$139+ 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 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
BDL — SEA
Aug 23 — Aug 301
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 July 24, 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 July 24, 2026.
This Southwest deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/93:05 pm
BDL
- SEA
2 stops11h 25m
Southwest
Sat 9/125:30 am
SEA
- BDL
2 stops10h 00m
Southwest
Deal found 7/23![Southwest logo]()
$402
This Kiwi.com deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” 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 8/305:40 pm
BDL
- SEA
1 stop19h 59m
Multiple Airlines
Mon 9/79:29 pm
SEA
- BDL
1 stop29h 51m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$404
This American Airlines deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” 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 8/206:00 pm
BDL
- SEA
1 stop9h 50m
American Airlines
Tue 8/2511:56 pm
SEA
- BDL
1 stop8h 40m
American Airlines
Deal found 7/24![American Airlines logo]()
$406
This United Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/293:01 pm
BDL
- SEA
2 stops10h 42m
United Airlines
Sun 9/611:00 pm
SEA
- BDL
1 stop8h 38m
United Airlines
Deal found 7/21![United Airlines logo]()
$407
This American Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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 8/212:39 pm
BDL
- SEA
1 stop9h 19m
American Airlines
Tue 9/156:40 am
SEA
- BDL
1 stop11h 02m
American Airlines
Deal found 7/22![American Airlines logo]()
$409
This American Airlines deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” 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 9/36:00 pm
BDL
- SEA
1 stop9h 50m
American Airlines
Sat 9/1211:57 pm
SEA
- BDL
1 stop9h 12m
American Airlines
Deal found 7/20![American Airlines logo]()
$410
This Southwest deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/176:20 pm
BDL
- SEA
1 stop8h 35m
Southwest
Wed 8/266:40 am
SEA
- BDL
2 stops11h 30m
Southwest
Deal found 7/24![Southwest logo]()
$411
This Delta deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” 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 9/65:50 am
BDL
- SEA
1 stop7h 41m
Delta
Wed 9/911:05 pm
SEA
- BDL
1 stop9h 36m
Delta
Deal found 7/20![Delta logo]()
$412
This Delta deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” 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 9/186:55 pm
BDL
- SEA
1 stop8h 00m
Delta
Sat 9/196:00 am
SEA
- BDL
1 stop8h 59m
Delta
Deal found 7/23![Delta logo]()
$414
This American Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” 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 8/282:39 pm
BDL
- SEA
1 stop11h 17m
American Airlines
Sun 9/65:15 am
SEA
- BDL
1 stop8h 15m
American Airlines
Deal found 7/21![American Airlines logo]()
$415
This Southwest deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” 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 9/223:05 pm
BDL
- SEA
2 stops11h 05m
Southwest
Thu 9/2411:00 pm
SEA
- BDL
2 stops11h 00m
Southwest
Deal found 7/24![Southwest logo]()
$416
This Southwest deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/176:20 pm
BDL
- SEA
1 stop8h 35m
Southwest
Wed 8/1911:00 pm
SEA
- BDL
2 stops11h 00m
Southwest
Deal found 7/21![Southwest logo]()
$417
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 July 24, 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 July 24, 2026.
