$64+ Cheap flights from Maryland to Dulles Intl (IAD)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/17. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — IAD
Oct 5 — Oct 121
Round-trip
1 adult, Economy
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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
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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
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Best
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One-way
Cheapest flights from Maryland to Dulles IntlExplore 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 September 5, 2026.
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 September 5, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/1. 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 9/295:32 pm -
1 stop6h 38m
Tue 10/69:04 pm -
1 stop10h 12m
Deal found 9/1![Frontier logo]()
$127
This Kiwi.com deal was found by Cheapflights users on 9/3. 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 10/215:22 pm -
1 stop6h 59m
Sat 10/247:50 am -
1 stop10h 25m
Deal found 9/3![Frontier logo]()
$130
This Kiwi.com deal was found by Cheapflights users on 9/3. 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 10/198:30 am -
1 stop8h 43m
Sat 10/247:50 am -
1 stop10h 25m
Deal found 9/3![Frontier logo]()
$131
This Kiwi.com deal was found by Cheapflights users on 9/4. 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 10/205:22 pm -
1 stop6h 59m
Fri 10/239:06 pm -
1 stop10h 15m
Deal found 9/4![Frontier logo]()
$142
This Kiwi.com deal was found by Cheapflights users on 9/4. 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 10/285:22 pm -
1 stop6h 21m
Fri 10/309:06 pm -
1 stop10h 15m
Deal found 9/4![Frontier logo]()
$143
This Kiwi.com deal was found by Cheapflights users on 9/4. 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 10/15:32 pm -
1 stop6h 38m
Mon 10/59:04 pm -
1 stop10h 12m
Deal found 9/4![Frontier logo]()
$163
This Kiwi.com deal was found by Cheapflights users on 9/3. 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 10/226:03 pm -
1 stop6h 18m
Sat 10/247:50 am -
1 stop15h 21m
Deal found 9/3![Frontier logo]()
$167
This Kiwi.com deal was found by Cheapflights users on 9/4. 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 9/235:32 pm -
1 stop23h 46m
Wed 9/307:50 am -
1 stop10h 24m
Deal found 9/4![Frontier logo]()
$170
Best flights from Maryland to Dulles IntlDiscover carefully curated flight deals from Maryland to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 5, 2026.
Discover carefully curated flight deals from Maryland to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 5, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/31. 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 9/295:32 pm -
1 stop6h 38m
Tue 10/67:50 am -
1 stop10h 24m
Deal found 8/31![Frontier logo]()
$197
This Kiwi.com deal was found by Cheapflights users on 8/31. 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 9/285:15 am -
2 stops12h 41m
Mon 10/59:04 pm -
1 stop10h 12m
Deal found 8/31![Multiple Airlines logo]()
$259
This United Airlines deal was found by Cheapflights users on 9/1. 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.
Fri 10/237:30 pm -
Nonstop1h 19m
Mon 10/268:36 am -
Nonstop1h 13m
Deal found 9/1![United Airlines logo]()
$269
This Frontier deal was found by Cheapflights users on 9/4. 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 10/15:32 pm -
1 stop6h 38m
Sun 10/49:04 pm -
1 stop10h 12m
Deal found 9/4![Frontier logo]()
$260
This United Airlines deal was found by Cheapflights users on 9/2. 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.
Sat 11/286:00 am -
Nonstop1h 13m
Sat 12/51:00 pm -
Nonstop1h 06m
Deal found 9/2![United Airlines logo]()
$269
This United Airlines deal was found by Cheapflights users on 9/4. 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.
Thu 10/16:15 am -
Nonstop1h 16m
Sun 10/48:30 am -
Nonstop1h 03m
Deal found 9/4![United Airlines logo]()
$269
This United Airlines deal was found by Cheapflights users on 9/3. 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 10/710:40 am -
Nonstop1h 07m
Sat 10/108:30 am -
Nonstop1h 12m
Deal found 9/3![United Airlines logo]()
$269
This United Airlines deal was found by Cheapflights users on 9/2. 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.
