Cheap flights from Maryland to Seattle from $89

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 2/8. 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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Enter your travel dates to find the best prices.
Delta Logo
7:15 am - 2:59 pmBWI-SEA
10h 44m1 stop
Delta Logo
11:55 pm - 10:47 amSEA-BWI
7h 52m1 stop
$217Delta
Find Deal
Wed, Dec 3 - Wed, Dec 3
Southwest Logo
5:40 pm - 12:35 amBWI-SEA
9h 55m1 stop
Southwest Logo
5:45 am - 4:00 pmSEA-BWI
7h 15m1 stop
$218Southwest
Find Deal
Mon, Nov 10 - Sat, Nov 15
American Airlines Logo
7:07 pm - 12:58 amBWI-SEA
8h 51m1 stop
American Airlines Logo
12:59 am - 11:26 amSEA-BWI
7h 27m1 stop
$228American Airlines
Find Deal
Thu, Nov 6 - Wed, Nov 12
Multiple Airlines Logo
6:00 am - 6:22 pmBWI-SEA
15h 22m1 stop
Multiple Airlines Logo
7:17 pm - 3:35 pmSEA-BWI
17h 18m2 stops
$229Multiple Airlines
Find Deal
Thu, Nov 6 - Thu, Nov 13
Frontier Logo
7:00 am - 12:07 pmDCA-SEA
8h 07m1 stop
Frontier Logo
12:58 pm - 1:02 pmSEA-DCA
21h 04m1 stop
$230Frontier
Find Deal
Wed, Oct 22 - Wed, Oct 29
Frontier Logo
2:00 pm - 11:57 amDCA-SEA
24h 57m1 stop
Frontier Logo
1:37 pm - 1:02 pmSEA-DCA
20h 25m1 stop
$231Frontier
Find Deal
Sat, Nov 8 - Tue, Nov 11
Hawaiian Airlines Logo
7:43 am - 10:35 amIAD-SEA
5h 52mnonstop
Hawaiian Airlines Logo
10:29 pm - 6:23 amSEA-IAD
4h 54mnonstop
$231Hawaiian Airlines
Find Deal
Wed, Nov 5 - Wed, Nov 12
Hawaiian Airlines Logo
6:13 pm - 9:12 pmIAD-SEA
5h 59mnonstop
Hawaiian Airlines Logo
10:29 pm - 6:23 amSEA-IAD
4h 54mnonstop
$232Hawaiian Airlines
Find Deal
Sat, Nov 1 - Sat, Nov 8
Multiple Airlines Logo
9:42 pm - 8:48 amBWI-SEA
14h 06m1 stop
Multiple Airlines Logo
6:22 pm - 10:38 amSEA-BWI
13h 16m1 stop
$232Multiple Airlines
Find Deal
Thu, Oct 23 - Thu, Oct 30
American Airlines Logo
7:07 pm - 12:58 amBWI-SEA
8h 51m1 stop
American Airlines Logo
1:53 pm - 12:30 amSEA-BWI
7h 37m1 stop
$247American Airlines
Find Deal
Thu, Nov 6 - Sun, Nov 9

Southwest flights from Maryland to Seattle

Our best Southwest deals on Maryland to Seattle flight tickets
Southwest
Nov 10
BWI5:40 pmBaltimore/Washington
9h 55m
1 stop
SEA12:35 amSeattle/Tacoma Intl
Nov 15
SEA5:45 amSeattle/Tacoma Intl
7h 15m
1 stop
BWI4:00 pmBaltimore/Washington
Southwest
Oct 21
BWI12:35 pmBaltimore/Washington
12h 25m
2 stops
SEA10:00 pmSeattle/Tacoma Intl
Oct 28
SEA1:20 pmSeattle/Tacoma Intl
12h 55m
2 stops
BWI5:15 amBaltimore/Washington
Southwest
Oct 22
BWI6:50 amBaltimore/Washington
16h 55m
2 stops
SEA8:45 pmSeattle/Tacoma Intl
Nov 1
SEA5:30 pmSeattle/Tacoma Intl
8h 40m
1 stop
BWI5:10 amBaltimore/Washington

Delta flights from Maryland to Seattle

Our best Delta deals on Maryland to Seattle flight tickets
Delta
Dec 3
BWI7:15 amBaltimore/Washington
10h 44m
1 stop
SEA2:59 pmSeattle/Tacoma Intl
Dec 3
SEA11:55 pmSeattle/Tacoma Intl
7h 52m
1 stop
BWI10:47 amBaltimore/Washington
Delta
Oct 22
BWI7:15 amBaltimore/Washington
10h 30m
1 stop
SEA2:45 pmSeattle/Tacoma Intl
Nov 1
SEA5:00 pmSeattle/Tacoma Intl
10h 00m
1 stop
BWI6:00 amBaltimore/Washington
Delta
Oct 22
BWI7:15 amBaltimore/Washington
10h 30m
1 stop
SEA2:45 pmSeattle/Tacoma Intl
Nov 3
SEA5:55 pmSeattle/Tacoma Intl
9h 05m
1 stop
BWI6:00 amBaltimore/Washington

