Which layover airport offers the lowest fares from Seattle to Baltimore?

Flights via Charlotte (CLT) offer the lowest average round-trip price of $178.

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

As of November 2025, 20 flights take off from Seattle and land in Baltimore each week. The most common flight departure day for this route is Thu, with 25% of weekly flights taking off on this day.

Which airport is the most popular layover for flights between Seattle and Baltimore?

Denver (DEN) was the most common stop: 33% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport has the shortest travel time from Seattle to Baltimore?

Flights connecting via Minneapolis (MSP) have the shortest average one-way travel time: 6h 58m.

What airlines fly to Baltimore?

Alaska Airlines, Delta and United Airlines are the top three most popular airlines that fly to Baltimore from Seattle according to our data. Alaska Airlines is the first choice among our users, with 52% of people opting to fly with this airline when traveling to Baltimore. Keep in mind that there are 8 different airlines that fly to Baltimore on a routine basis, so you have a few additional options to choose from.

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

United Airlines, American Airlines, and Southwest are the most popular carriers operating from Seattle/Tacoma Intl to Baltimore/Washington

Which layover airport has the shortest connection time from Seattle to Baltimore?

Minneapolis (MSP) has the shortest average layover time for this route: 0h 40m.

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

2 flights are operational daily from Seattle to Baltimore as of November 2025. The most popular departure time for this route is 10:00AM, with 57% of flights per day taking off at noon.

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

Prices for flights from Seattle/Tacoma Intl Airport to Baltimore/Washington Airport refresh daily.

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

As of November 2025, there are 8 operators available to choose from for flights from Seattle/Tacoma Intl Airport to Baltimore/Washington Airport.

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

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Seattle/Tacoma Intl Airport to Baltimore/Washington Airport.

What documentation or ID do you need to fly to Baltimore/Washington Airport?

The necessary travel and health documents for your Baltimore/Washington Airport 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.

