$172+ Cheap flights from Maryland to Seattle (SEA)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/3. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — SEA
Dec 9 — Dec 161
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 November 9, 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 November 9, 2026.
This Mytrip deal was found by Cheapflights users on 11/5. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/88:41 pm -
2 stops22h 02m
Fri 12/119:09 pm -
2 stops12h 22m
Deal found 11/5![Frontier logo]()
$348
This Mytrip deal was found by Cheapflights users on 11/4. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/36:43 pm -
2 stops23h 57m
Mon 12/78:56 pm -
2 stops12h 14m
Deal found 11/4![Frontier logo]()
$350
This Mytrip deal was found by Cheapflights users on 11/4. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/66:41 pm -
2 stops24h 02m
Fri 12/119:09 pm -
2 stops12h 22m
Deal found 11/4![Frontier logo]()
$362
This American Airlines deal was found by Cheapflights users on 11/8. Clicking the “Pick Dates” 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 12/912:46 pm -
1 stop8h 36m
Tue 12/159:15 am -
1 stop10h 17m
Deal found 11/8![American Airlines logo]()
$376
This Delta deal was found by Cheapflights users on 11/4. 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 12/311:46 am -
1 stop8h 24m
Sat 12/1211:15 pm -
1 stop8h 22m
Deal found 11/4![Delta logo]()
$377
This Southwest deal was found by Cheapflights users on 11/4. 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.
Thu 12/33:45 pm -
2 stops10h 05m
Wed 12/99:25 am -
1 stop9h 25m
Deal found 11/4![Southwest logo]()
$382
This Delta deal was found by Cheapflights users on 11/4. 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 12/26:00 am -
1 stop8h 10m
Sun 12/1311:37 pm -
1 stop20h 51m
Deal found 11/4![Delta logo]()
$385
This Southwest deal was found by Cheapflights users on 11/5. 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.
Tue 12/85:20 pm -
1 stop8h 30m
Fri 12/118:30 am -
1 stop8h 00m
Deal found 11/5![Southwest logo]()
$386
This Southwest deal was found by Cheapflights users on 11/4. 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 12/75:20 pm -
1 stop8h 30m
Thu 12/106:10 am -
2 stops10h 50m
Deal found 11/4![Southwest logo]()
$391
This Southwest deal was found by Cheapflights users on 11/4. 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.
Thu 12/310:50 am -
1 stop10h 50m
Sun 12/61:55 pm -
1 stop7h 25m
Deal found 11/4![Southwest logo]()
$392
This Southwest deal was found by Cheapflights users on 11/4. 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 12/210:55 am -
2 stops10h 40m
Wed 12/99:25 am -
2 stops8h 45m
Deal found 11/4![Southwest logo]()
$396
This American Airlines deal was found by Cheapflights users on 11/6. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/44:35 pm -
1 stop9h 34m
Fri 12/1111:16 am -
1 stop7h 43m
Deal found 11/6![American Airlines logo]()
$529
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 November 9, 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 November 9, 2026.
This American Airlines deal was found by Cheapflights users on 11/8. Clicking the “Pick Dates” 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 12/912:46 pm -
1 stop8h 36m
Tue 12/159:15 am -
1 stop10h 17m
Deal found 11/8![American Airlines logo]()
$376
This Southwest deal was found by Cheapflights users on 11/4. 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.
Tue 12/82:55 pm -
1 stop10h 25m
Fri 12/117:55 am -
1 stop11h 00m
Deal found 11/4![Southwest logo]()
$377
This United Airlines deal was found by Cheapflights users on 11/5. 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.
Thu 12/36:10 am -
1 stop8h 34m
Sun 12/67:30 pm -
2 stops11h 14m
Deal found 11/5![United Airlines logo]()
$397
This Delta deal was found by Cheapflights users on 11/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/146:32 pm -
1 stop8h 23m
Mon 12/2811:06 pm -
1 stop7h 17m
Deal found 11/7![Delta logo]()
$407
This Southwest deal was found by Cheapflights users on 11/5. 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 1/133:20 pm -
2 stops10h 40m
Wed 1/206:20 pm -
1 stop8h 20m
Deal found 11/5![Southwest logo]()
$382
This Delta deal was found by Cheapflights users on 11/5. 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 3/53:00 pm -
1 stop8h 41m
Mon 3/811:53 pm -
1 stop7h 44m
Deal found 11/5![Delta logo]()
$407
This Southwest deal was found by Cheapflights users on 11/4. 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.
Thu 1/143:35 pm -
2 stops10h 05m
Mon 1/186:50 pm -
2 stops11h 30m
Deal found 11/4![Southwest logo]()
$387
This Southwest deal was found by Cheapflights users on 11/5. 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 12/35:20 pm -
1 stop8h 30m
Sun 12/66:25 pm -
1 stop8h 20m
Deal found 11/5![Southwest logo]()
$392
This American Airlines deal was found by Cheapflights users on 11/6. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/44:35 pm -
1 stop9h 34m
Fri 12/1111:16 am -
1 stop7h 43m
Deal found 11/6![American Airlines logo]()
$529
This Southwest deal was found by Cheapflights users on 11/7. 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.
