$127+ Cheap flights from Hartford to Seattle (BDL - SEA)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/20. Fares are subject to change and may not be available on all flights or dates of travel.
BDL — SEA
Apr 12 — Apr 191
Round-trip
1 adult, Economy
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Cheapest flights from Hartford to SeattleExplore the most affordable flight options available from Hartford to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 13, 2026.
Explore the most affordable flight options available from Hartford to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 13, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” 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 5/43:50 pm
BDL
- SEA
2 stops28h 52m
Multiple Airlines
Mon 5/119:35 pm
SEA
- BDL
1 stop29h 45m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$307
This Kiwi.com deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” 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 4/233:50 pm
BDL
- SEA
2 stops21h 02m
Multiple Airlines
Mon 4/2710:11 pm
SEA
- BDL
1 stop18h 48m
Multiple Airlines
Deal found 3/11![Multiple Airlines logo]()
$359
This Kiwi.com deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/1312:49 pm
BDL
- SEA
2 stops23h 38m
Multiple Airlines
Mon 4/208:45 pm
SEA
- BDL
1 stop20h 14m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$376
This Cheapflightsfares deal was found by Cheapflights users on 3/7. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/811:52 am
BDL
- SEA
1 stop8h 05m
Sun Country Air
Thu 6/1811:59 pm
SEA
- BDL
1 stop7h 48m
Sun Country Air
Deal found 3/7![Sun Country Air logo]()
$383
This Kiwi.com deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/148:05 am
BDL
- SEA
2 stops28h 22m
Multiple Airlines
Mon 4/208:45 pm
SEA
- BDL
1 stop20h 14m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$410
This Kiwi.com deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” 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 3/268:08 pm
BDL
- SEA
2 stops24h 31m
Multiple Airlines
Mon 3/3010:10 pm
SEA
- BDL
1 stop18h 45m
Multiple Airlines
Deal found 3/10![Multiple Airlines logo]()
$418
This American Airlines deal was found by Cheapflights users on 3/8. 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.
Sat 5/911:52 am
BDL
- SEA
1 stop13h 46m
American Airlines
Sat 5/167:10 am
SEA
- BDL
1 stop12h 47m
American Airlines
Deal found 3/8![American Airlines logo]()
$426
This Delta deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” 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 4/146:00 am
BDL
- SEA
2 stops16h 05m
Delta
Tue 4/216:00 am
SEA
- BDL
1 stop7h 31m
Delta
Deal found 3/9![Delta logo]()
$427
This Delta deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/155:17 pm
BDL
- SEA
1 stop7h 32m
Delta
Tue 4/217:25 am
SEA
- BDL
1 stop8h 05m
Delta
Deal found 3/9![Delta logo]()
$437
This Kiwi.com deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” 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 4/236:15 pm
BDL
- SEA
1 stop29h 41m
Multiple Airlines
Wed 4/297:12 pm
SEA
- BDL
2 stops16h 37m
Multiple Airlines
Deal found 3/12![Multiple Airlines logo]()
$439
This Southwest deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/74:05 pm
BDL
- SEA
2 stops11h 05m
Southwest
Tue 4/146:00 am
SEA
- BDL
1 stop7h 00m
Southwest
Deal found 3/10![Southwest logo]()
$442
This Kiwi.com deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” 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 3/258:30 am
BDL
- SEA
1 stop15h 33m
Multiple Airlines
Wed 4/1510:57 am
SEA
- BDL
2 stops24h 52m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$445
Best flights from Hartford to SeattleDiscover carefully curated flight deals from Hartford to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 13, 2026.
Discover carefully curated flight deals from Hartford to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 13, 2026.
This United Airlines deal was found by Cheapflights users on 3/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/95:10 pm
BDL
- SEA
1 stop10h 24m
United Airlines
Mon 4/1310:48 am
SEA
- BDL
1 stop7h 49m
United Airlines
Deal found 3/7![United Airlines logo]()
$473
This Southwest deal was found by Cheapflights users on 3/7. 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.
