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$140+ 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 7/4. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — SEA
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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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 June 12, 2025.

Round-trip from

$227
(Delta)

One-way from

$140
(Delta)

Popular in

December

Cheapest in

September

Average price

$450

Good round-trip deal

$371 or less

Good one-way deal

$230 or less
From Maryland to Seattle/Tacoma Intl
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One-way flight from Maryland to Seattle/Tacoma Intl
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Highest demand for flights based on searches. 3% potential increase in price ($12 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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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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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 June 12, 2025.

This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/207:15 amBWI - SEA
1 stop10h 44mDelta
Mon 9/297:33 pmSEA - BWI
1 stop7h 29mDelta
Deal found 6/10$227
This American Airlines deal was found by Cheapflights users on 6/11. 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 9/26:20 pmBWI - SEA
1 stop8h 20mAmerican Airlines
Tue 9/93:00 pmSEA - BWI
1 stop16h 54mAmerican Airlines
Deal found 6/11$231
This United Airlines deal was found by Cheapflights users on 6/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2110:51 amBWI - SEA
2 stops10h 11mUnited Airlines
Sun 11/211:50 pmSEA - BWI
1 stop7h 09mUnited Airlines
Deal found 6/10$256
This Kiwi.com deal was found by Cheapflights users on 6/10. 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.
Sat 10/116:00 pmDCA - SEA
1 stop9h 31mFrontier
Tue 10/216:00 amSEA - DCA
1 stop8h 01mFrontier
Deal found 6/10$256
This Cheapflightsfares deal was found by Cheapflights users on 6/11. 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.
Tue 7/86:00 amBWI - SEA
1 stop12h 03mSpirit Airlines
Sat 7/125:30 pmSEA - BWI
1 stop9h 35mSpirit Airlines
Deal found 6/11$257
This American Airlines deal was found by Cheapflights users on 6/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/217:00 amDCA - SEA
1 stop8h 33mAmerican Airlines
Sun 11/211:45 amSEA - DCA
1 stop7h 15mAmerican Airlines
Deal found 6/10$257
This Frontier deal was found by Cheapflights users on 6/10. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/196:49 pmBWI - SEA
1 stop8h 42mFrontier
Mon 9/226:00 amSEA - BWI
1 stop9h 04mFrontier
Deal found 6/10$260
This FlightHub deal was found by Cheapflights users on 6/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/38:00 amBWI - SEA
1 stop10h 53mMultiple Airlines
Mon 9/86:00 amSEA - BWI
1 stop9h 04mMultiple Airlines
Deal found 6/10$263
This American Airlines deal was found by Cheapflights users on 6/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/291:06 pmIAD - SEA
1 stop10h 35mAmerican Airlines
Tue 8/59:41 pmSEA - IAD
1 stop9h 12mAmerican Airlines
Deal found 6/9$267
This FlightHub deal was found by Cheapflights users on 6/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/187:30 amIAD - SEA
1 stop9h 36mFrontier
Thu 8/283:25 pmSEA - IAD
1 stop12h 05mFrontier
Deal found 6/10$270
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/236:09 pmIAD - SEA
Nonstop5h 42mAlaska Airlines
Tue 8/2611:30 pmSEA - IAD
Nonstop5h 02mAlaska Airlines
Deal found 6/10$277
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/147:22 pmBWI - SEA
Nonstop5h 43mAlaska Airlines
Tue 9/239:29 pmSEA - BWI
Nonstop5h 04mAlaska Airlines
Deal found 6/10$277

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 June 12, 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

