$153+ 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 8/18. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — SEA
Jul 3 — Jul 101
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 June 3, 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 June 3, 2026.
This American Airlines deal was found by Cheapflights users on 6/1. 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 9/910:38 am
BWI
- SEA
1 stop10h 59m
American Airlines
Thu 9/1011:59 pm
SEA
- BWI
1 stop8h 10m
American Airlines
Deal found 6/1![American Airlines logo]()
$238
This Southwest deal was found by Cheapflights users on 5/29. 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 9/1510:20 am
BWI
- SEA
Nonstop5h 40m
Southwest
Wed 9/2310:30 pm
SEA
- BWI
Nonstop5h 00m
Southwest
Deal found 5/29![Southwest logo]()
$244
This Delta deal was found by Cheapflights users on 5/29. 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 8/1512:17 pm
BWI
- SEA
1 stop9h 28m
Delta
Mon 8/2411:59 pm
SEA
- BWI
1 stop7h 33m
Delta
Deal found 5/29![Delta logo]()
$248
This Alaska Airlines deal was found by Cheapflights users on 6/1. 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 9/176:18 pm
BWI
- SEA
Nonstop5h 42m
Alaska Airlines
Wed 9/2310:23 pm
SEA
- BWI
Nonstop5h 07m
Alaska Airlines
Deal found 6/1![Alaska Airlines logo]()
$252
This Delta deal was found by Cheapflights users on 5/29. 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.
Fri 8/287:17 pm
BWI
- SEA
1 stop7h 37m
Delta
Sun 8/305:10 am
SEA
- BWI
1 stop8h 39m
Delta
Deal found 5/29![Delta logo]()
$254
This American Airlines deal was found by Cheapflights users on 6/1. 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 9/175:20 pm
BWI
- SEA
1 stop8h 39m
American Airlines
Sat 9/266:40 am
SEA
- BWI
1 stop9h 53m
American Airlines
Deal found 6/1![American Airlines logo]()
$258
This Alaska Airlines deal was found by Cheapflights users on 5/31. 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 9/246:18 pm
BWI
- SEA
Nonstop5h 42m
Alaska Airlines
Mon 9/286:51 pm
SEA
- BWI
1 stop17h 49m
Alaska Airlines
Deal found 5/31![Alaska Airlines logo]()
$262
This Delta deal was found by Cheapflights users on 6/2. 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 8/295:36 pm
BWI
- SEA
1 stop7h 29m
Delta
Sat 9/55:10 am
SEA
- BWI
1 stop8h 39m
Delta
Deal found 6/2![Delta logo]()
$263
This Kiwi.com deal was found by Cheapflights users on 5/31. 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.
Thu 9/247:50 am
BWI
- SEA
Nonstop5h 39m
Alaska Airlines
Thu 9/246:51 pm
SEA
- BWI
1 stop17h 49m
Alaska Airlines
Deal found 5/31![Alaska Airlines logo]()
$268
This Southwest deal was found by Cheapflights users on 5/31. 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 8/269:10 am
BWI
- SEA
1 stop12h 25m
Southwest
Mon 8/315:50 pm
SEA
- BWI
1 stop9h 45m
Southwest
Deal found 5/31![Southwest logo]()
$277
This Delta deal was found by Cheapflights users on 5/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/136:20 pm
BWI
- SEA
1 stop8h 39m
Delta
Tue 8/186:31 pm
SEA
- BWI
1 stop8h 49m
Delta
Deal found 5/30![Delta logo]()
$278
This American Airlines deal was found by Cheapflights users on 5/30. 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.
Tue 9/84:25 pm
BWI
- SEA
1 stop8h 34m
American Airlines
Tue 9/156:40 am
SEA
- BWI
1 stop9h 53m
American Airlines
Deal found 5/30![American Airlines logo]()
$287
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 June 3, 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 June 3, 2026.
