$114+ Cheap flights from Seattle (SEA) to Maryland
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/4. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BWI
Jun 6 — Jun 131
Round-trip
1 adult, Economy
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Cheapest flights from Seattle to MarylandExplore the most affordable flight options available from Seattle to Maryland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 7, 2026.
Explore the most affordable flight options available from Seattle to Maryland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 7, 2026.
This Southwest deal was found by Cheapflights users on 5/6. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/217:30 pm
SEA
- BWI
1 stop8h 05m
Southwest
Tue 8/255:55 pm
BWI
- SEA
1 stop8h 30m
Southwest
Deal found 5/6![Southwest logo]()
$217
This Southwest deal was found by Cheapflights users on 5/6. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/3010:45 pm
SEA
- BWI
1 stop7h 50m
Southwest
Mon 8/33:15 pm
BWI
- SEA
2 stops9h 35m
Southwest
Deal found 5/6![Southwest logo]()
$222
This Delta deal was found by Cheapflights users on 5/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/255:10 am
SEA
- BWI
1 stop8h 39m
Delta
Mon 8/318:10 am
BWI
- SEA
1 stop8h 36m
Delta
Deal found 5/6![Delta logo]()
$227
This United Airlines deal was found by Cheapflights users on 5/3. 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 9/86:51 pm
SEA
- BWI
1 stop9h 04m
United Airlines
Mon 9/215:32 pm
BWI
- SEA
1 stop8h 10m
United Airlines
Deal found 5/3![United Airlines logo]()
$237
This Delta deal was found by Cheapflights users on 5/4. 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.
Mon 8/2411:59 pm
SEA
- BWI
1 stop7h 33m
Delta
Sun 8/306:08 am
BWI
- SEA
1 stop7h 14m
Delta
Deal found 5/4![Delta logo]()
$238
This CheapOair deal was found by Cheapflights users on 5/3. 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.
Wed 9/1610:20 pm
SEA
- BWI
Nonstop5h 10m
Alaska Airlines
Thu 9/247:50 am
BWI
- SEA
Nonstop5h 41m
Alaska Airlines
Deal found 5/3![Alaska Airlines logo]()
$242
This Delta deal was found by Cheapflights users on 5/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/125:10 am
SEA
- BWI
1 stop8h 39m
Delta
Wed 8/196:00 am
BWI
- SEA
1 stop9h 03m
Delta
Deal found 5/6![Delta logo]()
$248
This American Airlines deal was found by Cheapflights users on 5/5. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/211:58 pm
SEA
- BWI
1 stop7h 04m
American Airlines
Tue 6/95:02 am
BWI
- SEA
1 stop7h 48m
American Airlines
Deal found 5/5![American Airlines logo]()
$258
This CheapOair deal was found by Cheapflights users on 5/3. 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.
Fri 7/103:34 pm
SEA
- DCA
1 stop22h 25m
Frontier
Sun 7/126:00 pm
DCA
- SEA
1 stop18h 49m
Frontier
Deal found 5/3![Frontier logo]()
$261
This CheapOair deal was found by Cheapflights users on 5/2. 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.
Thu 8/138:12 pm
SEA
- IAD
1 stop9h 08m
Frontier
Wed 8/199:20 am
IAD
- SEA
1 stop28h 15m
Frontier
Deal found 5/2![Frontier logo]()
$261
This American Airlines deal was found by Cheapflights users on 5/2. 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.
Fri 5/295:15 am
SEA
- BWI
1 stop9h 32m
American Airlines
Fri 6/57:11 pm
BWI
- SEA
1 stop8h 48m
American Airlines
Deal found 5/2![American Airlines logo]()
$262
This Super.com deal was found by Cheapflights users on 5/3. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/298:20 pm
SEA
- IAD
1 stop8h 52m
Frontier
Sun 5/319:12 am
IAD
- SEA
1 stop28h 24m
Frontier
Deal found 5/3![Frontier logo]()
$262
Best flights from Seattle to MarylandDiscover carefully curated flight deals from Seattle to Maryland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 7, 2026.
Discover carefully curated flight deals from Seattle to Maryland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 7, 2026.
This Southwest deal was found by Cheapflights users on 5/6. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/3010:45 pm
SEA
- BWI
1 stop7h 50m
Southwest
Mon 8/33:15 pm
BWI
- SEA
2 stops9h 35m
Southwest
Deal found 5/6![Southwest logo]()
$222
This Delta deal was found by Cheapflights users on 5/3. 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.
