Cheap Flights from Baltimore, MD to Seattle, WA from $76

Return flight: Seattle – Baltimore

On you will find 4 connecting flights from Baltimore to Seattle. You can compare airfare deals from 3 airlines and multiple travel sites from $146, book and save on cheap plane tickets and last minute offers. Also check out BWI-SEA flight schedule to find best flight time, convenient departure and arrival airports.

Find One-Way and Round-Trip Baltimore to Seattle Flight Deals

To find the cheapest one way airline ticket select the date with the lowest price on the calendar below and click «Find Flights». To search for round-trip flight deals click on the link «Check prices for return flights» and select the date of the return flight. Cheapest flights in November: $76 (one-way), $130 (round-trip).
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Full flight schedule will help you in detecting at what time planes fly from Baltimore to Seattle. You can also specify the concrete flights and airlines on the route and how long the flight actually is. Use the calendar for today, tomorrow or other specific date as some flights are available only on certain days of the week.
Departure Arrival Flight Details Flight Duration Price
15:02 — 01:10
+1 day
15:02 — 17:16 NK695 Spirit Airlines
Baltimore — Las Vegas
5h 20m stop
22:36 — 01:10 NK1069 Spirit Airlines
Las Vegas — Seattle
13h 8m
including layover
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10:05 — 17:28
10:05 — 11:07 UA566 United Airlines
Baltimore — Chicago
1h 38m stop
12:45 — 14:31 UA775 United Airlines
Chicago — Denver
58m stop
15:29 — 17:28 UA948 United Airlines
Denver — Seattle
10h 23m
including layover
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18:30 — 06:25
+1 day
18:30 — 21:37 UA2059 United Airlines
Baltimore — San Francisco
1h 9m stop
22:46 — 00:34 UA522 United Airlines
San Francisco — Portland
4h 56m stop
05:30 — 06:25 AS2688 Alaska Airlines
Portland — Seattle
14h 55m
including layover
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*Departure and arrival times - local. Updated on January 30, 2023

Flight Information

Below we will explain in detail what the flights cost on the destination from Baltimore to Seattle depends on and how to choose the most interesting flight option for you.

Distance between Baltimore and Seattle is 3748 miles. Time difference between the cities is 3h. Airplanes depart 10:05 to 18:30 from 4 Baltimore airports and arrive 10:05 to 18:30 to 3 Seattle airports. Average flight time is 11h 46m.

  • The fastest flight 9h 40m
  • Average flight time 11h 46m
  • The earliest flight 10:05
  • The latest flight 18:30
  • Distance 2329 ml

The cheapest months to travel to Seattle are february (from 146 $), january (from 552 $).

What is the lowest airfare Baltimore to Seattle?

The cheapest plane ticket found by our users is $146. This airfare is for economy class on one-way NK695 flight by Spirit Airlines for February 6, 2023 which leaves Balt/Wash Intl in Baltimore at 15:02 am and arrives at Seattle Seattle-Tacoma Intl at 01:10.

Economy class
Business class
First class

Popular Airlines on the Route

The flight Baltimore — Seattle is served by 3 regular airlines and 1 low-cost airline. Most of the flights on this route are operated by American Airlines - 1 departures per week at the price of from $ 659 . And the most expensive tickets are offered by American Airlines airline - from $ 659.

Direct flights

There’re no direct flights on this route. Try flights with stops.

Connecting Flights

There are 4 flights with layovers on the route. The fastest connecting flight is AA2368 by American Airlines takes 9h 40m and the cheapest is NK695 by Spirit Airlines for $146.

  • AA - American Airlines
    from $659
  • UA - United Airlines
    from $369
  • NK - Spirit Airlines
    from $146
See more connecting flights


You can fly from Baltimore to Seattle from 4 airports (Baltimore Rail, Balt/Wash Intl, Baltimore Greenbelt T, Glenn L Martin).

Baltimore airports

  • Baltimore Rail-ZBP
  • Balt/Wash Intl-BWI
    from $146
  • Baltimore Greenbelt T-GBO
  • Glenn L Martin-MTN

Seattle airports

  • Boeing Field International Airport-BFI
  • Seattle-Tacoma Intl-SEA
  • Kenmore Air Harbor SPB-LKE

How to book a plane ticket yourself?

How to book an air ticket yourself?
  • Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
  • Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
  • Click «Buy» when you are ready — our system will redirect you to the site that sells the selected flight ticket.
  • Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
  • That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.

    To find a plane ticket, please select dates.