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Cheap flights from Hartford to Seattle from $178

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Hartford to Seattle departing on 12/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Hartford to Seattle

Cheap round-trip flights

Enter your travel dates to find the best prices.
Southwest Logo
4:00 pm - 11:35 pm
BDL
-
SEA
10h 35m
2 stops
Southwest Logo
9:25 pm - 8:10 am
SEA
-
BDL
7h 45m
1 stop
$470Southwest
Tue, Jul 14 - Tue, Jul 21
Southwest Logo
1:40 pm - 8:45 pm
BDL
-
SEA
10h 05m
2 stops
Southwest Logo
10:30 pm - 9:40 am
SEA
-
BDL
8h 10m
1 stop
$471Southwest
Fri, Aug 28 - Sun, Sep 6
Southwest Logo
1:40 pm - 8:45 pm
BDL
-
SEA
10h 05m
2 stops
Southwest Logo
7:40 am - 9:05 pm
SEA
-
BDL
10h 25m
2 stops
$472Southwest
Fri, Aug 28 - Sat, Sep 5
Southwest Logo
3:40 pm - 10:55 pm
BDL
-
SEA
10h 15m
2 stops
Southwest Logo
11:00 pm - 2:20 pm
SEA
-
BDL
12h 20m
1 stop
$473Southwest
Thu, Aug 13 - Mon, Aug 17
United Airlines Logo
4:50 pm - 10:43 pm
BDL
-
SEA
8h 53m
1 stop
United Airlines Logo
11:04 pm - 9:37 am
SEA
-
BDL
7h 33m
1 stop
$475United Airlines
Tue, Sep 1 - Wed, Sep 2
Southwest Logo
12:40 pm - 12:25 am
BDL
-
SEA
14h 45m
1 stop
Southwest Logo
10:45 pm - 12:00 pm
SEA
-
BDL
10h 15m
2 stops
$476Southwest
Wed, Jul 15 - Wed, Jul 22
American Airlines Logo
5:41 pm - 11:59 pm
BDL
-
SEA
9h 18m
1 stop
American Airlines Logo
6:18 am - 6:48 pm
SEA
-
BDL
9h 30m
2 stops
$478American Airlines
Fri, Aug 21 - Tue, Sep 15
United Airlines Logo
11:44 am - 11:26 pm
BDL
-
SEA
14h 42m
2 stops
United Airlines Logo
11:00 pm - 10:38 am
SEA
-
BDL
8h 38m
1 stop
$480United Airlines
Wed, Aug 12 - Wed, Aug 19
Multiple Airlines Logo
7:00 am - 10:39 am
BDL
-
SEA
30h 39m
2 stops
Multiple Airlines Logo
8:13 pm - 6:15 am
SEA
-
BDL
31h 02m
1 stop
$481Multiple Airlines
Sun, Aug 2 - Wed, Aug 19
Southwest Logo
3:40 pm - 10:55 pm
BDL
-
SEA
10h 15m
2 stops
Southwest Logo
5:10 am - 12:10 am
SEA
-
BDL
16h 00m
2 stops
$482Southwest
Fri, Aug 28 - Sun, Sep 6

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Sun Country Air flights from Hartford to Seattle

Our best Sun Country Air deals on Hartford to Seattle flight tickets
Sun Country Air
Jul 16
BDL1:41 pmHartford Bradley Intl
10h 21m
1 stop
SEA9:02 pmSeattle/Tacoma Intl
Jul 22
SEA8:53 amSeattle/Tacoma Intl
22h 36m
1 stop
BDL10:29 amHartford Bradley Intl
$515
Sun Country Air
Jul 16
BDL1:41 pmHartford Bradley Intl
10h 21m
1 stop
SEA9:02 pmSeattle/Tacoma Intl
Jul 23
SEA11:59 pmSeattle/Tacoma Intl
7h 05m
1 stop
BDL10:04 amHartford Bradley Intl
$525
Sun Country Air
Jun 26
BDL11:18 amHartford Bradley Intl
14h 28m
1 stop
SEA10:46 pmSeattle/Tacoma Intl
Jul 4
SEA6:21 pmSeattle/Tacoma Intl
13h 26m
1 stop
BDL10:47 amHartford Bradley Intl
$533

