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$159+ 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 3/8. Fares are subject to change and may not be available on all flights or dates of travel.
BDL — SEA
Feb 25 — Mar 41
Wed 2/25
Wed 3/4
1 adult, Economy
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Cheap flight deals from Hartford to Seattle

Cheapest flights from Hartford to Seattle
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 January 26, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/26. 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 2/237:00 am
BDL
-
SEA
2 stops30h 54m
Multiple Airlines
Mon 3/29:14 pm
SEA
-
BDL
1 stop19h 45m
Multiple Airlines
Deal found 1/26$304
This Sun Country Air deal was found by Cheapflights users on 1/24. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/2611:40 am
BDL
-
SEA
1 stop14h 06m
Sun Country Air
Wed 8/56:40 pm
SEA
-
BDL
1 stop13h 07m
Sun Country Air
Deal found 1/24$340
This Kiwi.com deal was found by Cheapflights users on 1/25. 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 2/286:20 pm
BDL
-
SEA
1 stop17h 38m
Multiple Airlines
Wed 3/116:24 pm
SEA
-
BDL
2 stops21h 49m
Multiple Airlines
Deal found 1/25$368
This Sun Country Air deal was found by Cheapflights users on 1/24. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/2411:04 am
BDL
-
SEA
1 stop9h 03m
Sun Country Air
Wed 8/56:40 pm
SEA
-
BDL
1 stop13h 07m
Sun Country Air
Deal found 1/24$370
This Booking.com deal was found by Cheapflights users on 1/26. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/1211:58 am
BDL
-
SEA
1 stop13h 48m
Sun Country Air
Sun 7/1911:59 pm
SEA
-
BDL
1 stop7h 48m
Sun Country Air
Deal found 1/26$395
This Kiwi.com deal was found by Cheapflights users on 1/26. 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 2/146:20 pm
BDL
-
SEA
1 stop17h 38m
Multiple Airlines
Sun 2/229:23 pm
SEA
-
BDL
2 stops57h 00m
Multiple Airlines
Deal found 1/26$396
This Cheapflightsfares deal was found by Cheapflights users on 1/26. 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.
Fri 6/128:00 pm
BDL
-
SEA
1 stop17h 57m
Sun Country Air
Sun 6/2811:59 pm
SEA
-
BDL
1 stop7h 48m
Sun Country Air
Deal found 1/26$403
This Booking.com deal was found by Cheapflights users on 1/26. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/1211:58 am
BDL
-
SEA
1 stop8h 24m
Sun Country Air
Sun 7/1211:59 pm
SEA
-
BDL
1 stop7h 05m
Sun Country Air
Deal found 1/26$405
This Sun Country Air deal was found by Cheapflights users on 1/25. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/266:51 pm
BDL
-
SEA
1 stop19h 31m
Sun Country Air
Sun 7/1911:59 pm
SEA
-
BDL
1 stop7h 48m
Sun Country Air
Deal found 1/25$425
This Sun Country Air deal was found by Cheapflights users on 1/26. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/2311:52 am
BDL
-
SEA
1 stop23h 03m
Sun Country Air
Sun 7/2611:59 pm
SEA
-
BDL
1 stop6h 55m
Sun Country Air
Deal found 1/26$435
This Kiwi.com deal was found by Cheapflights users on 1/26. 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 2/76:00 am
BDL
-
SEA
2 stops31h 46m
Multiple Airlines
Mon 2/91:11 pm
SEA
-
BDL
1 stop27h 48m
Multiple Airlines
Deal found 1/26$438

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 January 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$304
(Kiwi.com)

One-way from

$159
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$516
Provider with most accurate pricing for Hartford Bradley Intl-Seattle/Tacoma Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Hartford Bradley Intl-Seattle/Tacoma Intl flights.
Search Deals
From Hartford Bradley Intl to Seattle/Tacoma Intl
Search Deals
One-way flight from Hartford Bradley Intl to Seattle/Tacoma Intl
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($23 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 0% potential price decrease ($5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 January 26, 2026.
Use the filters below to find and compare flights from Hartford to Seattle that are best for you.

