Cheap Flights from Baltimore, MD to Seattle, WA from $145
Return flight: Seattle – Baltimore
On Cheapflightsplus.com you will find 3 direct and 280 connecting flights from Baltimore to Seattle. You can compare airfare deals from 7 airlines and multiple travel sites from $145, 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: $145 (one-way), $249 (round-trip).
Direct flights
Check prices for return flight
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 $145. The fastest direct flight takes 5h 50m and the fastest connecting – 7h 52m.
| Price | Departure | Arrival | Flight Duration | Airline | Flight |
|---|---|---|---|---|---|
| from $178 | 07:00 Baltimore Balt/Wash Intl | 09:54 Seattle Seattle-Tacoma Intl | 5h 54m | Alaska Airlines | AS308 |
| from $191 | 18:59 Baltimore Balt/Wash Intl | 21:49 Seattle Seattle-Tacoma Intl | 5h 50m | Alaska Airlines | AS379 |
| from $307 | 07:05 Baltimore Balt/Wash Intl | 09:55 Seattle Seattle-Tacoma Intl | 5h 50m | Alaska Airlines | AS349 |
| from $145 | 09:46 Baltimore Balt/Wash Intl | 20:26 Seattle Seattle-Tacoma Intl | 13h 40m layover 5h 21m - Las Vegas | Spirit Airlines | NK2377 NK1455 |
| from $166 | 08:43 Baltimore Balt/Wash Intl | 16:31 Seattle Seattle-Tacoma Intl | 10h 48m layover 1h 47m - Los Angeles | Spirit Airlines | NK1365 NK260 |
| from $166 | 13:27 Baltimore Balt/Wash Intl | 23:10 Seattle Seattle-Tacoma Intl | 12h 43m layover 4h 23m - Los Angeles | Spirit Airlines | NK1912 NK804 |
| from $175 | 14:46 Baltimore Balt/Wash Intl | 08:15+1 день Seattle Seattle-Tacoma Intl | 20h 29m layover 12h 59m - Denver | Frontier Airlines | F92705 F91175 |
| from $179 | 10:17 Baltimore Balt/Wash Intl | 00:15+1 день Seattle Seattle-Tacoma Intl | 16h 58m layover 8h 41m - Las Vegas | Spirit Airlines | NK924 NK181 |
| from $167 | 06:30 Baltimore Balt/Wash Intl | 17:56 Seattle Seattle-Tacoma Intl | 14h 26m layover 3h 18m - Los Angeles 1h 9m - Las Vegas | Spirit Airlines | NK2073 NK1724 NK413 |
| from $195 | 05:25 Baltimore Balt/Wash Intl | 16:31 Seattle Seattle-Tacoma Intl | 14h 6m layover 1h 53m - Houston 1h 47m - Los Angeles | Spirit Airlines | NK1634 NK308 NK260 |
| from $204 | 07:20 Baltimore Balt/Wash Intl | 16:23 Seattle Seattle-Tacoma Intl | 12h 3m layover 1h 31m - Dallas 1h 5m - Las Vegas | Spirit Airlines | NK1935 NK3711 NK203 |
| from $208 | 05:25 Baltimore Balt/Wash Intl | 16:31 Seattle Seattle-Tacoma Intl | 14h 6m layover 3h 12m - Atlanta 0h 51m - Los Angeles | Spirit Airlines | NK1355 NK810 NK260 |
| from $213 | 10:03 Baltimore Balt/Wash Intl | 00:15+1 день Seattle Seattle-Tacoma Intl | 17h 12m layover 5h 34m - Orlando 0h 59m - Las Vegas | Spirit Airlines | NK387 NK2993 NK181 |
| from $223 | 07:35 Baltimore Balt/Wash Intl | 17:34 Seattle Seattle-Tacoma Intl | 12h 59m layover 2h 54m - Atlanta 1h 36m - Minneapolis | Spirit Airlines | NK310 SY356 SY285 |
| from $227 | 21:41 Baltimore Balt/Wash Intl | 16:23+1 день Seattle Seattle-Tacoma Intl | 21h 42m layover 5h 56m - Miami 4h 39m - Las Vegas | Spirit Airlines | NK374 NK866 NK203 |
| from $228 | 06:10 Baltimore Balt/Wash Intl | 00:15+1 день Seattle Seattle-Tacoma Intl | 21h 5m layover 6h 1m - Dallas 5h 30m - Las Vegas | Spirit Airlines | NK928 NK585 NK181 |
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*Departure and arrival times - local. Prices indicated for one-way flights. Information updated on May 11, 2025
Flight Schedule Baltimore (Maryland) to Seattle (Washington)
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 |
|---|---|---|---|---|
|
07:00 — 09:54
|
07:00 — 09:54
AS308