Fri 1/810:40 am -
2 stops10h 00m
Tue 1/129:10 am -
2 stops8h 25m
Deal found 11/7![Southwest logo]()
$417
This American Airlines deal was found by Cheapflights users on 11/6. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/214:27 pm -
1 stop9h 52m
Wed 11/2512:45 pm -
1 stop7h 07m
Deal found 11/6![American Airlines logo]()
$536
This Southwest deal was found by Cheapflights users on 11/6. 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 1/2210:40 am -
2 stops10h 00m
Thu 1/289:10 am -
2 stops8h 55m
Deal found 11/6![Southwest logo]()
$417
This Southwest deal was found by Cheapflights users on 11/6. 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 1/218:35 am -
2 stops12h 05m
Mon 1/259:10 am -
2 stops8h 55m
Deal found 11/6![Southwest logo]()
$417
This American Airlines deal was found by Cheapflights users on 11/6. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/2112:46 pm -
2 stops12h 49m
Thu 1/2111:55 pm -
2 stops12h 32m
Deal found 11/6![American Airlines logo]()
$1,480
Last-minute flights from Maryland to SeattleDiscover last-minute flight deals from Maryland to Seattle. Data last updated November 9, 2026 and is based on user searches.
Discover last-minute flight deals from Maryland to Seattle. Data last updated November 9, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 11/4. 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 12/26:00 am -
1 stop8h 10m
Sun 12/1311:37 pm -
1 stop20h 51m
Deal found 11/4![Delta logo]()
$385
This Southwest deal was found by Cheapflights users on 11/4. 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 12/210:55 am -
2 stops10h 40m
Wed 12/99:25 am -
2 stops8h 45m
Deal found 11/4![Southwest logo]()
$396
This Mytrip deal was found by Cheapflights users on 11/4. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/36:43 pm -
2 stops23h 57m
Mon 12/78:56 pm -
2 stops12h 14m
Deal found 11/4![Frontier logo]()
$350
This Delta deal was found by Cheapflights users on 11/4. 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 12/311:46 am -
1 stop8h 24m
Sat 12/1211:15 pm -
1 stop8h 22m
Deal found 11/4![Delta logo]()
$377
This Southwest deal was found by Cheapflights users on 11/4. 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.
Thu 12/33:45 pm -
2 stops10h 05m
Wed 12/99:25 am -
1 stop9h 25m
Deal found 11/4![Southwest logo]()
$382
This Southwest deal was found by Cheapflights users on 11/4. 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.
Thu 12/310:50 am -
1 stop10h 50m
Sun 12/61:55 pm -
1 stop7h 25m
Deal found 11/4![Southwest logo]()
$392
This American Airlines deal was found by Cheapflights users on 11/6. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/44:35 pm -
1 stop9h 34m
Fri 12/1111:16 am -
1 stop7h 43m
Deal found 11/6![American Airlines logo]()
$529
This Mytrip deal was found by Cheapflights users on 11/4. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/66:41 pm -
2 stops24h 02m
Fri 12/119:09 pm -
2 stops12h 22m
Deal found 11/4![Frontier logo]()
$362
This Southwest deal was found by Cheapflights users on 11/4. 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 12/75:20 pm -
1 stop8h 30m
Thu 12/106:10 am -
2 stops10h 50m
Deal found 11/4![Southwest logo]()
$391
This Mytrip deal was found by Cheapflights users on 11/5. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/88:41 pm -
2 stops22h 02m
Fri 12/119:09 pm -
2 stops12h 22m
Deal found 11/5![Frontier logo]()
$348
This Southwest deal was found by Cheapflights users on 11/5. 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.
Tue 12/85:20 pm -
1 stop8h 30m
Fri 12/118:30 am -
1 stop8h 00m
Deal found 11/5![Southwest logo]()
$386
This American Airlines deal was found by Cheapflights users on 11/8. Clicking the “Pick Dates” 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 12/912:46 pm -
1 stop8h 36m
Tue 12/159:15 am -
1 stop10h 17m
Deal found 11/8![American Airlines logo]()
$376
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 November 9, 2026.
Search for one-way flight options from Maryland to Seattle. Find affordable one-way fares based on user searches. Data last updated November 9, 2026.
This Kiwi.com deal was found by Cheapflights users on 11/5. 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.
Thu 12/36:23 am -
2 stops40h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/5![Frontier logo]()
$172
This Kiwi.com deal was found by Cheapflights users on 11/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/88:41 pm -
2 stops22h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/7![Frontier logo]()
$176
This Mytrip deal was found by Cheapflights users on 11/8. Clicking the “Pick Dates” 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.
Tue 12/156:41 pm -
2 stops24h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/8![Frontier logo]()
$178
This Kiwi.com deal was found by Cheapflights users on 11/5. 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.
Wed 1/65:02 pm -
2 stops46h 07m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/5![Frontier logo]()
$179
This Kiwi.com deal was found by Cheapflights users on 11/6. 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 12/96:00 am -
2 stops33h 31m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/6![Frontier logo]()
$181
This Delta deal was found by Cheapflights users on 11/5. 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 12/27:20 pm -
1 stop7h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/5![Delta logo]()
$189
This Kiwi.com deal was found by Cheapflights users on 11/5. 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.