Fly from

Hartford

Fly to

Seattle

Route

Depart

Return

Price

HartfordSeattle

BDL - SEA

BDLSEA

Hartford Bradley Intl

Fri 7/24

11:04 am-5:07 pm

1 stop9h 03m

Seattle/Tacoma Intl

Wed 8/5

6:40 pm-10:47 am

1 stop13h 07m

$370

HartfordSeattle

BDL - SEA

BDLSEA

Hartford Bradley Intl

Mon 6/22

6:41 pm-10:57 am

1 stop19h 16m

Seattle/Tacoma Intl

Thu 7/2

11:59 pm-10:47 am

1 stop7h 48m

$380

HartfordSeattle

BDL - SEA

BDLSEA

Hartford Bradley Intl

Thu 6/25

11:52 am-10:46 pm

1 stop13h 54m

Seattle/Tacoma Intl

Wed 7/1

11:59 pm-11:17 am

1 stop8h 18m

$385

HartfordSeattle

BDL - SEA

BDLSEA

Hartford Bradley Intl

Mon 6/22

6:41 pm-10:57 am

1 stop19h 16m

Seattle/Tacoma Intl

Wed 7/1

11:59 pm-11:17 am

1 stop8h 18m

$400

HartfordSeattle

BDL - SEA

BDLSEA

Hartford Bradley Intl

Fri 6/26

6:51 pm-11:22 am

1 stop19h 31m

Seattle/Tacoma Intl

Sun 7/19

11:59 pm-10:47 am

1 stop7h 48m

$425

HartfordSeattle

BDL - SEA

BDLSEA

Hartford Bradley Intl

Sat 2/28

5:59 pm-12:24 am

1 stop9h 25m

Seattle/Tacoma Intl

Mon 3/2

12:07 am-10:10 am

1 stop7h 03m

$445

HartfordSeattle

BDL - SEA

BDLSEA

Hartford Bradley Intl

Tue 2/24

12:10 pm-10:35 pm

2 stops13h 25m

Seattle/Tacoma Intl

Tue 3/3

6:25 am-9:50 pm

2 stops12h 25m

$455

HartfordSeattle

BDL - SEA

BDLSEA

Hartford Bradley Intl

Sat 2/28

2:00 pm-11:55 pm

2 stops12h 55m

Seattle/Tacoma Intl

Wed 3/11

7:00 am-9:10 pm

2 stops11h 10m

$471

HartfordSeattle

BDL - SEA

BDLSEA

Hartford Bradley Intl

Thu 4/16

7:20 pm-12:05 am

1 stop7h 45m

Seattle/Tacoma Intl

Thu 4/30

8:10 am-10:05 pm

2 stops10h 55m

$482

HartfordSeattle

BDL - SEA

BDLSEA

Hartford Bradley Intl

Sat 4/11

6:00 am-11:34 am

1 stop8h 34m

Seattle/Tacoma Intl

Thu 4/16

11:26 pm-11:24 am

1 stop8h 58m

$495

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/24

Showing 1-10 of 22 results
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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 January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • 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 Expedia the most. Expedia 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.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Hartford to Seattle

How far ahead should I book a flight from Hartford to Seattle?

Use this chart to determine the optimal time to book a round-trip flight from Hartford to Seattle. Price data was last updated on January 23, 2026.

The best time to book flights from Hartford to Seattle is 90 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Hartford to Seattle?

Currently, November is the cheapest month in which you can book a flight from Hartford to Seattle (average of $196). Flying from Hartford to Seattle in April is currently the most expensive (average of $341). 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?

