8/54:30 pm
PHL
-
IAD
1 stop6h 22m
Frontier
Wed 8/127:48 am
IAD
-
PHL
1 stop14h 40m
Frontier
Deal found 7/7$152
This Kiwi.com deal was found by Cheapflights users on 7/9. 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 8/64:30 pm
PHL
-
IAD
1 stop6h 22m
Frontier
Mon 8/108:33 pm
IAD
-
PHL
1 stop10h 42m
Frontier
Deal found 7/9$159
This Kiwi.com deal was found by Cheapflights users on 7/7. 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.
Tue 8/48:30 am
PHL
-
IAD
1 stop14h 22m
Frontier
Tue 8/117:48 am
IAD
-
PHL
1 stop14h 40m
Frontier
Deal found 7/7$168
This Kiwi.com deal was found by Cheapflights users on 7/8. 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 8/74:40 pm
PHL
-
IAD
1 stop23h 54m
Frontier
Sat 8/158:33 pm
IAD
-
PHL
1 stop10h 42m
Frontier
Deal found 7/8$175
This Kiwi.com deal was found by Cheapflights users on 7/7. 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 8/214:45 pm
PHL
-
IAD
1 stop24h 29m
Frontier
Fri 8/288:39 pm
IAD
-
PHL
1 stop10h 36m
Frontier
Deal found 7/7$186
This Kiwi.com deal was found by Cheapflights users on 7/7. 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 8/64:30 pm
PHL
-
IAD
1 stop6h 22m
Frontier
Thu 8/138:33 pm
IAD
-
PHL
1 stop10h 42m
Frontier
Deal found 7/7$193
This Kiwi.com deal was found by Cheapflights users on 7/9. 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 8/66:25 am
PHL
-
IAD
1 stop10h 15m
Multiple Airlines
Mon 8/1012:00 pm
IAD
-
PHL
2 stops11h 29m
Multiple Airlines
Deal found 7/9$205
This Kiwi.com deal was found by Cheapflights users on 7/8. 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 8/144:40 pm
PHL
-
IAD
1 stop6h 12m
Frontier
Sun 8/167:48 am
IAD
-
PHL
1 stop23h 27m
Frontier
Deal found 7/8$209
This Kiwi.com deal was found by Cheapflights users on 7/9. 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 8/236:30 am
PHL
-
IAD
1 stop10h 44m
Frontier
Sun 8/308:39 pm
IAD
-
PHL
1 stop10h 36m
Frontier
Deal found 7/9$211

Find 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 July 10, 2026.

Round-trip from

$152
(Kiwi.com)

One-way from

$78
(Kiwi.com)
From Maryland to Washington, D.C. Dulles Intl
Search Deals
One-way flight from Maryland to Washington, D.C. Dulles Intl
Search Deals

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 July 10, 2026.
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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PhiladelphiaWashington, D.C.

PHL - IAD

PHLIAD

Philadelphia

Tue 8/4

8:30 am-4:40 pm

1 stop8h 10m

Washington, D.C. Dulles Intl

Tue 8/11

8:33 pm-7:15 am

1 stop10h 42m

$229

PhiladelphiaWashington, D.C.

PHL - IAD

PHLIAD

Philadelphia

Fri 8/21

7:40 pm-8:59 pm

Nonstop1h 19m

Washington, D.C. Dulles Intl

Fri 8/28

8:30 am-9:43 am

Nonstop1h 13m

$239
Quickest round-trip

PhiladelphiaWashington, D.C.

PHL - IAD

PHLIAD

Philadelphia

Mon 11/2

6:00 am-7:08 am

Nonstop1h 08m

Washington, D.C. Dulles Intl

Mon 11/9

10:10 pm-11:20 pm

Nonstop1h 10m

$239

PhiladelphiaWashington, D.C.

PHL - IAD

PHLIAD

Philadelphia

Tue 8/4

10:39 am-11:55 am

Nonstop1h 16m

Washington, D.C. Dulles Intl

Tue 8/11

8:30 am-9:43 am

Nonstop1h 13m

$239

PhiladelphiaWashington, D.C.

