$183+ Cheap flights from Seattle to Hartford (SEA - BDL)
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 6/2. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BDL
May 23 — May 301
Round-trip
1 adult, Economy
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Cheapest flights from Seattle to HartfordExplore the most affordable flight options available from Seattle to Hartford. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 23, 2026.
Explore the most affordable flight options available from Seattle to Hartford. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 23, 2026.
This United Airlines deal was found by Cheapflights users on 4/21. 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 6/311:52 pm
SEA
- BDL
1 stop7h 04m
United Airlines
Tue 6/94:50 pm
BDL
- SEA
1 stop10h 09m
United Airlines
Deal found 4/21![United Airlines logo]()
$360
This American Airlines deal was found by Cheapflights users on 4/20. 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.
Wed 6/311:43 am
SEA
- BDL
1 stop8h 43m
American Airlines
Tue 6/96:00 pm
BDL
- SEA
1 stop9h 59m
American Airlines
Deal found 4/20![American Airlines logo]()
$365
This Southwest deal was found by Cheapflights users on 4/22. 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.
Wed 8/1211:05 pm
SEA
- BDL
1 stop9h 55m
Southwest
Tue 8/1812:40 pm
BDL
- SEA
2 stops10h 45m
Southwest
Deal found 4/22![Southwest logo]()
$370
This Southwest deal was found by Cheapflights users on 4/22. 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.
Wed 9/911:00 pm
SEA
- BDL
2 stops11h 00m
Southwest
Tue 9/1512:40 pm
BDL
- SEA
2 stops10h 45m
Southwest
Deal found 4/22![Southwest logo]()
$375
This United Airlines deal was found by Cheapflights users on 4/18. 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 5/307:00 am
SEA
- BDL
1 stop7h 14m
United Airlines
Tue 6/24:50 pm
BDL
- SEA
1 stop10h 09m
United Airlines
Deal found 4/18![United Airlines logo]()
$378
This Kiwi.com deal was found by Cheapflights users on 4/22. 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 6/37:50 pm
SEA
- BDL
2 stops23h 52m
Multiple Airlines
Tue 6/96:05 pm
BDL
- SEA
1 stop19h 30m
Multiple Airlines
Deal found 4/22![Multiple Airlines logo]()
$382
This Delta deal was found by Cheapflights users on 4/18. 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 6/111:05 pm
SEA
- BDL
1 stop6h 37m
Delta
Wed 6/104:55 pm
BDL
- SEA
1 stop8h 39m
Delta
Deal found 4/18![Delta logo]()
$383
This Delta deal was found by Cheapflights users on 4/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/125:30 am
SEA
- BDL
1 stop7h 40m
Delta
Wed 5/206:59 pm
BDL
- SEA
1 stop7h 45m
Delta
Deal found 4/21![Delta logo]()
$393
This American Airlines deal was found by Cheapflights users on 4/18. 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 6/135:15 am
SEA
- BDL
1 stop8h 18m
American Airlines
Sat 6/202:46 pm
BDL
- SEA
1 stop11h 13m
American Airlines
Deal found 4/18![American Airlines logo]()
$396
This Kiwi.com deal was found by Cheapflights users on 4/21. 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.
Thu 6/47:50 pm
SEA
- BDL
2 stops17h 55m
Multiple Airlines
Sun 6/75:40 pm
BDL
- SEA
1 stop19h 56m
Multiple Airlines
Deal found 4/21![Multiple Airlines logo]()
$397
This United Airlines deal was found by Cheapflights users on 4/21. 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 6/310:40 pm
SEA
- BDL
1 stop8h 16m
United Airlines
Sat 6/64:50 pm
BDL
- SEA
1 stop10h 09m
United Airlines
Deal found 4/21![United Airlines logo]()
$399
Best flights from Seattle to HartfordDiscover carefully curated flight deals from Seattle to Hartford that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 23, 2026.
Discover carefully curated flight deals from Seattle to Hartford that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 23, 2026.
This Southwest deal was found by Cheapflights users on 4/22. 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.
Wed 9/911:05 pm
SEA
- BDL
1 stop9h 55m
Southwest
Tue 9/155:55 pm
BDL
- SEA
1 stop8h 40m
Southwest
Deal found 4/22![Southwest logo]()
$365
This United Airlines deal was found by Cheapflights users on 4/21. 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 5/910:52 am
SEA
- BDL
1 stop7h 34m
United Airlines
Wed 5/136:00 am
BDL
- SEA
1 stop8h 39m
United Airlines
Deal found 4/21![United Airlines logo]()
$526
This Southwest deal was found by Cheapflights users on 4/18. 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 6/139:25 pm
SEA
- BDL
1 stop7h 30m
Southwest
Sat 6/205:10 pm
BDL
- SEA
2 stops11h 00m
Southwest
Deal found 4/18![Southwest logo]()
$478
This Southwest deal was found by Cheapflights users on 4/22. 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.