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 January 26, 2026.
Read through reviews of airlines operating flights from Hartford to Seattle, such as Southwest, Delta, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,268 reviews

Crew

8.6

Comfort

8.0

Food

7.0

Boarding

8.1

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
8.0
Very good
4,268 reviews
Southwest
8.0
Very good
4,268 reviews

Crew

8.6

Comfort

8.0

Food

7.0

Boarding

8.1

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Delta
7.9
Good
8,111 reviews
Southwest
8.0
Very good
4,268 reviews

Crew

8.6

Comfort

8.0

Food

7.0

Boarding

8.1

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
United Airlines
7.4
Good
9,199 reviews
Southwest
8.0
Very good
4,268 reviews

Crew

8.6

Comfort

8.0

Food

7.0

Boarding

8.1

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
American Airlines
7.2
Good
11,189 reviews
Southwest
8.0
Very good
4,268 reviews

Crew

8.6

Comfort

8.0

Food

7.0

Boarding

8.1

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Sun Country Air
6.9
Okay
343 reviews
Southwest
8.0
Very good
4,268 reviews

Crew

8.6

Comfort

8.0

Food

7.0

Boarding

8.1

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

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.

  • How long is the flight from Hartford to Seattle?

    Departing from Hartford to Seattle will take you 9h 03m. Hartford and Seattle are separated by a distance of 2423 mi.

  • What are the cheapest airlines flying from Hartford to Seattle round-trip?

    According to our current data, Sun Country Air ($157), Delta ($301), and American Airlines ($332) offers the cheapest pricing from Hartford to Seattle. You may be able to fly from Hartford to Seattle for 71% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Hartford to Seattle one-way?

    One-way options have recently been found by users for as low as $156 on Sun Country Air. Other airlines that offer cheap prices include American Airlines from $158 and Southwest from $164 one-way.

  • Where are the most common layover locations when flying from Hartford to Seattle?

    Hartford to Seattle flights have a layover in Chicago most of the time. Chicago is followed by Minneapolis in terms of the most popular layover location on flights from Hartford to Seattle.

  • What are some popular things to do or see while on a layover in Chicago?

    Chicago travelers tend to visit Magnificent Mile, River North, and Grant Park more than anywhere else. Magnificent Mile, River North, and Grant Park can be visited by traveling about 15.5 mi, 15.0 mi, and 16.2 mi respectively from Chicago O'Hare Intl. Those landing in Chicago looking to spend some time exploring during their layover can rent a car for about $51 per day.

  • What are some popular points of interest to see during a layover in Minneapolis?

    Minneapolis Armory, Orpheum Theatre, and State Theatre are the most popular attractions in Minneapolis if you're in need of something to do during your layover. Minneapolis Armory, Orpheum Theatre, and State Theatre can be visited by traveling about 7.0 mi, 7.3 mi, and 7.3 mi respectively from Minneapolis St Paul. Those looking to explore during their layover in Minneapolis can rent a car from Minneapolis St Paul for about $45 per day.

  • Where are the least popular layover locations for Hartford to Seattle flights?

    Hartford to Seattle flights have a layover in Detroit the least frequently. Charlotte sees the next fewest layovers on Hartford to Seattle flights.

  • Can I find deals for flights from Hartford to Seattle that include hotel bookings?

    Yes. In addition to deals on Hartford to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Hartford to Seattle?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Hartford to Seattle.

  • Can I find deals for business class flights from Hartford to Seattle?

    Yes. Cheapflights offers flight deals from Hartford to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Hartford to Seattle?

    Currently, November is the cheapest month in which you can book a flight from Hartford to Seattle (average of $196). Flying from Hartford to Seattle in April is currently the most expensive (average of $341). 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.

See more FAQs

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
SeaTac
Lakewood
Ocean Shores
Olympia
Lynnwood
Lacey
Edmonds
Renton
Puyallup
Kirkland
Kent
Tukwila
Fife
Aberdeen
Shoreline
Marysville
Centralia
Federal Way
Chehalis

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Hartford to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Hartford to Seattle

Discover the top 6 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 January 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
Sun Country AirCheapest$157Average$413FlexibilityNo cancel feeOn-time83%
DeltaCheapest$301Average$537FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$332Average$536FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$346Average$558FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$388Average$610FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$580Average$711FlexibilityNo cancel feeOn-time75%

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