What is the cheapest airline that flies from Seattle/Tacoma Intl to Maryland?

American Airlines, Frontier, and Sun Country Air are the most popular carriers operating from Seattle/Tacoma Intl to Maryland

How many flights depart from Seattle to Maryland on average per week?

As of September 2025, there are 338 flights per week flying from Seattle to Maryland. The most common day of the week flights depart is Thu, with 16% of flights taking off on this day.

How many flights depart from Seattle to Maryland on average per day?

As of September 2025, 48 flights take off from Seattle and land in Maryland each day. The most common flight departure time for this route is 9:00PM, with 55% of daily flights taking off in the evening.

What airlines fly to Maryland?

Alaska Airlines, Delta and Hawaiian Airlines are the top three most popular airlines that fly to Maryland from Seattle according to our data. Alaska Airlines is the first choice among our users, with 64% of people opting to fly with this airline when traveling to Maryland. Keep in mind that there are 8 different airlines that fly to Maryland on a routine basis, so you have a few additional options to choose from.

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

Prices for flights from Seattle/Tacoma Intl Airport to Maryland are updated daily.

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

There are 8 operators available for flights from Seattle/Tacoma Intl Airport to Maryland as of September 2025.

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

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 Seattle/Tacoma Intl Airport to Maryland.

What documentation or ID do you need to fly to Maryland?

The necessary travel and health documents for your Maryland trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$139 Cheap Flights from Seattle to Maryland in 2025/26

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Find the cheapest flights from Seattle to Maryland

