Cheap Flights from Baltimore, MD to Seattle, WA from $77

Return flight: Seattle – Baltimore

On Cheapflightsplus.com you will find 4 direct and 406 connecting flights from Baltimore to Seattle. You can compare airfare deals from 7 airlines and multiple travel sites from $77, 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.

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 05:45 to 22:46 from 4 Baltimore airports and arrive 05:45 to 22:46 to 3 Seattle airports. Average flight time is 5h 42m.

  • The fastest flight 5h 40m
  • Average flight time 5h 42m
  • The earliest flight 05:45
  • The latest flight 22:46
  • Distance 2329 ml

The cheapest months to travel to Seattle are june (from 77 $), august (from 119 $), july (from 130 $).

The most expensive months are february (from 345 $), january (from 254 $), january (from 247 $).

What is the lowest airfare Baltimore to Seattle?

The cheapest plane ticket found by our users is $77. This airfare is for economy class on one-way NK2015 flight by Spirit Airlines for June 5, 2025 which leaves Balt/Wash Intl in Baltimore at 07:17 am and arrives at Seattle Seattle-Tacoma Intl at 14:25.

Economy class
$77
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Business class
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First class
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Flight Schedule Baltimore (Maryland) to Seattle (Washington)

06:26 — 15:53+1day
36h 27m flight time
Find flight
from$154
06:26 — 09:00 Baltimore — Los Angeles
NK1912 Spirit Airlines
2h 58m stop
11:58 — 13:18 Los Angeles — Las Vegas
NK712 Spirit Airlines
23h 52m stop
13:10 — 15:53 Las Vegas — Seattle
NK781 Spirit Airlines
06:26 — 15:53+1day
36h 27m flight time
Find flight
from$154
06:26 — 09:00 Baltimore — Los Angeles
NK1912 Spirit Airlines
7h 31m stop
16:31 — 17:52 Los Angeles — Las Vegas
NK1494 Spirit Airlines
19h 18m stop
13:10 — 15:53 Las Vegas — Seattle
NK781 Spirit Airlines
07:00 — 09:40
5h 40m flight time
Find flight
from$143
Baltimore — Seattle
HA4841 Hawaiian Airlines
07:00 — 09:40
5h 40m flight time
Find flight
from$147
Baltimore — Seattle
AS349 Alaska Airlines
07:17 — 14:25
10h 8m flight time
Find flight
from$77
07:17 — 09:25 Baltimore — Las Vegas
NK2015 Spirit Airlines
2h 15m stop
11:40 — 14:25 Las Vegas — Seattle
NK2327 Spirit Airlines
07:17 — 00:10+1day
19h 53m flight time
Find flight
from$154
07:17 — 09:25 Baltimore — Las Vegas
NK2015 Spirit Airlines
12h 7m stop
21:32 — 00:10 Las Vegas — Seattle
NK2625 Spirit Airlines
08:00 — 15:53
10h 53m flight time
Find flight
from$119
08:00 — 10:01 Baltimore — Las Vegas
NK2377 Spirit Airlines
3h 9m stop
13:10 — 15:53 Las Vegas — Seattle
NK781 Spirit Airlines
17:26 — 23:42
9h 16m flight time
Find flight
from$130
17:26 — 19:31 Baltimore — Denver
F92705 Frontier Airlines
2h 5m stop
21:36 — 23:42 Denver — Seattle
F94545 Frontier Airlines
17:44 — 07:59+1day
17h 15m flight time
Find flight
from$146
12:26 — 14:12 Baltimore — Minneapolis
SY194 Sun Country Airlines
10h 47m stop
07:36 — 09:21 Minneapolis — Seattle
SY281 Sun Country Airlines
17:44 — 22:47
8h 3m flight time
Find flight
from$147
12:20 — 14:06 Baltimore — Minneapolis
SY194 Sun Country Airlines
1h 35m stop
21:00 — 22:45 Minneapolis — Seattle
SY289 Sun Country Airlines
17:48 — 00:37+1day
9h 49m flight time
Find flight
from$131
17:23 — 19:29 Baltimore — Denver
F92705 Frontier Airlines
2h 35m stop
22:29 — 00:37 Denver — Seattle
F93405 Frontier Airlines
18:17 — 21:00
5h 43m flight time
Find flight
from$141
Baltimore — Seattle
HA4842 Hawaiian Airlines
18:17 — 21:00
5h 43m flight time
Find flight
from$145
Baltimore — Seattle
AS379 Alaska Airlines
20:36 — 08:49+1day
15h 13m flight time
Find flight
from$140
20:36 — 23:08 Baltimore — Dallas
F91475 Frontier Airlines
7h 17m stop
06:25 — 08:49 Dallas — Seattle
F94065 Frontier Airlines
20:44 — 08:24+1day
14h 40m flight time
Find flight
from$136
20:30 — 23:10 Baltimore — Dallas
F93787 Frontier Airlines
6h 44m stop
06:00 — 08:19 Dallas — Seattle
F94065 Frontier Airlines
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 and arrival times - local. Updated on December 31, 2025.

Popular Airlines on the Route

The flight Baltimore — Seattle is served by 7 regular airlines and 3 low-cost airlines. Most of the flights on this route are operated by Alaska Airlines - 53 departures per week at the price of from $ 145 . And the most expensive tickets are offered by Alaska Airlines airline - from $ 8374.

Direct flights

There are 4 nonstop flights on the route. The fastest direct flight is HA4841 by Hawaiian Airlines takes 5h 40m and the cheapest is NK2015 by Spirit Airlines for $141.

  • AS - Alaska Airlines
    from $145
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  • HA - Hawaiian Airlines
    from $141
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See more direct flights

Connecting Flights

There are 406 flights with layovers on the route. The fastest connecting flight is SY194 by Sun Country Airlines takes 7h 28m and the cheapest is NK2015 by Spirit Airlines for $77.

  • AS - Alaska Airlines
    from $218
    Find
  • F9 - Frontier Airlines
    from $130
    Find
  • FI - Icelandair
    from $888
    Find
  • SY - Sun Country Airlines
    from $146
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  • UA - United Airlines
    from $208
    Find
  • NK - Spirit Airlines
    from $77
    Find
See more connecting flights

Airports

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
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  • Balt/Wash Intl-BWI
    from $77
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  • Baltimore Greenbelt T-GBO
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  • Glenn L Martin-MTN
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Seattle airports

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

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