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$105+ Cheap flights from Maryland to Seattle (SEA)

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 8/24. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — SEA
Aug 12 — Aug 191
Wed 8/12
Wed 8/19
1 adult, Economy
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Cheap flight deals from Maryland to Seattle

Cheapest flights from Maryland to Seattle
Explore the most affordable flight options available from Maryland to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 13, 2026.

This Booking.com deal was found by Cheapflights users on 7/13. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/277:00 am
IAD
-
SEA
Nonstop5h 37m
Alaska Airlines
Thu 9/39:35 pm
SEA
-
IAD
Nonstop5h 05m
Alaska Airlines
Deal found 7/13$308
This CheapOair deal was found by Cheapflights users on 7/13. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/96:00 pm
DCA
-
SEA
1 stop18h 51m
Frontier
Tue 10/137:41 pm
SEA
-
DCA
1 stop23h 17m
Frontier
Deal found 7/13$314
This Alaska Airlines deal was found by Cheapflights users on 7/13. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/257:00 am
IAD
-
SEA
Nonstop5h 37m
Alaska Airlines
Mon 10/59:05 pm
SEA
-
IAD
1 stop17h 48m
Alaska Airlines
Deal found 7/13$316
This Kiwi.com deal was found by Cheapflights users on 7/12. 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 8/147:00 am
DCA
-
SEA
1 stop9h 17m
Frontier
Thu 8/207:06 pm
SEA
-
DCA
1 stop14h 45m
Frontier
Deal found 7/12$316
This Alaska Airlines 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/179:30 am
IAD
-
SEA
Nonstop5h 46m
Alaska Airlines
Mon 8/249:35 pm
SEA
-
IAD
Nonstop5h 05m
Alaska Airlines
Deal found 7/9$317
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.
Wed 8/57:00 am
DCA
-
SEA
1 stop29h 04m
Frontier
Wed 8/1210:34 am
SEA
-
DCA
2 stops27h 25m
Frontier
Deal found 7/9$317
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.
Tue 8/117:00 am
DCA
-
SEA
1 stop9h 17m
Frontier
Sat 8/157:06 pm
SEA
-
DCA
1 stop14h 45m
Frontier
Deal found 7/8$318
This Kiwi.com deal was found by Cheapflights users on 7/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/59:50 am
IAD
-
SEA
1 stop28h 14m
Frontier
Sun 8/98:53 pm
SEA
-
IAD
2 stops36h 54m
Frontier
Deal found 7/10$319
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 8/147:00 am
DCA
-
SEA
1 stop9h 17m
Frontier
Tue 8/187:06 pm
SEA
-
DCA
1 stop14h 45m
Frontier
Deal found 7/8$319
This Kiwi.com deal was found by Cheapflights users on 7/12. 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.
Thu 8/69:50 am
IAD
-
SEA
1 stop28h 14m
Frontier
Sun 8/239:29 pm
SEA
-
IAD
1 stop31h 35m
Frontier
Deal found 7/12$320
This Southwest deal was found by Cheapflights users on 7/13. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/264:35 pm
DCA
-
SEA
1 stop10h 00m
Southwest
Sat 8/295:30 am
SEA
-
DCA
2 stops11h 35m
Southwest
Deal found 7/13$320
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 8/139:50 am
IAD
-
SEA
2 stops26h 14m
Frontier
Wed 8/198:53 pm
SEA
-
IAD
1 stop8h 11m
Frontier
Deal found 7/9$321

Find flight deals from Maryland to Seattle

Keep the following information in mind while searching for Maryland to Seattle flight deals. Data was last updated July 13, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$316
(Alaska Airlines)

One-way from

$105
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$508

Good round-trip deal

$469 or less

Good one-way deal

$343 or less
Provider with most accurate pricing for Washington, D.C. (WAS)-Seattle/Tacoma Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Seattle/Tacoma Intl flights.
Search Deals
From Maryland to Seattle/Tacoma Intl
Search Deals
One-way flight from Maryland to Seattle/Tacoma Intl
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($84 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a round-trip flight from Maryland to Seattle/Tacoma Intl.
Search Deals
Price to beat on a one-way flight from Maryland to Seattle/Tacoma Intl.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Maryland to Seattle 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 13, 2026.
Use the filters below to find and compare flights from Maryland to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Seattle

