$82+ Cheap flights from Seattle (SEA) to Maryland
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/21. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BWI
Apr 22 — Apr 291
Round-trip
1 adult, Economy
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Cheapest flights from Seattle to MarylandExplore the most affordable flight options available from Seattle to Maryland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 23, 2026.
Explore the most affordable flight options available from Seattle to Maryland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 23, 2026.
This Southwest deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/217:10 pm
SEA
- BWI
1 stop7h 35m
Southwest
Tue 4/286:20 pm
BWI
- SEA
1 stop8h 50m
Southwest
Deal found 3/22![Southwest logo]()
$164
This Southwest deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/28:30 am
SEA
- BWI
1 stop8h 45m
Southwest
Tue 5/56:20 pm
BWI
- SEA
1 stop8h 50m
Southwest
Deal found 3/23![Southwest logo]()
$178
This Booking.com deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/147:12 pm
SEA
- DCA
1 stop23h 47m
Frontier
Mon 4/206:00 pm
DCA
- SEA
1 stop18h 27m
Frontier
Deal found 3/18![Frontier logo]()
$228
This American Airlines deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/1410:29 pm
SEA
- DCA
1 stop7h 37m
American Airlines
Tue 4/217:50 pm
DCA
- SEA
1 stop7h 46m
American Airlines
Deal found 3/18![American Airlines logo]()
$229
This United Airlines deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/2411:59 pm
SEA
- IAD
1 stop8h 49m
United Airlines
Thu 4/305:55 pm
IAD
- SEA
Nonstop5h 58m
United Airlines
Deal found 3/18![United Airlines logo]()
$229
This Southwest deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/175:15 am
SEA
- DCA
1 stop8h 20m
Southwest
Mon 4/207:45 pm
DCA
- SEA
2 stops15h 55m
Southwest
Deal found 3/17![Southwest logo]()
$230
This Southwest deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/46:30 am
SEA
- IAD
2 stops14h 50m
Southwest
Sat 5/95:05 pm
IAD
- SEA
1 stop8h 05m
Southwest
Deal found 3/19![Southwest logo]()
$230
This Southwest deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/226:25 pm
SEA
- BWI
1 stop8h 15m
Southwest
Sat 4/2511:10 am
BWI
- SEA
2 stops10h 05m
Southwest
Deal found 3/22![Southwest logo]()
$231
This CheapOair deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/247:12 pm
SEA
- DCA
1 stop14h 48m
Frontier
Mon 4/278:00 am
DCA
- SEA
1 stop10h 05m
Frontier
Deal found 3/19![Frontier logo]()
$231
This Booking.com deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/44:20 pm
SEA
- DCA
1 stop21h 39m
Frontier
Mon 5/117:00 am
DCA
- SEA
1 stop29h 49m
Frontier
Deal found 3/20![Frontier logo]()
$232
This United Airlines deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/15:25 pm
SEA
- BWI
1 stop10h 55m
United Airlines
Mon 5/47:05 pm
BWI
- SEA
1 stop7h 54m
United Airlines
Deal found 3/19![United Airlines logo]()
$234
This Delta deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/147:30 am
SEA
- DCA
Nonstop4h 57m
Delta
Tue 4/214:39 pm
DCA
- SEA
Nonstop5h 51m
Delta
Deal found 3/17![Delta logo]()
$234
Best flights from Seattle to MarylandDiscover carefully curated flight deals from Seattle to Maryland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 23, 2026.
Discover carefully curated flight deals from Seattle to Maryland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 23, 2026.