United Airlines flights from Hartford to Seattle

Our best United Airlines deals on Hartford to Seattle flight tickets
United Airlines
Sep 1
BDL4:50 pmHartford Bradley Intl
8h 53m
1 stop
SEA10:43 pmSeattle/Tacoma Intl
Sep 2
SEA11:04 pmSeattle/Tacoma Intl
7h 33m
1 stop
BDL9:37 amHartford Bradley Intl
$475
United Airlines
Aug 12
BDL11:44 amHartford Bradley Intl
14h 42m
2 stops
SEA11:26 pmSeattle/Tacoma Intl
Aug 19
SEA11:00 pmSeattle/Tacoma Intl
8h 38m
1 stop
BDL10:38 amHartford Bradley Intl
$480
United Airlines
Sep 5
BDL9:40 amHartford Bradley Intl
11h 02m
2 stops
SEA5:42 pmSeattle/Tacoma Intl
Sep 12
SEA5:20 pmSeattle/Tacoma Intl
14h 18m
2 stops
BDL10:38 amHartford Bradley Intl
$485

momondo 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, momondo users made 832,500 searches. Data last updated June 17, 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

Tue 7/14

4:00 pm-11:35 pm

2 stops10h 35m

Seattle/Tacoma Intl

Tue 7/21

9:25 pm-8:10 am

1 stop7h 45m

$470

HartfordSeattle

BDL - SEA

BDLSEA

Hartford Bradley Intl

Fri 8/28

1:40 pm-8:45 pm

2 stops10h 05m

Seattle/Tacoma Intl

Sun 9/6

10:30 pm-9:40 am

1 stop8h 10m

$471

HartfordSeattle

BDL - SEA

BDLSEA

Hartford Bradley Intl

Fri 8/28

1:40 pm-8:45 pm

2 stops10h 05m

Seattle/Tacoma Intl

Sat 9/5

7:40 am-9:05 pm

2 stops10h 25m

$472

HartfordSeattle

BDL - SEA

BDLSEA

Hartford Bradley Intl

Thu 8/13

3:40 pm-10:55 pm

2 stops10h 15m

Seattle/Tacoma Intl

Mon 8/17

11:00 pm-2:20 pm

1 stop12h 20m

$473
Quickest round-trip

HartfordSeattle

BDL - SEA

BDLSEA

Hartford Bradley Intl

Tue 9/1

4:50 pm-10:43 pm

1 stop8h 53m

Seattle/Tacoma Intl

Wed 9/2

11:04 pm-9:37 am

1 stop7h 33m

$475

HartfordSeattle

BDL - SEA

BDLSEA

Hartford Bradley Intl

Wed 7/15

12:40 pm-12:25 am

1 stop14h 45m

Seattle/Tacoma Intl

Wed 7/22

10:45 pm-12:00 pm

2 stops10h 15m

$476

HartfordSeattle

BDL - SEA

BDLSEA

Hartford Bradley Intl

Fri 8/21

5:41 pm-11:59 pm

1 stop9h 18m

Seattle/Tacoma Intl

Tue 9/15

6:18 am-6:48 pm

2 stops9h 30m

$478

HartfordSeattle

BDL - SEA

BDLSEA

Hartford Bradley Intl

Wed 8/12

11:44 am-11:26 pm

2 stops14h 42m

Seattle/Tacoma Intl

Wed 8/19

11:00 pm-10:38 am

1 stop8h 38m

$480

HartfordSeattle

BDL - SEA

BDLSEA

Hartford Bradley Intl

Sun 8/2

7:00 am-10:39 am

2 stops30h 39m

Seattle/Tacoma Intl

Wed 8/19

8:13 pm-6:15 am

1 stop31h 02m

$481

HartfordSeattle

BDL - SEA

BDLSEA

Hartford Bradley Intl

Fri 8/28

3:40 pm-10:55 pm

2 stops10h 15m

Seattle/Tacoma Intl

Sun 9/6

5:10 am-12:10 am

2 stops16h 00m

$482

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Seattle from

How to get the cheapest flight ticket from Hartford to Seattle

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Hartford and Seattle?

