$64+ 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 4/20. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — SEA
Apr 5 — Apr 121
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 March 6, 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 March 6, 2026.
This Southwest deal was found by Cheapflights users on 3/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/148:50 am
BWI
- SEA
2 stops15h 10m
Southwest
Tue 4/2111:45 pm
SEA
- BWI
2 stops9h 05m
Southwest
Deal found 3/3![Southwest logo]()
$195
This Delta deal was found by Cheapflights users on 3/1. 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.
Wed 6/36:59 pm
BWI
- SEA
1 stop7h 44m
Delta
Tue 6/97:35 pm
SEA
- BWI
1 stop7h 28m
Delta
Deal found 3/1![Delta logo]()
$197
This Alaska Airlines deal was found by Cheapflights users on 3/5. 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 4/257:10 am
IAD
- SEA
Nonstop5h 48m
Alaska Airlines
Wed 4/299:41 pm
SEA
- IAD
Nonstop5h 09m
Alaska Airlines
Deal found 3/5![Alaska Airlines logo]()
$198
This American Airlines deal was found by Cheapflights users on 3/1. 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.
Sat 4/257:52 pm
BWI
- SEA
1 stop7h 44m
American Airlines
Wed 4/291:19 pm
SEA
- BWI
1 stop7h 37m
American Airlines
Deal found 3/1![American Airlines logo]()
$198
This Kiwi.com deal was found by Cheapflights users on 3/5. 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 4/136:00 pm
DCA
- SEA
1 stop18h 27m
Frontier
Tue 4/147:12 pm
SEA
- DCA
1 stop18h 47m
Frontier
Deal found 3/5![Frontier logo]()
$198
This Southwest deal was found by Cheapflights users on 3/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/225:30 pm
IAD
- SEA
1 stop9h 05m
Southwest
Thu 4/305:30 am
SEA
- IAD
1 stop7h 20m
Southwest
Deal found 3/3![Southwest logo]()
$199
This Southwest deal was found by Cheapflights users on 3/4. 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 4/227:00 pm
DCA
- SEA
1 stop8h 10m
Southwest
Wed 4/296:00 am
SEA
- DCA
1 stop7h 15m
Southwest
Deal found 3/4![Southwest logo]()
$199
This CheapOair deal was found by Cheapflights users on 3/3. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/166:00 pm
DCA
- SEA
1 stop18h 52m
Frontier
Sun 4/197:12 pm
SEA
- DCA
1 stop14h 48m
Frontier
Deal found 3/3![Frontier logo]()
$200
This Southwest deal was found by Cheapflights users on 3/2. 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.
Sat 5/95:50 am
IAD
- SEA
2 stops20h 10m
Southwest
Tue 5/129:20 am
SEA
- IAD
2 stops11h 20m
Southwest
Deal found 3/2![Southwest logo]()
$201
This Booking.com deal was found by Cheapflights users on 3/4. 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 4/137:00 am
DCA
- SEA
1 stop29h 27m
Frontier
Thu 4/164:20 pm
SEA
- DCA
1 stop26h 39m
Frontier
Deal found 3/4![Frontier logo]()
$202
This American Airlines deal was found by Cheapflights users on 3/4. 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 4/156:31 pm
BWI
- SEA
1 stop9h 05m
American Airlines
Tue 4/2110:25 am
SEA
- BWI
1 stop9h 44m
American Airlines
Deal found 3/4![American Airlines logo]()
$203
This Southwest deal was found by Cheapflights users on 3/4. 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 4/224:30 pm
IAD
- SEA
1 stop9h 00m
Southwest
Wed 4/299:20 am
SEA
- IAD
1 stop11h 20m
Southwest
Deal found 3/4![Southwest logo]()
$204
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 March 6, 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 March 6, 2026.