This Delta deal was found by Cheapflights users on 5/29. 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 8/317:00 am
PHL
- SEA
Nonstop5h 56m
Delta
Tue 9/89:50 pm
SEA
- PHL
Nonstop5h 15m
Delta
Deal found 5/29![Delta logo]()
$329
This United Airlines deal was found by Cheapflights users on 5/29. 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.
Fri 9/111:10 pm
IAD
- SEA
1 stop9h 05m
United Airlines
Sun 9/2011:04 pm
SEA
- IAD
Nonstop5h 03m
United Airlines
Deal found 5/29![United Airlines logo]()
$330
This Southwest deal was found by Cheapflights users on 5/29. 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.
Wed 8/193:15 pm
BWI
- SEA
1 stop9h 00m
Southwest
Thu 8/2711:00 pm
SEA
- BWI
1 stop8h 15m
Southwest
Deal found 5/29![Southwest logo]()
$332
This Alaska Airlines deal was found by Cheapflights users on 5/29. 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 9/225:00 pm
DCA
- SEA
Nonstop5h 51m
Alaska Airlines
Sat 9/267:40 am
SEA
- DCA
1 stop10h 20m
Alaska Airlines
Deal found 5/29![Alaska Airlines logo]()
$355
This Delta deal was found by Cheapflights users on 5/29. 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 8/266:05 am
PHL
- SEA
1 stop7h 26m
Delta
Fri 9/119:50 pm
SEA
- PHL
Nonstop5h 15m
Delta
Deal found 5/29![Delta logo]()
$339
This Southwest deal was found by Cheapflights users on 5/31. 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 8/2510:45 am
DCA
- SEA
2 stops10h 25m
Southwest
Tue 8/2511:05 pm
SEA
- DCA
1 stop9h 20m
Southwest
Deal found 5/31![Southwest logo]()
$340
This American Airlines deal was found by Cheapflights users on 5/30. 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 7/46:41 am
SBY
- SEA
1 stop8h 04m
American Airlines
Sat 7/1110:47 am
SEA
- SBY
1 stop8h 16m
American Airlines
Deal found 5/30![American Airlines logo]()
$708
This United Airlines deal was found by Cheapflights users on 6/2. 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 8/225:33 pm
IAD
- SEA
Nonstop5h 45m
United Airlines
Mon 8/3111:04 pm
SEA
- IAD
Nonstop5h 03m
United Airlines
Deal found 6/2![United Airlines logo]()
$365
This Alaska Airlines deal was found by Cheapflights users on 6/1. 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 8/275:47 pm
IAD
- SEA
Nonstop5h 47m
Alaska Airlines
Mon 8/317:50 pm
SEA
- IAD
1 stop19h 24m
Alaska Airlines
Deal found 6/1![Alaska Airlines logo]()
$370
This Delta deal was found by Cheapflights users on 5/29. 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 8/297:20 am
PHL
- SEA
1 stop10h 24m
Delta
Tue 9/89:50 pm
SEA
- PHL
Nonstop5h 15m
Delta
Deal found 5/29![Delta logo]()
$339
This Southwest deal was found by Cheapflights users on 6/1. 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 8/37:05 pm
DCA
- SEA
1 stop8h 30m
Southwest
Thu 8/135:15 am
SEA
- DCA
1 stop6h 35m
Southwest
Deal found 6/1![Southwest logo]()
$351
This Alaska Airlines deal was found by Cheapflights users on 5/30. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/57:35 pm
IAD
- SEA
1 stop16h 45m
Alaska Airlines
Sat 9/128:30 am
SEA
- IAD
Nonstop5h 13m
Alaska Airlines
Deal found 5/30![Alaska Airlines logo]()
$370
This Delta deal was found by Cheapflights users on 6/2. 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 7/216:57 pm
PHL
- SEA
1 stop8h 01m
Delta
Tue 7/289:20 pm
SEA
- PHL
Nonstop5h 09m
Delta
Deal found 6/2![Delta logo]()
$339
This United Airlines deal was found by Cheapflights users on 6/1. 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 8/35:41 pm
IAD
- SEA
1 stop8h 29m
United Airlines
Thu 8/1311:04 pm
SEA
- IAD
Nonstop5h 03m
United Airlines
Deal found 6/1![United Airlines logo]()
$389
This Southwest deal was found by Cheapflights users on 6/2. 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 9/2112:20 pm
BWI
- SEA
Nonstop5h 40m
Southwest
Mon 9/2810:30 pm
SEA
- BWI
Nonstop5h 00m
Southwest
Deal found 6/2![Southwest logo]()
$377
This Delta deal was found by Cheapflights users on 6/2. 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 8/187:20 am
PHL
- SEA
1 stop8h 39m
Delta
Sun 8/236:00 am
SEA
- PHL
1 stop9h 49m
Delta
Deal found 6/2![Delta logo]()
$349
This Southwest deal was found by Cheapflights users on 5/29. 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.