Thu 6/47:59 pm
SEA
- BWI
1 stop6h 46m
Delta
Mon 6/86:08 am
BWI
- SEA
1 stop7h 23m
Delta
Deal found 5/3![Delta logo]()
$288
This Alaska Airlines deal was found by Cheapflights users on 5/6. 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.
Tue 8/410:43 pm
SEA
- IAD
Nonstop4h 56m
Alaska Airlines
Tue 8/119:30 am
IAD
- SEA
Nonstop5h 46m
Alaska Airlines
Deal found 5/6![Alaska Airlines logo]()
$310
This United Airlines deal was found by Cheapflights users on 5/5. 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.
Wed 9/911:10 pm
SEA
- IAD
Nonstop5h 02m
United Airlines
Fri 9/113:40 pm
IAD
- SEA
1 stop10h 02m
United Airlines
Deal found 5/5![United Airlines logo]()
$320
This Delta deal was found by Cheapflights users on 5/2. 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.
Thu 7/165:59 pm
SEA
- BWI
1 stop9h 01m
Delta
Mon 7/205:27 pm
BWI
- SEA
1 stop8h 06m
Delta
Deal found 5/2![Delta logo]()
$288
This Southwest deal was found by Cheapflights users on 5/5. 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.
Wed 9/911:05 pm
SEA
- DCA
1 stop9h 45m
Southwest
Fri 9/116:55 am
DCA
- SEA
1 stop10h 00m
Southwest
Deal found 5/5![Southwest logo]()
$305
This Alaska Airlines deal was found by Cheapflights users on 5/2. 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.
Fri 8/146:21 am
SEA
- IAD
1 stop9h 24m
Alaska Airlines
Sun 8/166:03 am
IAD
- SEA
Nonstop5h 45m
Alaska Airlines
Deal found 5/2![Alaska Airlines logo]()
$320
This Delta deal was found by Cheapflights users on 5/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/103:55 pm
SEA
- IAD
Nonstop5h 00m
Delta
Mon 9/147:10 am
IAD
- SEA
Nonstop5h 53m
Delta
Deal found 5/6![Delta logo]()
$292
This Alaska Airlines deal was found by Cheapflights users on 5/4. 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.
Wed 6/39:59 am
SEA
- PHL
Nonstop5h 17m
Alaska Airlines
Sat 6/67:16 pm
PHL
- SEA
Nonstop6h 12m
Alaska Airlines
Deal found 5/4![Alaska Airlines logo]()
$329
This Southwest deal was found by Cheapflights users on 5/5. 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.
Wed 9/911:05 pm
SEA
- BWI
1 stop8h 10m
Southwest
Fri 9/1111:45 am
BWI
- SEA
2 stops9h 35m
Southwest
Deal found 5/5![Southwest logo]()
$342
This American Airlines deal was found by Cheapflights users on 5/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1912:34 pm
SEA
- SBY
1 stop7h 20m
American Airlines
Sat 5/236:40 am
SBY
- SEA
1 stop8h 01m
American Airlines
Deal found 5/3![American Airlines logo]()
$782
This Alaska Airlines deal was found by Cheapflights users on 5/3. 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.
Sat 9/59:24 pm
SEA
- PHL
Nonstop5h 16m
Alaska Airlines
Sun 9/136:06 pm
PHL
- SEA
Nonstop5h 54m
Alaska Airlines
Deal found 5/3![Alaska Airlines logo]()
$329
This Delta deal was found by Cheapflights users on 5/2. 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 8/119:29 pm
SEA
- PHL
Nonstop5h 11m
Delta
Tue 8/187:00 am
PHL
- SEA
Nonstop5h 56m
Delta
Deal found 5/2![Delta logo]()
$329
This Southwest deal was found by Cheapflights users on 5/2. 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 7/145:00 am
SEA
- BWI
2 stops9h 20m
Southwest
Tue 7/286:30 pm
BWI
- SEA
1 stop8h 50m
Southwest
Deal found 5/2![Southwest logo]()
$342
This Delta deal was found by Cheapflights users on 5/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/59:20 am
SEA
- PHL
Nonstop5h 15m
Delta
Mon 6/86:45 pm
PHL
- SEA
Nonstop6h 14m
Delta
Deal found 5/6![Delta logo]()
$329
This Alaska Airlines deal was found by Cheapflights users on 5/4. 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.
