￥13,890 Cheap Flights from Seattle (SEA) to Baltimore (BWI)

View ￥13,890 flight on Tue, Mar 24, 2026Opens in a new window

Popular airlines from Seattle to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall)

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Cheap Flights from Seattle to Baltimore (SEA-BWI)

Prices were available within the past 7 days and start at ￥13,890 for one-way flights and ￥28,650 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Mon, Feb 23 - Mon, Mar 2
SEA
Seattle
BWI
Baltimore
￥28,650 Roundtrip, found 5 days ago
￥28,650
Roundtrip
found 5 days ago
Select American Airlines flight, departing Mon, Feb 23 from Seattle to Baltimore, returning Mon, Mar 2, priced at ￥28,650 found 5 days ago
Delta
Mon, Feb 23 - Mon, Mar 2
SEA
Seattle
BWI
Baltimore
￥29,240 Roundtrip, found 5 days ago
￥29,240
Roundtrip
found 5 days ago
Select Delta flight, departing Mon, Feb 23 from Seattle to Baltimore, returning Mon, Mar 2, priced at ￥29,240 found 5 days ago
American Airlines
Mon, Feb 23 - Mon, Mar 2
SEA
Seattle
BWI
Baltimore
￥30,050 Roundtrip, found 5 days ago
￥30,050
Roundtrip
found 5 days ago
Select American Airlines flight, departing Mon, Feb 23 from Seattle to Baltimore, returning Mon, Mar 2, priced at ￥30,050 found 5 days ago
Delta
Mon, Mar 16 - Mon, Mar 23
SEA
Seattle
BWI
Baltimore
￥30,630 Roundtrip, found 3 days ago
￥30,630
Roundtrip
found 3 days ago
Select Delta flight, departing Mon, Mar 16 from Seattle to Baltimore, returning Mon, Mar 23, priced at ￥30,630 found 3 days ago
United
Mon, Feb 23 - Mon, Mar 2
SEA
Seattle
BWI
Baltimore
￥34,980 Roundtrip, found 5 days ago
￥34,980
Roundtrip
found 5 days ago
Select United flight, departing Mon, Feb 23 from Seattle to Baltimore, returning Mon, Mar 2, priced at ￥34,980 found 5 days ago
Delta
Mon, Mar 16 - Mon, Mar 23
SEA
Seattle
BWI
Baltimore
￥35,470 Roundtrip, found 3 days ago
￥35,470
Roundtrip
found 3 days ago
Select Delta flight, departing Mon, Mar 16 from Seattle to Baltimore, returning Mon, Mar 23, priced at ￥35,470 found 3 days ago
American Airlines
Mon, Feb 23 - Mon, Mar 2
SEA
Seattle
BWI
Baltimore
￥36,280 Roundtrip, found 5 days ago
￥36,280
Roundtrip
found 5 days ago
Select American Airlines flight, departing Mon, Feb 23 from Seattle to Baltimore, returning Mon, Mar 2, priced at ￥36,280 found 5 days ago
United
Mon, Feb 23 - Mon, Mar 2
SEA
Seattle
BWI
Baltimore
￥36,380 Roundtrip, found 5 days ago
￥36,380
Roundtrip
found 5 days ago
Select United flight, departing Mon, Feb 23 from Seattle to Baltimore, returning Mon, Mar 2, priced at ￥36,380 found 5 days ago
American Airlines
Mon, Feb 23 - Mon, Mar 2
SEA
Seattle
BWI
Baltimore
￥36,870 Roundtrip, found 5 days ago
￥36,870
Roundtrip
found 5 days ago
Select American Airlines flight, departing Mon, Feb 23 from Seattle to Baltimore, returning Mon, Mar 2, priced at ￥36,870 found 5 days ago
Alaska Airlines
Mon, Feb 23 - Mon, Mar 2
SEA
Seattle
BWI
Baltimore
￥37,070 Roundtrip, found 5 days ago
￥37,070
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Mon, Feb 23 from Seattle to Baltimore, returning Mon, Mar 2, priced at ￥37,070 found 5 days ago

Find the cheapest month to fly from Seattle (SEA) to Baltimore (BWI)

January is typically the cheapest month to fly

From ￥22,754 - ￥50,940 per traveler.
Flights from Seattle (SEA) to Baltimore (BWI)
Origin airport
Seattle - Tacoma Intl.
Destination airport
Baltimore Washington Intl. Thurgood Marshall
Airlines serving
Delta, United
Roundtrip price
￥28,650
Distance
3725 km
Average flight time
8 hours 30 mins

Seattle to Baltimore Flights

Sometimes you just need to get out of town or maybe you’re looking for a change of scenery. Regardless of the reason, a flight from Seattle to will do just the trick! Go on, plan to see all the famous landmarks and eat your weight in the local cuisine. Your trip is beckoning, so answer the call by packing your suitcase and filling your travel itinerary with exploring Baltimore.

Whether you’re flying for business or jet-setting on your personal time, you’ve come to the right place. Here at Expedia.com, we’ll pair you up with SEA to BWI flights that won’t make your bank account wince. Ready to temporarily leave behind Seattle for new horizons? Browse through our cheap airfare, and filter by flight times and dates until you find just what you had in mind. From flights without layovers to ones that arrive early in the morning, you’ll come across plane tickets that suit your travel preferences. You can even bundle your flight to BWI with hotels and car rentals to score even bigger savings.

All set to hit the clouds? Book your travel arrangements with us today and have left-over money to put toward your travel outings and adventures.

Frequently asked questions

How much is a flight from Sea-Tac Airport to BWI Marshall?
The lowest price advertised for a round-trip journey from SEA to BWI Airport is ￥28,650. But you better get moving. This figure is taken from fares listed within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Sea-Tac Airport to BWI Marshall?
Every air carrier has its own terms and conditions. If you do decide to cancel, follow the simple instructions on our Customer Service Portal.
How do I find cheap flights from Sea-Tac Airport to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Seattle - Tacoma Intl. Airport (SEA) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) flights, you'll see a "no change fees" filter for you to select.
How many hours is the flight from Sea-Tac Airport to BWI?
There are lots of ways to make the 8 hours and 18 minutes between Sea-Tac Airport and BWI Airport go by quicker. If you want to be productive, sort through your camera roll or clear out all those backed-up emails. A good snooze also helps pass the time!
How far is the flight from SEA to BWI?
Expect to be in the air for a while, as the flight distance between SEA and BWI is 3,800 kilometers. Put together a playlist of your favorite podcasts before you leave home to stay entertained during your flight.
Which airlines fly direct from SEA to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
Check out the airfares with Alaska Airlines (AS) if you want to travel directly from Seattle - Tacoma Intl. Airport (SEA) to BWI Airport. This carrier offers 60 flights every month, so you're sure to find one that fits your travel plans.
Are Sea-Tac Airport to BWI Airport flight tickets cheaper when they're purchased at the last minute?
Last-minute bookings from Seattle - Tacoma Intl. Airport (SEA) to BWI Marshall can be hit-or-miss. You might be lucky and score a bargain, but you could also completely miss out! If you'd rather play it safe and start planning your trip early on, Expedia compares flight deals up to a year in advance. Just bear in mind that not all airlines publish their prices that far in advance. Our suggestion? Check back often as updates are made regularly.

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