$109+ Cheap flights from Maryland to Seattle (SEA)
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 7/27. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — SEA
May 30 — Jun 61
Round-trip
1 adult, Economy
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Cheapest flights from Maryland to SeattleExplore the most affordable flight options available from Maryland to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 30, 2026.
Explore the most affordable flight options available from Maryland to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 30, 2026.
This Delta deal was found by Cheapflights users on 4/26. 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 6/297:05 am
BWI
- SEA
1 stop8h 47m
Delta
Sat 7/45:30 am
SEA
- BWI
1 stop8h 08m
Delta
Deal found 4/26![Delta logo]()
$217
This Southwest deal was found by Cheapflights users on 4/27. 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 8/1812:50 pm
BWI
- SEA
1 stop8h 45m
Southwest
Tue 8/255:20 am
SEA
- BWI
2 stops8h 05m
Southwest
Deal found 4/27![Southwest logo]()
$222
This Southwest deal was found by Cheapflights users on 4/29. 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 8/112:55 pm
BWI
- SEA
1 stop11h 30m
Southwest
Wed 8/1911:00 pm
SEA
- BWI
2 stops12h 35m
Southwest
Deal found 4/29![Southwest logo]()
$228
This American Airlines deal was found by Cheapflights users on 4/30. 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.
Sat 8/293:53 pm
BWI
- SEA
1 stop9h 33m
American Airlines
Sat 9/511:16 pm
SEA
- BWI
1 stop9h 04m
American Airlines
Deal found 4/30![American Airlines logo]()
$237
This Delta deal was found by Cheapflights users on 4/25. 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 5/296:10 am
BWI
- SEA
1 stop7h 55m
Delta
Sat 6/611:05 pm
SEA
- BWI
1 stop6h 41m
Delta
Deal found 4/25![Delta logo]()
$238
This Alaska Airlines deal was found by Cheapflights users on 4/28. 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 9/96:16 pm
BWI
- SEA
Nonstop5h 44m
Alaska Airlines
Mon 9/1410:20 pm
SEA
- BWI
Nonstop5h 10m
Alaska Airlines
Deal found 4/28![Alaska Airlines logo]()
$242
This Southwest deal was found by Cheapflights users on 4/26. 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 8/213:25 pm
BWI
- SEA
1 stop9h 20m
Southwest
Sun 8/3010:30 pm
SEA
- BWI
Nonstop5h 00m
Southwest
Deal found 4/26![Southwest logo]()
$252
This CheapOair deal was found by Cheapflights users on 4/25. 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.
Tue 6/27:35 pm
BWI
- SEA
Nonstop5h 51m
Alaska Airlines
Tue 6/99:35 pm
SEA
- BWI
Nonstop5h 08m
Alaska Airlines
Deal found 4/25![Alaska Airlines logo]()
$257
This Trip.com deal was found by Cheapflights users on 4/26. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/49:12 am
IAD
- SEA
1 stop28h 24m
Frontier
Wed 6/108:12 pm
SEA
- IAD
1 stop9h 13m
Frontier
Deal found 4/26![Frontier logo]()
$259
This Delta deal was found by Cheapflights users on 4/25. 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 5/296:10 am
BWI
- SEA
1 stop7h 55m
Delta
Wed 6/37:59 pm
SEA
- BWI
1 stop6h 46m
Delta
Deal found 4/25![Delta logo]()
$259
This Orbitz deal was found by Cheapflights users on 4/25. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/319:12 am
IAD
- SEA
1 stop28h 24m
Frontier
Fri 6/58:20 pm
SEA
- IAD
1 stop8h 52m
Frontier
Deal found 4/25![Frontier logo]()
$261
This Orbitz deal was found by Cheapflights users on 4/25. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/317:00 am
DCA
- SEA
1 stop30h 06m
Frontier
Fri 6/53:19 pm
SEA
- DCA
1 stop27h 39m
Frontier
Deal found 4/25![Frontier logo]()
$261
Best flights from Maryland to SeattleDiscover carefully curated flight deals from Maryland to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 30, 2026.
Discover carefully curated flight deals from Maryland to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 30, 2026.