This Southwest deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/235:45 pm
BDL
- SEA
1 stop8h 25m
Southwest
Mon 9/2811:05 pm
SEA
- BDL
1 stop9h 55m
Southwest
Deal found 7/24![Southwest logo]()
$406
This United Airlines deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/226:00 am
BDL
- SEA
1 stop8h 53m
United Airlines
Sun 12/1310:40 pm
SEA
- BDL
1 stop8h 45m
United Airlines
Deal found 7/20![United Airlines logo]()
$453
This Southwest deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/191:15 pm
BDL
- SEA
2 stops11h 15m
Southwest
Sun 9/2711:00 pm
SEA
- BDL
2 stops11h 00m
Southwest
Deal found 7/22![Southwest logo]()
$424
This United Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” 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 8/126:00 am
BDL
- SEA
2 stops16h 08m
United Airlines
Mon 8/247:35 pm
SEA
- BDL
2 stops15h 54m
United Airlines
Deal found 7/21![United Airlines logo]()
$529
This Southwest deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/221:00 pm
BDL
- SEA
1 stop8h 15m
Southwest
Sun 8/3011:05 pm
SEA
- BDL
2 stops10h 55m
Southwest
Deal found 7/21![Southwest logo]()
$486
This Southwest deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/248:00 am
BDL
- SEA
2 stops9h 55m
Southwest
Sat 8/2911:00 pm
SEA
- BDL
2 stops10h 20m
Southwest
Deal found 7/19![Southwest logo]()
$506
This United Airlines deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” 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 8/213:36 pm
BDL
- SEA
1 stop10h 28m
United Airlines
Fri 8/287:35 pm
SEA
- BDL
2 stops11h 02m
United Airlines
Deal found 7/20![United Airlines logo]()
$568
This United Airlines deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” 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 9/1712:12 pm
BDL
- SEA
2 stops14h 14m
United Airlines
Sun 9/2011:00 pm
SEA
- BDL
1 stop8h 34m
United Airlines
Deal found 7/23![United Airlines logo]()
$575
This Southwest deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/283:40 pm
BDL
- SEA
2 stops10h 15m
Southwest
Mon 9/711:05 pm
SEA
- BDL
2 stops10h 05m
Southwest
Deal found 7/22![Southwest logo]()
$576
Last-minute flights from Hartford to SeattleDiscover last-minute flight deals from Hartford to Seattle. Data last updated July 24, 2026 and is based on user searches.
Discover last-minute flight deals from Hartford to Seattle. Data last updated July 24, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/176:20 pm
BDL
- SEA
1 stop8h 35m
Southwest
Wed 8/266:40 am
SEA
- BDL
2 stops11h 30m
Southwest
Deal found 7/24![Southwest logo]()
$411
This Southwest deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/176:20 pm
BDL
- SEA
1 stop8h 35m
Southwest
Wed 8/1911:00 pm
SEA
- BDL
2 stops11h 00m
Southwest
Deal found 7/21![Southwest logo]()
$417
This American Airlines deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” 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 8/177:00 am
BDL
- SEA
1 stop10h 45m
American Airlines
Mon 8/2411:56 pm
SEA
- BDL
1 stop8h 40m
American Airlines
Deal found 7/19![American Airlines logo]()
$419
This Delta deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” 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 8/196:50 am
BDL
- SEA
1 stop9h 10m
Delta
Tue 8/259:45 pm
SEA
- BDL
1 stop9h 40m
Delta
Deal found 7/20![Delta logo]()
$412
This American Airlines deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” 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 8/205:41 pm
BDL
- SEA
1 stop8h 54m
American Airlines
Tue 8/259:58 pm
SEA
- BDL
1 stop9h 24m
American Airlines
Deal found 7/24![American Airlines logo]()
$406
This Southwest deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” 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 8/201:40 pm
BDL
- SEA
1 stop7h 40m
Southwest
Tue 8/2511:05 pm
SEA
- BDL
2 stops10h 05m
Southwest
Deal found 7/24![Southwest logo]()
$421
This American Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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 8/212:39 pm
BDL
- SEA
1 stop9h 19m
American Airlines
Tue 9/156:40 am
SEA
- BDL
1 stop11h 02m
American Airlines
Deal found 7/22![American Airlines logo]()
$409
This Southwest deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” 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 8/271:40 pm
BDL
- SEA
2 stops10h 05m
Southwest
Tue 9/1511:05 pm
SEA
- BDL
2 stops10h 05m
Southwest
Deal found 7/23![Southwest logo]()
$402
This American Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” 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 8/282:39 pm
BDL
- SEA
1 stop11h 17m
American Airlines
Sun 9/65:15 am
SEA
- BDL
1 stop8h 15m
American Airlines
Deal found 7/21![American Airlines logo]()
$415
This United Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/293:01 pm
BDL
- SEA
2 stops10h 42m
United Airlines
Sun 9/611:00 pm
SEA
- BDL
1 stop8h 38m
United Airlines
Deal found 7/21![United Airlines logo]()
$407
This Kiwi.com deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” 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 8/305:40 pm
BDL
- SEA
1 stop19h 59m
Multiple Airlines
Mon 9/79:29 pm
SEA
- BDL
1 stop29h 51m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$404
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 July 24, 2026.
