Cheap flights from Maryland to Seattle from $99

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Maryland to Seattle departing on 5/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
6:03 am - 10:32 am
BWI
-
SEA
7h 29m
1 stop
Delta Logo
6:00 am - 6:17 pm
SEA
-
BWI
9h 17m
1 stop
$197Delta
Sat, Apr 25 - Wed, Apr 29
Southwest Logo
4:45 pm - 12:05 am
BWI
-
SEA
10h 20m
2 stops
Southwest Logo
11:55 pm - 11:50 am
SEA
-
BWI
8h 55m
1 stop
$202Southwest
Thu, Apr 23 - Sun, Apr 26
Southwest Logo
1:30 pm - 10:10 pm
BWI
-
SEA
11h 40m
2 stops
Southwest Logo
9:40 am - 11:30 pm
SEA
-
BWI
10h 50m
2 stops
$207Southwest
Sat, Apr 25 - Fri, May 1
Frontier Logo
1:59 pm - 9:27 am
DCA
-
SEA
22h 28m
1 stop
Frontier Logo
7:12 pm - 9:59 pm
SEA
-
DCA
23h 47m
1 stop
$216Frontier
Fri, Apr 17 - Tue, Apr 21
Frontier Logo
7:59 am - 3:05 pm
DCA
-
SEA
10h 06m
1 stop
Frontier Logo
7:12 pm - 9:58 pm
SEA
-
DCA
23h 46m
1 stop
$217Frontier
Mon, Apr 27 - Mon, May 4
American Airlines Logo
7:17 pm - 12:44 am
BWI
-
SEA
8h 27m
1 stop
American Airlines Logo
6:00 am - 6:27 pm
SEA
-
BWI
9h 27m
1 stop
$217American Airlines
Sat, Apr 25 - Wed, Apr 29
United Airlines Logo
7:00 am - 2:36 pm
IAD
-
SEA
10h 36m
1 stop
United Airlines Logo
7:40 am - 3:49 pm
SEA
-
IAD
5h 09mnonstop
$251United Airlines
Thu, Jun 4 - Tue, Jun 9
Multiple Airlines Logo
8:53 pm - 9:27 am
PHL
-
SEA
39h 34m
2 stops
Multiple Airlines Logo
7:12 pm - 5:34 am
SEA
-
PHL
31h 22m
1 stop
$282Multiple Airlines
Mon, Apr 13 - Tue, Apr 21
Multiple Airlines Logo
10:54 am - 9:27 am
PHL
-
SEA
25h 33m
2 stops
Multiple Airlines Logo
7:12 pm - 5:34 am
SEA
-
PHL
31h 22m
1 stop
$283Multiple Airlines
Sat, Apr 18 - Tue, Apr 21
American Airlines Logo
6:08 pm - 9:23 pm
PHL
-
SEA
6h 15mnonstop
American Airlines Logo
12:34 pm - 8:55 pm
SEA
-
PHL
5h 21mnonstop
$284American Airlines
Wed, May 6 - Fri, May 15

Alaska Airlines flights from Maryland to Seattle

Our best Alaska Airlines deals on Maryland to Seattle flight tickets
Alaska Airlines
Apr 26
PHL7:22 amPhiladelphia
5h 58m
SEA10:20 amSeattle/Tacoma Intl
Apr 29
SEA9:44 pmSeattle/Tacoma Intl
5h 18m
PHL6:02 amPhiladelphia
$285
Alaska Airlines
Apr 28
IAD6:47 pmWashington, D.C. Dulles Intl
17h 39m
1 stop
SEA9:26 amSeattle/Tacoma Intl
May 1
SEA3:55 pmSeattle/Tacoma Intl
5h 14m
IAD12:09 amWashington, D.C. Dulles Intl
$289
Alaska Airlines
Apr 23
IAD7:10 amWashington, D.C. Dulles Intl
5h 48m
SEA9:58 amSeattle/Tacoma Intl
Apr 29
SEA3:55 pmSeattle/Tacoma Intl
5h 14m
IAD12:09 amWashington, D.C. Dulles Intl
$292