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

5:00 am - 5:26 pmSEA-BWI

9h 26m2 stops

8:30 am - 4:15 pmBWI-SEA

10h 45m1 stop

$214United Airlines

Find Deal

Tue, Oct 21 - Tue, Oct 28

5:20 pm - 5:40 amSEA-BWI

9h 20m1 stop

8:30 am - 4:15 pmBWI-SEA

10h 45m1 stop

$219United Airlines

Find Deal

Mon, Oct 27 - Thu, Oct 30

12:34 am - 11:20 amSEA-BWI

7h 46m1 stop

5:04 am - 12:53 pmBWI-SEA

10h 49m1 stop

$228American Airlines

Find Deal

Fri, Oct 31 - Sat, Nov 8

9:55 am - 5:55 pmSEA-BWI

5h 00mnonstop

6:55 pm - 9:53 pmBWI-SEA

5h 58mnonstop

$239Alaska Airlines

Find Deal

Wed, Jan 7 - Wed, Jan 21

10:07 pm - 6:12 amSEA-BWI

5h 05mnonstop

7:38 am - 10:30 amBWI-SEA

5h 52mnonstop

$257Alaska Airlines

Find Deal

Tue, Oct 21 - Wed, Oct 29

4:48 pm - 12:40 amSEA-IAD

4h 52mnonstop

7:35 am - 10:28 amIAD-SEA

5h 53mnonstop

$259Delta

Find Deal

Fri, Oct 10 - Fri, Oct 17

11:25 pm - 7:33 amSEA-IAD

5h 08mnonstop

6:25 am - 9:08 amIAD-SEA

5h 43mnonstop

$261Hawaiian Airlines

Find Deal

Mon, Oct 6 - Tue, Oct 14

4:48 pm - 12:40 amSEA-IAD

4h 52mnonstop

7:35 am - 10:28 amIAD-SEA

5h 53mnonstop

$262Delta

Find Deal

Wed, Oct 8 - Wed, Oct 15

12:34 am - 11:20 amSEA-BWI

7h 46m1 stop

3:23 pm - 11:42 pmBWI-SEA

11h 19m1 stop

$263American Airlines

Find Deal

Fri, Oct 17 - Tue, Nov 11

9:55 am - 9:10 pmSEA-DCA

8h 15m1 stop

5:30 pm - 8:25 pmDCA-SEA

5h 55mnonstop

$267Hawaiian Airlines

Find Deal

Wed, Jan 7 - Wed, Jan 21

American Airlines flights from Seattle to Maryland

Our best American Airlines deals on Seattle to Maryland flight tickets

American Airlines

Oct 31

SEA12:34 amSeattle/Tacoma Intl

7h 46m

1 stop

BWI11:20 amBaltimore/Washington

Nov 8

BWI5:04 amBaltimore/Washington

10h 49m

1 stop

SEA12:53 pmSeattle/Tacoma Intl

$228

Find similar

American Airlines

Oct 17

SEA12:34 amSeattle/Tacoma Intl

7h 46m

1 stop

BWI11:20 amBaltimore/Washington

Nov 11

BWI3:23 pmBaltimore/Washington

11h 19m

1 stop

SEA11:42 pmSeattle/Tacoma Intl

$263

Find similar

American Airlines

Oct 20

SEA12:34 amSeattle/Tacoma Intl

7h 46m

1 stop

BWI11:20 amBaltimore/Washington

Oct 24

BWI6:13 pmBaltimore/Washington

9h 14m

1 stop

SEA12:27 amSeattle/Tacoma Intl

$272

Find similar

JetBlue flights from Seattle to Maryland

Our best JetBlue deals on Seattle to Maryland flight tickets

JetBlue

Sep 24

SEA11:30 amSeattle/Tacoma Intl

24h 30m

1 stop

PHL3:00 pmPhiladelphia

Oct 1

PHL3:55 pmPhiladelphia

21h 39m

1 stop

SEA10:34 amSeattle/Tacoma Intl

$428

Find similar

JetBlue

Sep 24

SEA11:30 amSeattle/Tacoma Intl

18h 52m

1 stop

PHL9:22 amPhiladelphia

Oct 1

PHL10:20 amPhiladelphia

27h 14m

1 stop

SEA10:34 amSeattle/Tacoma Intl

$473

Find similar

JetBlue

Sep 23

SEA11:30 amSeattle/Tacoma Intl

26h 45m

1 stop

PHL5:15 pmPhiladelphia

Sep 28

PHL7:00 amPhiladelphia

30h 19m

1 stop

SEA10:19 amSeattle/Tacoma Intl

$503

Find similar

Fly from

Fly to

Route

Depart

Return

Price

SeattleBaltimore

SEA - BWI

SEABWI

Seattle/Tacoma Intl

Tue 10/21

5:00 am-5:26 pm

2 stops9h 26m

Baltimore/Washington

Tue 10/28

8:30 am-4:15 pm

1 stop10h 45m

$214

SeattleBaltimore

SEA - BWI

SEABWI

Seattle/Tacoma Intl

Mon 10/27

5:20 pm-5:40 am

1 stop9h 20m

Baltimore/Washington

Thu 10/30

8:30 am-4:15 pm

1 stop10h 45m

$219

SeattleBaltimore

SEA - BWI

SEABWI

Seattle/Tacoma Intl

Fri 10/31

12:34 am-11:20 am

1 stop7h 46m

Baltimore/Washington

Sat 11/8

5:04 am-12:53 pm

1 stop10h 49m

$228

SeattleBaltimore

SEA - BWI

SEABWI

Seattle/Tacoma Intl

Wed 1/7

9:55 am-5:55 pm

Nonstop5h 00m

Baltimore/Washington

Wed 1/21

6:55 pm-9:53 pm

Nonstop5h 58m

$239

SeattleBaltimore

SEA - BWI

SEABWI

Seattle/Tacoma Intl

Tue 10/21

10:07 pm-6:12 am

Nonstop5h 05m

Baltimore/Washington

Wed 10/29

7:38 am-10:30 am

Nonstop5h 52m

$257

SeattleWashington, D.C.

SEA - IAD

SEAIAD

Seattle/Tacoma Intl

Fri 10/10

4:48 pm-12:40 am

Nonstop4h 52m

Washington, D.C. Dulles Intl

Fri 10/17

7:35 am-10:28 am

Nonstop5h 53m

$259

SeattleWashington, D.C.

SEA - IAD

SEAIAD

Seattle/Tacoma Intl

Mon 10/6

11:25 pm-7:33 am

Nonstop5h 08m

Washington, D.C. Dulles Intl

Tue 10/14

6:25 am-9:08 am

Nonstop5h 43m

$261

SeattleWashington, D.C.

SEA - IAD

SEAIAD

Seattle/Tacoma Intl

Wed 10/8

4:48 pm-12:40 am

Nonstop4h 52m

Washington, D.C. Dulles Intl

Wed 10/15

7:35 am-10:28 am

Nonstop5h 53m

$262

SeattleBaltimore

SEA - BWI

SEABWI

Seattle/Tacoma Intl

Fri 10/17

12:34 am-11:20 am

1 stop7h 46m

Baltimore/Washington

Tue 11/11

3:23 pm-11:42 pm

1 stop11h 19m

$263

SeattleWashington, D.C.

SEA - DCA

SEADCA

Seattle/Tacoma Intl

Wed 1/7

9:55 am-9:10 pm

1 stop8h 15m

Washington, D.C. Reagan-National

Wed 1/21

5:30 pm-8:25 pm

Nonstop5h 55m

$267

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How to get the cheapest flight ticket from Seattle to Maryland

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

Prices

Airlines

Other information

What is the cheapest month to fly to Maryland?

The cheapest month to fly to Maryland from Seattle is in August. Flight prices, which tend to average around $347, are often lower during this time because this is during the off-season. If you don’t want to visit Maryland in August, then you should wait until March to fly from Seattle, when ticket prices are also cheap, with an average price of $357.

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

The cheapest day to depart from Seattle to Maryland is on a Thursday. Travelers who choose to depart for Maryland on a Thursday will often find tickets for as low as $447. The most expensive day to fly to Maryland is Sunday, with ticket prices averaging around $582.

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

Our most recent data shows that the best time of day to fly to Maryland is in the afternoon. Flights from Seattle to Maryland during this time can be as low as $365. In contrast, the most expensive time of day to depart to Maryland is in the morning when prices are around $504.

