$89+ 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 8/27. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BWI
Jul 4 — Jul 111
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 June 4, 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 June 4, 2026.
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 8/217:50 pm
SEA
- BWI
1 stop7h 30m
Delta
Mon 8/317:39 am
BWI
- SEA
1 stop8h 20m
Delta
Deal found 6/2![Delta logo]()
$227
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2610:23 pm
SEA
- BWI
Nonstop5h 07m
Alaska Airlines
Sun 9/66:18 pm
BWI
- SEA
Nonstop5h 42m
Alaska Airlines
Deal found 5/31![Alaska Airlines logo]()
$252
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.
Tue 9/156:51 pm
SEA
- BWI
1 stop17h 49m
Alaska Airlines
Tue 9/226:18 pm
BWI
- SEA
Nonstop5h 42m
Alaska Airlines
Deal found 6/1![Alaska Airlines logo]()
$262
This American Airlines deal was found by Cheapflights users on 6/4. 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 10/281:42 pm
SEA
- BWI
1 stop7h 19m
American Airlines
Tue 11/37:07 pm
BWI
- SEA
1 stop8h 51m
American Airlines
Deal found 6/4![American Airlines logo]()
$263
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.
Wed 8/195:10 am
SEA
- BWI
1 stop7h 04m
American Airlines
Tue 8/254:25 pm
BWI
- SEA
1 stop8h 34m
American Airlines
Deal found 6/2![American Airlines logo]()
$273
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.
Thu 10/226:51 pm
SEA
- BWI
1 stop8h 57m
United Airlines
Sat 11/76:15 am
BWI
- SEA
1 stop8h 57m
United Airlines
Deal found 6/2![United Airlines logo]()
$276
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.
Wed 9/25:10 am
SEA
- BWI
1 stop9h 35m
American Airlines
Tue 9/84:25 pm
BWI
- SEA
1 stop8h 34m
American Airlines
Deal found 6/2![American Airlines logo]()
$287
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1410:23 pm
SEA
- BWI
Nonstop5h 07m
Alaska Airlines
Tue 9/227:50 am
BWI
- SEA
Nonstop5h 39m
Alaska Airlines
Deal found 5/31![Alaska Airlines logo]()
$292
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.
Wed 9/3012:25 pm
SEA
- DCA
1 stop8h 34m
American Airlines
Wed 10/75:00 am
DCA
- SEA
1 stop9h 08m
American Airlines
Deal found 5/30![American Airlines logo]()
$292
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.
Wed 9/3012:25 pm
SEA
- IAD
1 stop7h 26m
American Airlines
Wed 10/75:41 pm
IAD
- SEA
1 stop8h 12m
American Airlines
Deal found 5/30![American Airlines logo]()
$292
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 9/410:35 pm
SEA
- BWI
1 stop8h 23m
Delta
Tue 9/85:30 pm
BWI
- SEA
1 stop7h 35m
Delta
Deal found 6/2![Delta logo]()
$293
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/38:12 pm
SEA
- IAD
1 stop9h 13m
Frontier
Sun 7/129:50 am
IAD
- SEA
1 stop27h 49m
Frontier
Deal found 6/1![Frontier logo]()
$293
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 June 4, 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 June 4, 2026.
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 9/149:10 am
SEA
- BWI
1 stop9h 03m
Delta
Wed 9/232:28 pm
BWI
- SEA
1 stop8h 54m
Delta
Deal found 6/1![Delta logo]()
$227
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 9/108:51 pm
SEA
- IAD
1 stop18h 23m
Alaska Airlines
Mon 9/147:47 pm
IAD
- SEA
1 stop16h 33m
Alaska Airlines
Deal found 6/1![Alaska Airlines logo]()
$315
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 8/1810:30 pm
SEA
- BWI
Nonstop5h 00m
Southwest
Tue 8/259:10 am
BWI
- SEA
1 stop12h 25m
Southwest
Deal found 5/31![Southwest logo]()
$343
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.
