Seattle

$143+ 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 9/8. Fares are subject to change and may not be available on all flights or dates of travel.
BDL — SEA
Jul 11 — Jul 181
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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 June 11, 2026.

This American Airlines deal was found by Cheapflights users on 6/7. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/292:36 pm
BDL
-
SEA
1 stop11h 20m
American Airlines
Mon 8/39:35 pm
SEA
-
BDL
1 stop8h 53m
American Airlines
Deal found 6/7$448
This American Airlines deal was found by Cheapflights users on 6/7. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/245:29 pm
BDL
-
SEA
1 stop8h 43m
American Airlines
Thu 12/3112:12 am
SEA
-
BDL
1 stop8h 44m
American Airlines
Deal found 6/7$453
This Southwest deal was found by Cheapflights users on 6/7. 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.
Thu 12/107:40 am
BDL
-
SEA
1 stop8h 15m
Southwest
Sun 12/1312:15 am
SEA
-
BDL
2 stops11h 05m
Southwest
Deal found 6/7$455
This American Airlines deal was found by Cheapflights users on 6/7. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/55:41 pm
BDL
-
SEA
1 stop9h 32m
American Airlines
Sun 9/1310:45 pm
SEA
-
BDL
1 stop8h 32m
American Airlines
Deal found 6/7$456
This Southwest deal was found by Cheapflights users on 6/6. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/1611:20 am
BDL
-
SEA
1 stop8h 40m
Southwest
Fri 8/215:15 am
SEA
-
BDL
1 stop14h 00m
Southwest
Deal found 6/6$458
This Kiwi.com deal was found by Cheapflights users on 6/6. 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.
Sat 8/88:10 pm
BDL
-
SEA
2 stops39h 54m
Multiple Airlines
Sat 8/228:13 pm
SEA
-
BDL
1 stop31h 02m
Multiple Airlines
Deal found 6/6$459
This Southwest deal was found by Cheapflights users on 6/8. 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 7/286:30 pm
BDL
-
SEA
1 stop8h 55m
Southwest
Mon 8/1011:05 pm
SEA
-
BDL
2 stops10h 05m
Southwest
Deal found 6/8$461
This Delta deal was found by Cheapflights users on 6/6. 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.
Fri 8/77:05 pm
BDL
-
SEA
1 stop7h 49m
Delta
Tue 8/1811:59 pm
SEA
-
BDL
1 stop7h 55m
Delta
Deal found 6/6$462
This Kiwi.com deal was found by Cheapflights users on 6/6. 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.
Tue 8/46:05 pm
BDL
-
SEA
1 stop20h 03m
Multiple Airlines
Wed 8/198:13 pm
SEA
-
BDL
1 stop31h 02m
Multiple Airlines
Deal found 6/6$463
This Delta deal was found by Cheapflights users on 6/7. 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 7/412:24 pm
BDL
-
SEA
1 stop11h 25m
Delta
Sat 7/1112:05 pm
SEA
-
BDL
1 stop8h 34m
Delta
Deal found 6/7$464
This Sun Country Air deal was found by Cheapflights users on 6/8. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/217:09 pm
BDL
-
SEA
1 stop24h 39m
Sun Country Air
Sun 8/3011:59 pm
SEA
-
BDL
1 stop7h 51m
Sun Country Air
Deal found 6/8$465

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 June 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$448
(American Airlines)

One-way from

$143
(Southwest)

Popular in

June

Cheapest in

October

Average price

$656
Provider with most accurate pricing for Hartford Bradley Intl-Seattle/Tacoma Intl flight deals.
Provider most trusted by Cheapflights users for Hartford Bradley Intl-Seattle/Tacoma Intl flights.
From Hartford Bradley Intl to Seattle/Tacoma Intl
One-way flight from Hartford Bradley Intl to Seattle/Tacoma Intl
Highest demand for flights based on searches. 7% potential increase in price ($46 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($9 potential savings vs. average RT price).
Average for round-trip flights in June 2026

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 June 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