This Delta deal was found by Cheapflights users on 4/25. 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 5/296:10 am
BWI
- SEA
1 stop7h 55m
Delta
Mon 6/111:59 pm
SEA
- BWI
1 stop8h 06m
Delta
Deal found 4/25![Delta logo]()
$238
This Alaska Airlines deal was found by Cheapflights users on 4/27. 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.
Mon 6/16:00 am
IAD
- SEA
Nonstop5h 46m
Alaska Airlines
Fri 6/58:22 am
SEA
- IAD
Nonstop5h 13m
Alaska Airlines
Deal found 4/27![Alaska Airlines logo]()
$331
This Southwest deal was found by Cheapflights users on 4/28. 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 6/511:40 am
DCA
- SEA
2 stops11h 30m
Southwest
Mon 6/811:05 pm
SEA
- DCA
1 stop6h 20m
Southwest
Deal found 4/28![Southwest logo]()
$351
This United Airlines deal was found by Cheapflights users on 4/25. 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 6/512:55 pm
IAD
- SEA
Nonstop5h 45m
United Airlines
Sun 6/711:20 pm
SEA
- IAD
Nonstop5h 02m
United Airlines
Deal found 4/25![United Airlines logo]()
$368
This Delta deal was found by Cheapflights users on 4/28. 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 6/56:45 pm
PHL
- SEA
Nonstop5h 50m
Delta
Sun 6/149:25 am
SEA
- PHL
Nonstop5h 10m
Delta
Deal found 4/28![Delta logo]()
$329
This Alaska Airlines deal was found by Cheapflights users on 4/25. 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 6/45:35 pm
IAD
- SEA
Nonstop5h 54m
Alaska Airlines
Wed 6/104:01 pm
SEA
- IAD
Nonstop4h 58m
Alaska Airlines
Deal found 4/25![Alaska Airlines logo]()
$334
This Southwest deal was found by Cheapflights users on 4/26. 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 10/246:45 am
PHL
- SEA
2 stops12h 55m
Southwest
Sat 10/315:45 am
SEA
- PHL
2 stops12h 35m
Southwest
Deal found 4/26![Southwest logo]()
$359
This American Airlines deal was found by Cheapflights users on 4/28. 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.
Thu 9/176:41 am
SBY
- SEA
1 stop19h 10m
American Airlines
Sat 9/268:20 am
SEA
- SBY
1 stop11h 40m
American Airlines
Deal found 4/28![American Airlines logo]()
$720
This Delta deal was found by Cheapflights users on 4/28. 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 7/305:09 pm
PHL
- SEA
1 stop9h 50m
Delta
Mon 8/39:30 pm
SEA
- PHL
Nonstop5h 23m
Delta
Deal found 4/28![Delta logo]()
$339
This United Airlines deal was found by Cheapflights users on 4/26. 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 6/295:32 pm
BWI
- SEA
1 stop9h 42m
United Airlines
Mon 7/610:40 pm
SEA
- BWI
1 stop7h 37m
United Airlines
Deal found 4/26![United Airlines logo]()
$374
This Alaska Airlines deal was found by Cheapflights users on 4/25. 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.
Tue 6/27:35 pm
BWI
- SEA
Nonstop5h 51m
Alaska Airlines
Thu 6/119:36 pm
SEA
- BWI
Nonstop5h 05m
Alaska Airlines
Deal found 4/25![Alaska Airlines logo]()
$347
This Delta deal was found by Cheapflights users on 4/26. 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 5/246:12 am
PHL
- SEA
1 stop7h 53m
Delta
Mon 6/19:20 pm
SEA
- PHL
Nonstop5h 15m
Delta
Deal found 4/26![Delta logo]()
$339
This United Airlines deal was found by Cheapflights users on 4/29. 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 5/246:38 am
BWI
- SEA
1 stop10h 52m
United Airlines
Wed 5/277:00 am
SEA
- BWI
1 stop7h 33m
United Airlines
Deal found 4/29![United Airlines logo]()
$392
This Alaska Airlines deal was found by Cheapflights users on 4/27. 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.