This Southwest deal was found by Cheapflights users on 3/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/63:20 pm
DCA
- SEA
1 stop12h 10m
Southwest
Sun 4/1211:55 pm
SEA
- DCA
1 stop8h 15m
Southwest
Deal found 3/3![Southwest logo]()
$204
This Delta deal was found by Cheapflights users on 3/4. 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 4/2212:45 pm
IAD
- SEA
1 stop10h 14m
Delta
Sun 4/263:59 pm
SEA
- IAD
Nonstop4h 56m
Delta
Deal found 3/4![Delta logo]()
$208
This United Airlines deal was found by Cheapflights users on 3/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/95:55 pm
IAD
- SEA
Nonstop5h 58m
United Airlines
Wed 5/132:27 pm
SEA
- IAD
1 stop7h 31m
United Airlines
Deal found 3/3![United Airlines logo]()
$210
This Alaska Airlines deal was found by Cheapflights users on 3/1. 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 5/147:37 pm
IAD
- SEA
1 stop30h 41m
Alaska Airlines
Sun 5/1711:30 pm
SEA
- IAD
Nonstop5h 04m
Alaska Airlines
Deal found 3/1![Alaska Airlines logo]()
$316
This Southwest deal was found by Cheapflights users on 3/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/75:15 pm
DCA
- SEA
2 stops10h 25m
Southwest
Mon 5/116:30 am
SEA
- DCA
2 stops10h 25m
Southwest
Deal found 3/3![Southwest logo]()
$209
This Delta deal was found by Cheapflights users on 3/5. 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 4/224:39 pm
DCA
- SEA
Nonstop5h 51m
Delta
Tue 4/287:30 am
SEA
- DCA
Nonstop4h 57m
Delta
Deal found 3/5![Delta logo]()
$217
This Delta deal was found by Cheapflights users on 3/2. 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.
Sun 4/267:00 am
IAD
- SEA
Nonstop5h 54m
Delta
Thu 4/303:59 pm
SEA
- IAD
Nonstop4h 56m
Delta
Deal found 3/2![Delta logo]()
$219
This United Airlines deal was found by Cheapflights users on 3/1. 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.
Thu 5/710:05 am
DCA
- SEA
1 stop9h 07m
United Airlines
Sun 5/1011:53 pm
SEA
- DCA
1 stop8h 06m
United Airlines
Deal found 3/1![United Airlines logo]()
$261
This Southwest deal was found by Cheapflights users on 3/1. 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.
Thu 4/169:40 am
BWI
- SEA
1 stop15h 55m
Southwest
Thu 4/239:40 am
SEA
- BWI
2 stops10h 50m
Southwest
Deal found 3/1![Southwest logo]()
$246
This Delta deal was found by Cheapflights users on 3/1. 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.
Thu 3/195:40 am
BWI
- SEA
1 stop7h 53m
Delta
Tue 3/244:55 pm
SEA
- BWI
1 stop9h 56m
Delta
Deal found 3/1![Delta logo]()
$228
This United Airlines deal was found by Cheapflights users on 3/4. 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 4/66:05 am
BWI
- SEA
1 stop11h 41m
United Airlines
Fri 4/1011:59 pm
SEA
- BWI
1 stop6h 40m
United Airlines
Deal found 3/4![United Airlines logo]()
$279
This Southwest deal was found by Cheapflights users on 3/4. 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 4/275:55 pm
IAD
- SEA
1 stop8h 35m
Southwest
Thu 4/305:30 am
SEA
- IAD
1 stop7h 20m
Southwest
Deal found 3/4![Southwest logo]()
$258
This Alaska Airlines deal was found by Cheapflights users on 3/6. 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 6/14:17 pm
BWI
- SEA
1 stop9h 17m
Alaska Airlines
Tue 6/910:20 pm
SEA
- BWI
Nonstop5h 08m
Alaska Airlines
Deal found 3/6![Alaska Airlines logo]()
$327
This Delta deal was found by Cheapflights users on 3/1. 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 4/206:59 pm
DCA
- SEA
1 stop7h 55m
Delta
Fri 5/17:30 am
SEA
- DCA
Nonstop4h 57m
Delta