Wed 8/1910:20 pm
SEA
- BWI
Nonstop5h 10m
Alaska Airlines
Tue 8/256:16 pm
BWI
- SEA
Nonstop5h 44m
Alaska Airlines
Deal found 5/4![Alaska Airlines logo]()
$329
This Southwest deal was found by Cheapflights users on 5/4. 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 6/15:15 am
SEA
- DCA
2 stops10h 40m
Southwest
Mon 6/86:55 pm
DCA
- SEA
1 stop8h 35m
Southwest
Deal found 5/4![Southwest logo]()
$351
This Delta deal was found by Cheapflights users on 5/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/229:50 pm
SEA
- PHL
Nonstop5h 13m
Delta
Sun 10/257:05 am
PHL
- SEA
Nonstop6h 19m
Delta
Deal found 5/6![Delta logo]()
$329
This Alaska Airlines deal was found by Cheapflights users on 5/2. 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.
Fri 9/188:46 pm
SEA
- IAD
1 stop18h 28m
Alaska Airlines
Sat 9/267:29 pm
IAD
- SEA
1 stop16h 54m
Alaska Airlines
Deal found 5/2![Alaska Airlines logo]()
$330
This Southwest deal was found by Cheapflights users on 5/5. 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.
Mon 8/108:20 pm
SEA
- PHL
2 stops12h 15m
Southwest
Sat 8/154:50 pm
PHL
- SEA
1 stop7h 40m
Southwest
Deal found 5/5![Southwest logo]()
$354
This Delta deal was found by Cheapflights users on 5/4. 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 6/249:25 am
SEA
- PHL
Nonstop5h 10m
Delta
Sun 6/286:45 pm
PHL
- SEA
Nonstop6h 14m
Delta
Deal found 5/4![Delta logo]()
$329
This Alaska Airlines deal was found by Cheapflights users on 5/5. 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.
Thu 9/108:46 pm
SEA
- IAD
1 stop18h 28m
Alaska Airlines
Mon 9/147:00 am
IAD
- SEA
Nonstop5h 40m
Alaska Airlines
Deal found 5/5![Alaska Airlines logo]()
$340
This Southwest deal was found by Cheapflights users on 5/6. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/411:05 pm
SEA
- DCA
1 stop6h 40m
Southwest
Thu 6/119:05 am
DCA
- SEA
2 stops10h 50m
Southwest
Deal found 5/6![Southwest logo]()
$359
This Delta deal was found by Cheapflights users on 5/2. 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.
Mon 6/19:20 pm
SEA
- PHL
Nonstop5h 15m
Delta
Mon 6/86:45 pm
PHL
- SEA
Nonstop6h 14m
Delta
Deal found 5/2![Delta logo]()
$329
This Alaska Airlines deal was found by Cheapflights users on 5/4. 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.
Tue 8/46:21 am
SEA
- IAD
1 stop9h 24m
Alaska Airlines
Sun 8/237:00 am
IAD
- SEA
Nonstop5h 40m
Alaska Airlines
Deal found 5/4![Alaska Airlines logo]()
$340
This Southwest deal was found by Cheapflights users on 5/4. 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.
Fri 7/175:15 am
SEA
- DCA
2 stops10h 15m
Southwest
Mon 7/277:05 pm
DCA
- SEA
1 stop8h 25m
Southwest
Deal found 5/4![Southwest logo]()
$359
This Delta deal was found by Cheapflights users on 5/4. 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.
Thu 5/2812:30 pm
SEA
- PHL
1 stop7h 37m
Delta
Fri 5/297:10 am
PHL
- SEA
Nonstop5h 50m
Delta
Deal found 5/4![Delta logo]()
$339
This Alaska Airlines deal was found by Cheapflights users on 5/5. 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.
Fri 6/56:26 am
SEA
- DCA
1 stop11h 34m
Alaska Airlines
Tue 6/98:00 am
DCA
- SEA
Nonstop5h 59m
Alaska Airlines
Deal found 5/5![Alaska Airlines logo]()
$365
This Southwest deal was found by Cheapflights users on 5/2. 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.
Thu 7/169:25 pm
SEA
- BWI
Nonstop4h 55m
Southwest
Tue 7/216:30 pm
BWI
- SEA
1 stop8h 50m
Southwest
Deal found 5/2![Southwest logo]()
$372
This Delta deal was found by Cheapflights users on 5/5. 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.
Fri 7/244:00 pm
SEA
- IAD
Nonstop5h 03m
Delta
Sun 7/267:00 am
IAD
- SEA
Nonstop5h 45m
Delta
Deal found 5/5![Delta logo]()
$339
Last-minute flights from Seattle to MarylandDiscover last-minute flight deals from Seattle to Maryland. Data last updated May 7, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Maryland. Data last updated May 7, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 5/4. 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.
