$188+ Cheap flights from Hartford to Seattle (BDL - 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 10/20. Fares are subject to change and may not be available on all flights or dates of travel.
BDL — SEA
Oct 11 — Oct 181
Round-trip
1 adult, Economy
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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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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 September 11, 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 September 11, 2026.
This American Airlines deal was found by Cheapflights users on 9/6. 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.
Wed 11/186:18 am -
1 stop11h 33m
Wed 12/210:29 am -
1 stop10h 19m
Deal found 9/6![American Airlines logo]()
$375
This Delta deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2412:57 pm -
1 stop8h 38m
Sat 10/2410:35 pm -
1 stop8h 44m
Deal found 9/6![Delta logo]()
$389
This Delta deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/217:00 am -
1 stop10h 19m
Wed 10/2811:50 pm -
1 stop8h 00m
Deal found 9/6![Delta logo]()
$395
This United Airlines deal was found by Cheapflights users on 9/7. 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.
Tue 10/2012:38 pm -
1 stop9h 14m
Sat 10/245:00 am -
2 stops9h 53m
Deal found 9/7![United Airlines logo]()
$400
This Delta deal was found by Cheapflights users on 9/9. 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.
Mon 10/195:23 am -
2 stops16h 42m
Wed 10/2811:10 pm -
1 stop6h 37m
Deal found 9/9![Delta logo]()
$404
This Delta deal was found by Cheapflights users on 9/9. 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.
Thu 10/227:15 pm -
1 stop7h 44m
Tue 10/2711:59 pm -
1 stop9h 54m
Deal found 9/9![Delta logo]()
$406
This Kiwi.com deal was found by Cheapflights users on 9/7. 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.
Fri 10/307:05 am -
2 stops30h 54m
Mon 11/29:13 pm -
1 stop19h 46m
Deal found 9/7![Multiple Airlines logo]()
$408
This United Airlines deal was found by Cheapflights users on 9/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/710:33 am -
2 stops10h 46m
Wed 10/1411:14 pm -
1 stop7h 23m
Deal found 9/9![United Airlines logo]()
$411
This Delta deal was found by Cheapflights users on 9/8. 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.
Thu 10/227:15 pm -
1 stop7h 44m
Wed 11/46:00 am -
1 stop7h 29m
Deal found 9/8![Delta logo]()
$416
This Southwest deal was found by Cheapflights users on 9/10. 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 11/56:40 pm -
1 stop9h 00m
Sat 11/71:05 pm -
2 stops15h 45m
Deal found 9/10![Southwest logo]()
$417
This Delta deal was found by Cheapflights users on 9/9. 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.
Fri 10/237:15 pm -
1 stop7h 44m
Sat 10/2411:10 pm -
1 stop6h 37m
Deal found 9/9![Delta logo]()
$419
This United Airlines deal was found by Cheapflights users on 9/7. 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.
Tue 10/66:00 am -
2 stops11h 17m
Tue 10/1311:14 pm -
1 stop7h 23m
Deal found 9/7![United Airlines logo]()
$421
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 September 11, 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 September 11, 2026.
This Delta deal was found by Cheapflights users on 9/7. 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.
Sat 10/2412:57 pm -
1 stop8h 38m
Sat 10/2410:35 pm -
1 stop8h 44m
Deal found 9/7![Delta logo]()
$389
This United Airlines deal was found by Cheapflights users on 9/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/3012:38 pm -
1 stop9h 14m
Sat 10/311:13 pm -
1 stop8h 36m
Deal found 9/8![United Airlines logo]()
$437
This Southwest deal was found by Cheapflights users on 9/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/122:30 pm -
2 stops13h 10m
Sun 11/156:25 pm -
2 stops10h 30m
Deal found 9/8![Southwest logo]()
$460
This Delta deal was found by Cheapflights users on 9/7. 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.
Sat 10/175:14 pm -
1 stop7h 51m
Sat 10/241:42 pm -
1 stop7h 07m
Deal found 9/7![Delta logo]()
$395
This Delta deal was found by Cheapflights users on 9/9. 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.
Fri 11/65:23 am -
2 stops16h 42m
Sat 11/711:45 am -
1 stop8h 47m
Deal found 9/9![Delta logo]()
$419
This Southwest deal was found by Cheapflights users on 9/5. 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 10/201:25 pm -
2 stops12h 15m
Sat 10/2412:10 am -
2 stops11h 30m
Deal found 9/5![Southwest logo]()
$468
This Southwest deal was found by Cheapflights users on 9/7. 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.
