Cheap Flights from Baltimore, MD to Seattle, WA from $75

Return flight: Seattle – Baltimore
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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 $75, 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: $75 (one-way), $129 (round-trip).
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Best Flights from Baltimore to Seattle Today

Take a look at the list of non stop flights and flights with layovers from Baltimore to Seattle with the lowest price of $75. The fastest direct flight takes 5h 40m and the fastest connecting – 7h 28m.
Price Departure Arrival Flight Duration Airline Flight
from $138
Find flight
18:17
Baltimore
Balt/Wash Intl
 21:00
Seattle
Seattle-Tacoma Intl
 5h 43m Hawaiian Airlines
HA4842
from $142
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18:17
Baltimore
Balt/Wash Intl
 21:00
Seattle
Seattle-Tacoma Intl
 5h 43m Alaska Airlines
AS379
from $75
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07:17
Baltimore
Balt/Wash Intl
 14:25
Seattle
Seattle-Tacoma Intl
 10h 8m
layover
2h 15m - Las Vegas
 Spirit Airlines
NK2015
NK2327
from $127
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17:26
Baltimore
Balt/Wash Intl
 23:42
Seattle
Seattle-Tacoma Intl
 9h 16m
layover
2h 5m - Denver
 Frontier Airlines
F92705
F94545
Show all tickets
*Departure and arrival times - local. Prices indicated for one-way flights. Information updated on September 18, 2025
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
06:26 — 15:53
+1 day
06:26 — 09:00 NK1912 Spirit Airlines
Baltimore — Los Angeles
2h 58m stop
11:58 — 13:18 NK712 Spirit Airlines
Los Angeles — Las Vegas
23h 52m stop
13:10 — 15:53 NK781 Spirit Airlines
Las Vegas — Seattle
36h 27m
including layover
Find flight
from$151
06:26 — 15:53
+1 day
06:26 — 09:00 NK1912 Spirit Airlines
Baltimore — Los Angeles
7h 31m stop
16:31 — 17:52 NK1494 Spirit Airlines
Los Angeles — Las Vegas
19h 18m stop
13:10 — 15:53 NK781 Spirit Airlines
Las Vegas — Seattle
36h 27m
including layover
Find flight
from$151
07:00 — 09:40
07:00 — 09:40 HA4841 Hawaiian Airlines
Baltimore — Seattle
5h 40m
Find flight
from$148
07:00 — 09:40
07:00 — 09:40 AS349 Alaska Airlines
Baltimore — Seattle
5h 40m
Find flight
from$152
07:17 — 14:25
07:17 — 09:25 NK2015 Spirit Airlines
Baltimore — Las Vegas
2h 15m stop
11:40 — 14:25 NK2327 Spirit Airlines
Las Vegas — Seattle
10h 8m
including layover
Find flight
from$75
07:17 — 00:10
+1 day
07:17 — 09:25 NK2015 Spirit Airlines
Baltimore — Las Vegas
12h 7m stop
21:32 — 00:10 NK2625 Spirit Airlines
Las Vegas — Seattle
19h 53m
including layover
Find flight
from$150
08:00 — 15:53
08:00 — 10:01 NK2377 Spirit Airlines
Baltimore — Las Vegas
3h 9m stop
13:10 — 15:53 NK781 Spirit Airlines
Las Vegas — Seattle
10h 53m
including layover
Find flight
from$152
17:26 — 23:42
17:26 — 19:31 F92705 Frontier Airlines
Baltimore — Denver
2h 5m stop
21:36 — 23:42 F94545 Frontier Airlines
Denver — Seattle
9h 16m
including layover
Find flight
from$127
17:44 — 07:59
+1 day
12:26 — 14:12 SY194 Sun Country Airlines
Baltimore — Minneapolis
10h 47m stop
07:36 — 09:21 SY281 Sun Country Airlines
Minneapolis — Seattle
17h 15m
including layover
Find flight
from$143
17:44 — 22:47
12:20 — 14:06 SY194 Sun Country Airlines
Baltimore — Minneapolis
1h 35m stop
21:00 — 22:45 SY289 Sun Country Airlines
Minneapolis — Seattle
8h 3m
including layover
Find flight
from$144
17:48 — 00:37
+1 day
17:23 — 19:29 F92705 Frontier Airlines
Baltimore — Denver
2h 35m stop
22:29 — 00:37 F93405 Frontier Airlines
Denver — Seattle
9h 49m
including layover
Find flight
from$128
18:17 — 21:00
18:17 — 21:00 HA4842 Hawaiian Airlines
Baltimore — Seattle
5h 43m
Find flight
from$138
18:17 — 21:00
18:17 — 21:00 AS379 Alaska Airlines
Baltimore — Seattle
5h 43m
Find flight
from$142
20:36 — 08:49
+1 day
20:36 — 23:08 F91475 Frontier Airlines
Baltimore — Dallas
7h 17m stop
06:25 — 08:49 F94065 Frontier Airlines
Dallas — Seattle
15h 13m
including layover
Find flight
from$137
20:44 — 08:24
+1 day
20:30 — 23:10 F93787 Frontier Airlines
Baltimore — Dallas
6h 44m stop
06:00 — 08:19 F94065 Frontier Airlines
Dallas — Seattle
14h 40m
including layover
Find flight
from$133
*Departure and arrival times - local. Updated on September 18, 2025

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 75 $), august (from 117 $), july (from 127 $).

The most expensive months are december (from 384 $), february (from 338 $), january (from 249 $).

What is the lowest airfare Baltimore to Seattle?

The cheapest plane ticket found by our users is $75. 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
$75
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Business class
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First class
?
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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 $ 142 . And the most expensive tickets are offered by Alaska Airlines airline - from $ 8183.

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 $138.

  • AS - Alaska Airlines
    from $142
    Find
  • HA - Hawaiian Airlines
    from $138
    Find
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 $75.

  • AS - Alaska Airlines
    from $213
    Find
  • F9 - Frontier Airlines
    from $127
    Find
  • FI - Icelandair
    from $868
    Find
  • SY - Sun Country Airlines
    from $143
    Find
  • UA - United Airlines
    from $203
    Find
  • NK - Spirit Airlines
    from $75
    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 $75
    Find
  • Baltimore Greenbelt T-GBO
    Find
  • Glenn L Martin-MTN
    Find

Seattle airports

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

Airplanes

There are flights to Seattle from Baltimore by 7 airlines that use 0 aircraft brands. They range from huge modern airplanes to small-sized.

Top Domestic Destinations from Baltimore

You may also consider searching for discounted plane tickets to some other popular places from Baltimore within United States.

Top International Destinations from Baltimore

Our state-of-the art metasearch will definitely provide you with the best airfare on international flights. We’re proud to partner with many reliable travel suppliers located outside the US what gives us an opportunity to offer the most competitive prices on far destinations.

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.

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