This Southwest deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/55:35 pm
SEA
- BWI
1 stop9h 10m
Southwest
Tue 5/126:20 pm
BWI
- SEA
1 stop8h 50m
Southwest
Deal found 3/21![Southwest logo]()
$239
This Delta deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/147:30 am
SEA
- DCA
Nonstop4h 57m
Delta
Tue 4/211:40 pm
DCA
- SEA
1 stop11h 25m
Delta
Deal found 3/17![Delta logo]()
$244
This United Airlines deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/207:37 pm
SEA
- BWI
2 stops11h 02m
United Airlines
Mon 4/276:55 pm
BWI
- SEA
1 stop8h 39m
United Airlines
Deal found 3/22![United Airlines logo]()
$276
This Alaska Airlines deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/309:06 pm
SEA
- DCA
1 stop19h 54m
Alaska Airlines
Wed 5/68:00 am
DCA
- SEA
Nonstop5h 57m
Alaska Airlines
Deal found 3/22![Alaska Airlines logo]()
$347
This Southwest deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/147:10 pm
SEA
- BWI
1 stop7h 35m
Southwest
Mon 4/207:10 pm
BWI
- SEA
1 stop7h 55m
Southwest
Deal found 3/20![Southwest logo]()
$239
This United Airlines deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/511:49 pm
SEA
- DCA
1 stop9h 07m
United Airlines
Mon 6/87:10 pm
DCA
- SEA
1 stop7h 49m
United Airlines
Deal found 3/19![United Airlines logo]()
$288
This Delta deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/37:30 am
SEA
- DCA
Nonstop4h 57m
Delta
Tue 5/52:55 pm
DCA
- SEA
1 stop8h 47m
Delta
Deal found 3/19![Delta logo]()
$303
This Alaska Airlines deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/233:55 pm
SEA
- IAD
Nonstop5h 14m
Alaska Airlines
Wed 4/296:56 pm
IAD
- SEA
1 stop17h 30m
Alaska Airlines
Deal found 3/22![Alaska Airlines logo]()
$347
This Southwest deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/291:25 pm
SEA
- IAD
1 stop7h 15m
Southwest
Mon 5/44:30 pm
IAD
- SEA
1 stop11h 25m
Southwest
Deal found 3/22![Southwest logo]()
$317
This Delta deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/309:31 pm
SEA
- PHL
Nonstop5h 14m
Delta
Sun 7/127:08 am
PHL
- SEA
Nonstop5h 56m
Delta
Deal found 3/21![Delta logo]()
$329
This American Airlines deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/1512:34 pm
SEA
- SBY
1 stop7h 20m
American Airlines
Wed 4/221:47 pm
SBY
- SEA
1 stop10h 17m
American Airlines
Deal found 3/18![American Airlines logo]()
$743
This United Airlines deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/210:40 pm
SEA
- BWI
1 stop7h 37m
United Airlines
Mon 7/66:15 am
BWI
- SEA
1 stop8h 23m
United Airlines
Deal found 3/21![United Airlines logo]()
$344
This Alaska Airlines deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/247:40 am
SEA
- DCA
1 stop9h 20m
Alaska Airlines
Sat 5/28:00 am
DCA
- SEA
Nonstop5h 57m
Alaska Airlines
Deal found 3/17![Alaska Airlines logo]()
$358
This Southwest deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/811:05 pm
SEA
- BWI
1 stop9h 40m
Southwest
Tue 7/146:40 pm
BWI
- SEA
1 stop7h 50m
Southwest
Deal found 3/19![Southwest logo]()
$334
This Delta deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/264:05 pm
SEA
- IAD
Nonstop5h 10m
Delta
Sat 5/307:00 am
IAD
- SEA
Nonstop5h 44m
Delta
Deal found 3/19![Delta logo]()
$337
This United Airlines deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/306:58 pm
SEA
- DCA
3 stops17h 40m
United Airlines
Mon 5/46:00 pm
DCA
- SEA
1 stop8h 59m
United Airlines
Deal found 3/18![United Airlines logo]()
$349
This Delta deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/311:05 pm
SEA
- PHL
1 stop6h 31m
Delta
Tue 9/87:05 am
PHL
- SEA
Nonstop5h 59m
Delta
Deal found 3/18![Delta logo]()
$339
This Alaska Airlines deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/299:41 pm
SEA
- IAD
Nonstop5h 09m
Alaska Airlines
Sun 5/36:47 pm
IAD
- SEA
1 stop17h 39m
Alaska Airlines
Deal found 3/20![Alaska Airlines logo]()
$377
This Southwest deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/56:50 am
SEA
- DCA
2 stops11h 00m
Southwest
Tue 5/123:40 pm
DCA
- SEA
2 stops10h 55m
Southwest
Deal found 3/21![Southwest logo]()
$347
This United Airlines deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/237:05 pm
SEA
- IAD
1 stop7h 23m
United Airlines
Wed 4/291:10 pm
IAD
- SEA
1 stop8h 50m
United Airlines
Deal found 3/19![United Airlines logo]()
$349
This Delta deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/57:35 pm
SEA
- PHL
1 stop7h 24m
Delta
Wed 5/137:10 am
PHL
- SEA
Nonstop5h 50m
Delta
Deal found 3/22![Delta logo]()
$339
This Southwest deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/309:40 am
SEA
- BWI
2 stops10h 50m
Southwest
Mon 5/44:45 pm
BWI
- SEA
2 stops10h 20m
Southwest