Search for one-way flight options from Hartford to Seattle. Find affordable one-way fares based on user searches. Data last updated July 24, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” 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 9/18:10 am
BDL
- SEA
3 stops29h 29m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$139
This Kiwi.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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 8/266:25 am
BDL
- SEA
2 stops14h 26m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$161
This Kiwi.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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 8/258:10 am
BDL
- SEA
3 stops29h 29m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$171
This Kiwi.com deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” 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 9/238:15 am
BDL
- SEA
3 stops28h 36m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$178
This United Airlines deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/610:33 am
BDL
- SEA
1 stop8h 33m
United Airlines
Deal found 7/19![United Airlines logo]()
$183
This Kiwi.com deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” 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 9/277:30 am
BDL
- SEA
3 stops43h 57m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$186
This United Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/226:00 am
BDL
- SEA
2 stops11h 24m
United Airlines
Deal found 7/21![United Airlines logo]()
$188
This Delta deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” 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 10/3011:50 am
BDL
- SEA
1 stop8h 07m
Delta
Deal found 7/20![Delta logo]()
$189
This Kiwi.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” 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 8/2612:27 pm
BDL
- SEA
2 stops25h 12m
Frontier
Deal found 7/22![Frontier logo]()
$192
This Kiwi.com deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” 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 8/2212:27 pm
BDL
- SEA
2 stops25h 12m
Frontier
Deal found 7/23![Frontier logo]()
$193
This Southwest deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” 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 10/301:45 pm
BDL
- SEA
2 stops11h 45m
Southwest
Deal found 7/20![Southwest logo]()
$194
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 July 24, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $402 (Southwest) |
One-way from | $139 (Kiwi.com) |
Popular in | July |
Cheapest in | October |
Average price | $667 |
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 July 24, 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
Wed 9/23
5:45 pm-11:10 pm
1 stop8h 25m
Seattle/Tacoma Intl
Mon 9/28
11:05 pm-12:00 pm
1 stop9h 55m
$406
HartfordSeattle
BDL - SEA
BDLSEA
Hartford Bradley Intl
Sat 9/19
1:15 pm-9:30 pm
2 stops11h 15m
Seattle/Tacoma Intl
Sun 9/27
11:00 pm-1:00 pm
2 stops11h 00m
$424
Quickest round-trip
HartfordSeattle
BDL - SEA
BDLSEA
Hartford Bradley Intl
Sun 11/22
6:00 am-11:53 am
1 stop8h 53m
Seattle/Tacoma Intl
Sun 12/13
10:40 pm-10:25 am
1 stop8h 45m
$453
HartfordSeattle
BDL - SEA
BDLSEA
Hartford Bradley Intl
Sat 8/22
1:00 pm-6:15 pm
1 stop8h 15m
Seattle/Tacoma Intl
Sun 8/30
11:05 pm-1:00 pm
2 stops10h 55m
$486
HartfordSeattle
BDL - SEA
BDLSEA
Hartford Bradley Intl
Mon 8/24
8:00 am-2:55 pm
2 stops9h 55m
Seattle/Tacoma Intl
Sat 8/29
11:00 pm-12:20 pm
2 stops10h 20m
$506
HartfordSeattle
BDL - SEA
BDLSEA
Hartford Bradley Intl
Wed 8/12
6:00 am-7:08 pm
2 stops16h 08m
Seattle/Tacoma Intl
Mon 8/24
7:35 pm-2:29 pm
2 stops15h 54m
$529
HartfordSeattle
BDL - SEA
BDLSEA
Hartford Bradley Intl
Fri 8/21
3:36 pm-11:04 pm
1 stop10h 28m
Seattle/Tacoma Intl
Fri 8/28
7:35 pm-9:37 am
2 stops11h 02m
$568
HartfordSeattle
BDL - SEA
BDLSEA
Hartford Bradley Intl
Thu 9/17
12:12 pm-11:26 pm
2 stops14h 14m
Seattle/Tacoma Intl
Sun 9/20
11:00 pm-10:34 am
1 stop8h 34m
$575