Thu 10/16:51 pm
SEA
- IAD
1 stop8h 37m
United Airlines
Sun 10/412:55 pm
IAD
- SEA
Nonstop5h 45m
United Airlines
Deal found 6/2![United Airlines logo]()
$367
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.
Wed 9/167:20 am
SEA
- DCA
Nonstop5h 12m
Delta
Sun 9/204:45 pm
DCA
- SEA
Nonstop5h 40m
Delta
Deal found 6/1![Delta logo]()
$305
This Alaska Airlines deal was found by Cheapflights users on 6/4. 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 8/278:51 pm
SEA
- IAD
1 stop18h 23m
Alaska Airlines
Mon 8/315:47 pm
IAD
- SEA
Nonstop5h 47m
Alaska Airlines
Deal found 6/4![Alaska Airlines logo]()
$325
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/247:20 am
SEA
- DCA
Nonstop5h 12m
Delta
Wed 9/304:45 pm
DCA
- SEA
Nonstop5h 40m
Delta
Deal found 6/3![Delta logo]()
$305
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/18:10 am
SEA
- SBY
1 stop12h 00m
American Airlines
Wed 7/86:41 am
SBY
- SEA
1 stop19h 15m
American Airlines
Deal found 6/3![American Airlines logo]()
$711
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/3011:05 pm
SEA
- DCA
1 stop9h 05m
Southwest
Thu 8/64:55 pm
DCA
- SEA
2 stops10h 45m
Southwest
Deal found 5/30![Southwest logo]()
$356
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/2411:05 pm
SEA
- DCA
1 stop6h 35m
Southwest
Mon 7/274:10 pm
DCA
- SEA
2 stops10h 00m
Southwest
Deal found 5/30![Southwest logo]()
$356
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/259:29 pm
SEA
- PHL
Nonstop5h 11m
Delta
Mon 8/317:00 am
PHL
- SEA
Nonstop5h 56m
Delta
Deal found 5/31![Delta logo]()
$329
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.
Wed 6/244:01 pm
SEA
- IAD
Nonstop4h 58m
Alaska Airlines
Sun 7/126:03 am
IAD
- SEA
Nonstop5h 45m
Alaska Airlines
Deal found 5/31![Alaska Airlines logo]()
$380
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/211:20 pm
SEA
- IAD
Nonstop5h 02m
United Airlines
Tue 7/75:55 pm
IAD
- SEA
Nonstop5h 51m
United Airlines
Deal found 6/3![United Airlines logo]()
$420
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.
Thu 7/99:20 pm
SEA
- PHL
Nonstop5h 09m
Delta
Mon 7/136:55 pm
PHL
- SEA
1 stop8h 04m
Delta
Deal found 5/30![Delta logo]()
$339
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.
Wed 8/266:25 am
SEA
- PHL
2 stops11h 10m
Southwest
Wed 9/25:10 pm
PHL
- SEA
1 stop8h 55m
Southwest
Deal found 6/2![Southwest logo]()
$374
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 6/254:01 pm
SEA
- IAD
Nonstop4h 58m
Alaska Airlines
Tue 7/149:30 am
IAD
- SEA
Nonstop5h 46m
Alaska Airlines
Deal found 5/31![Alaska Airlines logo]()
$380
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/711:05 pm
SEA
- PHL
1 stop8h 45m
Southwest
Tue 7/144:35 pm
PHL
- SEA
2 stops11h 00m
Southwest
Deal found 5/30![Southwest logo]()
$382
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 9/1010:23 pm
SEA
- BWI
Nonstop5h 07m
Alaska Airlines
Mon 9/144:43 pm
BWI
- SEA
1 stop8h 56m
Alaska Airlines
Deal found 6/1![Alaska Airlines logo]()
$382
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.
Thu 8/66:09 pm
SEA
- PHL
1 stop8h 56m
Delta
Sun 8/97:00 pm
PHL
- SEA
1 stop7h 59m
Delta
Deal found 6/2![Delta logo]()
$349
This United Airlines deal was found by Cheapflights users on 6/4. 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 8/197:35 pm
SEA
- BWI
2 stops13h 10m
United Airlines
Mon 8/245:40 pm
BWI
- SEA
1 stop8h 05m
United Airlines
Deal found 6/4![United Airlines logo]()
$498
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.