Wed 6/311:45 pm
SEA
- BDL
1 stop8h 10m
Southwest
Mon 6/812:40 pm
BDL
- SEA
2 stops12h 10m
Southwest
Deal found 4/22![Southwest logo]()
$486
This United Airlines deal was found by Cheapflights users on 4/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/110:40 pm
SEA
- BDL
2 stops12h 26m
United Airlines
Thu 6/46:00 am
BDL
- SEA
2 stops11h 16m
United Airlines
Deal found 4/22![United Airlines logo]()
$612
This Southwest deal was found by Cheapflights users on 4/22. 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.
Wed 6/37:10 pm
SEA
- BDL
2 stops9h 55m
Southwest
Tue 6/97:05 am
BDL
- SEA
2 stops11h 45m
Southwest
Deal found 4/22![Southwest logo]()
$585
This United Airlines deal was found by Cheapflights users on 4/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/215:22 pm
SEA
- BDL
2 stops13h 15m
United Airlines
Sun 8/306:00 am
BDL
- SEA
1 stop12h 20m
United Airlines
Deal found 4/22![United Airlines logo]()
$652
This Southwest deal was found by Cheapflights users on 4/22. 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.
Thu 5/2111:55 pm
SEA
- BDL
1 stop7h 45m
Southwest
Thu 5/284:40 pm
BDL
- SEA
2 stops10h 25m
Southwest
Deal found 4/22![Southwest logo]()
$591
This Southwest deal was found by Cheapflights users on 4/19. 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.
Thu 7/2310:45 pm
SEA
- BDL
2 stops10h 15m
Southwest
Wed 7/294:00 pm
BDL
- SEA
2 stops10h 30m
Southwest
Deal found 4/19![Southwest logo]()
$596
This Southwest deal was found by Cheapflights users on 4/20. 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.
Sun 5/314:45 pm
SEA
- BDL
2 stops12h 25m
Southwest
Wed 6/312:25 pm
BDL
- SEA
2 stops13h 05m
Southwest
Deal found 4/20![Southwest logo]()
$608
Last-minute flights from Seattle to HartfordDiscover last-minute flight deals from Seattle to Hartford. Data last updated April 23, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Hartford. Data last updated April 23, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 4/19. 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 5/1112:34 pm
SEA
- BDL
1 stop8h 07m
American Airlines
Tue 5/127:19 pm
BDL
- SEA
1 stop8h 17m
American Airlines
Deal found 4/19![American Airlines logo]()
$383
This United Airlines deal was found by Cheapflights users on 4/19. 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.
Mon 5/111:07 pm
SEA
- BDL
1 stop7h 37m
United Airlines
Tue 5/126:05 am
BDL
- SEA
2 stops11h 06m
United Airlines
Deal found 4/19![United Airlines logo]()
$432
This Delta deal was found by Cheapflights users on 4/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1111:59 pm
SEA
- BDL
1 stop7h 47m
Delta
Wed 5/206:59 pm
BDL
- SEA
1 stop7h 45m
Delta
Deal found 4/21![Delta logo]()
$450
This Delta deal was found by Cheapflights users on 4/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/125:30 am
SEA
- BDL
1 stop7h 40m
Delta
Wed 5/206:59 pm
BDL
- SEA
1 stop7h 45m
Delta
Deal found 4/21![Delta logo]()
$393
This American Airlines deal was found by Cheapflights users on 4/21. 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.
Tue 5/1211:16 am
SEA
- BDL
1 stop8h 41m
American Airlines
Tue 5/197:19 pm
BDL
- SEA
1 stop8h 17m
American Airlines
Deal found 4/21![American Airlines logo]()
$433
This Delta deal was found by Cheapflights users on 4/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/121:30 pm
SEA
- BDL
1 stop8h 03m
Delta
Sat 5/166:00 am
BDL
- SEA
1 stop7h 55m
Delta
Deal found 4/21![Delta logo]()
$435
This Delta deal was found by Cheapflights users on 4/18. 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 5/1911:59 pm
SEA
- BDL
1 stop7h 47m
Delta
Wed 5/274:59 pm
BDL
- SEA
1 stop8h 49m
Delta
Deal found 4/18![Delta logo]()
$451
This American Airlines deal was found by Cheapflights users on 4/21. 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.