Deal found 3/1![Delta logo]()
$247
This Southwest deal was found by Cheapflights users on 3/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/239:40 am
BWI
- SEA
1 stop15h 55m
Southwest
Mon 4/275:15 am
SEA
- BWI
2 stops8h 50m
Southwest
Deal found 3/3![Southwest logo]()
$259
This Alaska Airlines deal was found by Cheapflights users on 3/4. 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 6/197:35 am
PHL
- SEA
Nonstop6h 01m
Alaska Airlines
Tue 6/2310:01 pm
SEA
- PHL
Nonstop5h 14m
Alaska Airlines
Deal found 3/4![Alaska Airlines logo]()
$328
This American Airlines deal was found by Cheapflights users on 3/2. 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 3/177:43 am
SBY
- SEA
2 stops13h 46m
American Airlines
Fri 3/2012:13 am
SEA
- SBY
2 stops11h 00m
American Airlines
Deal found 3/2![American Airlines logo]()
$753
This United Airlines deal was found by Cheapflights users on 3/5. 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 4/65:55 pm
IAD
- SEA
Nonstop5h 58m
United Airlines
Sun 4/1210:35 pm
SEA
- IAD
1 stop10h 13m
United Airlines
Deal found 3/5![United Airlines logo]()
$317
This Southwest deal was found by Cheapflights users on 3/1. 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.
Tue 3/175:10 pm
BWI
- SEA
2 stops9h 45m
Southwest
Tue 3/247:00 pm
SEA
- BWI
1 stop7h 45m
Southwest
Deal found 3/1![Southwest logo]()
$264
This Delta deal was found by Cheapflights users on 3/1. 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.
Thu 5/147:00 am
IAD
- SEA
Nonstop5h 44m
Delta
Sat 5/234:05 pm
SEA
- IAD
Nonstop5h 10m
Delta
Deal found 3/1![Delta logo]()
$267
This Alaska Airlines deal was found by Cheapflights users on 3/3. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/244:17 pm
BWI
- SEA
1 stop22h 42m
Alaska Airlines
Mon 6/810:20 pm
SEA
- BWI
Nonstop5h 08m
Alaska Airlines
Deal found 3/3![Alaska Airlines logo]()
$345
This United Airlines deal was found by Cheapflights users on 3/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/912:40 pm
DCA
- SEA
2 stops15h 32m
United Airlines
Tue 5/127:00 am
SEA
- DCA
1 stop9h 05m
United Airlines
Deal found 3/3![United Airlines logo]()
$334
This Delta deal was found by Cheapflights users on 3/1. 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.
Wed 5/277:00 am
IAD
- SEA
Nonstop5h 44m
Delta
Tue 6/24:05 pm
SEA
- IAD
Nonstop5h 08m
Delta
Deal found 3/1![Delta logo]()
$277
This Southwest deal was found by Cheapflights users on 3/1. 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.
Wed 4/83:10 pm
BWI
- SEA
2 stops11h 25m
Southwest
Wed 4/156:30 am
SEA
- BWI
2 stops8h 50m
Southwest
Deal found 3/1![Southwest logo]()
$284
This Alaska Airlines deal was found by Cheapflights users on 3/4. 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 6/197:35 am
PHL
- SEA
Nonstop6h 01m
Alaska Airlines
Wed 6/2410:01 pm
SEA
- PHL
Nonstop5h 14m
Alaska Airlines
Deal found 3/4![Alaska Airlines logo]()
$368
This United Airlines deal was found by Cheapflights users on 3/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/26:33 am
IAD
- SEA
1 stop8h 24m
United Airlines
Wed 6/102:36 pm
SEA
- IAD
1 stop7h 09m
United Airlines
Deal found 3/3![United Airlines logo]()
$337
This Delta deal was found by Cheapflights users on 3/4. 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 5/126:05 am
DCA
- SEA
1 stop8h 00m
Delta
Mon 5/257:20 am
SEA
- DCA
Nonstop5h 10m
Delta
Deal found 3/4![Delta logo]()
$282
This Southwest deal was found by Cheapflights users on 3/1. 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.