BaltimoreSeattle

BWI - SEA

BWISEA

Baltimore/Washington

Mon 8/25

7:15 am-2:43 pm

1 stop10h 28m

Seattle/Tacoma Intl

Sat 9/6

5:45 pm-6:00 am

1 stop9h 15m

$227

BaltimoreSeattle

BWI - SEA

BWISEA

Baltimore/Washington

Tue 9/2

6:20 pm-11:40 pm

1 stop8h 20m

Seattle/Tacoma Intl

Tue 9/9

3:00 pm-10:54 am

1 stop16h 54m

$231

BaltimoreSeattle

BWI - SEA

BWISEA

Baltimore/Washington

Wed 9/3

10:51 am-6:49 pm

2 stops10h 58m

Seattle/Tacoma Intl

Sat 9/6

11:54 pm-9:55 am

1 stop7h 01m

$256

BaltimoreSeattle

BWI - SEA

BWISEA

Baltimore/Washington

Tue 7/8

6:00 am-3:03 pm

1 stop12h 03m

Seattle/Tacoma Intl

Thu 7/10

5:30 pm-6:05 am

1 stop9h 35m

$257

BaltimoreSeattle

BWI - SEA

BWISEA

Baltimore/Washington

Sun 9/7

6:49 pm-12:31 am

1 stop8h 42m

Seattle/Tacoma Intl

Mon 9/15

6:00 am-6:04 pm

1 stop9h 04m

$260

Washington, D.C.Seattle

DCA - SEA

DCASEA

Washington, D.C. Reagan-National

Wed 8/20

1:00 pm-11:01 pm

1 stop13h 01m

Seattle/Tacoma Intl

Sun 8/24

6:17 am-4:59 pm

1 stop7h 42m

$261

BaltimoreSeattle

BWI - SEA

BWISEA

Baltimore/Washington

Wed 9/3

8:00 am-3:53 pm

1 stop10h 53m

Seattle/Tacoma Intl

Mon 9/8

6:00 am-6:04 pm

1 stop9h 04m

$263

Washington, D.C.Seattle

IAD - SEA

IADSEA

Washington, D.C. Dulles Intl

Tue 7/29

1:06 pm-8:41 pm

1 stop10h 35m

Seattle/Tacoma Intl

Tue 8/5

9:41 pm-9:53 am

1 stop9h 12m

$267

Washington, D.C.Seattle

DCA - SEA

DCASEA

Washington, D.C. Reagan-National

Wed 8/13

6:00 pm-11:40 pm

1 stop8h 40m

Seattle/Tacoma Intl

Wed 8/20

1:55 pm-1:16 am

1 stop8h 21m

$267

Washington, D.C.Seattle

IAD - SEA

IADSEA

Washington, D.C. Dulles Intl

Mon 8/18

7:30 am-2:06 pm

1 stop9h 36m

Seattle/Tacoma Intl

Thu 8/28

3:25 pm-6:30 am

1 stop12h 05m

$270

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

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, January is the cheapest month in which you can book a flight from Maryland to Seattle (average of $238). Flying from Maryland to Seattle in July is currently the most expensive (average of $391). 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 June 12, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Maryland to Seattle as you normally would.

Rainfall in Seattle by month

Plan your trip to Seattle by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Seattle ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.

Temperature in Seattle by month

Plan your trip to Seattle by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Seattle, 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 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated June 12, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest and Delta from Maryland to Seattle to help guide your decision. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Southwest
8.0
Very good
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Hawaiian Airlines
7.9
Good
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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 31 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    To fly one-way, consider booking your trip with Delta, which is currently one of the cheapest options available, starting at $140. Sun Country Air flights start at $145 while deals on Alaska Airlines start at $148 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 (71%), Alaska Airlines (59%) and Hawaiian Airlines (59%).

  • What are the cheapest flights from Maryland to Seattle?

    On average you can expect to pay $1,830 for a flight from Maryland to Seattle. The cheapest flight overall is $168 while the most popular route, (Washington, D.C. Dulles Intl - Seattle/Tacoma Intl) is currently priced at $277.

  • 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, January is the cheapest month in which you can book a flight from Maryland to Seattle (average of $238). Flying from Maryland to Seattle in July is currently the most expensive (average of $391). 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
SeaTac
Tukwila
Tacoma
Lakewood
Ocean Shores
Lacey
Leavenworth
Federal Way
Lynnwood
Olympia
Shoreline
Kent
Cle Elum
Centralia
Kirkland
Aberdeen
Renton
Shelton
Silverdale
Issaquah

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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$130Average$220FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$140Average$262FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$206Average$602FlexibilityNo cancel feeOn-time71%
DeltaCheapest$206Average$325FlexibilityNo cancel feeOn-timeN/A
Sun Country AirCheapest$244Average$402FlexibilityNo cancel feeOn-time83%
Hawaiian AirlinesCheapest$244Average$422FlexibilityNo cancel feeOn-time85%
United AirlinesCheapest$273Average$420FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$277Average$473FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$337Average$519FlexibilityNo cancel feeOn-time63%

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