$85 Cheap Flights from Seattle to Baltimore in 2025/26

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6:35 am - 7:30 pmSEA-BWI

9h 55m2 stops

1:15 pm - 9:00 pmBWI-SEA

10h 45m2 stops

$249Southwest

Find Deal

Thu, Dec 4 - Sat, Dec 6

1:09 pm - 9:22 amSEA-BWI

17h 13m2 stops

8:48 pm - 8:46 amBWI-SEA

14h 58m1 stop

$250Multiple Airlines

Find Deal

Thu, Dec 4 - Sun, Dec 7

5:18 am - 6:29 pmSEA-BWI

10h 11m2 stops

7:48 am - 12:38 pmBWI-SEA

7h 50m1 stop

$253American Airlines

Find Deal

Wed, Dec 3 - Wed, Dec 10

7:12 pm - 5:58 amSEA-BWI

7h 46m1 stop

6:00 am - 6:39 amBWI-SEA

27h 39m2 stops

$256Delta

Find Deal

Mon, Nov 24 - Wed, Nov 26

10:11 am - 6:14 pmSEA-BWI

5h 03mnonstop

7:14 pm - 10:14 pmBWI-SEA

6h 00mnonstop

$257Alaska Airlines

Find Deal

Sat, Jan 10 - Wed, Jan 21

11:10 pm - 10:02 amSEA-BWI

7h 52m1 stop

7:06 pm - 12:24 amBWI-SEA

8h 18m1 stop

$258Delta

Find Deal

Mon, Dec 1 - Mon, Dec 8

10:09 am - 6:16 pmSEA-BWI

5h 07mnonstop

7:00 am - 10:02 amBWI-SEA

6h 02mnonstop

$262Hawaiian Airlines

Find Deal

Thu, Dec 4 - Wed, Dec 10

12:38 am - 11:22 amSEA-BWI

7h 44m1 stop

6:15 am - 12:47 pmBWI-SEA

9h 32m1 stop

$266American Airlines

Find Deal

Wed, Dec 3 - Sun, Dec 7

9:38 pm - 5:40 amSEA-BWI

5h 02mnonstop

7:00 am - 10:02 amBWI-SEA

6h 02mnonstop

$271Alaska Airlines

Find Deal

Fri, Dec 5 - Sat, Dec 6

9:38 pm - 5:40 amSEA-BWI

5h 02mnonstop

7:16 pm - 10:15 pmBWI-SEA

5h 59mnonstop

$283Hawaiian Airlines

Find Deal

Thu, Dec 4 - Wed, Dec 10

Southwest flights from Seattle to Baltimore

Our best Southwest deals on Seattle to Baltimore flight tickets

Southwest

Dec 4

SEA6:35 amSeattle/Tacoma Intl

9h 55m

2 stops

BWI7:30 pmBaltimore/Washington

Dec 6

BWI1:15 pmBaltimore/Washington

10h 45m

2 stops

SEA9:00 pmSeattle/Tacoma Intl

$249

Find similar

Southwest

Dec 4

SEA5:15 amSeattle/Tacoma Intl

11h 25m

2 stops

BWI7:40 pmBaltimore/Washington

Dec 11

BWI6:15 amBaltimore/Washington

15h 05m

2 stops

SEA6:20 pmSeattle/Tacoma Intl

$255

Find similar

Southwest

Dec 4

SEA5:15 amSeattle/Tacoma Intl

11h 25m

2 stops

BWI7:40 pmBaltimore/Washington

Dec 10

BWI1:05 pmBaltimore/Washington

12h 50m

2 stops

SEA10:55 pmSeattle/Tacoma Intl

$269

Find similar

American Airlines flights from Seattle to Baltimore

Our best American Airlines deals on Seattle to Baltimore flight tickets

American Airlines

Dec 3

SEA5:18 amSeattle/Tacoma Intl

10h 11m

2 stops

BWI6:29 pmBaltimore/Washington

Dec 10

BWI7:48 amBaltimore/Washington

7h 50m

1 stop

SEA12:38 pmSeattle/Tacoma Intl

$253

Find similar

American Airlines

Dec 3

SEA12:38 amSeattle/Tacoma Intl

7h 44m

1 stop

BWI11:22 amBaltimore/Washington

Dec 7

BWI6:15 amBaltimore/Washington

9h 32m

1 stop

SEA12:47 pmSeattle/Tacoma Intl

$266

Find similar

American Airlines

Nov 19

SEA12:41 pmSeattle/Tacoma Intl

7h 54m

1 stop

BWI11:35 pmBaltimore/Washington

Dec 3

BWI7:48 amBaltimore/Washington

7h 50m

1 stop

SEA12:38 pmSeattle/Tacoma Intl

$268

Find similar

Fly from

Fly to

Route

Depart

Return

Price

SeattleBaltimore

SEA - BWI

SEABWI

Seattle/Tacoma Intl

Thu 12/4

6:35 am-7:30 pm

2 stops9h 55m

Baltimore/Washington

Sat 12/6

1:15 pm-9:00 pm

2 stops10h 45m

$249

SeattleBaltimore

SEA - BWI

SEABWI

Seattle/Tacoma Intl

Thu 12/4

1:09 pm-9:22 am

2 stops17h 13m

Baltimore/Washington

Sun 12/7

8:48 pm-8:46 am

1 stop14h 58m

$250

SeattleBaltimore

SEA - BWI

SEABWI

Seattle/Tacoma Intl

Wed 12/3

5:18 am-6:29 pm

2 stops10h 11m

Baltimore/Washington

Wed 12/10

7:48 am-12:38 pm

1 stop7h 50m

$253

SeattleBaltimore

SEA - BWI

SEABWI

Seattle/Tacoma Intl

Mon 11/24

7:12 pm-5:58 am

1 stop7h 46m

Baltimore/Washington

Wed 11/26

6:00 am-6:39 am

2 stops27h 39m

$256

SeattleBaltimore

SEA - BWI

SEABWI

Seattle/Tacoma Intl

Sat 1/10

10:11 am-6:14 pm

Nonstop5h 03m

Baltimore/Washington

Wed 1/21

7:14 pm-10:14 pm

Nonstop6h 00m

$257

SeattleBaltimore

SEA - BWI

SEABWI

Seattle/Tacoma Intl

Mon 12/1

11:10 pm-10:02 am

1 stop7h 52m

Baltimore/Washington

Mon 12/8

7:06 pm-12:24 am

1 stop8h 18m

$258

SeattleBaltimore

SEA - BWI

SEABWI

Seattle/Tacoma Intl

Thu 12/4

10:09 am-6:16 pm

Nonstop5h 07m

Baltimore/Washington

Wed 12/10

7:00 am-10:02 am

Nonstop6h 02m

$262

SeattleBaltimore

SEA - BWI

SEABWI

Seattle/Tacoma Intl

Wed 12/3

12:38 am-11:22 am

1 stop7h 44m

Baltimore/Washington

Sun 12/7

6:15 am-12:47 pm

1 stop9h 32m

$266

SeattleBaltimore

SEA - BWI

SEABWI

Seattle/Tacoma Intl

Fri 12/5

9:38 pm-5:40 am

Nonstop5h 02m

Baltimore/Washington

Sat 12/6

7:00 am-10:02 am

Nonstop6h 02m

$271

SeattleBaltimore

SEA - BWI

SEABWI

Seattle/Tacoma Intl