What is the cheapest month to fly to Seattle?

In general, October is the cheapest month to fly from Hartford to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $464. If you don’t want to visit Seattle in October, then you should wait until January to fly from Hartford, when ticket prices are also cheap, with an average price of $481.

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

You are more likely to see cheaper flights to Seattle from Hartford when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $570 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Hartford for as low as $496 on momondo.

Can stopping save me money on Hartford to Seattle flights?

You could potentially save up to 30% on your flight if you consider stops on a Hartford to Seattle flight.

How have Hartford to Seattle flight prices changed over time?

As of June 2026, prices for Hartford to Seattle flights are approximately 4% cheaper when compared to flights at the same time last year.

When to book flights from Hartford to Seattle

Are you open to changing your travel dates? Check out the ideal times to fly from Hartford to Seattle according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Hartford to Seattle (BDL to SEA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Hartford to Seattle

Fastest flight time

7h 48m

Direct flights

None
The fastest flight from Hartford to Seattle takes 7h 48m
There are no direct flights from Hartford to Seattle. There are no popular flight routes from Hartford to Seattle.
Search flight deals

Frequently asked questions about flying from Hartford to Seattle

  • How far is Hartford Bradley Intl to Seattle/Tacoma Intl by plane?

    There are 2428.3 mi between Hartford Bradley Intl and Seattle/Tacoma Intl. Typically, this will take 7h 48m by plane in normal conditions.

  • When did momondo last update prices for flights from Hartford Bradley Intl Airport to Seattle/Tacoma Intl Airport?

    Prices for flights from Hartford Bradley Intl Airport to Seattle/Tacoma Intl Airport were last updated today.

  • How many operators does momondo search for flights from Hartford Bradley Intl Airport to Seattle/Tacoma Intl Airport?

  • How old do you have to be to fly from Hartford Bradley Intl Airport to Seattle/Tacoma Intl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Hartford Bradley Intl Airport to Seattle/Tacoma Intl Airport.

  • What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

    The necessary travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Hartford to Seattle?

Best airlines flying from Hartford to Seattle

Compare and see reviews for airlines that fly from Hartford to Seattle with momondo
Airline
Rating
Free Cancellation
Price
Sun Country AirPriceFrom $142Free CancellationRating
6.8
331 reviews
Search Sun Country Air flights
DeltaPriceFrom $289Free CancellationRating
7.8
8,406 reviews
Search Delta flights
American AirlinesPriceFrom $324Free CancellationRating
7.1
11,670 reviews
Search American Airlines flights
United AirlinesPriceFrom $342Free CancellationRating
7.4
9,845 reviews
Search United Airlines flights
SouthwestPriceFrom $388Free CancellationRating
7.9
4,235 reviews
Search Southwest flights

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
Leavenworth
SeaTac
Ocean Shores
Renton
Olympia
Lynnwood
Redmond
Kent
Lakewood
Puyallup
Tukwila
Federal Way
Fife
Cle Elum
Marysville
Centralia
Shoreline
Kirkland
Westport

Why use momondo?

Why should I use momondo to find a flight deal from Hartford to Seattle?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Hartford to Seattle for you.

Can I find flights from Hartford to Seattle with flexible booking policies on momondo?

Yes. All flights to Seattle from Hartford on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Hartford to Seattle?

momondo provides multiple filters to help you find the best flight to Seattle from Hartford. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Hartford to Seattle right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Hartford to Seattle flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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