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

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

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

You are more likely to see cheaper flights to Maryland from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Maryland for around $398 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Maryland from Seattle for as low as $321 on momondo.

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

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

Cheap Seattle to Maryland flight deals and tips

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

Best Price Found	$229
Fastest flight time	4h 52m
Direct flights	Every day
Airports in Maryland	3 airports

The best one-way flight to Maryland from Seattle in the past 72 hours is $229. The best round-trip flight deal from Seattle to Maryland found on momondo in the last 72 hours is $305.

The fastest flight from Seattle to Maryland takes 4h 52m

Direct flights go from Seattle to Maryland every day.

There are 3 airports near Maryland: Baltimore/Washington (BWI), Philadelphia (PHL), Washington, D.C. Dulles Intl (IAD)

Search flight deals

When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Maryland?
Prices for flights from Seattle/Tacoma Intl Airport to Maryland are updated daily.
How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Maryland?
There are 8 operators available for flights from Seattle/Tacoma Intl Airport to Maryland as of September 2025.
How old do you have to be to fly from Seattle/Tacoma Intl Airport to Maryland?
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 Seattle/Tacoma Intl Airport to Maryland.
What documentation or ID do you need to fly to Maryland?
The necessary travel and health documents for your Maryland trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Seattle to Maryland?
momondo data reveals that the most frequently booked plane model on the route from Seattle to Maryland is Boeing 737-800 Passenger/BBJ2 (winglets), representing 26.87% of all bookings. The subsequent popular models are Boeing 737 MAX 9 at 24.93%, Boeing 737 at 15.92%, and Boeing 737-900 Passenger/BBJ3 (winglets) at 9.22%.

Best airlines flying from Seattle to Maryland

Compare and see reviews for airlines that fly from Seattle to Maryland with momondo

Airline	Rating	Free Cancellation	Price
Spirit Airlines	PriceFrom $130	Free Cancellation	Rating 6.3 8,030 reviews	Search Spirit Airlines flights
Frontier	PriceFrom $139	Free Cancellation	Rating 5.8 3,171 reviews	Search Frontier flights
Hawaiian Airlines	PriceFrom $153	Free Cancellation	Rating 7.8 2,732 reviews	Search Hawaiian Airlines flights
Delta	PriceFrom $206	Free Cancellation	Rating 7.9 7,964 reviews	Search Delta flights
American Airlines	PriceFrom $206	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
United Airlines	PriceFrom $262	Free Cancellation	Rating 7.4 8,926 reviews	Search United Airlines flights
Southwest	PriceFrom $266	Free Cancellation	Rating 8.0 4,242 reviews	Search Southwest flights
Alaska Airlines	PriceFrom $277	Free Cancellation	Rating 8.0 10,000 reviews	Search Alaska Airlines flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Seattle to Maryland for you.

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

Yes. All flights to Maryland from Seattle on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

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 Maryland from Seattle.

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

Price alerts on flights to Maryland from Seattle are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Find better results for your trip to Maryland

Popular cities in Maryland

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Cheap flights from Seattle to Maryland from $139

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Maryland departing on 10/7. 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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Big names and deals

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Filter for what you want

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American Airlines flights from Seattle to Maryland

Our best American Airlines deals on Seattle to Maryland flight tickets

JetBlue flights from Seattle to Maryland

Our best JetBlue deals on Seattle to Maryland flight tickets

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How to get the cheapest flight ticket from Seattle to Maryland

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 Maryland?

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

The cheapest day to depart from Seattle to Maryland is on a Thursday. Travelers who choose to depart for Maryland on a Thursday will often find tickets for as low as $447. The most expensive day to fly to Maryland is Sunday, with ticket prices averaging around $582.

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

Our most recent data shows that the best time of day to fly to Maryland is in the afternoon. Flights from Seattle to Maryland during this time can be as low as $365. In contrast, the most expensive time of day to depart to Maryland is in the morning when prices are around $504.

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

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

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

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

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

What is the cheapest airline that flies from Seattle/Tacoma Intl to Maryland?

American Airlines, Frontier, and Sun Country Air are the most popular carriers operating from Seattle/Tacoma Intl to Maryland

What airlines fly to Maryland?

How many flights depart from Seattle to Maryland on average per day?

As of September 2025, 48 flights take off from Seattle and land in Maryland each day. The most common flight departure time for this route is 9:00PM, with 55% of daily flights taking off in the evening.

How many flights depart from Seattle to Maryland on average per week?

As of September 2025, there are 338 flights per week flying from Seattle to Maryland. The most common day of the week flights depart is Thu, with 16% of flights taking off on this day.

Cheap Seattle to Maryland flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

Airports in Maryland

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

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

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

What documentation or ID do you need to fly to Maryland?

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

Best airlines flying from Seattle to Maryland

Compare and see reviews for airlines that fly from Seattle to Maryland with momondo

Why use momondo?

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

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

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

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

An easier way to manage your Maryland trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Maryland

Popular cities in Maryland

Popular flights according to clicks in the last 7 days on momondo