Mon 6/16:59 pm
DCA
- SEA
1 stop16h 18m
Alaska Airlines
Fri 6/58:00 am
SEA
- DCA
Nonstop5h 19m
Alaska Airlines
Deal found 4/27![Alaska Airlines logo]()
$366
This Southwest deal was found by Cheapflights users on 4/26. 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 7/304:55 pm
DCA
- SEA
2 stops9h 10m
Southwest
Sat 8/811:00 pm
SEA
- DCA
1 stop10h 45m
Southwest
Deal found 4/26![Southwest logo]()
$406
This Delta deal was found by Cheapflights users on 4/29. 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 6/46:45 pm
PHL
- SEA
Nonstop5h 50m
Delta
Sun 6/711:59 pm
SEA
- PHL
1 stop7h 48m
Delta
Deal found 4/29![Delta logo]()
$339
This Delta deal was found by Cheapflights users on 4/29. 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 7/137:05 am
PHL
- SEA
Nonstop5h 56m
Delta
Mon 7/207:50 pm
SEA
- PHL
1 stop7h 25m
Delta
Deal found 4/29![Delta logo]()
$339
This Southwest deal was found by Cheapflights users on 4/28. 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 7/74:25 pm
DCA
- SEA
2 stops11h 05m
Southwest
Tue 7/2110:45 pm
SEA
- DCA
1 stop6h 40m
Southwest
Deal found 4/28![Southwest logo]()
$411
This Alaska Airlines deal was found by Cheapflights users on 4/29. 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.
Tue 7/146:03 am
IAD
- SEA
Nonstop5h 45m
Alaska Airlines
Sat 7/189:13 am
SEA
- IAD
Nonstop4h 58m
Alaska Airlines
Deal found 4/29![Alaska Airlines logo]()
$379
This United Airlines deal was found by Cheapflights users on 4/28. 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 6/45:32 pm
BWI
- SEA
1 stop9h 27m
United Airlines
Mon 6/810:40 pm
SEA
- BWI
1 stop7h 37m
United Airlines
Deal found 4/28![United Airlines logo]()
$417
This Delta deal was found by Cheapflights users on 4/26. 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 6/96:45 pm
PHL
- SEA
Nonstop6h 14m
Delta
Sat 6/136:05 am
SEA
- PHL
1 stop9h 02m
Delta
Deal found 4/26![Delta logo]()
$339
This United Airlines deal was found by Cheapflights users on 4/26. 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 5/2410:31 am
IAD
- SEA
1 stop8h 10m
United Airlines
Sat 5/301:51 pm
SEA
- IAD
1 stop8h 08m
United Airlines
Deal found 4/26![United Airlines logo]()
$426
This Southwest deal was found by Cheapflights users on 4/29. 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 6/53:15 pm
BWI
- SEA
2 stops9h 35m
Southwest
Thu 6/119:25 pm
SEA
- BWI
Nonstop4h 55m
Southwest
Deal found 4/29![Southwest logo]()
$428
This Alaska Airlines deal was found by Cheapflights users on 4/29. 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.
Sat 5/304:17 pm
BWI
- SEA
1 stop29h 37m
Alaska Airlines
Sun 5/3110:20 pm
SEA
- BWI
Nonstop5h 08m
Alaska Airlines
Deal found 4/29![Alaska Airlines logo]()
$397
This Delta deal was found by Cheapflights users on 4/28. 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 6/97:00 am
IAD
- SEA
Nonstop5h 45m
Delta
Sat 6/134:20 pm
SEA
- IAD
Nonstop5h 05m
Delta
Deal found 4/28![Delta logo]()
$341
This United Airlines deal was found by Cheapflights users on 4/28. 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.
Wed 5/276:10 am
IAD
- SEA
1 stop8h 28m
United Airlines
Fri 5/292:36 pm
SEA
- IAD
1 stop7h 09m
United Airlines
Deal found 4/28![United Airlines logo]()
$437
This Delta deal was found by Cheapflights users on 4/29. 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 5/309:45 am
PHL
- SEA
1 stop8h 08m
Delta
Sat 6/69:45 pm
SEA
- PHL
1 stop10h 17m
Delta
Deal found 4/29![Delta logo]()
$349
This Southwest deal was found by Cheapflights users on 4/27. 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 5/3012:15 pm
DCA
- SEA
2 stops11h 20m
Southwest
Tue 6/910:45 pm
SEA
- DCA
1 stop6h 40m
Southwest
Deal found 4/27![Southwest logo]()
$476
This Delta deal was found by Cheapflights users on 4/28. 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 5/286:45 pm
PHL
- SEA
1 stop8h 27m
Delta
Mon 6/111:59 pm
SEA
- PHL
1 stop7h 31m
Delta
Deal found 4/28![Delta logo]()
$349
This Alaska Airlines deal was found by Cheapflights users on 4/28. 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 10/169:30 am
DCA
- SEA
1 stop10h 27m
Alaska Airlines
Mon 10/191:51 pm
SEA
- DCA
Nonstop5h 08m
Alaska Airlines
Deal found 4/28![Alaska Airlines logo]()
$472
Last-minute flights from Maryland to SeattleDiscover last-minute flight deals from Maryland to Seattle. Data last updated April 30, 2026 and is based on user searches.
