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$113+ 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 12/7. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — SEA
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
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 October 30, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/136:00 amBWI - SEA
1 stop15h 32mMultiple Airlines
Tue 11/181:37 pmSEA - BWI
2 stops20h 18mMultiple Airlines
Deal found 10/28$227
This Delta deal was found by Cheapflights users on 10/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/138:05 amBWI - SEA
1 stop9h 32mDelta
Sun 11/2311:00 pmSEA - BWI
1 stop7h 22mDelta
Deal found 10/28$228
This Southwest deal was found by Cheapflights users on 10/30. 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.
Thu 12/49:10 amBWI - SEA
1 stop12h 10mSouthwest
Wed 12/106:35 amSEA - BWI
2 stops9h 55mSouthwest
Deal found 10/30$230
This Southwest deal was found by Cheapflights users on 10/28. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/101:05 pmBWI - SEA
2 stops12h 50mSouthwest
Fri 12/125:55 pmSEA - BWI
1 stop8h 50mSouthwest
Deal found 10/28$233
This SmartFares deal was found by Cheapflights users on 10/29. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/277:38 amIAD - SEA
Nonstop5h 54mHawaiian Airlines
Thu 12/410:11 pmSEA - IAD
Nonstop4h 55mHawaiian Airlines
Deal found 10/29$234
This Cheapflightsfares deal was found by Cheapflights users on 10/28. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/57:34 amIAD - SEA
Nonstop6h 01mAlaska Airlines
Sun 12/710:11 pmSEA - IAD
Nonstop4h 55mAlaska Airlines
Deal found 10/28$235
This CheapOair deal was found by Cheapflights users on 10/30. 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.
Mon 11/106:00 pmDCA - SEA
1 stop21h 07mFrontier
Thu 11/1312:58 pmSEA - DCA
1 stop21h 04mFrontier
Deal found 10/30$236
This Alaska Airlines deal was found by Cheapflights users on 10/28. 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.
Fri 12/56:30 pmIAD - SEA
Nonstop6h 00mAlaska Airlines
Mon 12/810:11 pmSEA - IAD
Nonstop4h 55mAlaska Airlines
Deal found 10/28$237
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/148:48 pmBWI - SEA
1 stop14h 58mFrontier
Wed 12/242:46 pmSEA - BWI
2 stops17h 09mFrontier
Deal found 10/29$237
This Alaska Airlines deal was found by Cheapflights users on 10/29. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/85:00 pmDCA - SEA
Nonstop6h 13mAlaska Airlines
Tue 12/161:56 pmSEA - DCA
Nonstop5h 03mAlaska Airlines
Deal found 10/29$237
This Delta deal was found by Cheapflights users on 10/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/277:15 amIAD - SEA
Nonstop6h 04mDelta
Wed 12/33:30 pmSEA - IAD
Nonstop4h 57mDelta
Deal found 10/29$238
This Southwest deal was found by Cheapflights users on 10/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/912:35 pmBWI - SEA
2 stops11h 05mSouthwest
Wed 12/106:35 amSEA - BWI
2 stops9h 55mSouthwest
Deal found 10/29$238

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 October 30, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$226
(United Airlines)

One-way from

$113
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$397

Good round-trip deal

$339 or less

Good one-way deal

$201 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. 3% potential increase in price ($15 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 October 2025
Search Deals
Price to beat on a round-trip flight from Maryland to Seattle/Tacoma Intl.
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Price to beat on a one-way flight from Maryland to Seattle/Tacoma Intl.
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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 October 30, 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