Tue 5/2611:58 pm
SEA
- DCA
1 stop9h 53m
American Airlines
Sat 5/305:22 pm
DCA
- SEA
1 stop8h 36m
American Airlines
Deal found 5/4![American Airlines logo]()
$265
This CheapOair deal was found by Cheapflights users on 5/4. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/287:50 pm
SEA
- DCA
1 stop23h 08m
Frontier
Sun 5/317:00 am
DCA
- SEA
1 stop30h 06m
Frontier
Deal found 5/4![Frontier logo]()
$266
This CheapOair deal was found by Cheapflights users on 5/4. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/288:20 pm
SEA
- IAD
1 stop8h 52m
Frontier
Sun 5/319:12 am
IAD
- SEA
1 stop28h 24m
Frontier
Deal found 5/4![Frontier logo]()
$266
This American Airlines deal was found by Cheapflights users on 5/2. 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.
Fri 5/295:15 am
SEA
- BWI
1 stop9h 32m
American Airlines
Fri 6/57:11 pm
BWI
- SEA
1 stop8h 48m
American Airlines
Deal found 5/2![American Airlines logo]()
$262
This Super.com deal was found by Cheapflights users on 5/3. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/298:20 pm
SEA
- IAD
1 stop8h 52m
Frontier
Sun 5/319:12 am
IAD
- SEA
1 stop28h 24m
Frontier
Deal found 5/3![Frontier logo]()
$262
This American Airlines deal was found by Cheapflights users on 5/5. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/211:58 pm
SEA
- BWI
1 stop7h 04m
American Airlines
Tue 6/95:02 am
BWI
- SEA
1 stop7h 48m
American Airlines
Deal found 5/5![American Airlines logo]()
$258
This Southwest deal was found by Cheapflights users on 5/5. 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.
Thu 6/45:30 am
SEA
- BWI
2 stops8h 45m
Southwest
Mon 6/89:25 am
BWI
- SEA
2 stops11h 00m
Southwest
Deal found 5/5![Southwest logo]()
$227
This Alaska Airlines deal was found by Cheapflights users on 5/4. 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.
Thu 6/43:53 pm
SEA
- IAD
Nonstop5h 06m
Alaska Airlines
Mon 6/86:00 am
IAD
- SEA
Nonstop5h 46m
Alaska Airlines
Deal found 5/4![Alaska Airlines logo]()
$265
This Trip.com deal was found by Cheapflights users on 5/4. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/48:20 pm
SEA
- IAD
1 stop8h 52m
Frontier
Wed 6/109:55 am
IAD
- SEA
1 stop27h 40m
Frontier
Deal found 5/4![Frontier logo]()
$267
This Southwest deal was found by Cheapflights users on 5/6. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/55:35 pm
SEA
- BWI
1 stop9h 10m
Southwest
Mon 6/89:25 am
BWI
- SEA
2 stops11h 00m
Southwest
Deal found 5/6![Southwest logo]()
$222
This CheapOair deal was found by Cheapflights users on 5/3. 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.
Fri 6/58:20 pm
SEA
- IAD
1 stop8h 52m
Frontier
Wed 6/109:55 am
IAD
- SEA
1 stop27h 40m
Frontier
Deal found 5/3![Frontier logo]()
$261
This Southwest deal was found by Cheapflights users on 5/6. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/87:20 pm
SEA
- BWI
1 stop6h 55m
Southwest
Sat 6/137:35 pm
BWI
- SEA
1 stop8h 35m
Southwest
Deal found 5/6![Southwest logo]()
$217
One-way flights from Seattle to MarylandSearch for one-way flight options from Seattle to Maryland. Find affordable one-way fares based on user searches. Data last updated May 7, 2026.
Search for one-way flight options from Seattle to Maryland. Find affordable one-way fares based on user searches. Data last updated May 7, 2026.
This Southwest deal was found by Cheapflights users on 5/3. 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 6/45:30 am
SEA
- BWI
2 stops8h 45m
Southwest
Deal found 5/3![Southwest logo]()
$114
This United Airlines deal was found by Cheapflights users on 5/3. 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.