Sat 10/171:10 pm -
2 stops11h 30m
Fri 10/236:50 pm -
2 stops10h 50m
Deal found 9/7![Southwest logo]()
$468
This Delta deal was found by Cheapflights users on 9/9. 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.
Fri 10/25:13 pm -
1 stop7h 52m
Tue 10/2011:50 pm -
1 stop8h 00m
Deal found 9/9![Delta logo]()
$426
This Delta deal was found by Cheapflights users on 9/8. 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.
Thu 10/2211:55 am -
1 stop8h 03m
Mon 10/2611:50 pm -
1 stop8h 00m
Deal found 9/8![Delta logo]()
$437
This Delta deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/262:00 pm -
1 stop11h 03m
Wed 10/286:00 am -
1 stop9h 25m
Deal found 9/6![Delta logo]()
$439
This Delta deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/217:00 am -
1 stop10h 19m
Mon 10/2611:10 pm -
1 stop6h 37m
Deal found 9/6![Delta logo]()
$439
This Delta deal was found by Cheapflights users on 9/9. 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.
Fri 10/237:15 pm -
1 stop7h 44m
Mon 10/2610:35 pm -
1 stop8h 44m
Deal found 9/9![Delta logo]()
$450
Last-minute flights from Hartford to SeattleDiscover last-minute flight deals from Hartford to Seattle. Data last updated September 11, 2026 and is based on user searches.
Discover last-minute flight deals from Hartford to Seattle. Data last updated September 11, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 9/7. 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.
Tue 10/66:00 am -
2 stops11h 17m
Tue 10/1311:14 pm -
1 stop7h 23m
Deal found 9/7![United Airlines logo]()
$421
This United Airlines deal was found by Cheapflights users on 9/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/710:33 am -
2 stops10h 46m
Wed 10/1411:14 pm -
1 stop7h 23m
Deal found 9/9![United Airlines logo]()
$411
This Southwest deal was found by Cheapflights users on 9/7. 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.
Sat 10/174:20 pm -
1 stop8h 20m
Fri 10/238:05 am -
2 stops10h 50m
Deal found 9/7![Southwest logo]()
$424
This Delta deal was found by Cheapflights users on 9/9. 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.
Mon 10/195:23 am -
2 stops19h 37m
Sat 10/2411:10 pm -
1 stop6h 37m
Deal found 9/9![Delta logo]()
$404
This United Airlines deal was found by Cheapflights users on 9/7. 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.
Tue 10/2012:38 pm -
1 stop9h 14m
Sat 10/245:00 am -
2 stops9h 53m
Deal found 9/7![United Airlines logo]()
$400
This Southwest deal was found by Cheapflights users on 9/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2012:55 pm -
2 stops12h 45m
Tue 11/35:15 am -
2 stops13h 50m
Deal found 9/8![Southwest logo]()
$422
This Delta deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/217:00 am -
1 stop10h 19m
Wed 10/2811:50 pm -
1 stop8h 00m
Deal found 9/6![Delta logo]()
$395
This Delta deal was found by Cheapflights users on 9/9. 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.
Thu 10/227:15 pm -
1 stop7h 44m
Wed 10/2811:50 pm -
1 stop8h 00m
Deal found 9/9![Delta logo]()
$406
This Delta deal was found by Cheapflights users on 9/8. 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.
Thu 10/227:15 pm -
1 stop7h 44m
Wed 11/46:00 am -
1 stop7h 29m
Deal found 9/8![Delta logo]()
$416
This Delta deal was found by Cheapflights users on 9/9. 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.
Fri 10/237:15 pm -
1 stop7h 44m
Sat 10/2411:10 pm -
1 stop6h 37m
Deal found 9/9![Delta logo]()
$419
This Delta deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2412:57 pm -
1 stop8h 38m
Sat 10/2410:35 pm -
1 stop8h 44m
Deal found 9/6![Delta logo]()
$389
This Kiwi.com deal was found by Cheapflights users on 9/7. 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.
Fri 10/307:05 am -
2 stops30h 54m
Mon 11/29:13 pm -
1 stop19h 46m
Deal found 9/7![Multiple Airlines logo]()
$408
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 September 11, 2026.
Search for one-way flight options from Hartford to Seattle. Find affordable one-way fares based on user searches. Data last updated September 11, 2026.
This Delta deal was found by Cheapflights users on 9/9. 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 10/202:00 pm -
1 stop11h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Delta logo]()
$188
This Kiwi.com deal was found by Cheapflights users on 9/6. 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.
Mon 10/196:00 am -
3 stops36h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Multiple Airlines logo]()
$197
This Delta deal was found by Cheapflights users on 9/7. 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.