Wed 1/14

8:00 am-11:09 am

Nonstop6h 09m

Seattle/Tacoma Intl

Sun 1/18

1:55 pm-9:59 pm

Nonstop5h 04m

$237

Washington, D.C.Seattle

IAD - SEA

IADSEA

Washington, D.C. Dulles Intl

Wed 1/14

7:30 am-10:29 am

Nonstop5h 59m

Seattle/Tacoma Intl

Sun 1/18

3:20 pm-11:10 pm

Nonstop4h 50m

$238

BaltimoreSeattle

BWI - SEA

BWISEA

Baltimore/Washington

Thu 1/8

2:20 pm-11:05 pm

2 stops11h 45m

Seattle/Tacoma Intl

Sun 1/11

6:35 am-5:40 pm

2 stops8h 05m

$238

BaltimoreSeattle

BWI - SEA

BWISEA

Baltimore/Washington

Thu 1/15

1:40 pm-11:40 pm

2 stops13h 00m

Seattle/Tacoma Intl

Fri 1/16

5:15 am-5:40 pm

2 stops9h 25m

$238

Washington, D.C.Seattle

IAD - SEA

IADSEA

Washington, D.C. Dulles Intl

Fri 12/12

5:55 pm-8:54 pm

Nonstop5h 59m

Seattle/Tacoma Intl

Sun 12/14

10:40 am-9:18 pm

1 stop7h 38m

$247

Washington, D.C.Seattle

IAD - SEA

IADSEA

Washington, D.C. Dulles Intl

Wed 12/10

5:37 pm-12:12 am

1 stop9h 35m

Seattle/Tacoma Intl

Mon 12/15

7:59 pm-5:30 pm

1 stop18h 31m

$256

BaltimoreSeattle

BWI - SEA

BWISEA

Baltimore/Washington

Thu 11/20

6:00 am-12:57 pm

1 stop9h 57m

Seattle/Tacoma Intl

Thu 11/27

7:15 am-12:26 am

2 stops14h 11m

$256

Washington, D.C.Seattle

IAD - SEA

IADSEA

Washington, D.C. Dulles Intl

Thu 1/8

5:26 pm-9:28 am

1 stop19h 02m

Seattle/Tacoma Intl

Sun 1/11

8:21 pm-5:04 pm

1 stop17h 43m

$256

Washington, D.C.Seattle

DCA - SEA

DCASEA

Washington, D.C. Reagan-National

Tue 12/16

8:59 am-5:27 pm

1 stop11h 28m

Seattle/Tacoma Intl

Thu 1/8

8:06 am-8:00 pm

1 stop8h 54m

$256

Washington, D.C.Seattle

DCA - SEA

DCASEA

Washington, D.C. Reagan-National

Thu 1/8

8:00 am-11:09 am

Nonstop6h 09m

Seattle/Tacoma Intl

Sun 1/11

1:55 pm-9:59 pm

Nonstop5h 04m

$257

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

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 $109). Flying from Maryland to Seattle in December is currently the most expensive (average of $242). 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 October 30, 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 October 26, 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 evenings 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 28 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 United Airlines, which is currently one of the cheapest options available, starting at $120. Alaska Airlines flights start at $129 while deals on Delta 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. Dulles Intl - Seattle/Tacoma Intl, Washington, D.C. Reagan-National - 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 Finnair (100%), Southwest (92%) and Alaska Airlines (89%).

  • What are the cheapest flights from Maryland to Seattle?

    On average you can expect to pay $1,036 for a flight from Maryland to Seattle. The cheapest flight overall is $148 while the most popular route, (Washington, D.C. Dulles Intl - Seattle/Tacoma Intl) is currently priced at $227.

  • 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 $109). Flying from Maryland to Seattle in December is currently the most expensive (average of $242). 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
Tukwila
Tacoma
Lakewood
Olympia
Ocean Shores
Lynnwood
Edmonds
Leavenworth
Renton
Kirkland
Lacey
Kent
Federal Way
Cle Elum
Marysville
Puyallup
Chehalis
Fife
Issaquah

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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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$126Average$275FlexibilityNo cancel feeOn-time65%
FrontierCheapest$137Average$242FlexibilityNo cancel feeOn-time62%
DeltaCheapest$204Average$309FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$206Average$631FlexibilityNo cancel feeOn-time71%
Hawaiian AirlinesCheapest$231Average$417FlexibilityNo cancel feeOn-time85%
SouthwestCheapest$238Average$492FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$238Average$408FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$279Average$471FlexibilityNo cancel feeOn-time75%
Sun Country AirCheapest$313Average$402FlexibilityNo cancel feeOn-time83%

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