Sun 5/245:06 pm
SEA
- BWI
1 stop11h 08m
United Airlines
Deal found 5/3![United Airlines logo]()
$119
This Southwest deal was found by Cheapflights users on 5/7. Clicking the “Pick Dates” 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 8/511:00 pm
SEA
- BWI
2 stops12h 35m
Southwest
Deal found 5/7![Southwest logo]()
$120
This United Airlines deal was found by Cheapflights users on 5/3. 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 6/210:29 am
SEA
- BWI
2 stops11h 04m
United Airlines
Deal found 5/3![United Airlines logo]()
$124
This Kiwi.com deal was found by Cheapflights users on 5/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/277:50 pm
SEA
- BWI
2 stops32h 53m
Frontier
Deal found 5/6![Frontier logo]()
$129
This Delta deal was found by Cheapflights users on 5/5. 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 7/85:59 pm
SEA
- BWI
1 stop9h 01m
Delta
Deal found 5/5![Delta logo]()
$130
This Kiwi.com deal was found by Cheapflights users on 5/5. 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 6/27:50 pm
SEA
- BWI
2 stops40h 44m
Frontier
Deal found 5/5![Frontier logo]()
$131
This CheapOair deal was found by Cheapflights users on 5/4. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/317:50 pm
SEA
- DCA
1 stop18h 09m
Frontier
Deal found 5/4![Frontier logo]()
$136
This Kiwi.com deal was found by Cheapflights users on 5/2. 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 5/277:50 pm
SEA
- IAD
2 stops35h 22m
Frontier
Deal found 5/2![Frontier logo]()
$136
This CheapOair deal was found by Cheapflights users on 5/3. 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.
Fri 8/213:19 pm
SEA
- DCA
1 stop18h 38m
Frontier
Deal found 5/3![Frontier logo]()
$137
This Kiwi.com deal was found by Cheapflights users on 5/4. 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.
Mon 6/17:50 pm
SEA
- BWI
2 stops32h 53m
Frontier
Deal found 5/4![Frontier logo]()
$138
This Southwest deal was found by Cheapflights users on 5/6. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/65:00 am
SEA
- DCA
2 stops10h 55m
Southwest
Deal found 5/6![Southwest logo]()
$138
Find flight deals from Seattle to Maryland
Keep the following information in mind while searching for Seattle to Maryland flight deals. Data was last updated May 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $217 (Southwest) |
One-way from | $114 (Southwest) |
Popular in | June |
Cheapest in | January |
Average price | $380 |
Good round-trip deal | $420 or less |
Good one-way deal | $174 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Seattle to Maryland that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 7, 2026.
Use the filters below to find and compare flights from Seattle to Maryland that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
SeattleBaltimore
SEA - BWI
SEABWI
Seattle/Tacoma Intl
Thu 7/30
10:45 pm-9:35 am
1 stop7h 50m
Baltimore/Washington
Mon 8/3
3:15 pm-9:50 pm
2 stops9h 35m
$222
SeattleBaltimore
SEA - BWI
SEABWI
Seattle/Tacoma Intl
Thu 6/4
7:59 pm-5:45 am
1 stop6h 46m
Baltimore/Washington
Mon 6/8
6:08 am-10:31 am
1 stop7h 23m
$288
SeattleBaltimore
SEA - BWI
SEABWI
Seattle/Tacoma Intl
Thu 7/16
5:59 pm-6:00 am
1 stop9h 01m
Baltimore/Washington
Mon 7/20
5:27 pm-10:33 pm
1 stop8h 06m
$288
SeattleWashington, D.C.
SEA - IAD
SEAIAD
Seattle/Tacoma Intl
Thu 9/10
3:55 pm-11:55 pm
Nonstop5h 00m
Washington, D.C. Dulles Intl
Mon 9/14
7:10 am-10:03 am
Nonstop5h 53m
$292
SeattleWashington, D.C.
SEA - DCA
SEADCA
Seattle/Tacoma Intl
Wed 9/9
11:05 pm-11:50 am
1 stop9h 45m
Washington, D.C. Reagan-National
Fri 9/11
6:55 am-1:55 pm
1 stop10h 00m
$305
Quickest round-trip
SeattleWashington, D.C.
SEA - IAD
SEAIAD
Seattle/Tacoma Intl
Tue 8/4
10:43 pm-6:39 am
Nonstop4h 56m
Washington, D.C. Dulles Intl
Tue 8/11
9:30 am-12:16 pm
Nonstop5h 46m
$310
SeattleWashington, D.C.