Deal found 3/19![Southwest logo]()
$348
This United Airlines deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/2510:40 pm
SEA
- IAD
1 stop7h 44m
United Airlines
Fri 5/295:55 pm
IAD
- SEA
Nonstop5h 51m
United Airlines
Deal found 3/17![United Airlines logo]()
$367
This Delta deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1212:30 pm
SEA
- PHL
1 stop7h 37m
Delta
Tue 6/27:10 am
PHL
- SEA
Nonstop5h 50m
Delta
Deal found 3/22![Delta logo]()
$339
This Southwest deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/25:45 am
SEA
- BWI
2 stops8h 20m
Southwest
Sat 5/92:50 pm
BWI
- SEA
2 stops10h 20m
Southwest
Deal found 3/18![Southwest logo]()
$348
This Alaska Airlines deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/229:32 pm
SEA
- BWI
Nonstop5h 12m
Alaska Airlines
Sun 4/267:16 pm
BWI
- SEA
Nonstop5h 44m
Alaska Airlines
Deal found 3/22![Alaska Airlines logo]()
$447
This Delta deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/2911:35 pm
SEA
- PHL
1 stop8h 37m
Delta
Mon 6/17:10 am
PHL
- SEA
Nonstop5h 50m
Delta
Deal found 3/19![Delta logo]()
$339
This Southwest deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2911:05 pm
SEA
- PHL
1 stop9h 05m
Southwest
Sun 9/1311:50 am
PHL
- SEA
1 stop8h 10m
Southwest
Deal found 3/20![Southwest logo]()
$349
This United Airlines deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/1111:20 pm
SEA
- IAD
Nonstop5h 02m
United Airlines
Tue 6/161:25 pm
IAD
- SEA
1 stop8h 41m
United Airlines
Deal found 3/19![United Airlines logo]()
$389
This Delta deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/287:59 pm
SEA
- PHL
1 stop7h 11m
Delta
Mon 6/17:10 am
PHL
- SEA
Nonstop5h 50m
Delta
Deal found 3/21![Delta logo]()
$339
Last-minute flights from Seattle to MarylandDiscover last-minute flight deals from Seattle to Maryland. Data last updated March 23, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Maryland. Data last updated March 23, 2026 and is based on user searches.
This Super.com deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/1212:42 pm
SEA
- DCA
1 stop30h 17m
Frontier
Wed 4/158:00 am
DCA
- SEA
1 stop28h 27m
Frontier
Deal found 3/22![Frontier logo]()
$236
This Booking.com deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/147:12 pm
SEA
- DCA
1 stop23h 47m
Frontier
Mon 4/206:00 pm
DCA
- SEA
1 stop18h 27m
Frontier
Deal found 3/18![Frontier logo]()
$228
This American Airlines deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/1410:29 pm
SEA
- DCA
1 stop7h 37m
American Airlines
Tue 4/217:50 pm
DCA
- SEA
1 stop7h 46m
American Airlines
Deal found 3/18![American Airlines logo]()
$229
This Delta deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/147:30 am
SEA
- DCA
Nonstop4h 57m
Delta
Tue 4/284:39 pm
DCA
- SEA
Nonstop5h 51m
Delta
Deal found 3/18![Delta logo]()
$234
This Southwest deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/156:30 am
SEA
- IAD
1 stop7h 20m
Southwest
Fri 5/14:30 pm
IAD
- SEA
1 stop11h 25m
Southwest
Deal found 3/18![Southwest logo]()
$229
This Southwest deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/159:20 am
SEA
- IAD
2 stops11h 20m
Southwest
Wed 4/224:30 pm
IAD
- SEA
1 stop9h 00m
Southwest
Deal found 3/18![Southwest logo]()
$234
This Southwest deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/185:45 am
SEA
- DCA
2 stops8h 50m
Southwest
Sat 4/251:00 pm
DCA
- SEA
1 stop10h 35m
Southwest
Deal found 3/18![Southwest logo]()
$230
This United Airlines deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/198:00 am
SEA
- IAD
Nonstop5h 11m
United Airlines
Sat 4/255:55 pm
IAD
- SEA
Nonstop5h 58m
United Airlines
Deal found 3/19![United Airlines logo]()
$237
This Southwest deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/217:10 pm
SEA
- BWI
1 stop7h 35m
Southwest
Tue 4/286:20 pm
BWI
- SEA
1 stop8h 50m
Southwest
Deal found 3/22![Southwest logo]()
$164
This Southwest deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/226:25 pm
SEA
- BWI
1 stop8h 15m
Southwest
Sat 4/2511:10 am
BWI
- SEA
2 stops10h 05m
Southwest
Deal found 3/22![Southwest logo]()
$231
This Expedia deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/237:12 pm
SEA
- DCA
1 stop23h 47m
Frontier
Sun 4/268:00 am
DCA
- SEA
1 stop28h 27m
Frontier
Deal found 3/19![Frontier logo]()
$235
This CheapOair deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/247:12 pm
SEA
- DCA
1 stop14h 48m
Frontier
Mon 4/278:00 am
DCA
- SEA
1 stop10h 05m
Frontier
Deal found 3/19![Frontier logo]()
$231
One-way flights from Seattle to MarylandSearch for one-way flight options from Seattle to Maryland. Find affordable one-way fares based on user searches. Data last updated March 23, 2026.