Price

Cheapest round-trip

HartfordSeattle

BDL - SEA

BDLSEA

Hartford Bradley Intl

Wed 8/12

4:50 pm-10:43 pm

1 stop8h 53m

Seattle/Tacoma Intl

Wed 8/19

6:15 pm-9:37 am

2 stops12h 22m

$480

HartfordSeattle

BDL - SEA

BDLSEA

Hartford Bradley Intl

Fri 9/18

4:50 pm-10:45 pm

1 stop8h 55m

Seattle/Tacoma Intl

Fri 9/25

6:05 pm-9:37 am

2 stops12h 32m

$487

HartfordSeattle

BDL - SEA

BDLSEA

Hartford Bradley Intl

Fri 8/21

11:44 am-11:26 pm

2 stops14h 42m

Seattle/Tacoma Intl

Fri 8/28

6:10 pm-9:37 am

2 stops12h 27m

$514

HartfordSeattle

BDL - SEA

BDLSEA

Hartford Bradley Intl

Sat 7/4

12:24 pm-8:49 pm

1 stop11h 25m

Seattle/Tacoma Intl

Thu 7/9

12:05 pm-11:39 pm

1 stop8h 34m

$524

HartfordSeattle

BDL - SEA

BDLSEA

Hartford Bradley Intl

Sat 7/11

5:15 pm-1:15 am

2 stops11h 00m

Seattle/Tacoma Intl

Fri 7/17

11:05 pm-10:55 am

1 stop8h 50m

$525

HartfordSeattle

BDL - SEA

BDLSEA

Hartford Bradley Intl

Sat 7/11

5:55 pm-11:35 pm

1 stop8h 40m

Seattle/Tacoma Intl

Sat 7/18

6:40 pm-7:55 am

2 stops10h 15m

$550

HartfordSeattle

BDL - SEA

BDLSEA

Hartford Bradley Intl

Fri 7/24

12:40 pm-12:35 am

1 stop14h 55m

Seattle/Tacoma Intl

Mon 8/3

10:45 pm-12:10 pm

2 stops10h 25m

$558
Quickest round-trip

HartfordSeattle

BDL - SEA

BDLSEA

Hartford Bradley Intl

Sun 8/2

6:55 pm-11:58 pm

1 stop8h 03m

Seattle/Tacoma Intl

Thu 8/20

5:30 am-4:20 pm

1 stop7h 50m

$559

HartfordSeattle

BDL - SEA

BDLSEA

Hartford Bradley Intl

Fri 8/7

7:05 pm-11:54 pm

1 stop7h 49m

Seattle/Tacoma Intl

Fri 8/21

6:05 am-6:12 pm

1 stop9h 07m

$559

HartfordSeattle

BDL - SEA

BDLSEA

Hartford Bradley Intl

Mon 7/13

12:40 pm-7:45 pm

1 stop10h 05m

Seattle/Tacoma Intl

Thu 7/16

9:25 pm-8:05 am

1 stop7h 40m

$572

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 22 resultsSorted by cheapest first
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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 June.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice 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 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.
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?

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 $464). Flying from Hartford to Seattle in June is currently the most expensive (average of $656). 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 June 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.

Entertainment

7.5

Overall

7.9

Boarding

8.1

Food

7.0

Comfort

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.

Entertainment

7.5

Overall

7.9

Boarding

8.1

Food

7.0

Comfort

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.

Entertainment

7.5

Overall

7.9

Boarding

8.1

Food

7.0

Comfort

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.

Entertainment

7.5

Overall

7.9

Boarding

8.1

Food

7.0

Comfort

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.

Entertainment

7.5

Overall

7.9

Boarding

8.1

Food

7.0

Comfort

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.

Entertainment

7.5

Overall

7.9

Boarding

8.1

Food

7.0

Comfort

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.

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 8h 53m. Hartford and Seattle are separated by a distance of 2423 mi. This flight may include one or multiple stops.

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

    According to our current data, Sun Country Air ($191), Delta ($289), and American Airlines ($324) offers the cheapest pricing from Hartford to Seattle. You may be able to fly from Hartford to Seattle for 66% 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 $164 on Southwest. Other airlines that offer cheap prices include American Airlines from $181 and Delta from $187 one-way.

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

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

    Minneapolis travelers tend to visit Minneapolis Armory, Orpheum Theatre, and State Theatre more than anywhere else. 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 landing in Minneapolis looking to spend some time exploring during their layover can rent a car for about $56 per day.

  • Where are the least popular layover locations for 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, 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 June is currently the most expensive (average of $656). 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
SeaTac
Tacoma
Lacey
Ocean Shores
Leavenworth
Olympia
Edmonds
Snoqualmie
Tumwater
Tukwila
Puyallup
Kent
Lynnwood
Renton
Ellensburg
Fife
Lakewood
Issaquah
Marysville
Shoreline

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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 June 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
Sun Country AirCheapest$191Average$415FlexibilityNo cancel feeOn-time83%
DeltaCheapest$289Average$568FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$324Average$554FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$352Average$571FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$388Average$630FlexibilityNo cancel feeOn-time63%

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