Alaska Airlines
Baltimore — Seattle
|
5h 54m |
Find flight
from$178 |
|
|
07:05 — 09:55
|
07:05 — 09:55
AS349
Alaska Airlines
Baltimore — Seattle
|
5h 50m |
Find flight
from$307 |
|
|
18:59 — 21:49
|
18:59 — 21:49
AS379
Alaska Airlines
Baltimore — Seattle
|
5h 50m |
Find flight
from$191 |
|
|
08:00 — 14:53
|
08:00 — 10:28
NK2377
Spirit Airlines
Baltimore — Las Vegas
1h 32m stop
12:00 — 14:53
NK413
Spirit Airlines
Las Vegas — Seattle
|
9h 53m including layover |
Find flight
from$177 |
|
|
08:43 — 16:31
|
08:43 — 11:49
NK1365
Spirit Airlines
Baltimore — Los Angeles
1h 47m stop
13:36 — 16:31
NK260
Spirit Airlines
Los Angeles — Seattle
|
10h 48m including layover |
Find flight
from$166 |
|
|
09:46 — 20:26
|
08:00 — 10:28
NK2377
Spirit Airlines
Baltimore — Las Vegas
5h 21m stop
17:36 — 20:26
NK1455
Spirit Airlines
Las Vegas — Seattle
|
13h 40m including layover |
Find flight
from$145 |
|
|
10:17 — 00:15
+1 day
|
10:17 — 12:47
NK924
Spirit Airlines
Baltimore — Las Vegas
8h 41m stop
21:28 — 00:15
NK181
Spirit Airlines
Las Vegas — Seattle
|
16h 58m including layover |
Find flight
from$179 |
|
|
12:26 — 17:28
|
12:26 — 14:11
SY194
Sun Country Airlines
Baltimore — Minneapolis
1h 23m stop
15:34 — 17:28
SY285
Sun Country Airlines
Minneapolis — Seattle
|
8h 2m including layover |
Find flight
from$303 |
|
|
13:27 — 23:10
|
13:27 — 15:59
NK1912
Spirit Airlines
Baltimore — Los Angeles
4h 23m stop
20:22 — 23:10
NK804
Spirit Airlines
Los Angeles — Seattle
|
12h 43m including layover |
Find flight
from$166 |
|
|
14:46 — 08:15
+1 day
|
14:46 — 17:01
F92705
Frontier Airlines
Baltimore — Denver
12h 59m stop
06:00 — 08:15
F91175
Frontier Airlines
Denver — Seattle
|
20h 29m including layover |
Find flight
from$175 |
|
|
16:02 — 22:45
|
16:09 — 18:20
UA2012
United Airlines
Baltimore — Denver
2h 24m stop
21:05 — 23:11
UA2651
United Airlines
Denver — Seattle
|
9h 43m including layover |
Find flight
from$248 |
|
|
17:25 — 22:46
|
17:25 — 18:38
UA590
United Airlines
Baltimore — Chicago
1h 17m stop
19:55 — 22:46
UA2211
United Airlines
Chicago — Seattle
|
8h 21m including layover |
Find flight
from$256 |
|
|
17:25 — 22:46
|
17:25 — 18:38
UA590
United Airlines
Baltimore — Chicago
1h 17m stop
19:55 — 22:46
UA2850
United Airlines
Chicago — Seattle
|
8h 21m including layover |
Find flight
from$268 |
|
|
05:25 — 16:31
|
05:25 — 08:07
NK1634
Spirit Airlines
Baltimore — Houston
1h 53m stop
10:00 — 11:49
NK308
Spirit Airlines
Houston — Los Angeles
1h 47m stop
13:36 — 16:31
NK260
Spirit Airlines
Los Angeles — Seattle
|
14h 6m including layover |
Find flight
from$195 |
|
|
05:25 — 16:31
|
05:25 — 07:21
NK1355
Spirit Airlines
Baltimore — Atlanta
3h 12m stop
10:33 — 12:45
NK810
Spirit Airlines
Atlanta — Los Angeles
51m stop
13:36 — 16:31
NK260
Spirit Airlines
Los Angeles — Seattle
|
14h 6m including layover |
Find flight
from$208 |
|
|
06:15 — 20:30
|
06:15 — 09:12
NK2073
Spirit Airlines
Baltimore — Los Angeles
5h 9m stop
14:21 — 15:36
NK425
Spirit Airlines
Los Angeles — Las Vegas
2h 14m stop
17:50 — 20:30
NK413
Spirit Airlines
Las Vegas — Seattle
|
17h 15m including layover |
Find flight
from$172 |
|
|
06:30 — 17:56
|
06:30 — 09:27
NK2073
Spirit Airlines
Baltimore — Los Angeles
3h 18m stop
12:45 — 14:01
NK1724
Spirit Airlines
Los Angeles — Las Vegas
1h 9m stop
15:50 — 18:39
NK413
Spirit Airlines
Las Vegas — Seattle
|
14h 26m including layover |
Find flight
from$167 |
|
|
07:20 — 16:23
|
07:20 — 09:53
NK1935
Spirit Airlines
Baltimore — Dallas
1h 31m stop
11:24 — 12:28
NK3711
Spirit Airlines
Dallas — Las Vegas
1h 5m stop
13:33 — 16:23