HartfordSeattle
BDL - SEA
BDLSEA
Hartford Bradley Intl
Fri 8/28
3:40 pm-10:55 pm
2 stops10h 15m
Seattle/Tacoma Intl
Mon 9/7
11:05 pm-12:10 pm
2 stops10h 05m
$576
Cheapest one-way
HartfordSeattle
BDL - SEA
BDLSEA
Hartford Bradley Intl
Tue 9/8
5:55 pm-11:35 pm
1 stop8h 40m
$183
Showing 1-10 of 20 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 July.
| 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
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How far ahead should I book a flight from Hartford to Seattle?
The best time to book flights from Hartford to Seattle is 79 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, October is the cheapest month in which you can book a flight from Hartford to Seattle (average of $464). Flying from Hartford to Seattle in July is currently the most expensive (average of $667). 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.
How much does it cost to fly round-trip from Hartford to Seattle?
Airfare is below average for this route at the moment.
Hartford to Seattle flights typically cost between $538 and $762 in September.The cheapest round-trip price found within the last 5 days was $402 on Southwest (Sep 9-Sep 17).
What’s the top layover airport for flights from Hartford to Seattle?
Share of 1-stop round-trip flights from Hartford to Seattle chosen by Cheapflights users in the past 12 months, using the same layover each way.
Chicago (ORD) – chosen by Cheapflights users on 75% of 1-stop itineraries from Hartford to Seattle on Cheapflights.
What’s the cheapest layover airport for flights from Hartford to Seattle?
Average round-trip fare for 1-stop flights from Hartford to Seattle, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Chicago (ORD) is the most affordable 1-stop option, with an average round-trip price of $500.
What’s the fastest layover option from Hartford to Seattle?
Shortest average travel time for 1-stop one-way flights from Hartford to Seattle, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Washington, D.C. (IAD) have the shortest average one-way travel time for 1-stop routes: 8h 22m.
Which airport typically offers the quickest layover for flights from Hartford to Seattle?
Average layover duration for 1-stop one-way flights from Hartford to Seattle, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Washington, D.C. (IAD) offer the fastest connection on this route, with an average layover time of 1h 30m.
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 July 24, 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.
Food
7.0
Comfort
8.0
Boarding
8.1
Overall
8.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Food
7.0
Comfort
8.0
Boarding
8.1
Overall
8.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Food
7.0
Comfort
8.0
Boarding
8.1
Overall
8.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Food
7.0
Comfort
8.0
Boarding
8.1
Overall
8.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Food
7.0
Comfort
8.0
Boarding
8.1
Overall
8.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Food
7.0
Comfort
8.0
Boarding
8.1
Overall
8.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
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 locationsSeaTac
Tacoma
Renton
Lacey
Leavenworth
Olympia
Edmonds
Snoqualmie
Tumwater
Tukwila
Centralia
Puyallup
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Hartford and Seattle flights
Browse other Hartford and Seattle flight options. Last updated on July 24, 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 July 24, 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 July 24, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$191 | Average$495 | FlexibilityNo cancel fee | On-time83% | |
| Cheapest$289 | Average$570 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$316 | Average$572 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$342 | Average$584 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$436 | Average$651 | FlexibilityNo cancel fee | On-time63% |