Wed 12/28:50 pm -
2 stops45h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/5![Frontier logo]()
$190
This Kiwi.com deal was found by Cheapflights users on 11/5. 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.
Thu 1/72:37 pm -
2 stops24h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/5![Frontier logo]()
$192
This Kiwi.com deal was found by Cheapflights users on 11/5. 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 12/16:00 am -
2 stops57h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/5![Frontier logo]()
$193
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 November 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $348 (Mytrip) |
One-way from | $172 (Kiwi.com) |
Popular in | July |
Cheapest in | February |
Average price | $507 |
Good round-trip deal | $433 or less |
Good one-way deal | $243 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 7,457,451 searches. Data last updated November 9, 2026.
Use the filters below to find and compare flights from Maryland to Seattle that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BaltimoreSeattle
BWI Baltimore/Washington - SEA Seattle/Tacoma Intl
BWISEA
Baltimore/Washington
Mon 12/21
7:30 pm-1:45 am
1 stop9h 15m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$189
BaltimoreSeattle
BWI Baltimore/Washington - SEA Seattle/Tacoma Intl
BWISEA
Baltimore/Washington
Fri 12/4
6:32 pm-11:55 pm
1 stop8h 23m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$204
BaltimoreSeattle
BWI Baltimore/Washington - SEA Seattle/Tacoma Intl
BWISEA
Baltimore/Washington
Sun 1/10
3:01 pm-8:50 pm
1 stop8h 49m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$204
BaltimoreSeattle
BWI Baltimore/Washington - SEA Seattle/Tacoma Intl
BWISEA
Baltimore/Washington
Wed 12/2
6:05 am-1:00 pm
1 stop9h 55m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$204
BaltimoreSeattle
BWI Baltimore/Washington - SEA Seattle/Tacoma Intl
BWISEA
Baltimore/Washington
Sun 1/10
3:10 pm-11:00 pm
1 stop10h 50m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$204
Quickest round-trip
BaltimoreSeattle
BWI Baltimore/Washington - SEA Seattle/Tacoma Intl
BWISEA
Baltimore/Washington
Tue 12/1
7:20 pm-11:53 pm
1 stop7h 33m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$204
BaltimoreSeattle
BWI Baltimore/Washington - SEA Seattle/Tacoma Intl
BWISEA
Baltimore/Washington
Tue 12/8
10:30 am-4:47 pm
1 stop9h 17m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$204
BaltimoreSeattle
BWI Baltimore/Washington - SEA Seattle/Tacoma Intl
BWISEA
Baltimore/Washington
Tue 1/12
5:29 pm-10:02 pm
1 stop7h 33m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$204
BaltimoreSeattle
BWI Baltimore/Washington - SEA Seattle/Tacoma Intl
BWISEA
Baltimore/Washington
Tue 12/22
7:35 pm-1:20 am
1 stop8h 45m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$224
BaltimoreSeattle
BWI Baltimore/Washington - SEA Seattle/Tacoma Intl
BWISEA
Baltimore/Washington
Wed 11/18
6:05 am-1:00 pm
1 stop9h 55m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$239
Showing 1-10 of 26 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
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.
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Everything you need to know about your flight from Maryland to Seattle
USMD-SEA
BWI-SEA
SBY-SEA
What is the cheapest month to book a flight from Maryland to Seattle?
Currently, February is the cheapest month in which you can book a flight from Maryland to Seattle (average of $302). Flying from Maryland to Seattle in June is currently the most expensive (average of $529). 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 November 9, 2026.
It’s typically best to fly out from Maryland to Seattle in the evening. Doing so could potentially save you 38% on the flight price compared to flying at noon, which is usually more expensive.
How much does it cost to fly round-trip from Maryland to Seattle?
Airfare is below average for this route at the moment.
Maryland to Seattle flights typically cost between $396 and $556 in December.The cheapest round-trip price found within the last 5 days was $348 on Frontier (Dec 8-Dec 11).
How far ahead should I book a flight from Maryland to Seattle?
The best time to book flights from Maryland to Seattle is 73 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Related info for your journey
Find useful and relevant information for your journey from Maryland to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Seattle?
Book flights to Seattle if you plan to visit one of these locationsSeaTac
Renton
Lacey
Tacoma
Leavenworth
Tukwila
Snoqualmie
Puyallup
Lynnwood
Centralia
Kent
Tumwater
Ocean Shores
Ellensburg
Issaquah
Olympia
Lakewood
Poulsbo
Marysville
Shoreline
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Maryland and Seattle flights
Browse other Maryland and Seattle flight options. Last updated on November 9, 2026.
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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 November 9, 2026.
Top 6 airlines flying from Maryland to Seattle
Discover the top 6 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 7,457,451 searches. Data last updated November 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$99 | Average$324 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$179 | Average$397 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$217 | Average$470 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$219 | Average$369 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$238 | Average$428 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$275 | Average$475 | FlexibilityNo cancel fee | On-time75% |