Discover last-minute flight deals from Maryland to Seattle. Data last updated April 30, 2026 and is based on user searches.
This Super.com deal was found by Cheapflights users on 4/27. 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.
Wed 5/61:59 pm
DCA
- SEA
1 stop22h 50m
Frontier
Fri 5/87:50 pm
SEA
- DCA
1 stop14h 09m
Frontier
Deal found 4/27![Frontier logo]()
$268
This Booking.com deal was found by Cheapflights users on 4/27. 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.
Wed 5/61:59 pm
DCA
- SEA
1 stop22h 50m
Frontier
Thu 5/77:50 pm
SEA
- DCA
1 stop23h 08m
Frontier
Deal found 4/27![Frontier logo]()
$275
This Super.com deal was found by Cheapflights users on 4/28. 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.
Sat 5/91:59 pm
DCA
- SEA
1 stop22h 50m
Frontier
Tue 5/127:50 pm
SEA
- DCA
1 stop14h 09m
Frontier
Deal found 4/28![Frontier logo]()
$274
This Expedia deal was found by Cheapflights users on 4/26. 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.
Sat 5/237:37 pm
IAD
- SEA
1 stop16h 48m
Multiple Airlines
Fri 5/298:20 pm
SEA
- IAD
1 stop8h 52m
Multiple Airlines
Deal found 4/26![Multiple Airlines logo]()
$294
This CheapOair deal was found by Cheapflights users on 4/29. 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.
Wed 5/277:35 pm
BWI
- SEA
Nonstop5h 51m
Alaska Airlines
Fri 6/510:20 pm
SEA
- BWI
Nonstop5h 08m
Alaska Airlines
Deal found 4/29![Alaska Airlines logo]()
$257
This American Airlines deal was found by Cheapflights users on 4/27. 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 5/275:01 am
BWI
- SEA
1 stop7h 49m
American Airlines
Wed 6/37:10 am
SEA
- BWI
1 stop10h 30m
American Airlines
Deal found 4/27![American Airlines logo]()
$277
This United Airlines deal was found by Cheapflights users on 4/28. 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 5/283:15 pm
IAD
- SEA
1 stop9h 53m
United Airlines
Thu 6/411:20 pm
SEA
- IAD
Nonstop5h 02m
United Airlines
Deal found 4/28![United Airlines logo]()
$297
This Delta deal was found by Cheapflights users on 4/25. 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 5/296:10 am
BWI
- SEA
1 stop7h 55m
Delta
Mon 6/111:59 pm
SEA
- BWI
1 stop8h 06m
Delta
Deal found 4/25![Delta logo]()
$238
This Delta deal was found by Cheapflights users on 4/25. 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 5/296:10 am
BWI
- SEA
1 stop7h 55m
Delta
Wed 6/37:59 pm
SEA
- BWI
1 stop6h 46m
Delta
Deal found 4/25![Delta logo]()
$259
This Alaska Airlines deal was found by Cheapflights users on 4/29. 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.
Sat 5/306:00 am
IAD
- SEA
Nonstop5h 46m
Alaska Airlines
Tue 6/93:53 pm
SEA
- IAD
Nonstop5h 06m
Alaska Airlines
Deal found 4/29![Alaska Airlines logo]()
$291
This Orbitz deal was found by Cheapflights users on 4/25. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/319:12 am
IAD
- SEA
1 stop28h 24m
Frontier
Fri 6/58:20 pm
SEA
- IAD
1 stop8h 52m
Frontier
Deal found 4/25![Frontier logo]()
$261
This Super.com deal was found by Cheapflights users on 4/25. 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 5/319:12 am
IAD
- SEA
1 stop28h 24m
Frontier
Tue 6/98:12 pm
SEA
- IAD
1 stop9h 13m
Frontier
Deal found 4/25![Frontier logo]()
$277
One-way flights from Maryland to SeattleSearch for one-way flight options from Maryland to Seattle. Find affordable one-way fares based on user searches. Data last updated April 30, 2026.