SEA - IAD
SEAIAD
Seattle/Tacoma Intl
Wed 9/9
11:10 pm-7:12 am
Nonstop5h 02m
Washington, D.C. Dulles Intl
Fri 9/11
3:40 pm-10:42 pm
1 stop10h 02m
$320
SeattleWashington, D.C.
SEA - IAD
SEAIAD
Seattle/Tacoma Intl
Fri 8/14
6:21 am-6:45 pm
1 stop9h 24m
Washington, D.C. Dulles Intl
Sun 8/16
6:03 am-8:48 am
Nonstop5h 45m
$320
SeattlePhiladelphia
SEA - PHL
SEAPHL
Seattle/Tacoma Intl
Wed 6/3
9:59 am-6:16 pm
Nonstop5h 17m
Philadelphia
Sat 6/6
7:16 pm-10:28 pm
Nonstop6h 12m
$329
SeattlePhiladelphia
SEA - PHL
SEAPHL
Seattle/Tacoma Intl
Sat 9/5
9:24 pm-5:40 am
Nonstop5h 16m
Philadelphia
Sun 9/13
6:06 pm-9:00 pm
Nonstop5h 54m
$329
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Seattle to Maryland
Have a flexible travel schedule? Discover the best time to fly to Maryland from Seattle with our price prediction graph.
SEA-BWI
SEA-DCA
SEA-IAD
SEA-PHL
SEA-SBY
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Seattle to Maryland
SEA-USMD
SEA-BWI
SEA-DCA
SEA-IAD
SEA-PHL
How far ahead should I book a flight from Seattle to Maryland?
To ensure you get the cheapest price possible for a flight from Seattle to Maryland, you should look to book at least 83 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from Seattle to Maryland?
Currently, December is the cheapest month in which you can book a flight from Seattle to Maryland (average of $89). Flying from Seattle to Maryland in February is currently the most expensive (average of $178). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from SEA to MD?
Find hourly flight availability from Seattle to Maryland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 7, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Seattle to Maryland as you normally would.
Weekly flight availability from Seattle to Maryland
Explore weekly flight availability from Seattle to Maryland. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated May 7, 2026.
The most flights from SEA to USMD are scheduled on a Monday (3 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (2 on average).
How much does it cost to fly round-trip from Seattle to Maryland?
Reviews of airlines servicing Maryland
Get insights into the airlines that provide service to Maryland. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Maryland. Reviews last updated May 7, 2026.
Read reviews from past customers who have flown Alaska Airlines,Southwest, andDelta from Seattle to Maryland. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Comfort
7.8
Crew
8.5
Food
7.1
Overall
7.9
Entertainment
7.0
Reviews
1 / 20
4.0
OkayAnonymous,Dec 2025
SEA - MSY
Boarding
8.1
Comfort
7.8
Crew
8.5
Food
7.1
Overall
7.9
Entertainment
7.0
Reviews
1 / 20
4.0
OkayAnonymous,Dec 2025
SEA - MSY
Boarding
8.1
Comfort
7.8
Crew
8.5
Food
7.1
Overall
7.9
Entertainment
7.0
Reviews
1 / 20
4.0
OkayAnonymous,Dec 2025
SEA - MSY
Boarding
8.1
Comfort
7.8
Crew
8.5
Food
7.1
Overall
7.9
Entertainment
7.0
Reviews
1 / 20
4.0
OkayAnonymous,Dec 2025
SEA - MSY
Boarding
8.1
Comfort
7.8
Crew
8.5
Food
7.1
Overall
7.9
Entertainment
7.0
Reviews
1 / 20
4.0
OkayAnonymous,Dec 2025
SEA - MSY
Boarding
8.1
Comfort
7.8
Crew
8.5
Food
7.1
Overall
7.9
Entertainment
7.0
Reviews
1 / 20
4.0
OkayAnonymous,Dec 2025
SEA - MSY
Related info for your journey
Find useful and relevant information for your journey from Seattle to Maryland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Complete your trip
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Search flights from Seattle to Maryland by cabin class
Find flights from Seattle to Maryland, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Seattle and Maryland flights
Browse other Seattle and Maryland flight options. Last updated on May 7, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Seattle to Maryland flights
Consider these flights traveling from Seattle to Maryland.
Top 7 airlines flying from Seattle to Maryland
Discover the top 7 airlines that operate flights from Seattle to Maryland. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$108 | Average$336 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$128 | Average$387 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$139 | Average$241 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$178 | Average$633 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$187 | Average$427 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$226 | Average$389 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$247 | Average$433 | FlexibilityNo cancel fee | On-time75% |