American Airlines flights from Maryland to Seattle

Our best American Airlines deals on Maryland to Seattle flight tickets
American Airlines
Apr 25
BWI7:17 pmBaltimore/Washington
8h 27m
1 stop
SEA12:44 amSeattle/Tacoma Intl
Apr 29
SEA6:00 amSeattle/Tacoma Intl
9h 27m
1 stop
BWI6:27 pmBaltimore/Washington
$217
American Airlines
May 5
IAD7:00 amWashington, D.C. Dulles Intl
9h 15m
1 stop
SEA1:15 pmSeattle/Tacoma Intl
May 26
SEA11:24 pmSeattle/Tacoma Intl
8h 45m
1 stop
IAD11:09 amWashington, D.C. Dulles Intl
$264
American Airlines
Apr 15
IAD7:00 amWashington, D.C. Dulles Intl
9h 15m
1 stop
SEA1:15 pmSeattle/Tacoma Intl
Apr 21
SEA10:25 amSeattle/Tacoma Intl
10h 01m
1 stop
IAD11:26 pmWashington, D.C. Dulles Intl
$267

momondo 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, momondo users made 832,500 searches. Data last updated April 2, 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

BaltimoreSeattle

BWI - SEA

BWISEA

Baltimore/Washington

Sat 4/25

6:03 am-10:32 am

1 stop7h 29m

Seattle/Tacoma Intl

Wed 4/29

6:00 am-6:17 pm

1 stop9h 17m

$197

BaltimoreSeattle

BWI - SEA

BWISEA

Baltimore/Washington

Thu 4/23

4:45 pm-12:05 am

2 stops10h 20m

Seattle/Tacoma Intl

Sun 4/26

11:55 pm-11:50 am

1 stop8h 55m

$202

BaltimoreSeattle

BWI - SEA

BWISEA

Baltimore/Washington

Sat 4/25

1:30 pm-10:10 pm

2 stops11h 40m

Seattle/Tacoma Intl

Fri 5/1

9:40 am-11:30 pm

2 stops10h 50m

$207

Washington, D.C.Seattle

DCA - SEA

DCASEA

Washington, D.C. Reagan-National

Fri 4/17

1:59 pm-9:27 am

1 stop22h 28m

Seattle/Tacoma Intl

Tue 4/21

7:12 pm-9:59 pm

1 stop23h 47m

$216

Washington, D.C.Seattle

DCA - SEA

DCASEA

Washington, D.C. Reagan-National

Mon 4/27

7:59 am-3:05 pm

1 stop10h 06m

Seattle/Tacoma Intl

Mon 5/4

7:12 pm-9:58 pm

1 stop23h 46m

$217

BaltimoreSeattle

BWI - SEA

BWISEA

Baltimore/Washington

Sat 4/25

7:17 pm-12:44 am

1 stop8h 27m

Seattle/Tacoma Intl

Wed 4/29

6:00 am-6:27 pm

1 stop9h 27m

$217

Washington, D.C.Seattle

IAD - SEA

IADSEA

Washington, D.C. Dulles Intl

Thu 6/4

7:00 am-2:36 pm

1 stop10h 36m

Seattle/Tacoma Intl

Tue 6/9

7:40 am-3:49 pm

Nonstop5h 09m

$251

PhiladelphiaSeattle

PHL - SEA

PHLSEA

Philadelphia

Mon 4/13

8:53 pm-9:27 am

2 stops39h 34m

Seattle/Tacoma Intl

Tue 4/21

7:12 pm-5:34 am

1 stop31h 22m

$282

PhiladelphiaSeattle

PHL - SEA

PHLSEA

Philadelphia

Sat 4/18

10:54 am-9:27 am

2 stops25h 33m

Seattle/Tacoma Intl

Tue 4/21

7:12 pm-5:34 am

1 stop31h 22m

$283
Quickest round-trip

PhiladelphiaSeattle

PHL - SEA

PHLSEA

Philadelphia

Wed 5/6

6:08 pm-9:23 pm

Nonstop6h 15m

Seattle/Tacoma Intl

Fri 5/15

12:34 pm-8:55 pm

Nonstop5h 21m

$284

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Seattle from

How to get the cheapest flight ticket from Maryland to Seattle

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Seattle?