Fri 10/210:40 am -
Nonstop1h 09m
Wed 10/71:05 pm -
Nonstop1h 15m
Deal found 9/2![United Airlines logo]()
$269
This United Airlines deal was found by Cheapflights users on 9/1. 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.
Thu 10/86:15 am -
Nonstop1h 16m
Sat 10/105:25 pm -
Nonstop1h 17m
Deal found 9/1![United Airlines logo]()
$269
This United Airlines deal was found by Cheapflights users on 8/31. 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.
Mon 9/287:30 pm -
Nonstop1h 19m
Mon 10/510:16 pm -
Nonstop1h 14m
Deal found 8/31![United Airlines logo]()
$269
This United Airlines deal was found by Cheapflights users on 9/3. 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.
Thu 10/2210:40 am -
Nonstop1h 09m
Sun 10/2510:15 pm -
Nonstop1h 15m
Deal found 9/3![United Airlines logo]()
$269
This United Airlines deal was found by Cheapflights users on 9/4. 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.
Thu 2/118:00 pm -
Nonstop1h 08m
Sun 2/148:15 am -
Nonstop1h 09m
Deal found 9/4![United Airlines logo]()
$289
Last-minute flights from Maryland to Dulles IntlDiscover last-minute flight deals from Maryland to Dulles Intl. Data last updated September 5, 2026 and is based on user searches.
Discover last-minute flight deals from Maryland to Dulles Intl. Data last updated September 5, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 9/4. 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 9/235:32 pm -
1 stop23h 46m
Wed 9/307:50 am -
1 stop10h 24m
Deal found 9/4![Frontier logo]()
$170
This Kiwi.com deal was found by Cheapflights users on 9/1. 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 9/295:32 pm -
1 stop6h 38m
Tue 10/69:04 pm -
1 stop10h 12m
Deal found 9/1![Frontier logo]()
$127
This Kiwi.com deal was found by Cheapflights users on 9/4. 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 10/15:32 pm -
1 stop6h 38m
Mon 10/59:04 pm -
1 stop10h 12m
Deal found 9/4![Frontier logo]()
$163
This Kiwi.com deal was found by Cheapflights users on 9/3. 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 10/198:30 am -
1 stop8h 43m
Sat 10/247:50 am -
1 stop10h 25m
Deal found 9/3![Frontier logo]()
$131
This Kiwi.com deal was found by Cheapflights users on 9/4. 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 10/205:22 pm -
1 stop6h 59m
Fri 10/239:06 pm -
1 stop10h 15m
Deal found 9/4![Frontier logo]()
$142
This Kiwi.com deal was found by Cheapflights users on 9/3. 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 10/215:22 pm -
1 stop6h 59m
Sat 10/247:50 am -
1 stop10h 25m
Deal found 9/3![Frontier logo]()
$130
This Kiwi.com deal was found by Cheapflights users on 9/3. 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 10/226:03 pm -
1 stop6h 18m
Sat 10/247:50 am -
1 stop15h 21m
Deal found 9/3![Frontier logo]()
$167
This Kiwi.com deal was found by Cheapflights users on 9/4. 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 10/285:22 pm -
1 stop6h 21m
Fri 10/309:06 pm -
1 stop10h 15m
Deal found 9/4![Frontier logo]()
$143
One-way flights from Maryland to Dulles IntlSearch for one-way flight options from Maryland to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated September 5, 2026.
Search for one-way flight options from Maryland to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated September 5, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/4. 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 11/178:30 am -
1 stop8h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Frontier logo]()
$64
This Kiwi.com deal was found by Cheapflights users on 9/4. 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 11/412:36 pm -
1 stop28h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Frontier logo]()
$66
This Trip.com deal was found by Cheapflights users on 9/4. 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.
Mon 11/168:30 am -
1 stop8h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Frontier logo]()
$68
This Kiwi.com deal was found by Cheapflights users on 9/3. 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 11/1912:36 pm -
1 stop11h 07m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Frontier logo]()
$79
This Kiwi.com deal was found by Cheapflights users on 8/31. 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 9/308:41 am -
1 stop8h 37m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 8/31![Frontier logo]()
$80
This Kiwi.com deal was found by Cheapflights users on 9/1. 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.