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 October 9, 2025.
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

BaltimoreSeattle

BWI - SEA

BWISEA

Baltimore/Washington

Wed 12/3

7:15 am-2:59 pm

1 stop10h 44m

Seattle/Tacoma Intl

Wed 12/3

11:55 pm-10:47 am

1 stop7h 52m

$217

BaltimoreSeattle

BWI - SEA

BWISEA

Baltimore/Washington

Mon 11/10

5:40 pm-12:35 am

1 stop9h 55m

Seattle/Tacoma Intl

Sat 11/15

5:45 am-4:00 pm

1 stop7h 15m

$218

BaltimoreSeattle

BWI - SEA

BWISEA

Baltimore/Washington

Thu 11/6

7:07 pm-12:58 am

1 stop8h 51m

Seattle/Tacoma Intl

Wed 11/12

12:59 am-11:26 am

1 stop7h 27m

$228

BaltimoreSeattle

BWI - SEA

BWISEA

Baltimore/Washington

Thu 11/6

6:00 am-6:22 pm

1 stop15h 22m

Seattle/Tacoma Intl

Thu 11/13

7:17 pm-3:35 pm

2 stops17h 18m

$229

Washington, D.C.Seattle

DCA - SEA

DCASEA

Washington, D.C. Reagan-National

Wed 10/22

7:00 am-12:07 pm

1 stop8h 07m

Seattle/Tacoma Intl

Wed 10/29

12:58 pm-1:02 pm

1 stop21h 04m

$230

Washington, D.C.Seattle

DCA - SEA

DCASEA

Washington, D.C. Reagan-National

Sat 11/8

2:00 pm-11:57 am

1 stop24h 57m

Seattle/Tacoma Intl

Tue 11/11

1:37 pm-1:02 pm

1 stop20h 25m

$231

Washington, D.C.Seattle

IAD - SEA

IADSEA

Washington, D.C. Dulles Intl

Wed 11/5

7:43 am-10:35 am

Nonstop5h 52m

Seattle/Tacoma Intl

Wed 11/12

10:29 pm-6:23 am

Nonstop4h 54m

$231

Washington, D.C.Seattle

IAD - SEA

IADSEA

Washington, D.C. Dulles Intl

Sat 11/1

6:13 pm-9:12 pm

Nonstop5h 59m

Seattle/Tacoma Intl

Sat 11/8

10:29 pm-6:23 am

Nonstop4h 54m

$232

BaltimoreSeattle

BWI - SEA

BWISEA

Baltimore/Washington

Thu 10/23

9:42 pm-8:48 am

1 stop14h 06m

Seattle/Tacoma Intl

Thu 10/30

6:22 pm-10:38 am

1 stop13h 16m

$232

BaltimoreSeattle

BWI - SEA

BWISEA

Baltimore/Washington

Thu 11/6

7:07 pm-12:58 am

1 stop8h 51m

Seattle/Tacoma Intl

Sun 11/9

1:53 pm-12:30 am

1 stop7h 37m

$247

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, September 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 $337. If you don’t want to visit Seattle in September, then you should wait until October to fly from Maryland, when ticket prices are also cheap, with an average price of $377.

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 $441. 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 $583.

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

Flying to Seattle from Maryland in the evening is the least expensive time of day to depart. momondo users have found prices as low as $424 when looking at flights departing in the evening. Flights to Seattle are more costly in the morning, with an average ticket price of $522. 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 $410 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 $334 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.

Can stopping save me money on Maryland to Seattle flights?

No. A direct flight is the cheapest option for a flight between Maryland to Seattle.

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

$211

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 $211. The best round-trip flight deal from Maryland to Seattle found on momondo in the last 72 hours is $370.
The fastest flight from Maryland to Seattle takes 5h 35m
Direct flights go from Maryland to Seattle every day.
There is 1 airport near Seattle: Seattle/Tacoma Intl (SEA)
  • 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
Spirit AirlinesPriceFrom $126Free CancellationRating
6.3
8,087 reviews
Search Spirit Airlines flights
FrontierPriceFrom $137Free CancellationRating
5.8
3,143 reviews
Search Frontier flights
American AirlinesPriceFrom $206Free CancellationRating
7.2
11,043 reviews
Search American Airlines flights
DeltaPriceFrom $206Free CancellationRating
7.9
7,971 reviews
Search Delta flights
Hawaiian AirlinesPriceFrom $231Free CancellationRating
7.8
2,775 reviews
Search Hawaiian Airlines flights
SouthwestPriceFrom $238Free CancellationRating
8.0
4,236 reviews
Search Southwest flights
United AirlinesPriceFrom $238Free CancellationRating
7.4
8,966 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $280Free CancellationRating
8.0
11,049 reviews
Search Alaska Airlines flights
Sun Country AirPriceFrom $313Free CancellationRating
6.9
335 reviews
Search Sun Country Air 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
Marysville
Puyallup
Federal Way
Tukwila
Kirkland
Fife
Centralia
Lakewood
Shoreline
Cle Elum
Redmond
Westport

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 11/8
Sat 11/15

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