Thu 8/2712:45 pm
PHL
- SEA
1 stop8h 35m
Southwest
Tue 9/16:40 am
SEA
- PHL
2 stops8h 20m
Southwest
Deal found 5/29![Southwest logo]()
$378
This Alaska Airlines deal was found by Cheapflights users on 6/1. 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 7/248:59 am
DCA
- SEA
1 stop12h 15m
Alaska Airlines
Wed 7/296:21 am
SEA
- DCA
1 stop11h 39m
Alaska Airlines
Deal found 6/1![Alaska Airlines logo]()
$416
This Delta deal was found by Cheapflights users on 6/1. 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 9/205:45 am
PHL
- SEA
1 stop7h 54m
Delta
Sun 9/277:59 pm
SEA
- PHL
1 stop7h 06m
Delta
Deal found 6/1![Delta logo]()
$349
This United Airlines deal was found by Cheapflights users on 5/31. 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 7/265:41 pm
IAD
- SEA
1 stop8h 29m
United Airlines
Thu 7/3011:20 pm
SEA
- IAD
Nonstop5h 02m
United Airlines
Deal found 5/31![United Airlines logo]()
$425
This Alaska Airlines deal was found by Cheapflights users on 6/1. 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 7/216:07 pm
BWI
- SEA
Nonstop5h 53m
Alaska Airlines
Sat 8/19:36 pm
SEA
- BWI
Nonstop5h 05m
Alaska Airlines
Deal found 6/1![Alaska Airlines logo]()
$417
This Delta deal was found by Cheapflights users on 6/2. 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 8/283:58 pm
PHL
- SEA
1 stop10h 59m
Delta
Sun 8/307:50 pm
SEA
- PHL
1 stop7h 15m
Delta
Deal found 6/2![Delta logo]()
$349
This Southwest deal was found by Cheapflights users on 5/31. 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 8/2510:50 am
BWI
- SEA
2 stops10h 20m
Southwest
Tue 8/2511:00 pm
SEA
- BWI
1 stop9h 35m
Southwest
Deal found 5/31![Southwest logo]()
$397
This United Airlines deal was found by Cheapflights users on 5/29. 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.
Sat 11/215:35 pm
IAD
- SEA
Nonstop5h 35m
United Airlines
Wed 12/28:00 am
SEA
- IAD
Nonstop4h 53m
United Airlines
Deal found 5/29![United Airlines logo]()
$444
This Alaska Airlines deal was found by Cheapflights users on 5/30. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/207:00 am
IAD
- SEA
Nonstop5h 37m
Alaska Airlines
Mon 8/249:35 pm
SEA
- IAD
Nonstop5h 05m
Alaska Airlines
Deal found 5/30![Alaska Airlines logo]()
$425
This Delta deal was found by Cheapflights users on 5/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/77:05 am
PHL
- SEA
Nonstop5h 56m
Delta
Mon 7/139:20 pm
SEA
- PHL
Nonstop5h 09m
Delta
Deal found 5/30![Delta logo]()
$364
This Southwest deal was found by Cheapflights users on 5/29. 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.
