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$95+ 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 1/14. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — SEA
Dec 21 — Dec 281
Sun 12/21
Sun 12/28
1 adult, Economy
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Find 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 November 21, 2025.

This CheapOair deal was found by Cheapflights users on 11/20. 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.
Thu 12/42:00 pmDCA - SEA
1 stop24h 53mFrontier
Sun 12/712:48 pmSEA - DCA
1 stop30h 11mFrontier
Deal found 11/20$237
This Alaska Airlines deal was found by Cheapflights users on 11/19. 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.
Wed 12/107:34 amIAD - SEA
Nonstop6h 01mAlaska Airlines
Thu 12/2510:00 amSEA - IAD
Nonstop5h 09mAlaska Airlines
Deal found 11/19$238
This Delta deal was found by Cheapflights users on 11/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/136:06 amDCA - SEA
1 stop7h 34mDelta
Wed 12/3110:55 pmSEA - DCA
1 stop9h 42mDelta
Deal found 11/19$238
This Delta deal was found by Cheapflights users on 11/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/117:15 amIAD - SEA
Nonstop5h 57mDelta
Sun 12/143:30 pmSEA - IAD
Nonstop4h 57mDelta
Deal found 11/20$239
This United Airlines deal was found by Cheapflights users on 11/19. 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 12/45:55 pmIAD - SEA
Nonstop5h 59mUnited Airlines
Thu 12/117:00 amSEA - IAD
1 stop7h 30mUnited Airlines
Deal found 11/19$244
This American Airlines deal was found by Cheapflights users on 11/20. 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.
Thu 12/111:53 pmBWI - SEA
1 stop10h 03mAmerican Airlines
Sun 12/1412:38 amSEA - BWI
1 stop7h 44mAmerican Airlines
Deal found 11/20$248
This Kiwi.com deal was found by Cheapflights users on 11/19. 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 12/242:00 pmDCA - SEA
1 stop25h 30mFrontier
Mon 1/52:54 pmSEA - DCA
1 stop18h 11mFrontier
Deal found 11/19$248
This United Airlines deal was found by Cheapflights users on 11/19. 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 12/136:00 amIAD - SEA
1 stop8h 16mUnited Airlines
Tue 12/167:34 pmSEA - IAD
1 stop8h 21mUnited Airlines
Deal found 11/19$249
This Delta deal was found by Cheapflights users on 11/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/95:36 pmBWI - SEA
1 stop7h 49mDelta
Wed 12/2412:55 amSEA - BWI
1 stop9h 56mDelta
Deal found 11/20$249
This Delta deal was found by Cheapflights users on 11/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/126:02 amDCA - SEA
1 stop7h 38mDelta
Mon 12/157:25 amSEA - DCA
Nonstop5h 02mDelta
Deal found 11/20$249
This United Airlines deal was found by Cheapflights users on 11/20. 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 12/178:20 amIAD - SEA
1 stop10h 47mUnited Airlines
Sun 1/118:10 amSEA - IAD
Nonstop5h 06mUnited Airlines
Deal found 11/20$250
This United Airlines deal was found by Cheapflights users on 11/19. 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 12/85:55 pmIAD - SEA
Nonstop5h 59mUnited Airlines
Thu 12/118:10 amSEA - IAD
Nonstop5h 08mUnited Airlines
Deal found 11/19$251

Cheap flight deals from Maryland to Seattle

Keep the following information in mind while searching for Maryland to Seattle flight deals. Data was last updated November 21, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$237
(CheapOair)

One-way from

$95
(American Airlines)

Popular in

December

Cheapest in

September

Average price

$387

Good round-trip deal

$352 or less

Good one-way deal

$226 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. 4% potential increase in price ($18 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
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 November 21, 2025.
Use the filters below to find and compare flights from Maryland to Seattle that are best for you.