Search for one-way flight options from Maryland to Seattle. Find affordable one-way fares based on user searches. Data last updated April 30, 2026.
This Delta deal was found by Cheapflights users on 4/27. 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 7/277:10 pm
BWI
- SEA
1 stop7h 48m
Delta
Deal found 4/27![Delta logo]()
$109
This United Airlines deal was found by Cheapflights users on 4/29. 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.
Tue 7/287:10 pm
BWI
- SEA
1 stop8h 04m
United Airlines
Deal found 4/29![United Airlines logo]()
$119
This Kiwi.com deal was found by Cheapflights users on 4/29. 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 6/88:52 am
BWI
- SEA
2 stops28h 43m
Frontier
Deal found 4/29![Frontier logo]()
$122
This United Airlines deal was found by Cheapflights users on 4/25. 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.
Wed 5/276:38 am
BWI
- SEA
1 stop8h 56m
United Airlines
Deal found 4/25![United Airlines logo]()
$126
This Delta deal was found by Cheapflights users on 4/29. 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 6/297:05 am
BWI
- SEA
1 stop8h 47m
Delta
Deal found 4/29![Delta logo]()
$129
This Delta deal was found by Cheapflights users on 4/27. 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 6/306:19 am
BWI
- SEA
1 stop9h 39m
Delta
Deal found 4/27![Delta logo]()
$130
This Kiwi.com deal was found by Cheapflights users on 4/27. 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 6/19:23 pm
BWI
- SEA
2 stops39h 43m
Frontier
Deal found 4/27![Frontier logo]()
$131
This Kiwi.com deal was found by Cheapflights users on 4/29. 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.
Tue 5/269:13 pm
BWI
- SEA
2 stops39h 53m
Frontier
Deal found 4/29![Frontier logo]()
$138
This Delta deal was found by Cheapflights users on 4/29. 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.
Wed 7/157:10 pm
BWI
- SEA
1 stop7h 48m
Delta
Deal found 4/29![Delta logo]()
$140
This Kiwi.com deal was found by Cheapflights users on 4/27. 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.
Sun 6/79:43 pm
BWI
- SEA
2 stops39h 05m
Frontier
Deal found 4/27![Frontier logo]()
$141
This Trip.com deal was found by Cheapflights users on 4/30. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/159:32 pm
BWI
- SEA
2 stops39h 16m
Frontier
Deal found 4/30![Frontier logo]()
$144
This Super.com deal was found by Cheapflights users on 4/26. 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 5/247:00 am
DCA
- SEA
1 stop10h 01m
Frontier
Deal found 4/26![Frontier logo]()
$144
Find flight deals from Maryland to Seattle
Keep the following information in mind while searching for Maryland to Seattle flight deals. Data was last updated April 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $217 (Delta) |
One-way from | $109 (Delta) |
Popular in | July |
Cheapest in | February |
Average price | $342 |
Good round-trip deal | $390 or less |
Good one-way deal | $258 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Maryland to Seattle 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 April 30, 2026.
