Cheap Flights from Seattle, WA to Baltimore, MD from $108

Return flight: Baltimore – Seattle

On Cheapflightsplus.com you will find 4 direct and 392 connecting flights from Seattle to Baltimore. You can compare airfare deals from 6 airlines and multiple travel sites from $108, book and save on cheap plane tickets and last minute offers. Also check out SEA-BWI 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 Seattle to Baltimore depends on and how to choose the most interesting flight option for you.

Distance between Seattle and Baltimore is 3748 miles. Time difference between the cities is 3h. Airplanes depart 00:17 to 23:59 from 3 Seattle airports and arrive 00:17 to 23:59 to 4 Baltimore airports. Average flight time is 5h 2m.

  • The fastest flight 4h 59m
  • Average flight time 5h 2m
  • The earliest flight 00:17
  • The latest flight 23:59
  • Distance 2329 ml

The cheapest months to travel to Baltimore are june (from 108 $), may (from 117 $), july (from 143 $).

The most expensive months are january (from 369 $), december (from 366 $), november (from 366 $).

What is the lowest airfare Seattle to Baltimore?

The cheapest plane ticket found by our users is $108. This airfare is for economy class on one-way F93406 flight by Frontier Airlines for July 4, 2025 which leaves Seattle-Tacoma Intl in Seattle at 06:25 am and arrives at Baltimore Balt/Wash Intl at 16:25.

Economy class
$108
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Business class
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First class
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Flight Schedule Seattle (Washington) to Baltimore (Maryland)

06:00 — 19:39+1day
34h 39m flight time
Find flight
from$149
06:00 — 08:31 Seattle — Las Vegas
NK2626 Spirit Airlines
4h 11m stop
12:42 — 14:06 Las Vegas — Los Angeles
NK2686 Spirit Airlines
21h 30m stop
11:36 — 19:39 Los Angeles — Baltimore
NK2597 Spirit Airlines
06:25 — 16:25
7h flight time
Find flight
from$108
09:00 — 12:53 Seattle — Denver
F93406 Frontier Airlines
40m stop
15:27 — 20:58 Denver — Baltimore
F92706 Frontier Airlines
09:08 — 17:12
5h 4m flight time
Find flight
from$148
Seattle — Baltimore
HA6636 Hawaiian Airlines
09:08 — 17:12
5h 4m flight time
Find flight
from$152
Seattle — Baltimore
AS378 Alaska Airlines
15:20 — 06:10+1day
11h 50m flight time
Find flight
from$117
15:20 — 17:51 Seattle — Las Vegas
NK2328 Spirit Airlines
4h 49m stop
22:40 — 06:10 Las Vegas — Baltimore
NK840 Spirit Airlines
15:20 — 11:46+1day
17h 26m flight time
Find flight
from$131
15:20 — 17:51 Seattle — Las Vegas
NK2328 Spirit Airlines
4h 3m stop
21:54 — 05:25 Las Vegas — Orlando
NK2297 Spirit Airlines
4h 6m stop
09:31 — 11:46 Orlando — Baltimore
NK2019 Spirit Airlines
15:58 — 05:43+1day
10h 45m flight time
Find flight
from$144
15:58 — 18:26 Seattle — Las Vegas
NK2328 Spirit Airlines
3h 58m stop
22:24 — 05:43 Las Vegas — Baltimore
NK3172 Spirit Airlines
15:58 — 19:29+1day
24h 31m flight time
Find flight
from$149
15:20 — 17:51 Seattle — Las Vegas
NK2328 Spirit Airlines
1h 40m stop
19:56 — 21:15 Las Vegas — Los Angeles
NK2508 Spirit Airlines
14h 11m stop
11:36 — 19:39 Los Angeles — Baltimore
NK2597 Spirit Airlines
16:58 — 21:02+1day
25h 4m flight time
Find flight
from$146
16:58 — 19:36 Seattle — Las Vegas
NK782 Spirit Airlines
9h 24m stop
05:00 — 06:18 Las Vegas — Los Angeles
NK465 Spirit Airlines
6h 41m stop
12:59 — 21:02 Los Angeles — Baltimore
NK3074 Spirit Airlines
16:58 — 21:02+1day
25h 4m flight time
Find flight
from$153
16:58 — 19:36 Seattle — Las Vegas
NK782 Spirit Airlines
14h 6m stop
09:42 — 11:03 Las Vegas — Los Angeles
NK711 Spirit Airlines
1h 56m stop
12:59 — 21:02 Los Angeles — Baltimore
NK3074 Spirit Airlines
17:30 — 06:05+1day
9h 35m flight time
Find flight
from$144
17:30 — 19:58 Seattle — Las Vegas
NK1682 Spirit Airlines
2h 49m stop
22:47 — 06:05 Las Vegas — Baltimore
NK1674 Spirit Airlines
20:01 — 16:31+1day
17h 30m flight time
Find flight
from$123
19:10 — 23:12 Seattle — Denver
F91176 Frontier Airlines
11h 5m stop
10:56 — 16:28 Denver — Baltimore
F92706 Frontier Airlines
22:20 — 06:19+1day
4h 59m flight time
Find flight
from$140
Seattle — Baltimore
HA6635 Hawaiian Airlines
22:20 — 06:19+1day
4h 59m flight time
Find flight
from$143
Seattle — Baltimore
AS344 Alaska Airlines
23:59 — 11:23+1day
8h 24m flight time
Find flight
from$144
23:59 — 05:25 Seattle — Minneapolis
SY290 Sun Country Airlines
2h 47m stop
08:00 — 11:30 Minneapolis — Baltimore
SY193 Sun Country Airlines
Full flight schedule will help you in detecting at what time planes fly from Seattle to Baltimore. 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 November 2, 2025.

Popular Airlines on the Route

The flight Seattle — Baltimore is served by 6 regular airlines and 3 low-cost airlines. Most of the flights on this route are operated by Alaska Airlines - 72 departures per week at the price of from $ 143 . And the most expensive tickets are offered by Alaska Airlines airline - from $ 11510.

Direct flights

There are 4 nonstop flights on the route. The fastest direct flight is HA6635 by Hawaiian Airlines takes 4h 59m and the cheapest is F93406 by Frontier Airlines for $140.

  • AS - Alaska Airlines
    from $143
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  • HA - Hawaiian Airlines
    from $140
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See more direct flights

Connecting Flights

There are 392 flights with layovers on the route. The fastest connecting flight is AS328 by Alaska Airlines takes 6h 58m and the cheapest is F93406 by Frontier Airlines for $108.

  • AS - Alaska Airlines
    from $213
    Find
  • F9 - Frontier Airlines
    from $108
    Find
  • SY - Sun Country Airlines
    from $144
    Find
  • HA - Hawaiian Airlines
    from $431
    Find
  • UA - United Airlines
    from $204
    Find
  • NK - Spirit Airlines
    from $117
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See more connecting flights

Airports

You can fly from Seattle to Baltimore from 3 airports (Boeing Field International Airport, Seattle-Tacoma Intl, Kenmore Air Harbor SPB).

Seattle airports

  • Boeing Field International Airport-BFI
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  • Seattle-Tacoma Intl-SEA
    from $108
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  • Kenmore Air Harbor SPB-LKE
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Baltimore airports

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