Tue 6/96:40 pm
PHL
- SEA
1 stop8h 40m
Southwest
Sat 6/136:15 am
SEA
- PHL
1 stop11h 40m
Southwest
Deal found 3/1![Southwest logo]()
$305
This Delta deal was found by Cheapflights users on 3/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/257:10 am
PHL
- SEA
Nonstop5h 50m
Delta
Mon 6/19:20 pm
SEA
- PHL
Nonstop5h 15m
Delta
Deal found 3/3![Delta logo]()
$289
This United Airlines deal was found by Cheapflights users on 3/4. 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 4/13:42 pm
BWI
- SEA
1 stop10h 00m
United Airlines
Mon 4/610:35 pm
SEA
- BWI
1 stop8h 04m
United Airlines
Deal found 3/4![United Airlines logo]()
$360
Last-minute flights from Maryland to SeattleDiscover last-minute flight deals from Maryland to Seattle. Data last updated March 6, 2026 and is based on user searches.
Discover last-minute flight deals from Maryland to Seattle. Data last updated March 6, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 3/2. 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 4/45:40 am
BWI
- SEA
1 stop7h 53m
Delta
Mon 4/1311:14 pm
SEA
- BWI
1 stop9h 25m
Delta
Deal found 3/2![Delta logo]()
$197
This Southwest deal was found by Cheapflights users on 3/5. 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.
Sun 4/55:50 pm
BWI
- SEA
2 stops10h 50m
Southwest
Tue 4/145:35 pm
SEA
- BWI
1 stop9h 10m
Southwest
Deal found 3/5![Southwest logo]()
$204
This Kiwi.com deal was found by Cheapflights users on 3/5. 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 4/136:00 pm
DCA
- SEA
1 stop18h 27m
Frontier
Tue 4/147:12 pm
SEA
- DCA
1 stop18h 47m
Frontier
Deal found 3/5![Frontier logo]()
$198
This Booking.com deal was found by Cheapflights users on 3/4. 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 4/137:00 am
DCA
- SEA
1 stop29h 27m
Frontier
Thu 4/164:20 pm
SEA
- DCA
1 stop26h 39m
Frontier
Deal found 3/4![Frontier logo]()
$202
This Southwest deal was found by Cheapflights users on 3/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/148:50 am
BWI
- SEA
2 stops15h 10m
Southwest
Tue 4/2111:45 pm
SEA
- BWI
2 stops9h 05m
Southwest
Deal found 3/3![Southwest logo]()
$195
This American Airlines deal was found by Cheapflights users on 3/4. 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 4/156:31 pm
BWI
- SEA
1 stop9h 05m
American Airlines
Tue 4/2110:25 am
SEA
- BWI
1 stop9h 44m
American Airlines
Deal found 3/4![American Airlines logo]()
$203
This CheapOair deal was found by Cheapflights users on 3/3. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/166:00 pm
DCA
- SEA
1 stop18h 52m
Frontier
Sun 4/197:12 pm
SEA
- DCA
1 stop14h 48m
Frontier
Deal found 3/3![Frontier logo]()
$200
This Southwest deal was found by Cheapflights users on 3/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/225:30 pm
IAD
- SEA
1 stop9h 05m
Southwest
Thu 4/305:30 am
SEA
- IAD
1 stop7h 20m
Southwest
Deal found 3/3![Southwest logo]()
$199
This Southwest deal was found by Cheapflights users on 3/4. 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 4/227:00 pm
DCA
- SEA
1 stop8h 10m
Southwest
Wed 4/296:00 am
SEA
- DCA
1 stop7h 15m
Southwest
Deal found 3/4![Southwest logo]()
$199
This Southwest deal was found by Cheapflights users on 3/4. 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 4/224:30 pm
IAD
- SEA
1 stop9h 00m
Southwest
Wed 4/299:20 am
SEA
- IAD
1 stop11h 20m
Southwest
Deal found 3/4![Southwest logo]()
$204
This Alaska Airlines deal was found by Cheapflights users on 3/5. 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 4/257:10 am
IAD
- SEA
Nonstop5h 48m
Alaska Airlines
Wed 4/299:41 pm
SEA
- IAD
Nonstop5h 09m
Alaska Airlines
Deal found 3/5![Alaska Airlines logo]()
$198
This American Airlines deal was found by Cheapflights users on 3/1. 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.
