
Popular airlines from Seattle-Tacoma International Airport (SEA) to Baltimore Washington International Airport (BWI)
- Alaska Airlines
Alaska Airlines
- Delta
Delta
- American Airlines
American Airlines
- United
United
- Sun Country Airlines
Sun Country Airlines
- Hawaiian Airlines
Hawaiian Airlines
- Plan, book, fly with confidence
trending down icon Be in the knowGet alerts if flight prices drop or rise*bex rewards loyalty icon Book smarterSave up to 30% on select hotels after you book a flight*payments icon
Cheap flights from Seattle (SEA) to Baltimore (BWI)
Prices were available within the past 7 days and start at CA $141 for one-way flights and CA $281 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.









Find the cheapest month to fly from Seattle (SEA) to Baltimore (BWI)
September is typically the cheapest month to fly
Graph displaying average flight prices per month
Origin airport | Seattle - Tacoma Intl. |
Destination airport | Baltimore Washington Intl. Thurgood Marshall |
Airlines serving | Alaska Airlines, American Airlines, Delta, Hawaiian Airlines, Sun Country Airlines, United |
Roundtrip price | CA $281 |
Distance | 3725 km |
Average flight time | 8 hours 2 mins |
Seattle to Baltimore Flights
The easy way to book your flights from Seattle to Baltimore
With Expedia, it’s simple to find and book flights to Baltimore from Seattle whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to Baltimore Washington Intl. Thurgood Marshall, too.
Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Seattle to Baltimore today, tomorrow, or this week.
Save dollars with cheap flights from Seattle - Tacoma Intl., SEA to Baltimore Washington Intl. Thurgood Marshall, BWI
Sort your search results by price to find great deals on your flight from Seattle to Baltimore—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Baltimore from Seattle currently is just CA $281 rising to CA $429.
Here are more money-saving tips:
- Fly in August when flight prices are normally at their lowest
- Book about a month to 6 weeks before you travel for the best prices to Baltimore
- Avoid peak season and weekends when flights can cost more
- Early morning and late-night flights are sometimes cheaper, so try varying your travel times
- One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free!
Reasons to choose Expedia for your flight to Baltimore from Seattle
Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Baltimore with Expedia today.
Frequently asked questions
Explore a world of travel with Expedia
- Trending Routes
- Trending Flights
- Top Flights Destinations
- Other Airlines
- Main Airports for Flights
- Cheap Flights from Other Airports
- Expedia's Latest Trends
Top Routes from Seattle
- Seattle to Chicago (SEA - ORD)
- Seattle to Mumbai (SEA - BOM)
- Seattle to Newark Liberty Intl. Airport (SEA - EWR)
- Seattle to San Diego (SEA - SAN)
- Seattle to Los Angeles (SEA - LAX)
- Seattle to Miami (SEA - MIA)
- Seattle to Fort Lauderdale (SEA - FLL)
- Seattle to Honolulu (SEA - HNL)
- Seattle to Delhi (SEA - DEL)
- Seattle to New York (SEA - JFK)
- Seattle to Kahului (SEA - OGG)
- Seattle to Dubai (SEA - DXB)
Top Routes to Baltimore
- Ottawa to Baltimore (YOW - BWI)
- Calgary to Baltimore (YYC - BWI)
- Los Angeles to Baltimore (LAX - BWI)
- Miami to Baltimore (MIA - BWI)
- Tampa to Baltimore (TPA - BWI)
- Detroit to Baltimore (DTW - BWI)
- Saskatoon to Baltimore (YXE - BWI)
- Winnipeg to Baltimore (YWG - BWI)
- Halifax to Baltimore (YHZ - BWI)
- Victoria to Baltimore (YYJ - BWI)
- Québec to Baltimore (YQB - BWI)
- Minneapolis to Baltimore (MSP - BWI)
Top Routes from Seattle
- Alaska Airlines Seattle to Chicago
- Alaska Airlines Seattle to San Diego
- Alaska Airlines Seattle to Los Angeles
- Alaska Airlines Seattle to Fort Lauderdale
- Alaska Airlines Seattle to Honolulu
- Lufthansa Seattle to Delhi
- Alaska Airlines Seattle to New York
- Alaska Airlines Seattle to Kahului
- Alaska Airlines Seattle to Vancouver
Top Routes to Baltimore
Top Flight Destinations
- Flights to Las Vegas
- Flights to New York
- Flights to Orlando
- Flights to Chicago
- Flights to Myrtle Beach
- Flights to San Diego
- Flights to Panama City Beach
- Flights to Destin
- Flights to Los Angeles
- Flights to Ocean City
- Flights to Miami
- Flights to Boston
- Flights to Nashville
- Flights to Atlantic City
- Flights to Pigeon Forge
- Flights to Atlanta
- Flights to San Francisco
- Flights to Virginia Beach
- Flights to Gulf Shores
- Flights to Seattle
Washington
Expedia's Latest Trends
- Flights from Ottawa to Las Vegas
- Flights from Vancouver to San Diego
- Flights from Vancouver to Las Vegas
- Flights from Hamilton to Las Vegas
- Flights from Abbotsford to Las Vegas
- Flights from Toronto to Philadelphia
- Flights from Edmonton to Dallas
- Flights from Toronto to San Diego
- Flights from Toronto to Myrtle Beach
- Flights from Calgary to San Diego
- Flights from Toronto to New York
- Flights from Montreal to Las Vegas
- Flights from Detroit to Las Vegas
- Flights from Montreal to Fort Lauderdale
- Flights from Kelowna to Las Vegas
- Flights from Fort Lauderdale to Toronto
- Flights from Vancouver to Boston
- Flights from Winnipeg to Las Vegas
- Flights from Toronto to Washington
- Flights from Calgary to Dallas
- Flights from Montreal to Boston
- Flights from Buffalo to Fort Lauderdale
- Flights from Toronto to Fort Lauderdale
- Flights from Bellingham to Las Vegas
- Flights from Vancouver to Palm Springs
- Flights from Vancouver to Dallas
- Flights from Toronto to Las Vegas
- Flights from Buffalo to Las Vegas
- Flights from Las Vegas to Toronto
- Flights from Victoria to Las Vegas