Wed 10/212:00 pm -
1 stop11h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Delta logo]()
$198
This United Airlines deal was found by Cheapflights users on 9/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/710:33 am -
2 stops11h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![United Airlines logo]()
$203
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 10/207:05 am -
3 stops35h 07m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Multiple Airlines logo]()
$211
This United Airlines deal was found by Cheapflights users on 9/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/106:00 am -
2 stops12h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![United Airlines logo]()
$213
This United Airlines deal was found by Cheapflights users on 9/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/109:44 am -
2 stops13h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![United Airlines logo]()
$216
This Delta deal was found by Cheapflights users on 9/7. 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.
Thu 10/227:15 pm -
1 stop7h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Delta logo]()
$219
This American Airlines deal was found by Cheapflights users on 9/9. 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.
Mon 10/191:00 pm -
1 stop10h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![American Airlines logo]()
$232
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 September 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $375 (American Airlines) |
One-way from | $188 (Delta) |
Popular in | July |
Cheapest in | October |
Average price | $547 |
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 7,457,451 searches. Data last updated September 11, 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 Hartford Bradley Intl - SEA Seattle/Tacoma Intl
BDLSEA
Hartford Bradley Intl
Sat 10/10
5:14 pm-10:05 pm
1 stop7h 51m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$188
HartfordSeattle
BDL Hartford Bradley Intl - SEA Seattle/Tacoma Intl
BDLSEA
Hartford Bradley Intl
Sat 10/10
9:44 am-8:37 pm
2 stops13h 53m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$216
HartfordSeattle
BDL Hartford Bradley Intl - SEA Seattle/Tacoma Intl
BDLSEA
Hartford Bradley Intl
Sun 10/25
6:00 am-11:39 am
1 stop8h 39m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$232
HartfordSeattle
BDL Hartford Bradley Intl - SEA Seattle/Tacoma Intl
BDLSEA
Hartford Bradley Intl
Thu 10/8
12:35 pm-9:22 pm
1 stop11h 47m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$232
HartfordSeattle
BDL Hartford Bradley Intl - SEA Seattle/Tacoma Intl
BDLSEA
Hartford Bradley Intl
Mon 10/19
5:23 am-11:00 am
1 stop8h 37m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$239
Quickest round-trip
HartfordSeattle
BDL Hartford Bradley Intl - SEA Seattle/Tacoma Intl
BDLSEA
Hartford Bradley Intl
Fri 10/23
7:15 pm-11:59 pm
1 stop7h 44m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$239
HartfordSeattle
BDL Hartford Bradley Intl - SEA Seattle/Tacoma Intl
BDLSEA
Hartford Bradley Intl
Tue 10/20
5:23 am-10:00 pm
2 stops19h 37m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$253
HartfordSeattle
BDL Hartford Bradley Intl - SEA Seattle/Tacoma Intl
BDLSEA
Hartford Bradley Intl
Tue 9/15
5:45 pm-11:10 pm
1 stop8h 25m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$275
HartfordSeattle
BDL Hartford Bradley Intl - SEA Seattle/Tacoma Intl
BDLSEA
Hartford Bradley Intl
Sat 9/26
8:25 am-4:07 pm
1 stop10h 42m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$275
HartfordSeattle
BDL Hartford Bradley Intl - SEA Seattle/Tacoma Intl
BDLSEA
Hartford Bradley Intl
Wed 9/16
6:00 am-1:44 pm
1 stop10h 44m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$275
Showing 1-10 of 24 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 September.
| 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 47 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 $470). Flying from Hartford to Seattle in July is currently the most expensive (average of $669). 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 $493 and $641 in November.The cheapest round-trip price found within the last 5 days was $375 on American Airlines (Nov 18-Dec 2).
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 September 11, 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
Overall
8.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Food
7.0
Overall
8.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Food
7.0
Overall
8.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Food
7.0
Overall
8.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Food
7.0
Overall
8.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - 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 locationsSeaTac
Renton
Tacoma
Lacey
Leavenworth
Olympia
Tukwila
Edmonds
Snoqualmie
Puyallup
Lynnwood
Centralia
Kent
Tumwater
Ellensburg
Issaquah
Marysville
Ocean Shores
Lakewood
Fife
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Alternative routes for Hartford to Seattle
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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 September 11, 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 September 11, 2026.
Top 4 airlines flying from Hartford to Seattle
Discover the top 4 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 7,457,451 searches. Data last updated September 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$342 | Average$576 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$352 | Average$567 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$364 | Average$574 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$454 | Average$652 | FlexibilityNo cancel fee | On-time63% |