Fly from

Maryland

Fly to

Seattle

Route

Depart

Return

Price

Washington, D.C.Seattle

DCA - SEA

DCASEA

Washington, D.C. Reagan-National

Thu 12/4

2:00 pm-11:53 am

1 stop24h 53m

Seattle/Tacoma Intl

Sun 12/7

12:48 pm-9:59 pm

1 stop30h 11m

$237

Washington, D.C.Seattle

IAD - SEA

IADSEA

Washington, D.C. Dulles Intl

Sat 2/28

7:05 am-10:05 am

Nonstop6h 00m

Seattle/Tacoma Intl

Fri 3/6

9:45 pm-5:40 am

Nonstop4h 55m

$238

Washington, D.C.Seattle

IAD - SEA

IADSEA

Washington, D.C. Dulles Intl

Sun 2/15

7:05 am-10:05 am

Nonstop6h 00m

Seattle/Tacoma Intl

Wed 2/25

9:27 am-5:20 pm

Nonstop4h 53m

$238

Washington, D.C.Seattle

IAD - SEA

IADSEA

Washington, D.C. Dulles Intl

Wed 2/18

7:30 am-10:29 am

Nonstop5h 59m

Seattle/Tacoma Intl

Sat 2/21

3:20 pm-11:10 pm

Nonstop4h 50m

$239

Washington, D.C.Seattle

DCA - SEA

DCASEA

Washington, D.C. Reagan-National

Sat 2/21

4:44 pm-7:43 pm

Nonstop5h 59m

Seattle/Tacoma Intl

Wed 2/25

7:20 am-3:20 pm

Nonstop5h 00m

$239

Washington, D.C.Seattle

DCA - SEA

DCASEA

Washington, D.C. Reagan-National

Thu 1/29

4:44 pm-7:43 pm

Nonstop5h 59m

Seattle/Tacoma Intl

Mon 2/2

7:20 am-3:20 pm

Nonstop5h 00m

$239

Washington, D.C.Seattle

DCA - SEA

DCASEA

Washington, D.C. Reagan-National

Wed 1/14

4:44 pm-7:43 pm

Nonstop5h 59m

Seattle/Tacoma Intl

Sun 1/18

7:20 am-3:20 pm

Nonstop5h 00m

$239

Washington, D.C.Seattle

DCA - SEA

DCASEA

Washington, D.C. Reagan-National

Fri 1/16

4:44 pm-7:43 pm

Nonstop5h 59m

Seattle/Tacoma Intl

Sun 1/18

7:20 am-3:20 pm

Nonstop5h 00m

$239

BaltimoreSeattle

BWI - SEA

BWISEA

Baltimore/Washington

Mon 1/5

6:35 pm-12:30 am

1 stop8h 55m

Seattle/Tacoma Intl

Tue 1/13

6:05 am-5:15 pm

2 stops8h 10m

$244

Washington, D.C.Seattle

DCA - SEA

DCASEA

Washington, D.C. Reagan-National

Fri 12/12

6:10 am-12:58 pm

1 stop9h 48m

Seattle/Tacoma Intl

Thu 1/1

7:35 am-3:36 pm

Nonstop5h 01m

$249

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/18

Showing 1-10 of 60 results
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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 $105). Flying from Maryland to Seattle in July is currently the most expensive (average of $232). 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 November 21, 2025.

It’s typically best to fly out from Maryland to Seattle in the evening. Doing so could potentially save you 32% on the flight price compared to flying at noon, which is usually more expensive.

What is the cheapest day to fly from Maryland to Seattle?

Use this chart to determine the cheapest time to fly round-trip from Maryland to Seattle. Price data was last updated on November 2, 2025.

Travelers seeking maximum savings on their Maryland to Seattle flight should consider departing on Tuesday mornings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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 26 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 59m. 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 Southwest, which is currently one of the cheapest options available, starting at $95. Delta flights start at $99 while deals on United Airlines start at $139 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. Reagan-National - Seattle/Tacoma Intl, Washington, D.C. Dulles Intl - Seattle/Tacoma Intl or Baltimore/Washington - 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 Alaska Airlines (88%), Hawaiian Airlines (88%) and Air Tahiti Nui (88%).

  • What are the cheapest flights from Maryland to Seattle?

    On average you can expect to pay $1,266 for a flight from Maryland to Seattle. The cheapest flight overall is $148 while the most popular route, (Washington, D.C. Reagan-National - Seattle/Tacoma Intl) is currently priced at $182.

  • 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 $105). Flying from Maryland to Seattle in July is currently the most expensive (average of $232). 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
Tukwila
Lakewood
Olympia
Ocean Shores
Lynnwood
Edmonds
Leavenworth
Renton
Kirkland
Lacey
Kent
Cle Elum
Marysville
Puyallup
Federal Way
Fife
Issaquah
Aberdeen

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Alternative routes for Maryland to Seattle

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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 November 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$126Average$277FlexibilityNo cancel feeOn-time65%
FrontierCheapest$148Average$245FlexibilityNo cancel feeOn-time62%
DeltaCheapest$196Average$308FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$206Average$631FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$229Average$402FlexibilityNo cancel feeOn-time69%
Hawaiian AirlinesCheapest$231Average$417FlexibilityNo cancel feeOn-time85%
SouthwestCheapest$238Average$492FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$278Average$470FlexibilityNo cancel feeOn-time75%
Sun Country AirCheapest$313Average$402FlexibilityNo cancel feeOn-time83%

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