Thu 12/4

9:38 pm-5:40 am

Nonstop5h 02m

Baltimore/Washington

Wed 12/10

7:16 pm-10:15 pm

Nonstop5h 59m

$283

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How to get the cheapest flight ticket from Seattle to Baltimore

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

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Other information

What is the cheapest month to fly to Baltimore?

If you’re not able to fly to Baltimore in September, then November is your next best option. Flight prices from Seattle to Baltimore during November average around $338.

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

The cheapest day to depart from Seattle to Baltimore is on a Wednesday. Travelers who choose to depart for Baltimore on a Wednesday will often find tickets for as low as $394. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $568. These prices are subject to change though, so be sure to set up a Price Alert for flights to Baltimore.

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

Flying to Baltimore from Seattle in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $355 when looking at flights departing in the afternoon. Flights in the morning are often more expensive with an average ticket price of $466.

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

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

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

You are more likely to see cheaper flights to Baltimore from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Baltimore for around $407 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Baltimore from Seattle for as low as $312 on momondo.

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

There are 4 cabin classes available to choose from on Seattle/Tacoma Intl to Baltimore/Washington 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 Baltimore flights?

You could potentially save up to 17% on your flight if you consider stops on a Seattle to Baltimore flight.

How have Seattle to Baltimore flight prices changed over time?

As of November 2025, prices for Seattle to Baltimore flights are approximately 25% cheaper when compared to flights at the same time last year.

When to book flights from Seattle to Baltimore

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to Baltimore according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Seattle to Baltimore (SEA to BWI) flight deals and tips

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

Best Price Found	$199
Fastest flight time	4h 58m
Direct flights	Every day
Airports in Baltimore	1 airport

The best one-way flight to Baltimore from Seattle in the past 72 hours is $199. The best round-trip flight deal from Seattle to Baltimore found on momondo in the last 72 hours is $297.

The fastest flight from Seattle to Baltimore takes 4h 58m

Direct flights go from Seattle to Baltimore every day.

There is 1 airport near Baltimore: Baltimore/Washington (BWI)

Search flight deals

How far is Seattle/Tacoma Intl to Baltimore/Washington by plane?
A flight from Seattle/Tacoma Intl to Baltimore/Washington will travel around 2326.9 mi. By plane, this route typically takes 5h 02m.
When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Baltimore/Washington Airport?
Prices for flights from Seattle/Tacoma Intl Airport to Baltimore/Washington Airport refresh daily.
How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Baltimore/Washington Airport?
As of November 2025, there are 8 operators available to choose from for flights from Seattle/Tacoma Intl Airport to Baltimore/Washington Airport.
How old do you have to be to fly from Seattle/Tacoma Intl Airport to Baltimore/Washington Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Seattle/Tacoma Intl Airport to Baltimore/Washington Airport.
What documentation or ID do you need to fly to Baltimore/Washington Airport?
The necessary travel and health documents for your Baltimore/Washington Airport 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 Baltimore?
Based on momondo bookings for flights between Seattle and Baltimore, the leading plane model is Boeing 737-800 Passenger/BBJ2 (winglets), making up 27.80% of the total bookings. Other popular models include Boeing 737 MAX 9 with 25.82%, Boeing 737 with 16.12%, and Boeing 737 MAX 8 with 11.12%.
What is the most popular airline from Seattle to Baltimore?
momondo data reveals that the most frequently booked airline on the route from Seattle to Baltimore is Alaska Airlines, representing 55% of all bookings. The subsequent popular airlines are Delta at 16%, Hawaiian Airlines at 8%, and Southwest at 6%.