Mon 5/117:20 pm
BDL
- SEA
1 stop7h 45m
Southwest
Sat 5/168:30 am
SEA
- BDL
2 stops11h 25m
Southwest
Deal found 3/7![Southwest logo]()
$474
This Delta deal was found by Cheapflights users on 3/7. 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 4/275:17 pm
BDL
- SEA
1 stop7h 33m
Delta
Sat 5/26:00 am
SEA
- BDL
1 stop7h 59m
Delta
Deal found 3/7![Delta logo]()
$506
This Southwest deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/287:20 pm
BDL
- SEA
1 stop7h 45m
Southwest
Mon 6/16:15 pm
SEA
- BDL
2 stops10h 55m
Southwest
Deal found 3/9![Southwest logo]()
$478
This United Airlines deal was found by Cheapflights users on 3/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/247:44 pm
BDL
- SEA
1 stop28h 09m
United Airlines
Tue 4/288:00 am
SEA
- BDL
1 stop27h 08m
United Airlines
Deal found 3/7![United Airlines logo]()
$509
This Delta deal was found by Cheapflights users on 3/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/87:00 am
BDL
- SEA
1 stop14h 52m
Delta
Sat 9/1911:53 pm
SEA
- BDL
1 stop7h 55m
Delta
Deal found 3/8![Delta logo]()
$541
This Southwest deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/97:20 pm
BDL
- SEA
1 stop7h 45m
Southwest
Thu 4/165:35 pm
SEA
- BDL
2 stops11h 35m
Southwest
Deal found 3/10![Southwest logo]()
$531
This Delta deal was found by Cheapflights users on 3/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/66:00 am
BDL
- SEA
1 stop9h 53m
Delta
Tue 9/229:20 pm
SEA
- BDL
1 stop17h 48m
Delta
Deal found 3/8![Delta logo]()
$541
This Southwest deal was found by Cheapflights users on 3/7. 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.
Mon 6/812:40 pm
BDL
- SEA
2 stops12h 10m
Southwest
Thu 6/187:20 pm
SEA
- BDL
2 stops9h 45m
Southwest
Deal found 3/7![Southwest logo]()
$535
This Delta deal was found by Cheapflights users on 3/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/87:00 am
BDL
- SEA
1 stop12h 22m
Delta
Fri 9/189:20 pm
SEA
- BDL
1 stop10h 30m
Delta
Deal found 3/8![Delta logo]()
$541
This Southwest deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” 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 5/157:20 pm
BDL
- SEA
1 stop7h 45m
Southwest
Sat 5/2311:55 pm
SEA
- BDL
1 stop9h 00m
Southwest
Deal found 3/11![Southwest logo]()
$535
Last-minute flights from Hartford to SeattleDiscover last-minute flight deals from Hartford to Seattle. Data last updated March 13, 2026 and is based on user searches.
Discover last-minute flight deals from Hartford to Seattle. Data last updated March 13, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” 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 3/258:30 am
BDL
- SEA
1 stop15h 33m
Multiple Airlines
Wed 4/1510:57 am
SEA
- BDL
2 stops24h 52m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$445
This Kiwi.com deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” 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 3/268:08 pm
BDL
- SEA
2 stops24h 31m
Multiple Airlines
Mon 3/3010:10 pm
SEA
- BDL
1 stop18h 45m
Multiple Airlines
Deal found 3/10![Multiple Airlines logo]()
$418
This Southwest deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/67:05 pm
BDL
- SEA
1 stop8h 25m
Southwest
Tue 4/1411:45 pm
SEA
- BDL
1 stop7h 55m
Southwest
Deal found 3/9![Southwest logo]()
$455
This Southwest deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/74:05 pm
BDL
- SEA
2 stops11h 05m
Southwest
Tue 4/146:00 am
SEA
- BDL
1 stop7h 00m
Southwest
Deal found 3/10![Southwest logo]()
$442
This Kiwi.com deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/1312:49 pm
BDL
- SEA
2 stops23h 38m
Multiple Airlines
Mon 4/208:45 pm
SEA
- BDL
1 stop20h 14m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$376
This Kiwi.com deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/148:05 am
BDL
- SEA
2 stops28h 22m
Multiple Airlines
Mon 4/208:45 pm
SEA
- BDL
1 stop20h 14m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$410
This Delta deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” 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 4/146:00 am
BDL
- SEA
2 stops16h 05m
Delta
Tue 4/216:00 am
SEA
- BDL
1 stop7h 31m
Delta
Deal found 3/9![Delta logo]()
$427
This Southwest deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/144:05 pm
BDL
- SEA
2 stops11h 05m
Southwest
Tue 4/216:50 am
SEA
- BDL
2 stops11h 15m
Southwest
Deal found 3/9![Southwest logo]()
$447
This Delta deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/155:17 pm
BDL
- SEA
1 stop7h 32m
Delta
Tue 4/217:25 am
SEA
- BDL
1 stop8h 05m
Delta
Deal found 3/9![Delta logo]()
$437
This American Airlines deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” 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 4/216:45 am
BDL
- SEA
1 stop10h 42m
American Airlines
Sat 5/211:16 am
SEA
- BDL
1 stop8h 41m
American Airlines
Deal found 3/9![American Airlines logo]()
$451
This Kiwi.com deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” 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 4/233:50 pm
BDL
- SEA
2 stops21h 02m
Multiple Airlines
Mon 4/2710:11 pm
SEA
- BDL
1 stop18h 48m
Multiple Airlines
Deal found 3/11![Multiple Airlines logo]()
$359
This Kiwi.com deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” 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 4/236:15 pm
BDL
- SEA
1 stop29h 41m
Multiple Airlines
Wed 4/297:12 pm
SEA
- BDL
2 stops16h 37m
Multiple Airlines
Deal found 3/12![Multiple Airlines logo]()
$439
One-way flights from Hartford to SeattleSearch for one-way flight options from Hartford to Seattle. Find affordable one-way fares based on user searches. Data last updated March 13, 2026.