Sat 4/257:52 pm
BWI
- SEA
1 stop7h 44m
American Airlines
Wed 4/291:19 pm
SEA
- BWI
1 stop7h 37m
American Airlines
Deal found 3/1![American Airlines logo]()
$198
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 March 6, 2026.
Search for one-way flight options from Maryland to Seattle. Find affordable one-way fares based on user searches. Data last updated March 6, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/3. 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.
Mon 4/208:41 pm
PHL
- SEA
1 stop15h 46m
Frontier
Deal found 3/3![Frontier logo]()
$64
This Kiwi.com deal was found by Cheapflights users on 3/3. 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.
Mon 4/278:41 pm
PHL
- SEA
1 stop15h 46m
Frontier
Deal found 3/3![Frontier logo]()
$66
This Kiwi.com deal was found by Cheapflights users on 3/2. 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.
Wed 4/298:31 pm
PHL
- SEA
1 stop15h 56m
Frontier
Deal found 3/2![Frontier logo]()
$67
This Kiwi.com deal was found by Cheapflights users on 3/4. 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.
Wed 4/158:41 pm
PHL
- SEA
1 stop21h 24m
Frontier
Deal found 3/4![Frontier logo]()
$82
This Kiwi.com deal was found by Cheapflights users on 3/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/288:36 pm
PHL
- SEA
1 stop15h 51m
Frontier
Deal found 3/1![Frontier logo]()
$84
This Southwest deal was found by Cheapflights users on 3/2. 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.
Sat 5/95:10 pm
BWI
- SEA
1 stop8h 50m
Southwest
Deal found 3/2![Southwest logo]()
$85
This Trip.com deal was found by Cheapflights users on 3/5. 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 5/68:25 pm
PHL
- SEA
1 stop16h 02m
Frontier
Deal found 3/5![Frontier logo]()
$86
This Southwest deal was found by Cheapflights users on 3/2. 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.
Tue 4/216:20 pm
BWI
- SEA
1 stop8h 50m
Southwest
Deal found 3/2![Southwest logo]()
$90
This Kiwi.com deal was found by Cheapflights users on 3/3. 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.
Sun 5/38:36 pm
PHL
- SEA
1 stop15h 51m
Frontier
Deal found 3/3![Frontier logo]()
$91
This Kiwi.com deal was found by Cheapflights users on 3/3. 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.
Sun 4/198:36 pm
PHL
- SEA
1 stop15h 51m
Frontier
Deal found 3/3![Frontier logo]()
$92
This Kiwi.com deal was found by Cheapflights users on 3/5. 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 5/58:25 pm
PHL
- SEA
1 stop16h 02m
Frontier
Deal found 3/5![Frontier logo]()
$93
This Kiwi.com deal was found by Cheapflights users on 3/2. 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.