Wed 8/192:30 pm
SEA
- PHL
1 stop6h 26m
Delta
Sun 8/237:00 pm
PHL
- SEA
1 stop7h 59m
Delta
Deal found 6/1![Delta logo]()
$349
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/39:00 am
SEA
- DCA
1 stop10h 55m
Southwest
Wed 7/84:55 pm
DCA
- SEA
2 stops10h 50m
Southwest
Deal found 6/3![Southwest logo]()
$386
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 7/72:30 pm
SEA
- PHL
1 stop6h 26m
Delta
Tue 7/146:57 pm
PHL
- SEA
1 stop8h 01m
Delta
Deal found 5/30![Delta logo]()
$349
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.
Wed 8/197:10 am
SEA
- PHL
2 stops10h 25m
Southwest
Sun 8/236:20 am
PHL
- SEA
1 stop9h 55m
Southwest
Deal found 6/1![Southwest logo]()
$389
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/37:20 am
SEA
- DCA
Nonstop5h 01m
Delta
Mon 9/74:35 pm
DCA
- SEA
Nonstop6h 06m
Delta
Deal found 5/31![Delta logo]()
$351
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.
Fri 6/2610:43 pm
SEA
- IAD
Nonstop4h 56m
Alaska Airlines
Thu 7/96:03 am
IAD
- SEA
Nonstop5h 45m
Alaska Airlines
Deal found 5/31![Alaska Airlines logo]()
$471
This Southwest 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 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 7/203:35 pm
DCA
- SEA
1 stop12h 00m
Southwest
Deal found 5/30![Southwest logo]()
$402
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 9/248:20 am
SEA
- SBY
1 stop11h 39m
American Airlines
Thu 10/16:41 am
SBY
- SEA
1 stop19h 16m
American Airlines
Deal found 6/1![American Airlines logo]()
$774
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/49:25 am
SEA
- DCA
2 stops9h 45m
Southwest
Mon 11/96:30 pm
DCA
- SEA
1 stop9h 00m
Southwest
Deal found 6/3![Southwest logo]()
$402
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 7/229:36 pm
SEA
- BWI
Nonstop5h 05m
Alaska Airlines
Tue 7/284:19 pm
BWI
- SEA
1 stop9h 08m
Alaska Airlines
Deal found 6/2![Alaska Airlines logo]()
$497
Last-minute flights from Seattle to MarylandDiscover last-minute flight deals from Seattle to Maryland. Data last updated June 4, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Maryland. Data last updated June 4, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 6/4. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/18:12 pm
SEA
- IAD
1 stop9h 13m
Multiple Airlines
Wed 7/87:49 pm
IAD
- SEA
1 stop16h 30m
Multiple Airlines
Deal found 6/4![Multiple Airlines logo]()
$306
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/38:12 pm
SEA
- IAD
1 stop9h 13m
Frontier
Sun 7/129:50 am
IAD
- SEA
1 stop27h 49m
Frontier
Deal found 6/1![Frontier logo]()
$293
This Alaska Airlines deal was found by Cheapflights users on 6/4. 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 7/31:46 pm
SEA
- DCA
Nonstop5h 13m
Alaska Airlines
Sat 7/48:00 am
DCA
- SEA
Nonstop5h 58m
Alaska Airlines
Deal found 6/4![Alaska Airlines logo]()
$300
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.
Mon 7/611:22 pm
SEA
- BWI
1 stop8h 46m
American Airlines
Mon 7/133:46 pm
BWI
- SEA
1 stop10h 53m
American Airlines
Deal found 6/2![American Airlines logo]()
$299
This Booking.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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/78:13 pm
SEA
- IAD
1 stop9h 07m
Frontier
Fri 7/109:50 am
IAD
- SEA
1 stop27h 49m
Frontier
Deal found 6/3![Frontier logo]()
$300
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.