Search for one-way flight options from Seattle to Maryland. Find affordable one-way fares based on user searches. Data last updated March 23, 2026.
This Southwest deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/217:10 pm
SEA
- BWI
1 stop7h 35m
Southwest
Deal found 3/23![Southwest logo]()
$82
This Southwest deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/49:25 pm
SEA
- BWI
Nonstop4h 55m
Southwest
Deal found 3/22![Southwest logo]()
$86
This Southwest deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/611:40 am
SEA
- BWI
2 stops15h 00m
Southwest
Deal found 3/22![Southwest logo]()
$93
This Southwest deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1611:55 pm
SEA
- BWI
1 stop7h 25m
Southwest
Deal found 3/23![Southwest logo]()
$96
This Southwest deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/59:25 pm
SEA
- BWI
Nonstop4h 55m
Southwest
Deal found 3/22![Southwest logo]()
$100
This Southwest deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/95:45 am
SEA
- BWI
2 stops8h 20m
Southwest
Deal found 3/22![Southwest logo]()
$101
This Southwest deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/811:05 am
SEA
- BWI
1 stop9h 25m
Southwest
Deal found 3/22![Southwest logo]()
$110
This United Airlines deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/95:25 pm
SEA
- BWI
1 stop10h 55m
United Airlines
Deal found 3/20![United Airlines logo]()
$115
This Delta deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/1311:59 pm
SEA
- BWI
1 stop7h 23m
Delta
Deal found 3/20![Delta logo]()
$120
This Kiwi.com deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/139:34 pm
SEA
- BWI
2 stops34h 45m
Frontier
Deal found 3/22![Frontier logo]()
$122
This Delta deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/165:30 am
SEA
- DCA
1 stop8h 57m
Delta
Deal found 3/18![Delta logo]()
$130
This Delta deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/165:30 am
SEA
- IAD
1 stop8h 01m
Delta
Deal found 3/18![Delta logo]()
$130
Find flight deals from Seattle to Maryland
Keep the following information in mind while searching for Seattle to Maryland flight deals. Data was last updated March 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $164 (Southwest) |
One-way from | $82 (Southwest) |
Popular in | June |
Cheapest in | January |
Average price | $428 |
Good round-trip deal | $407 or less |
Good one-way deal | $218 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Seattle to Maryland that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 23, 2026.
Use the filters below to find and compare flights from Seattle to Maryland that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
SeattleBaltimore
SEA - BWI
SEABWI
Seattle/Tacoma Intl
Tue 5/5
5:35 pm-5:45 am
1 stop9h 10m
Baltimore/Washington
Tue 5/12
6:20 pm-12:10 am
1 stop8h 50m
$239
SeattleBaltimore
SEA - BWI
SEABWI
Seattle/Tacoma Intl
Tue 4/14
7:10 pm-5:45 am
1 stop7h 35m
Baltimore/Washington
Mon 4/20
7:10 pm-12:05 am
1 stop7h 55m
$239
SeattleWashington, D.C.