Sat 10/245:20 pm -
1 stop7h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/1![Frontier logo]()
$82
This Kiwi.com deal was found by Cheapflights users on 9/1. 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 10/55:32 pm -
1 stop6h 38m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/1![Frontier logo]()
$84
This Kiwi.com deal was found by Cheapflights users on 9/3. 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 10/156:03 pm -
1 stop6h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Frontier logo]()
$91
This Frontier deal was found by Cheapflights users on 9/1. 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 10/25:32 pm -
1 stop6h 38m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/1![Frontier logo]()
$94
This Kiwi.com deal was found by Cheapflights users on 8/31. 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 10/112:40 pm -
1 stop11h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 8/31![Frontier logo]()
$95
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 September 5, 2026.
Round-trip from | $127 (Kiwi.com) |
|---|---|
One-way from | $64 (Kiwi.com) |
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 7,457,451 searches. Data last updated September 5, 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
Cheapest round-trip
PhiladelphiaWashington, D.C.
PHL Philadelphia - IAD Washington, D.C. Dulles Intl
PHLIAD
Philadelphia
Fri 10/2
5:32 pm-12:10 am
1 stop6h 38m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$94
PhiladelphiaWashington, D.C.
PHL Philadelphia - IAD Washington, D.C. Dulles Intl
PHLIAD
Philadelphia
Mon 10/5
5:15 am-5:56 pm
2 stops12h 41m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$141
PhiladelphiaWashington, D.C.
PHL Philadelphia - IAD Washington, D.C. Dulles Intl
PHLIAD
Philadelphia
Thu 10/15
6:00 am-12:21 am
2 stops18h 21m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$146
PhiladelphiaWashington, D.C.
PHL Philadelphia - IAD Washington, D.C. Dulles Intl
PHLIAD
Philadelphia
Mon 11/30
6:00 am-7:13 am
Nonstop1h 13m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$162
PhiladelphiaWashington, D.C.
PHL Philadelphia - IAD Washington, D.C. Dulles Intl
PHLIAD
Philadelphia
Mon 10/5
10:40 am-11:49 am
Nonstop1h 09m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$162
PhiladelphiaWashington, D.C.
PHL Philadelphia - IAD Washington, D.C. Dulles Intl
PHLIAD
Philadelphia
Thu 9/24
6:15 am-7:33 am
Nonstop1h 18m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$162
PhiladelphiaWashington, D.C.
PHL Philadelphia - IAD Washington, D.C. Dulles Intl
PHLIAD
Philadelphia
Sat 10/3
3:08 pm-4:24 pm
Nonstop1h 16m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$162
Quickest round-trip
PhiladelphiaWashington, D.C.
PHL Philadelphia - IAD Washington, D.C. Dulles Intl
PHLIAD
Philadelphia
Sun 9/27
10:40 am-11:36 am
Nonstop0h 56m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$162
PhiladelphiaWashington, D.C.
PHL Philadelphia - IAD Washington, D.C. Dulles Intl
PHLIAD
Philadelphia
Wed 11/18
10:30 am-11:40 am
Nonstop1h 10m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$162
PhiladelphiaWashington, D.C.
PHL Philadelphia - IAD Washington, D.C. Dulles Intl
PHLIAD
Philadelphia
Fri 10/2
10:40 am-11:49 am
Nonstop1h 09m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$162
Showing 1-10 of 24 resultsSorted by cheapest first
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.
PHL-IAD
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
USMD-IAD
PHL-IAD
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.
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 locationsAlexandria
Owings Mills
Arlington
Tysons
Lanham
Reston
Herndon
Rockville
Chantilly
Hyattsville
Fredericksburg
Woodbridge
Falls Church
Sterling
Hanover
Laurel
Oxon Hill
Clinton
Hunt Valley
Silver Spring
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.
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