Tue 5/2610:35 pm
SEA
- BDL
1 stop8h 44m
American Airlines
Fri 5/296:00 pm
BDL
- SEA
1 stop9h 59m
American Airlines
Deal found 4/21![American Airlines logo]()
$443
This American Airlines deal was found by Cheapflights users on 4/20. 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 5/285:15 am
SEA
- BDL
1 stop8h 18m
American Airlines
Wed 6/36:00 am
BDL
- SEA
1 stop8h 46m
American Airlines
Deal found 4/20![American Airlines logo]()
$404
This United Airlines deal was found by Cheapflights users on 4/18. 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 5/307:00 am
SEA
- BDL
1 stop7h 14m
United Airlines
Tue 6/24:50 pm
BDL
- SEA
1 stop10h 09m
United Airlines
Deal found 4/18![United Airlines logo]()
$378
One-way flights from Seattle to HartfordSearch for one-way flight options from Seattle to Hartford. Find affordable one-way fares based on user searches. Data last updated April 23, 2026.
Search for one-way flight options from Seattle to Hartford. Find affordable one-way fares based on user searches. Data last updated April 23, 2026.
This American Airlines deal was found by Cheapflights users on 4/20. 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.
Tue 6/210:23 am
SEA
- BDL
1 stop10h 03m
American Airlines
Deal found 4/20![American Airlines logo]()
$183
This Kiwi.com deal was found by Cheapflights users on 4/21. 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.
Wed 7/298:13 pm
SEA
- BDL
2 stops36h 25m
Frontier
Deal found 4/21![Frontier logo]()
$187
This Kiwi.com deal was found by Cheapflights users on 4/22. 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.
Sun 5/318:20 pm
SEA
- BDL
3 stops49h 21m
Multiple Airlines
Deal found 4/22![Multiple Airlines logo]()
$190
This United Airlines deal was found by Cheapflights users on 4/19. 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 5/1010:41 pm
SEA
- BDL
1 stop7h 56m
United Airlines
Deal found 4/19![United Airlines logo]()
$192
This Kiwi.com deal was found by Cheapflights users on 4/20. 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 5/277:50 pm
SEA
- BDL
3 stops48h 43m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$195
This Kiwi.com deal was found by Cheapflights users on 4/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/2611:21 am
SEA
- BDL
3 stops45h 19m
Multiple Airlines
Deal found 4/19![Multiple Airlines logo]()
$205
This Kiwi.com deal was found by Cheapflights users on 4/20. 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.
Fri 5/157:50 pm
SEA
- BDL
2 stops20h 02m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$218
This Cheapflightsfares deal was found by Cheapflights users on 4/21. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/3111:59 pm
SEA
- BDL
1 stop7h 13m
Sun Country Air
Deal found 4/21![Sun Country Air logo]()
$222
This United Airlines deal was found by Cheapflights users on 4/19. 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.
Mon 6/1510:40 pm
SEA
- BDL
2 stops12h 26m
United Airlines
Deal found 4/19![United Airlines logo]()
$223
Find flight deals from Seattle to Hartford
Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Hartford (BDL). 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 April 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $360 (United Airlines) |
One-way from | $183 (American Airlines) |
Popular in | November |
Cheapest in | September |
Average price | $547 |
Cheapflights Fare Finder
Customize your flight search to find flights from Seattle to Hartford 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 April 23, 2026.