Use the filters below to find and compare flights from Maryland to Seattle that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BaltimoreSeattle
BWI - SEA
BWISEA
Baltimore/Washington
Fri 5/29
6:10 am-11:05 am
1 stop7h 55m
Seattle/Tacoma Intl
Mon 6/1
11:59 pm-11:05 am
1 stop8h 06m
$238
PhiladelphiaSeattle
PHL - SEA
PHLSEA
Philadelphia
Fri 6/5
6:45 pm-9:35 pm
Nonstop5h 50m
Seattle/Tacoma Intl
Sun 6/14
9:25 am-5:35 pm
Nonstop5h 10m
$329
Washington, D.C.Seattle
IAD - SEA
IADSEA
Washington, D.C. Dulles Intl
Mon 6/1
6:00 am-8:46 am
Nonstop5h 46m
Seattle/Tacoma Intl
Fri 6/5
8:22 am-4:35 pm
Nonstop5h 13m
$331
Washington, D.C.Seattle
IAD - SEA
IADSEA
Washington, D.C. Dulles Intl
Thu 6/4
5:35 pm-8:29 pm
Nonstop5h 54m
Seattle/Tacoma Intl
Wed 6/10
4:01 pm-11:59 pm
Nonstop4h 58m
$334
PhiladelphiaSeattle
PHL - SEA
PHLSEA
Philadelphia
Thu 7/30
5:09 pm-11:59 pm
1 stop9h 50m
Seattle/Tacoma Intl
Mon 8/3
9:30 pm-5:53 am
Nonstop5h 23m
$339
PhiladelphiaSeattle
PHL - SEA
PHLSEA
Philadelphia
Sun 5/24
6:12 am-11:05 am
1 stop7h 53m
Seattle/Tacoma Intl
Mon 6/1
9:20 pm-5:35 am
Nonstop5h 15m
$339
PhiladelphiaSeattle
PHL - SEA
PHLSEA
Philadelphia
Thu 6/4
6:45 pm-9:35 pm
Nonstop5h 50m
Seattle/Tacoma Intl
Sun 6/7
11:59 pm-10:47 am
1 stop7h 48m
$339
PhiladelphiaSeattle
PHL - SEA
PHLSEA
Philadelphia
Mon 7/13
7:05 am-10:01 am
Nonstop5h 56m
Seattle/Tacoma Intl
Mon 7/20
7:50 pm-6:15 am
1 stop7h 25m
$339
PhiladelphiaSeattle
PHL - SEA
PHLSEA
Philadelphia
Tue 6/9
6:45 pm-9:59 pm
Nonstop6h 14m
Seattle/Tacoma Intl
Sat 6/13
6:05 am-6:07 pm
1 stop9h 02m
$339
Washington, D.C.Seattle
IAD - SEA
IADSEA
Washington, D.C. Dulles Intl
Tue 6/9
7:00 am-9:45 am
Nonstop5h 45m
Seattle/Tacoma Intl
Sat 6/13
4:20 pm-12:25 am
Nonstop5h 05m
$341
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Maryland to Seattle
Have a flexible travel schedule? Discover the best time to fly to Seattle from Maryland with our price prediction graph.
BWI-SEA
IAD-SEA
DCA-SEA
PHL-SEA
SBY-SEA
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 Maryland to Seattle
USMD-SEA
BWI-SEA
IAD-SEA
DCA-SEA
PHL-SEA
How far ahead should I book a flight from Maryland to Seattle?
The best time to book flights from Maryland to Seattle is 59 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Maryland to Seattle?
Currently, March is the cheapest month in which you can book a flight from Maryland to Seattle (average of $98). Flying from Maryland to Seattle in December is currently the most expensive (average of $184). 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 MD to SEA?
Find hourly flight availability from Maryland to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 30, 2026.
It’s typically best to fly out from Maryland to Seattle in the evening. Doing so could potentially save you 11% on the flight price compared to flying in the afternoon, which is usually more expensive.
How much does it cost to fly round-trip from Maryland to Seattle?
Related info for your journey
Find useful and relevant information for your journey from Maryland to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Seattle?
Book flights to Seattle if you plan to visit one of these locationsSeaTac
Tacoma
Ocean Shores
Olympia
Lynnwood
Lacey
Edmonds
Leavenworth
Snoqualmie
Tumwater
Tukwila
Puyallup
Kent
Renton
Kirkland
Ellensburg
Fife
Lakewood
Issaquah
Shoreline
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Alternative routes for Maryland to Seattle
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Complete your trip
Complete your trip to Seattle by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Maryland to Seattle by cabin class
Find flights from Maryland to Seattle, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Maryland and Seattle flights
Browse other Maryland and Seattle flight options. Last updated on April 30, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Seattle
Explore flights to Seattle departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on April 30, 2026.
Top 10 airlines flying from Maryland to Seattle
Discover the top 10 airlines that operate flights from Maryland to Seattle. 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 April 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$100 | Average$295 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$126 | Average$279 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$137 | Average$228 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$158 | Average$400 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$179 | Average$301 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$186 | Average$388 | FlexibilityNo cancel fee | On-time83% | |
| Cheapest$209 | Average$365 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$219 | Average$369 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$236 | Average$462 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$265 | Average$433 | FlexibilityNo cancel fee | On-time75% |