Tue 4/2112:17 pm
BWI
- SEA
2 stops24h 10m
Frontier
Deal found 3/2![Frontier logo]()
$94
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 March 6, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $195 (Southwest) |
One-way from | $64 (Kiwi.com) |
Popular in | June |
Cheapest in | January |
Average price | $383 |
Good round-trip deal | $336 or less |
Good one-way deal | $149 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 March 6, 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
Washington, D.C.Seattle
DCA - SEA
DCASEA
Washington, D.C. Reagan-National
Mon 4/6
3:20 pm-12:30 am
1 stop12h 10m
Seattle/Tacoma Intl
Sun 4/12
11:55 pm-11:10 am
1 stop8h 15m
$204
Washington, D.C.Seattle
IAD - SEA
IADSEA
Washington, D.C. Dulles Intl
Wed 4/22
12:45 pm-7:59 pm
1 stop10h 14m
Seattle/Tacoma Intl
Sun 4/26
3:59 pm-11:55 pm
Nonstop4h 56m
$208
Washington, D.C.Seattle
DCA - SEA
DCASEA
Washington, D.C. Reagan-National
Thu 5/7
5:15 pm-12:40 am
2 stops10h 25m
Seattle/Tacoma Intl
Mon 5/11
6:30 am-7:55 pm
2 stops10h 25m
$209
Washington, D.C.Seattle
IAD - SEA
IADSEA
Washington, D.C. Dulles Intl
Sat 5/9
5:55 pm-8:53 pm
Nonstop5h 58m
Seattle/Tacoma Intl
Wed 5/13
2:27 pm-12:58 am
1 stop7h 31m
$210
Quickest round-trip
Washington, D.C.Seattle
DCA - SEA
DCASEA
Washington, D.C. Reagan-National
Wed 4/22
4:39 pm-7:30 pm
Nonstop5h 51m
Seattle/Tacoma Intl
Tue 4/28
7:30 am-3:27 pm
Nonstop4h 57m
$217
Washington, D.C.Seattle
IAD - SEA
IADSEA
Washington, D.C. Dulles Intl
Sun 4/26
7:00 am-9:54 am
Nonstop5h 54m
Seattle/Tacoma Intl
Thu 4/30
3:59 pm-11:55 pm
Nonstop4h 56m
$219
BaltimoreSeattle
BWI - SEA
BWISEA
Baltimore/Washington
Thu 3/19
5:40 am-10:33 am
1 stop7h 53m
Seattle/Tacoma Intl
Tue 3/24
4:55 pm-5:51 am
1 stop9h 56m
$228
BaltimoreSeattle
BWI - SEA
BWISEA
Baltimore/Washington
Thu 4/16
9:40 am-10:35 pm
1 stop15h 55m
Seattle/Tacoma Intl
Thu 4/23
9:40 am-11:30 pm
2 stops10h 50m
$246
Washington, D.C.Seattle
DCA - SEA
DCASEA
Washington, D.C. Reagan-National
Mon 4/20
6:59 pm-11:54 pm
1 stop7h 55m
Seattle/Tacoma Intl
Fri 5/1
7:30 am-3:27 pm
Nonstop4h 57m
$247
Washington, D.C.Seattle
IAD - SEA
IADSEA
Washington, D.C. Dulles Intl
Mon 4/27
5:55 pm-11:30 pm
1 stop8h 35m
Seattle/Tacoma Intl
Thu 4/30
5:30 am-3:50 pm
1 stop7h 20m
$258
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
PHL-SEA
DCA-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
PHL-SEA
DCA-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 $112). Flying from Maryland to Seattle in July is currently the most expensive (average of $211). 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 March 6, 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.
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 locationsTacoma
SeaTac
Lakewood
Ocean Shores
Olympia
Kent
Lynnwood
Edmonds
Lacey
Renton
Puyallup
Kirkland
Tukwila
Fife
Aberdeen
Shoreline
Marysville
Centralia
Federal Way
Chehalis
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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 March 6, 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 March 6, 2026.
Top 8 airlines flying from Maryland to Seattle
Discover the top 8 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 March 6, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$103 | Average$292 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$126 | Average$268 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$134 | Average$228 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$169 | Average$412 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$179 | Average$597 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$228 | Average$394 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$236 | Average$469 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$274 | Average$446 | FlexibilityNo cancel fee | On-time75% |