Search for one-way flight options from Hartford to Seattle. Find affordable one-way fares based on user searches. Data last updated March 13, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/203:50 pm
BDL
- SEA
2 stops44h 37m
Frontier
Deal found 3/11![Frontier logo]()
$127
This Kiwi.com deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” 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.
Fri 4/243:34 pm
BDL
- SEA
2 stops44h 53m
Frontier
Deal found 3/10![Frontier logo]()
$131
This Kiwi.com deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” 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 4/233:50 pm
BDL
- SEA
2 stops21h 02m
Frontier
Deal found 3/10![Frontier logo]()
$138
This Kiwi.com deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” 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 5/111:07 pm
BDL
- SEA
2 stops31h 35m
Frontier
Deal found 3/10![Frontier logo]()
$146
This Kiwi.com deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/27:20 am
BDL
- SEA
2 stops29h 07m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$149
This Kiwi.com deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/32:58 pm
BDL
- SEA
2 stops27h 07m
Frontier
Deal found 3/10![Frontier logo]()
$154
This Kiwi.com deal was found by Cheapflights users on 3/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/227:20 am
BDL
- SEA
2 stops34h 45m
Multiple Airlines
Deal found 3/8![Multiple Airlines logo]()
$155
This Kiwi.com deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/157:20 am
BDL
- SEA
2 stops29h 07m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$160
This Kiwi.com deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” 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 5/66:00 am
BDL
- SEA
2 stops30h 27m
Multiple Airlines
Deal found 3/10![Multiple Airlines logo]()
$167
Find flight deals from Hartford to Seattle
Discover tips and strategies to find the most affordable flight options for your journey from Hartford (BDL) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $307 (Kiwi.com) |
One-way from | $127 (Kiwi.com) |
Popular in | December |
Cheapest in | September |
Average price | $568 |
Cheapflights Fare Finder
Customize your flight search to find flights from Hartford to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 13, 2026.
