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Dulles Intl

$178+ 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 5/8. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — IAD
May 5 — May 121
Mon 5/5
Mon 5/12
1 adult, Economy
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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 April 30, 2025.

Round-trip from

$179
(United Airlines)

One-way from

$178
(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 April 30, 2025.

This United Airlines deal was found by Cheapflights users on 4/28. 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 6/187:59 pmPHL - IAD
Nonstop1h 10mUnited Airlines
Wed 6/2512:55 pmIAD - PHL
Nonstop1h 14mUnited Airlines
Deal found 4/28$179
This Mytrip deal was found by Cheapflights users on 4/28. 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.
Fri 5/304:00 pmPHL - IAD
1 stop22h 44mMultiple Airlines
Sat 6/79:43 pmIAD - PHL
2 stops34h 05mMultiple Airlines
Deal found 4/28$269
This American Airlines deal was found by Cheapflights users on 4/29. 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.
Tue 5/61:44 pmPHL - IAD
1 stop5h 48mAmerican Airlines
Mon 5/265:02 amIAD - PHL
1 stop6h 34mAmerican Airlines
Deal found 4/29$289
This Alaska Airlines deal was found by Cheapflights users on 4/28. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/296:53 pmPHL - IAD
1 stop12h 50mAlaska Airlines
Tue 5/610:00 amIAD - PHL
1 stop19h 44mAlaska Airlines
Deal found 4/28$1,441

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 April 30, 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 6/18

7:59 pm-9:09 pm

Nonstop1h 10m

Washington, D.C. Dulles Intl

Wed 6/25

12:55 pm-2:09 pm

Nonstop1h 14m

$179

PhiladelphiaWashington, D.C.

PHL - IAD

PHLIAD

Philadelphia

Fri 5/30

4:00 pm-2:44 pm

1 stop22h 44m

Washington, D.C. Dulles Intl

Sat 6/7

9:43 pm-7:48 am

2 stops34h 05m

$269

PhiladelphiaWashington, D.C.

PHL - IAD

PHLIAD

Philadelphia

Wed 6/18

6:08 am-12:38 pm

1 stop6h 30m

Washington, D.C. Dulles Intl

Wed 6/25

6:55 am-10:38 am

1 stop3h 43m

$289

PhiladelphiaWashington, D.C.

PHL - IAD

PHLIAD

Philadelphia

Thu 5/8

5:45 am-8:57 pm

2 stops39h 12m

$178

PhiladelphiaWashington, D.C.

PHL - IAD

PHLIAD

Philadelphia

Thu 8/7

12:11 pm-12:31 pm

1 stop24h 20m

$192

PhiladelphiaWashington, D.C.

PHL - IAD

PHLIAD

Philadelphia

Thu 6/12

3:35 pm-7:44 pm

1 stop4h 09m

$214

PhiladelphiaWashington, D.C.

PHL - IAD

PHLIAD

Philadelphia

Sun 5/25

6:30 am-12:30 am

1 stop18h 00m

$231

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

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 April 30, 2025.
Alaska Airlines
8.0
Very good
9,968 reviews

Entertainment

7.1

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
9,968 reviews
Alaska Airlines
8.0
Very good
9,968 reviews

Entertainment

7.1

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,696 reviews
Alaska Airlines
8.0
Very good
9,968 reviews

Entertainment

7.1

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,968 reviews

Entertainment

7.1

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Sun Country Air
6.9
Okay
346 reviews
Alaska Airlines
8.0
Very good
9,968 reviews

Entertainment

7.1

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 Sun Country Air, with whom users have recently found tickets for as low as $192. However, be on the lookout for offers from American Airlines 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 June is currently the most expensive (average of $373). 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
Alexandria
Arlington
Woodbridge
Tysons
Fairfax
Springfield
Rockville
Fredericksburg
Silver Spring
Gaithersburg
Linthicum Heights
Falls Church
Laurel
Easton
Towson
Herndon
Sterling
Bowie
National Harbor
Oxon Hill

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Alternative routes for Maryland to Dulles Intl

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