DCA - SEA

DCASEA

Washington, D.C. Reagan-National

Sat 9/5

3:40 pm-8:55 pm

1 stop8h 15m

Seattle/Tacoma Intl

Sat 9/12

5:30 am-8:55 pm

1 stop12h 25m

$321

Washington, D.C.Seattle

IAD - SEA

IADSEA

Washington, D.C. Dulles Intl

Wed 9/9

7:00 am-9:37 am

Nonstop5h 37m

Seattle/Tacoma Intl

Sun 9/13

8:49 pm-6:14 pm

1 stop18h 25m

$325

Washington, D.C.Seattle

DCA - SEA

DCASEA

Washington, D.C. Reagan-National

Sat 8/29

2:30 pm-9:30 pm

2 stops10h 00m

Seattle/Tacoma Intl

Sat 9/12

5:30 am-8:55 pm

1 stop12h 25m

$326

PhiladelphiaSeattle

PHL - SEA

PHLSEA

Philadelphia

Wed 8/19

3:05 pm-11:25 pm

2 stops11h 20m

Seattle/Tacoma Intl

Mon 8/24

7:00 am-9:05 pm

2 stops11h 05m

$334

PhiladelphiaSeattle

PHL - SEA

PHLSEA

Philadelphia

Wed 9/30

3:54 pm-9:15 pm

1 stop8h 21m

Seattle/Tacoma Intl

Sun 10/4

9:30 pm-5:50 am

Nonstop5h 20m

$339

PhiladelphiaSeattle

PHL - SEA

PHLSEA

Philadelphia

Tue 8/18

7:05 am-10:01 am

Nonstop5h 56m

Seattle/Tacoma Intl

Mon 8/31

5:45 am-5:47 pm

1 stop9h 02m

$339

PhiladelphiaSeattle

PHL - SEA

PHLSEA

Philadelphia

Fri 9/11

6:20 pm-11:59 pm

1 stop8h 39m

Seattle/Tacoma Intl

Mon 9/14

9:30 pm-5:50 am

Nonstop5h 20m

$339

Washington, D.C.Seattle

IAD - SEA

IADSEA

Washington, D.C. Dulles Intl

Sat 8/22

7:00 am-9:37 am

Nonstop5h 37m

Seattle/Tacoma Intl

Mon 8/31

7:50 pm-6:14 pm

1 stop19h 24m

$345

Washington, D.C.Seattle

DCA - SEA

DCASEA

Washington, D.C. Reagan-National

Wed 9/16

8:00 am-10:54 am

Nonstop5h 54m

Seattle/Tacoma Intl

Tue 9/22

1:46 pm-9:59 pm

Nonstop5h 13m

$345

PhiladelphiaSeattle

PHL - SEA

PHLSEA

Philadelphia

Tue 8/11

8:10 am-2:45 pm

1 stop9h 35m

Seattle/Tacoma Intl

Wed 8/26

9:45 pm-9:38 am

1 stop8h 53m

$349

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/9

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Maryland to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle 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 Seattle

What is the cheapest month to book a flight from Maryland to Seattle?

Currently, March is the cheapest month in which you can book a flight from Maryland to Seattle (average of $98). Flying from Maryland to Seattle in December is currently the most expensive (average of $184). 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 MD to SEA?

Find hourly flight availability from Maryland to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 13, 2026.

It’s typically best to fly out from Maryland to Seattle in the evening. Doing so could potentially save you 29% on the flight price compared to flying at noon, which is usually more expensive.

Weekly flight availability from Maryland to Seattle

Explore weekly flight availability from Maryland to Seattle. 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 July 13, 2026.

The most flights from USMD to SEA are scheduled on a Sunday (6 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (1 on average).

How much does it cost to fly round-trip from Maryland to Seattle?

How far ahead should I book a flight from Maryland to Seattle?

The best time to book flights from Maryland to Seattle is 51 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.

Related info for your journey

Find useful and relevant information for your journey from Maryland to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Seattle from Maryland?

    Most people fly into Seattle/Tacoma Intl (SEA) if they book a flight to Seattle from Maryland. Seattle/Tacoma Intl is conveniently located just 11.4 mi from Seattle’s city center.

  • How popular is this Maryland to Seattle flight route?

    This flight path from Maryland to Seattle/Tacoma Intl was viewed by 22 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Maryland to Seattle?

    Departing from Maryland to Seattle will take you 5h 37m. The distance between Maryland and Seattle is about 2299 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Maryland to Seattle one-way?

    To fly one-way, consider booking your trip with American Airlines, which is currently one of the cheapest options available, starting at $79. Southwest flights start at $89 while deals on Delta start at $98 one-way.

  • What are the most popular routes from Maryland to Seattle?

    When deciding which route to take from Maryland to Seattle consider Washington, D.C. Dulles Intl - Seattle/Tacoma Intl, Washington, D.C. Reagan-National - Seattle/Tacoma Intl or Philadelphia - Seattle/Tacoma Intl as they are the most popular.

  • What are the most reliable airlines from Maryland to Seattle?

    The top 3 most reliable airlines when flying from Maryland to Seattle are Finnair (88%), Alaska Airlines (76%) and Southwest (54%).

  • What are the cheapest flights from Maryland to Seattle?

    On average you can expect to pay $1,193 for a flight from Maryland to Seattle. The cheapest flight overall is $188 while the most popular route, (Washington, D.C. Dulles Intl - Seattle/Tacoma Intl) is currently priced at $255.

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

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

  • How can I find direct flights from Maryland to Seattle?

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

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

    Yes. Cheapflights offers flight deals from Maryland to Seattle 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 Seattle?

    Currently, March is the cheapest month in which you can book a flight from Maryland to Seattle (average of $98). Flying from Maryland to Seattle in December is currently the most expensive (average of $184). 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 Seattle?

Book flights to Seattle if you plan to visit one of these locations
SeaTac
Tacoma
Lacey
Leavenworth
Olympia
Ocean Shores
Edmonds
Snoqualmie
Tumwater
Tukwila
Renton
Kent
Lynnwood
Puyallup
Ellensburg
Fife
Marysville
Lakewood
Issaquah
Shoreline

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Maryland to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
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Top 9 airlines flying from Maryland to Seattle

Discover the top 9 airlines that operate flights from Maryland to Seattle. 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 July 13, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$99Average$295FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$148Average$377FlexibilityNo cancel feeOn-time85%
FrontierCheapest$167Average$286FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$179Average$364FlexibilityNo cancel feeOn-time71%
JetBlueCheapest$219Average$369FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$222Average$467FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$238Average$399FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$260Average$457FlexibilityNo cancel feeOn-time75%
Sun Country AirCheapest$295Average$465FlexibilityNo cancel feeOn-time83%

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