PHL - IAD

PHLIAD

Philadelphia

Thu 9/24

6:15 am-7:31 am

Nonstop1h 16m

Washington, D.C. Dulles Intl

Sat 10/3

8:30 am-9:42 am

Nonstop1h 12m

$239

PhiladelphiaWashington, D.C.

PHL - IAD

PHLIAD

Philadelphia

Thu 8/6

10:39 am-11:55 am

Nonstop1h 16m

Washington, D.C. Dulles Intl

Thu 8/13

8:30 am-9:43 am

Nonstop1h 13m

$239

PhiladelphiaWashington, D.C.

PHL - IAD

PHLIAD

Philadelphia

Fri 9/4

10:30 am-11:39 am

Nonstop1h 09m

Washington, D.C. Dulles Intl

Sun 9/6

5:36 pm-6:54 pm

Nonstop1h 18m

$254

PhiladelphiaWashington, D.C.

PHL - IAD

PHLIAD

Philadelphia

Thu 8/6

8:35 am-12:48 pm

1 stop4h 13m

Washington, D.C. Dulles Intl

Thu 8/13

6:17 am-9:56 am

1 stop3h 39m

$259

PhiladelphiaWashington, D.C.

PHL - IAD

PHLIAD

Philadelphia

Wed 8/5

10:39 am-11:55 am

Nonstop1h 16m

Washington, D.C. Dulles Intl

Sat 8/8

10:10 pm-11:20 pm

Nonstop1h 10m

$309
Cheapest one-way

PhiladelphiaWashington, D.C.

PHL - IAD

PHLIAD

Philadelphia

Mon 11/9

12:43 pm-5:36 pm

1 stop28h 53m

$176

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/7

Showing 1-10 of 21 resultsSorted by cheapest first
1
2
3

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
No data available for this route at this time. Please check back soon.

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.

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

    Airlines like Frontier and United Airlines fly from Maryland to Washington, D.C. Dulles Intl Airport in about 1h 19m. The time it takes to get you to your destination can typically vary by up to 6h 51m. There are 134 mi between Maryland and Washington, D.C. Dulles Intl Airport. This flight may include one or multiple stops.

  • 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.

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
Arlington
Tysons
Owings Mills
Springfield
Lanham
Reston
Herndon
Rockville
Hyattsville
Manassas
Falls Church
Fredericksburg
Hanover
Chantilly
Laurel
Sterling
Silver Spring
Clinton
Hunt Valley

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
Dallas/Fort Worth to Dulles Intl flights
Dallas/Fort Worth to Reagan-National flights
Los Angeles to Reagan-National flights
Atlanta to Dulles Intl flights
Hobby to Baltimore flights
Los Angeles to Dulles Intl flights
Boston to Baltimore flights
Atlanta to Baltimore flights
Seattle to Dulles Intl flights
Los Angeles to Baltimore flights
Boston to Reagan-National flights
O'Hare Intl to Reagan-National flights
Boston to Dulles Intl flights
Seattle to Reagan-National flights
Atlanta to Reagan-National flights
San Francisco to Dulles Intl flights
O'Hare Intl to Dulles Intl flights
O'Hare Intl to Baltimore flights
Fort Lauderdale to Baltimore flights
Hobby to Reagan-National flights
Orlando to Dulles Intl flights
Denver to Dulles Intl flights
George Bush Intcntl to Baltimore flights
San Francisco to Reagan-National flights
Hobby to Dulles Intl flights
San Francisco to Baltimore flights
Tampa to Dulles Intl flights
Seattle to Baltimore flights
Orlando to Reagan-National flights
George Bush Intcntl to Reagan-National flights
George Bush Intcntl to Dulles Intl flights
Minneapolis to Baltimore flights
Minneapolis to Reagan-National flights
Denver to Baltimore flights
Detroit to Baltimore flights
Orlando to Baltimore flights
Tampa to Baltimore flights
Ontario to Dulles Intl flights
Denver to Reagan-National flights
Tampa to Reagan-National flights
Detroit to Reagan-National flights
John F Kennedy Intl to Reagan-National flights
John F Kennedy Intl to Dulles Intl flights
Ontario to Reagan-National flights
Detroit to Dulles Intl flights
Miami to Reagan-National flights
Minneapolis to Dulles Intl flights
Charlotte to Dulles Intl flights
Ontario to Baltimore 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.
Site
©2026 Cheapflights