Use the filters below to find and compare flights from Hartford to Seattle that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
HartfordSeattle
BDL - SEA
BDLSEA
Hartford Bradley Intl
Thu 4/9
5:10 pm-12:34 am
1 stop10h 24m
Seattle/Tacoma Intl
Mon 4/13
10:48 am-9:37 pm
1 stop7h 49m
$473
HartfordSeattle
BDL - SEA
BDLSEA
Hartford Bradley Intl
Mon 5/11
7:20 pm-12:05 am
1 stop7h 45m
Seattle/Tacoma Intl
Sat 5/16
8:30 am-10:55 pm
2 stops11h 25m
$474
HartfordSeattle
BDL - SEA
BDLSEA
Hartford Bradley Intl
Thu 5/28
7:20 pm-12:05 am
1 stop7h 45m
Seattle/Tacoma Intl
Mon 6/1
6:15 pm-8:10 am
2 stops10h 55m
$478
Quickest round-trip
HartfordSeattle
BDL - SEA
BDLSEA
Hartford Bradley Intl
Mon 4/27
5:17 pm-9:50 pm
1 stop7h 33m
Seattle/Tacoma Intl
Sat 5/2
6:00 am-4:59 pm
1 stop7h 59m
$506
HartfordSeattle
BDL - SEA
BDLSEA
Hartford Bradley Intl
Fri 4/24
7:44 pm-8:53 pm
1 stop28h 09m
Seattle/Tacoma Intl
Tue 4/28
8:00 am-2:08 pm
1 stop27h 08m
$509
HartfordSeattle
BDL - SEA
BDLSEA
Hartford Bradley Intl
Thu 4/9
7:20 pm-12:05 am
1 stop7h 45m
Seattle/Tacoma Intl
Thu 4/16
5:35 pm-8:10 am
2 stops11h 35m
$531
HartfordSeattle
BDL - SEA
BDLSEA
Hartford Bradley Intl
Mon 6/8
12:40 pm-9:50 pm
2 stops12h 10m
Seattle/Tacoma Intl
Thu 6/18
7:20 pm-8:05 am
2 stops9h 45m
$535
HartfordSeattle
BDL - SEA
BDLSEA
Hartford Bradley Intl
Fri 5/15
7:20 pm-12:05 am
1 stop7h 45m
Seattle/Tacoma Intl
Sat 5/23
11:55 pm-11:55 am
1 stop9h 00m
$535
HartfordSeattle
BDL - SEA
BDLSEA
Hartford Bradley Intl
Tue 9/8
7:00 am-6:52 pm
1 stop14h 52m
Seattle/Tacoma Intl
Sat 9/19
11:53 pm-10:48 am
1 stop7h 55m
$541
HartfordSeattle
BDL - SEA
BDLSEA
Hartford Bradley Intl
Sun 9/6
6:00 am-12:53 pm
1 stop9h 53m
Seattle/Tacoma Intl
Tue 9/22
9:20 pm-6:08 pm
1 stop17h 48m
$541
Showing 1-10 of 22 resultsSorted by cheapest first
Compare providers for flights from Hartford to Seattle
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Hartford to Seattle in March.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Hartford-Seattle flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Hartford-Seattle flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Hartford-Seattle flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Hartford-Seattle flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Hartford-Seattle flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Hartford to Seattle
Have a flexible travel schedule? Discover the best time to fly to Seattle from Hartford with our price prediction graph.
BDL-SEA
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Hartford to Seattle
How far ahead should I book a flight from Hartford to Seattle?
Use this chart to determine the optimal time to book a round-trip flight from Hartford to Seattle. Price data was last updated on March 6, 2026.
The best time to book flights from Hartford to Seattle is 68 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.
What is the cheapest month to book a flight from Hartford to Seattle?
Currently, November is the cheapest month in which you can book a flight from Hartford to Seattle (average of $196). Flying from Hartford to Seattle in April is currently the most expensive (average of $348). 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.
Reviews of airlines servicing Seattle
Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated March 13, 2026.
Read through reviews of airlines operating flights from Hartford to Seattle, such as Southwest,Delta, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Overall
8.0
Crew
8.6
Boarding
8.1
Comfort
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Overall
8.0
Crew
8.6
Boarding
8.1
Comfort
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Overall
8.0
Crew
8.6
Boarding
8.1
Comfort
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Overall
8.0
Crew
8.6
Boarding
8.1
Comfort
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Overall
8.0
Crew
8.6
Boarding
8.1
Comfort
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Overall
8.0
Crew
8.6
Boarding
8.1
Comfort
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Related info for your journey
Find useful and relevant information for your journey from Hartford to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Seattle?
Book flights to Seattle if you plan to visit one of these locationsTacoma
SeaTac
Lakewood
Ocean Shores
Olympia
Kent
Lynnwood
Edmonds
Lacey
Renton
Puyallup
Kirkland
Tukwila
Fife
Aberdeen
Shoreline
Marysville
Centralia
Federal Way
Chehalis
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Search flights from Hartford to Seattle by cabin class
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Hartford and Seattle flights
Browse other Hartford and Seattle flight options. Last updated on March 13, 2026.
Popular flight searches
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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 March 13, 2026.
Top 5 airlines flying from Hartford to Seattle
Discover the top 5 airlines that operate flights from Hartford to Seattle. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$157 | Average$406 | FlexibilityNo cancel fee | On-time83% | |
| Cheapest$288 | Average$547 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$324 | Average$527 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$342 | Average$539 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$386 | Average$592 | FlexibilityNo cancel fee | On-time63% |