Best airlines flying from Seattle to Baltimore

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

Airline	Rating	Free Cancellation	Price
Spirit Airlines	PriceFrom $130	Free Cancellation	Rating 6.3 8,112 reviews	Search Spirit Airlines flights
Frontier	PriceFrom $148	Free Cancellation	Rating 5.8 3,116 reviews	Search Frontier flights
Hawaiian Airlines	PriceFrom $153	Free Cancellation	Rating 7.8 2,799 reviews	Search Hawaiian Airlines flights
Delta	PriceFrom $206	Free Cancellation	Rating 7.9 8,002 reviews	Search Delta flights
American Airlines	PriceFrom $206	Free Cancellation	Rating 7.2 11,038 reviews	Search American Airlines flights
United Airlines	PriceFrom $226	Free Cancellation	Rating 7.4 8,998 reviews	Search United Airlines flights
Southwest	PriceFrom $266	Free Cancellation	Rating 8.0 4,237 reviews	Search Southwest flights
Alaska Airlines	PriceFrom $276	Free Cancellation	Rating 8.0 11,237 reviews	Search Alaska Airlines flights

Alaska Airlines Flights From Seattle to Baltimore
Alaska Airlines flight deals from Seattle to Baltimore start from $276 round-trip. Over the 5 Alaska Airlines flights for this route in a normal week, average airfare is usually $456 round-trip - but some users have found much cheaper deals with momondo.
Hawaiian Airlines Flights From Seattle to Baltimore
$153 is the best Hawaiian Airlines flight deal from Seattle to Baltimore found on momondo over the last 72 hours. The average Hawaiian Airlines ticket price found was closer to $418, however, with flight time and availability significantly affecting the price. Hawaiian Airlines (7.8/10 from 2,799 user reviews) flies into Baltimore from Seattle 8 times in an average week so prices can vary.

Why use momondo?

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

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 Baltimore for you.

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

Flights from Seattle to Baltimore with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo provides multiple filters to help you find the best flight to Baltimore from Seattle. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes. momondo can track prices for Seattle to Baltimore flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Cheap flights from Seattle to Washington, D.C. from $85

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 Washington, D.C. departing on 2/21. 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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Southwest flights from Seattle to Baltimore

Our best Southwest deals on Seattle to Baltimore flight tickets

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Our best American Airlines deals on Seattle to Baltimore flight tickets

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See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Seattle to Baltimore

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 Baltimore?

If you’re not able to fly to Baltimore in September, then November is your next best option. Flight prices from Seattle to Baltimore during November average around $338.

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

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

Flying to Baltimore from Seattle in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $355 when looking at flights departing in the afternoon. Flights in the morning are often more expensive with an average ticket price of $466.

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

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

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

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

There are 4 cabin classes available to choose from on Seattle/Tacoma Intl to Baltimore/Washington 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 Baltimore flights?

You could potentially save up to 17% on your flight if you consider stops on a Seattle to Baltimore flight.

How have Seattle to Baltimore flight prices changed over time?

As of November 2025, prices for Seattle to Baltimore flights are approximately 25% cheaper when compared to flights at the same time last year.

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

United Airlines, American Airlines, and Southwest are the most popular carriers operating from Seattle/Tacoma Intl to Baltimore/Washington

What airlines fly to Baltimore?

Which airport is the most popular layover for flights between Seattle and Baltimore?

Denver (DEN) was the most common stop: 33% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Seattle to Baltimore?

Flights via Charlotte (CLT) offer the lowest average round-trip price of $178.

Which layover airport has the shortest travel time from Seattle to Baltimore?

Flights connecting via Minneapolis (MSP) have the shortest average one-way travel time: 6h 58m.

Which layover airport has the shortest connection time from Seattle to Baltimore?

Minneapolis (MSP) has the shortest average layover time for this route: 0h 40m.

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

2 flights are operational daily from Seattle to Baltimore as of November 2025. The most popular departure time for this route is 10:00AM, with 57% of flights per day taking off at noon.

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

As of November 2025, 20 flights take off from Seattle and land in Baltimore each week. The most common flight departure day for this route is Thu, with 25% of weekly flights taking off on this day.

When to book flights from Seattle to Baltimore

Cheap Seattle to Baltimore (SEA to BWI) flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

Airports in Baltimore

How far is Seattle/Tacoma Intl to Baltimore/Washington by plane?

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

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

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

What documentation or ID do you need to fly to Baltimore/Washington Airport?

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

What is the most popular airline from Seattle to Baltimore?

Best airlines flying from Seattle to Baltimore

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

Alaska Airlines Flights From Seattle to Baltimore

Hawaiian Airlines Flights From Seattle to Baltimore

Why use momondo?

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

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

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

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

An easier way to manage your Baltimore 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.