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

Delta, Southwest, and United Airlines are the most popular carriers operating from Seattle/Tacoma Intl to Maryland

What airlines fly to Maryland?

Alaska Airlines, Delta and Southwest 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 71% of people opting to fly with this airline when traveling to Maryland. Keep in mind that there are 7 different airlines that fly to Maryland on a routine basis, so you have a few additional options to choose from.

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

As of May 2026, 24 flights take off from Seattle and land in Maryland each day. The most common flight departure time for this route is 10:00PM, with 41% of daily flights taking off in the evening.

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

As of May 2026, there are 170 flights per week flying from Seattle to Maryland. The most common day of the week flights depart is Wed, with 22% of flights taking off on this day.

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 7 operators available for flights from Seattle/Tacoma Intl Airport to Maryland as of May 2026.

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.

$114 Cheap Flights from Seattle to Maryland in 2026

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Find the cheapest flights from Seattle to Maryland

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

10:30 pm - 6:30 am

SEA

BWI

5h 00mnonstop

6:05 pm - 11:35 pm

BWI

SEA

8h 30m

1 stop

$217Southwest

Wed, Aug 19 - Tue, Aug 25

5:20 am - 4:25 pm

SEA

BWI

8h 05m

2 stops

10:20 am - 1:00 pm

BWI

SEA

5h 40mnonstop

$222Southwest

Wed, Sep 9 - Tue, Sep 15

7:50 pm - 6:20 am

SEA

BWI

7h 30m

1 stop

6:08 am - 10:22 am

BWI

SEA

7h 14m

1 stop

$227Delta

Fri, Aug 21 - Mon, Aug 24

10:21 pm - 6:28 am

SEA

BWI

5h 07mnonstop

6:18 pm - 9:00 pm

BWI

SEA

5h 42mnonstop

$252Alaska Airlines

Wed, Sep 9 - Tue, Sep 15

7:50 pm - 6:20 am

SEA

BWI

7h 30m

1 stop

6:00 am - 12:11 pm

BWI

SEA

9h 11m

1 stop

$253Delta

Fri, Aug 21 - Mon, Aug 31

5:10 am - 3:14 pm

SEA

BWI

7h 04m

1 stop

6:41 pm - 11:59 pm

BWI

SEA

8h 18m

1 stop

$263American Airlines

Wed, Aug 26 - Sun, Sep 6

8:38 am - 4:44 pm

SEA

IAD

5h 06mnonstop

7:00 am - 9:37 am

IAD

SEA

5h 37mnonstop

$295Alaska Airlines

Thu, Sep 3 - Mon, Sep 7

5:15 am - 4:13 pm

SEA

DCA

7h 58m

1 stop

6:58 pm - 12:59 am

DCA

SEA

9h 01m

1 stop

$295American Airlines

Thu, Jun 11 - Tue, Jun 16

11:00 pm - 9:23 am

SEA

IAD

7h 23m

1 stop

5:33 pm - 8:18 pm

IAD

SEA

5h 45mnonstop

$302United Airlines

Thu, Aug 27 - Sun, Aug 30

11:00 pm - 9:28 am

SEA

IAD

7h 28m

1 stop

6:15 am - 11:32 am

IAD

SEA

8h 17m

1 stop

$304United Airlines

Fri, Aug 21 - Sun, Aug 23

Delta flights from Seattle to Maryland

Our best Delta deals on Seattle to Maryland flight tickets

Delta

Aug 21

SEA7:50 pmSeattle/Tacoma Intl

7h 30m

1 stop

BWI6:20 amBaltimore/Washington

Aug 24

BWI6:08 amBaltimore/Washington

7h 14m

1 stop

SEA10:22 amSeattle/Tacoma Intl

$227

Delta

Aug 21

SEA7:50 pmSeattle/Tacoma Intl

7h 30m

1 stop

BWI6:20 amBaltimore/Washington

Sep 19

BWI5:30 pmBaltimore/Washington

7h 35m

1 stop

SEA10:05 pmSeattle/Tacoma Intl

$253

Delta

Aug 21

SEA7:50 pmSeattle/Tacoma Intl

7h 30m

1 stop

BWI6:20 amBaltimore/Washington

Aug 24

BWI6:08 amBaltimore/Washington

7h 14m

1 stop

SEA10:22 amSeattle/Tacoma Intl

$279

Alaska Airlines flights from Seattle to Maryland

Our best Alaska Airlines deals on Seattle to Maryland flight tickets

Alaska Airlines

Sep 9

SEA10:21 pmSeattle/Tacoma Intl

5h 07m

BWI6:28 amBaltimore/Washington

Sep 16

BWI6:18 pmBaltimore/Washington

5h 42m

SEA9:00 pmSeattle/Tacoma Intl

$252

Alaska Airlines

Sep 11

SEA10:21 pmSeattle/Tacoma Intl

5h 07m

BWI6:28 amBaltimore/Washington

Sep 15

BWI6:18 pmBaltimore/Washington

5h 42m

SEA9:00 pmSeattle/Tacoma Intl

$292

Alaska Airlines

Sep 3

SEA8:38 amSeattle/Tacoma Intl

5h 06m

IAD4:44 pmWashington, D.C. Dulles Intl

Sep 7

IAD7:00 amWashington, D.C. Dulles Intl

5h 37m

SEA9:37 amSeattle/Tacoma Intl

$295

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleBaltimore

SEA - BWI

SEABWI

Seattle/Tacoma Intl

Wed 8/19

10:30 pm-6:30 am

Nonstop5h 00m

Baltimore/Washington

Tue 8/25

6:05 pm-11:35 pm

1 stop8h 30m

$217

SeattleBaltimore

SEA - BWI

SEABWI

Seattle/Tacoma Intl

Wed 9/9

5:20 am-4:25 pm

2 stops8h 05m

Baltimore/Washington

Tue 9/15

10:20 am-1:00 pm

Nonstop5h 40m

$222

SeattleBaltimore

SEA - BWI

SEABWI

Seattle/Tacoma Intl

Fri 8/21

7:50 pm-6:20 am

1 stop7h 30m

Baltimore/Washington

Mon 8/24

6:08 am-10:22 am

1 stop7h 14m

$227

SeattleBaltimore

SEA - BWI

SEABWI

Seattle/Tacoma Intl

Wed 9/9

10:21 pm-6:28 am

Nonstop5h 07m

Baltimore/Washington

Tue 9/15

6:18 pm-9:00 pm

Nonstop5h 42m

$252

SeattleBaltimore

SEA - BWI

SEABWI

Seattle/Tacoma Intl

Fri 8/21

7:50 pm-6:20 am

1 stop7h 30m

Baltimore/Washington

Mon 8/31

6:00 am-12:11 pm

1 stop9h 11m

$253

SeattleBaltimore

SEA - BWI

SEABWI

Seattle/Tacoma Intl

Wed 8/26

5:10 am-3:14 pm

1 stop7h 04m

Baltimore/Washington

Sun 9/6

6:41 pm-11:59 pm

1 stop8h 18m

$263

Quickest round-trip

SeattleWashington, D.C.

SEA - IAD

SEAIAD

Seattle/Tacoma Intl

Thu 9/3

8:38 am-4:44 pm

Nonstop5h 06m

Washington, D.C. Dulles Intl

Mon 9/7