Thu 9/39:10 am
DCA
- SEA
1 stop12h 10m
Southwest
Mon 9/711:00 pm
SEA
- DCA
1 stop10h 05m
Southwest
Deal found 5/29![Southwest logo]()
$415
This United Airlines deal was found by Cheapflights users on 6/2. 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 8/81:10 pm
IAD
- SEA
Nonstop5h 45m
United Airlines
Thu 8/1311:04 pm
SEA
- IAD
Nonstop5h 03m
United Airlines
Deal found 6/2![United Airlines logo]()
$472
This Alaska Airlines deal was found by Cheapflights users on 6/2. 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 8/136:03 am
IAD
- SEA
Nonstop5h 45m
Alaska Airlines
Thu 8/203:56 pm
SEA
- IAD
Nonstop5h 03m
Alaska Airlines
Deal found 6/2![Alaska Airlines logo]()
$446
This American Airlines deal was found by Cheapflights users on 6/2. 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 stop17h 24m
American Airlines
Sat 9/268:20 am
SEA
- SBY
1 stop11h 39m
American Airlines
Deal found 6/2![American Airlines logo]()
$730
Last-minute flights from Maryland to SeattleDiscover last-minute flight deals from Maryland to Seattle. Data last updated June 3, 2026 and is based on user searches.
Discover last-minute flight deals from Maryland to Seattle. Data last updated June 3, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 6/1. 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 6/269:55 am
IAD
- SEA
1 stop27h 40m
Frontier
Fri 7/38:12 pm
SEA
- IAD
1 stop9h 13m
Frontier
Deal found 6/1![Frontier logo]()
$320
This Kiwi.com deal was found by Cheapflights users on 5/29. 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.
Sun 6/2810:34 am
BWI
- SEA
1 stop8h 08m
Alaska Airlines
Sun 7/58:34 am
SEA
- BWI
1 stop8h 09m
Alaska Airlines
Deal found 5/29![Alaska Airlines logo]()
$316
This Delta deal was found by Cheapflights users on 6/1. 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 6/307:00 am
IAD
- SEA
Nonstop5h 45m
Delta
Wed 7/224:05 pm
SEA
- IAD
Nonstop5h 03m
Delta
Deal found 6/1![Delta logo]()
$326
This Southwest deal was found by Cheapflights users on 5/31. 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 7/46:05 am
DCA
- SEA
2 stops12h 50m
Southwest
Wed 7/810:45 pm
SEA
- DCA
1 stop6h 40m
Southwest
Deal found 5/31![Southwest logo]()
$320
This Delta deal was found by Cheapflights users on 6/1. 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 7/136:20 pm
BWI
- SEA
1 stop8h 39m
Delta
Tue 8/186:31 pm
SEA
- BWI
1 stop8h 49m
Delta
Deal found 6/1![Delta logo]()
$263
This Delta deal was found by Cheapflights users on 6/1. 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 7/136:20 pm
BWI
- SEA
1 stop8h 39m
Delta
Wed 7/227:50 pm
SEA
- BWI
1 stop7h 10m
Delta
Deal found 6/1![Delta logo]()
$299
This Southwest deal was found by Cheapflights users on 5/31. 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 7/144:25 pm
DCA
- SEA
1 stop11h 00m
Southwest
Wed 7/299:30 am
SEA
- DCA
1 stop6h 25m
Southwest
Deal found 5/31![Southwest logo]()
$321
This United Airlines deal was found by Cheapflights users on 5/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/145:55 pm
IAD
- SEA
Nonstop5h 51m
United Airlines
Thu 7/2311:20 pm
SEA
- IAD
Nonstop5h 02m
United Airlines
Deal found 5/30![United Airlines logo]()
$323
This American Airlines deal was found by Cheapflights users on 6/1. 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.