Wed 7/85:59 pm
SEA
- BWI
1 stop9h 01m
Delta
Tue 7/147:10 pm
BWI
- SEA
1 stop7h 48m
Delta
Deal found 6/1![Delta logo]()
$293
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/811:44 pm
SEA
- DCA
1 stop9h 17m
JetBlue
Tue 7/145:00 pm
DCA
- SEA
1 stop8h 54m
JetBlue
Deal found 6/3![JetBlue logo]()
$301
This Booking.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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/1010:43 pm
SEA
- IAD
Nonstop4h 56m
Alaska Airlines
Tue 7/146:03 am
IAD
- SEA
Nonstop5h 45m
Alaska Airlines
Deal found 5/31![Alaska Airlines logo]()
$297
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 7/1511:22 pm
SEA
- BWI
1 stop8h 46m
American Airlines
Tue 7/211:55 pm
BWI
- SEA
1 stop9h 30m
American Airlines
Deal found 6/1![American Airlines logo]()
$308
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 7/224:01 pm
SEA
- IAD
Nonstop4h 58m
Alaska Airlines
Thu 7/306:03 am
IAD
- SEA
Nonstop5h 45m
Alaska Airlines
Deal found 6/1![Alaska Airlines logo]()
$295
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/2311:22 pm
SEA
- BWI
1 stop8h 46m
American Airlines
Tue 7/287:17 pm
BWI
- SEA
1 stop8h 40m
American Airlines
Deal found 6/3![American Airlines logo]()
$263
This Alaska Airlines deal was found by Cheapflights users on 6/4. 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 7/316:21 am
SEA
- IAD
1 stop9h 24m
Alaska Airlines
Wed 8/56:03 am
IAD
- SEA
Nonstop5h 45m
Alaska Airlines
Deal found 6/4![Alaska Airlines logo]()
$305
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 June 4, 2026.
Search for one-way flight options from Seattle to Maryland. Find affordable one-way fares based on user searches. Data last updated June 4, 2026.
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/275:00 am
SEA
- BWI
1 stop10h 34m
American Airlines
Deal found 5/31![American Airlines logo]()
$89
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.
Thu 7/97:50 pm
SEA
- BWI
1 stop7h 10m
Delta
Deal found 6/1![Delta logo]()
$114
This Kiwi.com deal was found by Cheapflights users on 6/4. 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.
Tue 8/257:41 pm
SEA
- BWI
2 stops39h 33m
Frontier
Deal found 6/4![Frontier logo]()
$134
This Kiwi.com deal was found by Cheapflights users on 6/4. 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 8/197:41 pm
SEA
- BWI
2 stops16h 52m
Frontier
Deal found 6/4![Frontier logo]()
$145
This Kiwi.com deal was found by Cheapflights users on 6/4. 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 8/193:19 pm
SEA
- IAD
2 stops15h 57m
Frontier
Deal found 6/4![Frontier logo]()
$145
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/31:46 pm
SEA
- DCA
Nonstop5h 13m
Alaska Airlines
Deal found 6/3![Alaska Airlines logo]()
$148
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/34:20 pm
SEA
- IAD
Nonstop5h 05m
Delta
Deal found 6/3![Delta logo]()
$148
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/139:36 pm
SEA
- BWI
Nonstop5h 05m
Alaska Airlines
Deal found 5/31![Alaska Airlines logo]()
$149
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/267:41 pm
SEA
- DCA
1 stop14h 16m
Frontier
Deal found 6/2![Frontier logo]()
$149
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/317:50 pm
SEA
- BWI
1 stop7h 10m
Delta
Deal found 5/31![Delta logo]()
$150
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.
Wed 8/263:19 pm
SEA
- IAD
2 stops24h 23m
Frontier
Deal found 6/3![Frontier logo]()
$150
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.