7:00 am-9:37 am

Nonstop5h 37m

$295

SeattleWashington, D.C.

SEA - DCA

SEADCA

Seattle/Tacoma Intl

Thu 6/11

5:15 am-4:13 pm

1 stop7h 58m

Washington, D.C. Reagan-National

Tue 6/16

6:58 pm-12:59 am

1 stop9h 01m

$295

SeattleWashington, D.C.

SEA - IAD

SEAIAD

Seattle/Tacoma Intl

Thu 8/27

11:00 pm-9:23 am

1 stop7h 23m

Washington, D.C. Dulles Intl

Sun 8/30

5:33 pm-8:18 pm

Nonstop5h 45m

$302

SeattleWashington, D.C.

SEA - IAD

SEAIAD

Seattle/Tacoma Intl

Fri 8/21

11:00 pm-9:28 am

1 stop7h 28m

Washington, D.C. Dulles Intl

Sun 8/23

6:15 am-11:32 am

1 stop8h 17m

$304

Flights are sorted by cheapest round-trip flights first.

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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 December. Flight prices, which tend to average around $89, are often lower during this time because this is during the off-season. If you don’t want to visit Maryland in December, then you should wait until November to fly from Seattle, when ticket prices are also cheap, with an average price of $92.

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

The cheapest day to depart from Seattle to Maryland is on a Wednesday. Travelers who choose to depart for Maryland on a Wednesday will often find tickets for as low as $420. The most expensive day to fly to Maryland is Sunday, with ticket prices averaging around $594.

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 $358. In contrast, the most expensive time of day to depart to Maryland is in the morning when prices are around $497.

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 from Seattle 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 $430 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 $340 on momondo.

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

There are 4 cabin classes available to choose from on Seattle to Maryland 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 Seattle to Maryland flights?

You could potentially save up to 5% on your flight if you consider stops on a Seattle to Maryland flight.

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 55m
Direct flights	Every day
Airports in Maryland	112 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 $447.

The fastest flight from Seattle to Maryland takes 4h 55m

Direct flights go from Seattle to Maryland every day.

There are 112 airports in Maryland. From Seattle there are direct flights to Washington, D.C. Reagan-National (DCA), Baltimore/Washington (BWI), Washington, D.C. Dulles Intl (IAD).

Search flight deals

Frequently asked questions about flying from Seattle to Maryland

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 7 operators available for flights from Seattle/Tacoma Intl Airport to Maryland as of May 2026.
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 31.12% of all bookings. The subsequent popular models are Boeing 737 MAX 9 at 17.31%, Boeing 737 MAX 8 at 11.79%, and Boeing 737 at 11.23%.

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
Delta	PriceFrom $103	Free Cancellation	Rating 7.9 8,452 reviews	Search Delta flights
Hawaiian Airlines	PriceFrom $128	Free Cancellation	Rating 7.8 2,836 reviews	Search Hawaiian Airlines flights
Frontier	PriceFrom $139	Free Cancellation	Rating 5.6 2,945 reviews	Search Frontier flights
American Airlines	PriceFrom $178	Free Cancellation	Rating 7.1 11,643 reviews	Search American Airlines flights
Southwest	PriceFrom $187	Free Cancellation	Rating 7.9 4,284 reviews	Search Southwest flights
United Airlines	PriceFrom $226	Free Cancellation	Rating 7.4 9,739 reviews	Search United Airlines flights
Alaska Airlines	PriceFrom $245	Free Cancellation	Rating 7.9 12,386 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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Flights to Dallasfrom $96

Cheap flights from Seattle to Maryland from $114

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 7/14. 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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Delta flights from Seattle to Maryland

Our best Delta deals on Seattle to Maryland flight tickets

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Our best Alaska Airlines deals on Seattle to Maryland flight tickets

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See travel insights to Maryland from

How to get the cheapest flight ticket from Seattle to Maryland

What is the cheapest month to fly to Maryland?

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

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

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

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

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

Can stopping save me money on Seattle to Maryland flights?

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

What airlines fly to Maryland?

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

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

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

Frequently asked questions about flying 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?

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

Seattle flight routes

According to popular flight searches on momondo this year

Maryland flight routes

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