Mon 7/207:17 pm
BWI
- SEA
1 stop8h 40m
American Airlines
Wed 7/295:10 am
SEA
- BWI
1 stop9h 38m
American Airlines
Deal found 6/1![American Airlines logo]()
$308
This American Airlines deal was found by Cheapflights users on 6/2. 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 7/211:55 pm
BWI
- SEA
1 stop9h 30m
American Airlines
Wed 7/2911:22 pm
SEA
- BWI
1 stop8h 46m
American Airlines
Deal found 6/2![American Airlines logo]()
$287
This Delta deal was found by Cheapflights users on 6/2. 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 7/217:10 pm
BWI
- SEA
1 stop7h 48m
Delta
Wed 7/297:50 pm
SEA
- BWI
1 stop7h 10m
Delta
Deal found 6/2![Delta logo]()
$293
This Alaska Airlines deal was found by Cheapflights users on 6/1. 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 7/216:03 am
IAD
- SEA
Nonstop5h 45m
Alaska Airlines
Tue 7/286:21 am
SEA
- IAD
1 stop9h 24m
Alaska Airlines
Deal found 6/1![Alaska Airlines logo]()
$325
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 June 3, 2026.
Search for one-way flight options from Maryland to Seattle. Find affordable one-way fares based on user searches. Data last updated June 3, 2026.
This United Airlines deal was found by Cheapflights users on 5/31. 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 8/187:00 am
IAD
- SEA
1 stop11h 39m
United Airlines
Deal found 5/31![United Airlines logo]()
$153
This CheapOair deal was found by Cheapflights users on 6/2. 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 8/199:20 am
IAD
- SEA
1 stop28h 15m
Frontier
Deal found 6/2![Frontier logo]()
$154
This American Airlines deal was found by Cheapflights users on 5/30. 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.
Tue 9/156:52 am
IAD
- SEA
1 stop9h 27m
American Airlines
Deal found 5/30![American Airlines logo]()
$155
This Trip.com deal was found by Cheapflights users on 5/29. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/128:59 am
DCA
- SEA
1 stop10h 59m
Alaska Airlines
Deal found 5/29![Alaska Airlines logo]()
$155
This Kiwi.com deal was found by Cheapflights users on 5/29. 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 8/118:59 am
DCA
- SEA
1 stop12h 15m
Alaska Airlines
Deal found 5/29![Alaska Airlines logo]()
$157
This United Airlines deal was found by Cheapflights users on 6/1. 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 8/105:41 pm
IAD
- SEA
1 stop8h 29m
United Airlines
Deal found 6/1![United Airlines logo]()
$158
This Alaska Airlines deal was found by Cheapflights users on 6/2. 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 8/2610:59 am
DCA
- SEA
1 stop11h 53m
Alaska Airlines
Deal found 6/2![Alaska Airlines logo]()
$158
This Alaska Airlines deal was found by Cheapflights users on 6/1. 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 8/264:43 pm
BWI
- SEA
1 stop8h 56m
Alaska Airlines
Deal found 6/1![Alaska Airlines logo]()
$159
This American Airlines deal was found by Cheapflights users on 5/30. 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.
Mon 6/155:02 am
BWI
- SEA
1 stop7h 48m
American Airlines
Deal found 5/30![American Airlines logo]()
$160
This Kiwi.com deal was found by Cheapflights users on 6/3. 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.