Tue 9/17:41 pm
SEA
- BWI
2 stops17h 43m
Frontier
Deal found 6/2![Frontier logo]()
$153
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 June 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $227 (Delta) |
One-way from | $89 (American Airlines) |
Popular in | June |
Cheapest in | January |
Average price | $479 |
Good round-trip deal | $447 or less |
Good one-way deal | $218 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Seattle to Maryland that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 4, 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
Mon 9/14
9:10 am-9:13 pm
1 stop9h 03m
Baltimore/Washington
Wed 9/23
2:28 pm-8:22 pm
1 stop8h 54m
$227
SeattleWashington, D.C.
SEA - DCA
SEADCA
Seattle/Tacoma Intl
Wed 9/16
7:20 am-3:32 pm
Nonstop5h 12m
Washington, D.C. Reagan-National
Sun 9/20
4:45 pm-7:25 pm
Nonstop5h 40m
$305
SeattleWashington, D.C.
SEA - DCA
SEADCA
Seattle/Tacoma Intl
Thu 9/24
7:20 am-3:32 pm
Nonstop5h 12m
Washington, D.C. Reagan-National
Wed 9/30
4:45 pm-7:25 pm
Nonstop5h 40m
$305
SeattleWashington, D.C.
SEA - IAD
SEAIAD
Seattle/Tacoma Intl
Thu 9/10
8:51 pm-6:14 pm
1 stop18h 23m
Washington, D.C. Dulles Intl
Mon 9/14
7:47 pm-9:20 am
1 stop16h 33m
$315
SeattleWashington, D.C.
SEA - IAD
SEAIAD
Seattle/Tacoma Intl
Thu 8/27
8:51 pm-6:14 pm
1 stop18h 23m
Washington, D.C. Dulles Intl
Mon 8/31
5:47 pm-8:34 pm
Nonstop5h 47m
$325
SeattlePhiladelphia
SEA - PHL
SEAPHL
Seattle/Tacoma Intl
Tue 8/25
9:29 pm-5:40 am
Nonstop5h 11m
Philadelphia
Mon 8/31
7:00 am-9:56 am
Nonstop5h 56m
$329
SeattlePhiladelphia
SEA - PHL
SEAPHL
Seattle/Tacoma Intl
Thu 7/9
9:20 pm-5:29 am
Nonstop5h 09m
Philadelphia
Mon 7/13
6:55 pm-11:59 pm
1 stop8h 04m
$339
SeattleBaltimore
SEA - BWI
SEABWI
Seattle/Tacoma Intl
Tue 8/18
10:30 pm-6:30 am
Nonstop5h 00m
Baltimore/Washington
Tue 8/25
9:10 am-6:35 pm
1 stop12h 25m
$343
SeattlePhiladelphia
SEA - PHL
SEAPHL
Seattle/Tacoma Intl
Thu 8/6
6:09 pm-6:05 am
1 stop8h 56m
Philadelphia
Sun 8/9
7:00 pm-11:59 pm
1 stop7h 59m
$349
SeattlePhiladelphia
SEA - PHL
SEAPHL
Seattle/Tacoma Intl
Wed 8/19
2:30 pm-11:56 pm
1 stop6h 26m
Philadelphia
Sun 8/23
7:00 pm-11:59 pm
1 stop7h 59m
$349
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-IAD
SEA-PHL
SEA-DCA
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-IAD
SEA-PHL
SEA-DCA
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 June 4, 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.
How much does it cost to fly round-trip from Seattle to Maryland?
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.
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 June 4, 2026.
Read reviews from past customers who have flown Southwest,Alaska Airlines, andDelta from Seattle to Maryland. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Comfort
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Comfort
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Comfort
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Comfort
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Comfort
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Related info for your journey
Find useful and relevant information for your journey from Seattle to Maryland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Seattle to Maryland
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Complete your trip
Complete your trip to Maryland by adding a car rental and/or hotel reservation to your travel itinerary.
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 June 4, 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 June 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$103 | Average$335 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$128 | Average$358 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$148 | Average$241 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$178 | Average$639 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$199 | Average$441 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$226 | Average$433 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$244 | Average$445 | FlexibilityNo cancel fee | On-time75% |