In general, February is the cheapest month to fly from Maryland to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $278. If you don’t want to visit Seattle in February, then you should wait until January to fly from Maryland, when ticket prices are also cheap, with an average price of $296.

What is the cheapest day to depart on your flight to Seattle?

On average, the least expensive day to fly to Seattle from Maryland is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $436. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from Maryland because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $574.

What is the cheapest time of day to depart on your flight to Seattle?

Flying to Seattle from Maryland at noon is the least expensive time of day to depart. momondo users have found prices as low as $444 when looking at flights departing at noon. Flights to Seattle are more costly in the morning, with an average ticket price of $486. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Maryland to Seattle/Tacoma Intl flight route?

Fly from Baltimore/Washington to Seattle/Tacoma Intl for the best Maryland - Seattle/Tacoma Intl flight prices

How far in advance should I book a flight to Seattle?

You are more likely to see cheaper flights to Seattle from Maryland when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $373 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Maryland for as low as $311 on momondo.

What cabin class options are available on Maryland to Seattle/Tacoma Intl flights?

There are 4 cabin classes available to choose from on Maryland to Seattle/Tacoma Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap Maryland to Seattle flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Maryland to Seattle

Best Price Found

$262

Fastest flight time

5h 35m

Direct flights

Every day

Airports in Seattle

1 airport
The best one-way flight to Seattle from Maryland in the past 72 hours is $262. The best round-trip flight deal from Maryland to Seattle found on momondo in the last 72 hours is $389.
The fastest flight from Maryland to Seattle takes 5h 35m
Direct flights go from Maryland to Seattle every day.
There is 1 airport in Seattle. From Maryland there are direct flights to Seattle/Tacoma Intl (SEA).

Frequently asked questions about flying from Maryland to Seattle

  • When did momondo last update prices for flights from Maryland to Seattle/Tacoma Intl Airport?

    Prices for flights from Maryland to Seattle/Tacoma Intl Airport were last updated today.

  • How many operators does momondo search for flights from Maryland to Seattle/Tacoma Intl Airport?

  • How old do you have to be to fly from Maryland to Seattle/Tacoma Intl Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Maryland to Seattle/Tacoma Intl Airport.

  • What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

    The required travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Maryland to Seattle?

Best airlines flying from Maryland to Seattle

Compare and see reviews for airlines that fly from Maryland to Seattle with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $103Free CancellationRating
7.9
8,368 reviews
Search Delta flights
Spirit AirlinesPriceFrom $125Free CancellationRating
6.3
8,577 reviews
Search Spirit Airlines flights
FrontierPriceFrom $134Free CancellationRating
5.7
3,004 reviews
Search Frontier flights
Hawaiian AirlinesPriceFrom $158Free CancellationRating
7.8
2,838 reviews
Search Hawaiian Airlines flights
American AirlinesPriceFrom $179Free CancellationRating
7.1
11,549 reviews
Search American Airlines flights
Sun Country AirPriceFrom $186Free CancellationRating
6.8
338 reviews
Search Sun Country Air flights
United AirlinesPriceFrom $228Free CancellationRating
7.4
9,535 reviews
Search United Airlines flights
SouthwestPriceFrom $236Free CancellationRating
8.0
4,337 reviews
Search Southwest flights
Alaska AirlinesPriceFrom $274Free CancellationRating
7.9
12,150 reviews
Search Alaska Airlines flights

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
Leavenworth
SeaTac
Ocean Shores
Renton
Olympia
Lynnwood
Kent
Redmond
Marysville
Puyallup
Cle Elum
Lakewood
Tukwila
Federal Way
Centralia
Fife
Westport
Kirkland
Tumwater

Why use momondo?

Why should I use momondo to find a flight deal from Maryland to Seattle?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Seattle from Maryland.

Can I find flights from Maryland to Seattle with flexible booking policies on momondo?

All flight searches from Maryland to Seattle on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Maryland to Seattle?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Seattle from Maryland.

I’m not ready to book a flight from Maryland to Seattle right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Seattle, momondo offers a useful price alert feature which will track prices for flights to Seattle from Maryland and alert you when they change.

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1 adult
Sat 5/2
Sat 5/9

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