Sat 8/226:49 am
IAD
- SEA
2 stops29h 59m
Frontier
Deal found 6/3![Frontier logo]()
$161
This Kiwi.com deal was found by Cheapflights users on 6/2. 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 8/109:37 pm
BWI
- SEA
2 stops40h 02m
Frontier
Deal found 6/2![Frontier logo]()
$161
This American Airlines deal was found by Cheapflights users on 6/2. 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 9/195:34 pm
DCA
- SEA
1 stop8h 23m
American Airlines
Deal found 6/2![American Airlines logo]()
$161
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 June 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $238 (American Airlines) |
One-way from | $153 (United Airlines) |
Popular in | June |
Cheapest in | February |
Average price | $466 |
Good round-trip deal | $427 or less |
Good one-way deal | $230 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 June 3, 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
PhiladelphiaSeattle
PHL - SEA
PHLSEA
Philadelphia
Mon 8/31
7:00 am-9:56 am
Nonstop5h 56m
Seattle/Tacoma Intl
Tue 9/8
9:50 pm-6:05 am
Nonstop5h 15m
$329
Washington, D.C.Seattle
IAD - SEA
IADSEA
Washington, D.C. Dulles Intl
Fri 9/11
1:10 pm-7:15 pm
1 stop9h 05m
Seattle/Tacoma Intl
Sun 9/20
11:04 pm-7:07 am
Nonstop5h 03m
$330
BaltimoreSeattle
BWI - SEA
BWISEA
Baltimore/Washington
Wed 8/19
3:15 pm-9:15 pm
1 stop9h 00m
Seattle/Tacoma Intl
Thu 8/27
11:00 pm-10:15 am
1 stop8h 15m
$332
PhiladelphiaSeattle
PHL - SEA
PHLSEA
Philadelphia
Wed 8/26
6:05 am-10:31 am
1 stop7h 26m
Seattle/Tacoma Intl
Fri 9/11
9:50 pm-6:05 am
Nonstop5h 15m
$339
PhiladelphiaSeattle
PHL - SEA
PHLSEA
Philadelphia
Sat 8/29
7:20 am-2:44 pm
1 stop10h 24m
Seattle/Tacoma Intl
Tue 9/8
9:50 pm-6:05 am
Nonstop5h 15m
$339
PhiladelphiaSeattle
PHL - SEA
PHLSEA
Philadelphia
Tue 7/21
6:57 pm-11:58 pm
1 stop8h 01m
Seattle/Tacoma Intl
Tue 7/28
9:20 pm-5:29 am
Nonstop5h 09m
$339
Washington, D.C.Seattle
DCA - SEA
DCASEA
Washington, D.C. Reagan-National
Tue 8/25
10:45 am-6:10 pm
2 stops10h 25m
Seattle/Tacoma Intl
Tue 8/25
11:05 pm-11:25 am
1 stop9h 20m
$340
PhiladelphiaSeattle
PHL - SEA
PHLSEA
Philadelphia
Tue 8/18
7:20 am-12:59 pm
1 stop8h 39m
Seattle/Tacoma Intl
Sun 8/23
6:00 am-6:49 pm
1 stop9h 49m
$349
PhiladelphiaSeattle
PHL - SEA
PHLSEA
Philadelphia
Sun 9/20
5:45 am-10:39 am
1 stop7h 54m
Seattle/Tacoma Intl
Sun 9/27
7:59 pm-6:05 am
1 stop7h 06m
$349
PhiladelphiaSeattle
PHL - SEA
PHLSEA
Philadelphia
Fri 8/28
3:58 pm-11:57 pm
1 stop10h 59m
Seattle/Tacoma Intl
Sun 8/30
7:50 pm-6:05 am
1 stop7h 15m
$349
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
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 June 3, 2026.
It’s typically best to fly out from Maryland to Seattle in the evening. Doing so could potentially save you 7% on the flight price compared to flying in the morning, which is usually more expensive.
How much does it cost to fly round-trip from Maryland to Seattle?
How far ahead should I book a flight from Maryland to Seattle?
The best time to book flights from Maryland to Seattle is 52 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.
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
Lacey
Ocean Shores
Olympia
Edmonds
Leavenworth
Snoqualmie
Tumwater
Tukwila
Puyallup
Kent
Lynnwood
Renton
Ellensburg
Fife
Lakewood
Issaquah
Marysville
Shoreline
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for Maryland to Seattle
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Complete your trip
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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 June 3, 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 June 3, 2026.
Top 9 airlines flying from Maryland to Seattle
Discover the top 9 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 June 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$100 | Average$294 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$137 | Average$278 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$158 | Average$410 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$179 | Average$300 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$219 | Average$369 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$226 | Average$451 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$228 | Average$381 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$260 | Average$436 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$295 | Average$426 | FlexibilityNo cancel fee | On-time83% |