SEA - DCA
SEADCA
Seattle/Tacoma Intl
Tue 4/14
7:30 am-3:27 pm
Nonstop4h 57m
Washington, D.C. Reagan-National
Tue 4/21
1:40 pm-10:05 pm
1 stop11h 25m
$244
SeattleBaltimore
SEA - BWI
SEABWI
Seattle/Tacoma Intl
Mon 4/20
7:37 pm-9:39 am
2 stops11h 02m
Baltimore/Washington
Mon 4/27
6:55 pm-12:34 am
1 stop8h 39m
$276
SeattleWashington, D.C.
SEA - DCA
SEADCA
Seattle/Tacoma Intl
Fri 6/5
11:49 pm-11:56 am
1 stop9h 07m
Washington, D.C. Reagan-National
Mon 6/8
7:10 pm-11:59 pm
1 stop7h 49m
$288
SeattleWashington, D.C.
SEA - DCA
SEADCA
Seattle/Tacoma Intl
Sun 5/3
7:30 am-3:27 pm
Nonstop4h 57m
Washington, D.C. Reagan-National
Tue 5/5
2:55 pm-8:42 pm
1 stop8h 47m
$303
SeattleWashington, D.C.
SEA - IAD
SEAIAD
Seattle/Tacoma Intl
Wed 4/29
1:25 pm-11:40 pm
1 stop7h 15m
Washington, D.C. Dulles Intl
Mon 5/4
4:30 pm-12:55 am
1 stop11h 25m
$317
SeattlePhiladelphia
SEA - PHL
SEAPHL
Seattle/Tacoma Intl
Tue 6/30
9:31 pm-5:45 am
Nonstop5h 14m
Philadelphia
Sun 7/12
7:08 am-10:04 am
Nonstop5h 56m
$329
SeattleBaltimore
SEA - BWI
SEABWI
Seattle/Tacoma Intl
Wed 7/8
11:05 pm-11:45 am
1 stop9h 40m
Baltimore/Washington
Tue 7/14
6:40 pm-11:30 pm
1 stop7h 50m
$334
Quickest round-trip
SeattleWashington, D.C.
SEA - IAD
SEAIAD
Seattle/Tacoma Intl
Tue 5/26
4:05 pm-12:15 am
Nonstop5h 10m
Washington, D.C. Dulles Intl
Sat 5/30
7:00 am-9:44 am
Nonstop5h 44m
$337
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Seattle to Maryland
Have a flexible travel schedule? Discover the best time to fly to Maryland from Seattle with our price prediction graph.
SEA-BWI
SEA-DCA
SEA-IAD
SEA-PHL
SEA-SBY
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Seattle to Maryland
SEA-USMD
SEA-BWI
SEA-DCA
SEA-IAD
SEA-PHL
What is the cheapest month to book a flight from Seattle to Maryland?
Currently, May is the cheapest month in which you can book a flight from Seattle to Maryland (average of $120). Flying from Seattle to Maryland in November is currently the most expensive (average of $238). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from SEA to MD?
Find hourly flight availability from Seattle to Maryland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 23, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Seattle to Maryland as you normally would.
Weekly flight availability from Seattle to Maryland
Explore weekly flight availability from Seattle to Maryland. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated March 23, 2026.
The most flights from SEA to USMD are scheduled on a Monday (2 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 on average).
Reviews of airlines servicing Maryland
Get insights into the airlines that provide service to Maryland. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Maryland. Reviews last updated March 23, 2026.
Read reviews from past customers who have flown Southwest,Alaska Airlines, andDelta from Seattle to Maryland. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.0
Food
7.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Comfort
8.0
Food
7.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Comfort
8.0
Food
7.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Comfort
8.0
Food
7.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Comfort
8.0
Food
7.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Comfort
8.0
Food
7.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Related info for your journey
Find useful and relevant information for your journey from Seattle to Maryland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Seattle to Maryland
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Complete your trip
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Search flights from Seattle to Maryland by cabin class
Find flights from Seattle to Maryland, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Seattle and Maryland flights
Browse other Seattle and Maryland flight options. Last updated on March 23, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Seattle to Maryland flights
Consider these flights traveling from Seattle to Maryland.
Top 7 airlines flying from Seattle to Maryland
Discover the top 7 airlines that operate flights from Seattle to Maryland. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$103 | Average$341 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$138 | Average$398 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$139 | Average$240 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$178 | Average$633 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$187 | Average$406 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$226 | Average$397 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$256 | Average$434 | FlexibilityNo cancel fee | On-time75% |