NK203
Spirit Airlines
Las Vegas — Seattle
|
12h 3m including layover |
Find flight
from$204 |
|
|
10:03 — 00:15
+1 day
|
10:03 — 12:33
NK387
Spirit Airlines
Baltimore — Orlando
5h 34m stop
18:07 — 20:29
NK2993
Spirit Airlines
Orlando — Las Vegas
59m stop
21:28 — 00:15
NK181
Spirit Airlines
Las Vegas — Seattle
|
17h 12m including layover |
Find flight
from$213 |
|
|
11:32 — 00:15
+1 day
|
11:32 — 14:16
NK1313
Spirit Airlines
Baltimore — Houston
4h 19m stop
18:35 — 20:00
NK196
Spirit Airlines
Houston — Las Vegas
1h 28m stop
21:28 — 00:15
NK181
Spirit Airlines
Las Vegas — Seattle
|
15h 43m including layover |
Find flight
from$325 |
|
|
21:02 — 20:30
+1 day
|
21:02 — 23:58
NK1093
Spirit Airlines
Baltimore — Los Angeles
10h 43m stop
10:41 — 11:58
NK1724
Spirit Airlines
Los Angeles — Las Vegas
5h 52m stop
17:50 — 20:30
NK413
Spirit Airlines
Las Vegas — Seattle
|
26h 28m including layover |
Find flight
from$235 |
|
|
21:41 — 16:23
+1 day
|
21:41 — 00:24
NK374
Spirit Airlines
Baltimore — Miami
5h 56m stop
06:20 — 08:54
NK866
Spirit Airlines
Miami — Las Vegas
4h 39m stop
13:33 — 16:23
NK203
Spirit Airlines
Las Vegas — Seattle
|
21h 42m including layover |
Find flight
from$227 |
|
*Departure and arrival times - local. Updated on May 11, 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 05:25 to 21:41 from 4 Baltimore airports and arrive 05:25 to 21:41 to 3 Seattle airports. Average flight time is 5h 50m.
- The fastest flight 5h 50m
- Average flight time 5h 50m
- The earliest flight 05:25
- The latest flight 21:41
- Distance 2329 ml
The cheapest months to travel to Seattle are december (from 145 $), january (from 166 $), february (from 166 $).
The most expensive months are november (from 167 $), february (from 166 $), january (from 166 $).
What is the lowest airfare Baltimore to Seattle?
The cheapest plane ticket found by our users is $145. This airfare is for economy class on one-way NK2377 flight by Spirit Airlines for December 12, 2024 which leaves Balt/Wash Intl in Baltimore at 09:46 am and arrives at Seattle Seattle-Tacoma Intl at 20:26.
Economy class
$145
Business class
?
First class
?
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 - 32 departures per week at the price of from $ 178 . And the most expensive tickets are offered by Finnair airline - from $ 1813.
Direct flights
There are 3 nonstop flights on the route. The fastest direct flight is AS379 by Alaska Airlines takes 5h 50m and the cheapest is NK2377 by Spirit Airlines for $178.
- AS - Alaska Airlinesfrom $178Find
See more direct flights
Connecting Flights
There are 280 flights with layovers on the route. The fastest connecting flight is UA455 by United Airlines takes 7h 52m and the cheapest is NK2377 by Spirit Airlines for $145.
- AS - Alaska Airlinesfrom $382Find
- F9 - Frontier Airlinesfrom $175Find
- FI - Icelandairfrom $1052Find
- SY - Sun Country Airlinesfrom $303Find
- AY - Finnairfrom $1813Find
- UA - United Airlinesfrom $248Find
- NK - Spirit Airlinesfrom $145Find
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-ZBPFind
- Balt/Wash Intl-BWIfrom $145Find
- Baltimore Greenbelt T-GBOFind
- Glenn L Martin-MTNFind
Seattle airports
- Boeing Field International Airport-BFIFind
- Seattle-Tacoma Intl-SEAFind
- Kenmore Air Harbor SPB-LKEFind
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
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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.
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How to book a plane 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.