Use the filters below to find and compare flights from Seattle to Hartford that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
SeattleHartford
SEA - BDL
SEABDL
Seattle/Tacoma Intl
Wed 9/9
11:05 pm-12:00 pm
1 stop9h 55m
Hartford Bradley Intl
Tue 9/15
5:55 pm-11:35 pm
1 stop8h 40m
$365
SeattleHartford
SEA - BDL
SEABDL
Seattle/Tacoma Intl
Sat 6/13
9:25 pm-7:55 am
1 stop7h 30m
Hartford Bradley Intl
Sat 6/20
5:10 pm-1:10 am
2 stops11h 00m
$478
SeattleHartford
SEA - BDL
SEABDL
Seattle/Tacoma Intl
Wed 6/3
11:45 pm-10:55 am
1 stop8h 10m
Hartford Bradley Intl
Mon 6/8
12:40 pm-9:50 pm
2 stops12h 10m
$486
Quickest round-trip
SeattleHartford
SEA - BDL
SEABDL
Seattle/Tacoma Intl
Sat 5/9
10:52 am-9:26 pm
1 stop7h 34m
Hartford Bradley Intl
Wed 5/13
6:00 am-11:39 am
1 stop8h 39m
$526
SeattleHartford
SEA - BDL
SEABDL
Seattle/Tacoma Intl
Wed 6/3
7:10 pm-8:05 am
2 stops9h 55m
Hartford Bradley Intl
Tue 6/9
7:05 am-3:50 pm
2 stops11h 45m
$585
SeattleHartford
SEA - BDL
SEABDL
Seattle/Tacoma Intl
Thu 5/21
11:55 pm-10:40 am
1 stop7h 45m
Hartford Bradley Intl
Thu 5/28
4:40 pm-12:05 am
2 stops10h 25m
$591
SeattleHartford
SEA - BDL
SEABDL
Seattle/Tacoma Intl
Thu 7/23
10:45 pm-12:00 pm
2 stops10h 15m
Hartford Bradley Intl
Wed 7/29
4:00 pm-11:30 pm
2 stops10h 30m
$596
SeattleHartford
SEA - BDL
SEABDL
Seattle/Tacoma Intl
Sun 5/31
4:45 pm-8:10 am
2 stops12h 25m
Hartford Bradley Intl
Wed 6/3
12:25 pm-10:30 pm
2 stops13h 05m
$608
SeattleHartford
SEA - BDL
SEABDL
Seattle/Tacoma Intl
Mon 6/1
10:40 pm-2:06 pm
2 stops12h 26m
Hartford Bradley Intl
Thu 6/4
6:00 am-2:16 pm
2 stops11h 16m
$612
SeattleHartford
SEA - BDL
SEABDL
Seattle/Tacoma Intl
Fri 8/21
5:22 pm-9:37 am
2 stops13h 15m
Hartford Bradley Intl
Sun 8/30
6:00 am-3:20 pm
1 stop12h 20m
$652
Showing 1-10 of 19 resultsSorted by cheapest first
Compare providers for flights from Seattle to Hartford
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 Seattle to Hartford in April.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Seattle-Hartford flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Hartford flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Hartford flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Seattle-Hartford 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 Seattle-Hartford 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 Seattle to Hartford
Have a flexible travel schedule? Discover the best time to fly to Hartford from Seattle with our price prediction graph.
SEA-BDL
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Seattle to Hartford
How far ahead should I book a flight from Seattle to Hartford?
Use this chart to determine the optimal time to book a round-trip flight from Seattle to Hartford. Price data was last updated on April 17, 2026.
To ensure you get the cheapest price possible for a flight from Seattle to Hartford, you should look to book at least 76 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from Seattle to Hartford?
Currently, September is the cheapest month in which you can book a flight from Seattle to Hartford (average of $431). Flying from Seattle to Hartford in November is currently the most expensive (average of $636). 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 Seattle to Hartford?
Reviews of airlines servicing Hartford
Get insights into the airlines that provide service to Hartford. 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 Hartford. Reviews last updated April 23, 2026.
Read reviews from past customers who have flown Southwest,Alaska Airlines, andDelta from Seattle to Hartford. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
8.0
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Food
7.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Overall
8.0
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Food
7.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Overall
8.0
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Food
7.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Overall
8.0
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Food
7.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Overall
8.0
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Food
7.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Overall
8.0
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Food
7.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Related info for your journey
Find useful and relevant information for your journey from Seattle to Hartford. 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 Hartford?
Book flights to Hartford if you plan to visit one of these locationsNew Britain
Enfield
Uncasville
Windsor Locks
Cromwell
Windsor
Farmington
Southington
East Hartford
Rocky Hill
Northampton
Westfield
Glastonbury
Meriden
West Springfield
Newington
Lee
West Hartford
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Alternative routes for Seattle to Hartford
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Search flights from Seattle to Hartford by cabin class
Find flights from Seattle to Hartford, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Seattle and Hartford flights
Browse other Seattle and Hartford flight options. Last updated on April 23, 2026.
Other flights from Seattle
Browse through other flights departing from Seattle. Flights are based on user searches made on Cheapflights and were last updated on April 23, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 5 airlines flying from Seattle to Hartford
Discover the top 5 airlines that operate flights from Seattle to Hartford. 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 April 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$316 | Average$544 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$316 | Average$518 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$324 | Average$516 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$352 | Average$546 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$576 | Average$925 | FlexibilityNo cancel fee | On-time75% |