How long is the flight from Hartford to Seattle?

Departing from Hartford to Seattle will take you 9h. 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 ($336) 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 $162 one-way.

In terms of precipitation, rainfall in Seattle ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

What are the most popular airlines that fly from Hartford to Seattle?

The most popular airlines flying from Hartford to Seattle are American Airlines, Delta and United Airlines. Something to consider prior to booking your flight.

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.

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.

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 $50 per day.

Most accurate provider : When it comes to deals on Hartford-Seattle flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Hartford-Seattle flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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.

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.

$131+ Flights from Hartford to Seattle

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1. Tell us where you want to go

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

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

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Cheapflights Tip: The best prices from Hartford Bradley Intl to Seattle/Tacoma Intl are usually found in January or September, booked 90 days in advance, depart on a Saturday or Tuesday and return on a Tuesday

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 December 12, 2025.

Wed 12/2412:10 pmBDL - SEA

2 stops13h 20mSouthwest

Wed 12/316:35 amSEA - BDL

1 stop7h 10mSouthwest

Deal found 12/10

$575

Thu 12/255:30 amBDL - SEA

1 stop8h 05mDelta

Wed 12/3111:45 amSEA - BDL

1 stop8h 29mDelta

Deal found 12/11

$658

Thu 12/258:55 amBDL - SEA

2 stops12h 45mSouthwest

Sat 12/275:30 amSEA - BDL

2 stops10h 55mSouthwest

Deal found 12/11

$677

Thu 12/186:00 amBDL - SEA

1 stop31h 11mMultiple Airlines

Tue 12/236:33 pmSEA - BDL

2 stops25h 26mMultiple Airlines

Deal found 12/11

$680

Tue 12/236:00 amBDL - SEA

1 stop8h 27mUnited Airlines

Sun 1/411:15 pmSEA - BDL

1 stop7h 40mUnited Airlines

Deal found 12/9

$685

Wed 12/246:00 amBDL - SEA

1 stop11h 02mAmerican Airlines

Wed 12/3110:13 pmSEA - BDL

1 stop7h 56mAmerican Airlines

Deal found 12/10

$687

Thu 12/252:50 pmBDL - SEA

1 stop9h 07mUnited Airlines

Thu 1/17:00 amSEA - BDL

1 stop11h 35mUnited Airlines

Deal found 12/10

$691

Thu 12/257:10 amBDL - SEA

1 stop9h 48mUnited Airlines

Wed 12/317:12 pmSEA - BDL

2 stops11h 43mUnited Airlines

Deal found 12/11

$694

Thu 12/186:00 amBDL - SEA

1 stop8h 27mUnited Airlines

Tue 1/278:10 amSEA - BDL

1 stop26h 50mUnited Airlines

Deal found 12/10

$709

Best flights from Hartford to Seattle
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 December 12, 2025.

Sun 1/117:15 amBDL - SEA

2 stops36h 14mMultiple Airlines

Sat 1/175:36 pmSEA - BDL

1 stop9h 24mMultiple Airlines

Deal found 12/11

$293

Sat 2/144:43 pmBDL - SEA

1 stop9h 00mUnited Airlines

Wed 2/1810:55 amSEA - BDL

1 stop7h 50mUnited Airlines

Deal found 12/11

$379

Sat 2/1412:00 pmBDL - SEA

2 stops12h 30mAmerican Airlines

Wed 2/187:15 amSEA - BDL

1 stop10h 24mAmerican Airlines

Deal found 12/11

$381

Wed 1/72:40 pmBDL - SEA

1 stop11h 10mDelta

Wed 1/1412:00 pmSEA - BDL

1 stop8h 50mDelta

Deal found 12/11

$411

Sat 1/1012:38 pmBDL - SEA

2 stops25h 43mMultiple Airlines

Sat 1/175:36 pmSEA - BDL

1 stop9h 24mMultiple Airlines

Deal found 12/11

$306

Mon 1/54:30 pmBDL - SEA

2 stops28h 21mMultiple Airlines

Sat 1/175:36 pmSEA - BDL

1 stop9h 24mMultiple Airlines

Deal found 12/9

$334

Sat 1/102:51 pmBDL - SEA

1 stop9h 06mUnited Airlines

Sat 1/1712:25 pmSEA - BDL

1 stop8h 19mUnited Airlines

Deal found 12/11

$413

Wed 1/710:07 amBDL - SEA

2 stops11h 19mUnited Airlines

Wed 1/1410:58 amSEA - BDL

1 stop7h 31mUnited Airlines

Deal found 12/10

$416

Sun 2/156:00 amBDL - SEA

1 stop29h 51mMultiple Airlines

Mon 3/212:00 pmSEA - BDL

1 stop29h 05mMultiple Airlines

Deal found 12/10

$387

Last-minute flights from Hartford to Seattle
Discover last-minute flight deals from Hartford to Seattle. Data last updated December 12, 2025 and is based on user searches.

Mon 1/54:30 pmBDL - SEA

2 stops28h 21mMultiple Airlines

Sat 1/175:36 pmSEA - BDL

1 stop9h 24mMultiple Airlines

Deal found 12/9

$334

Wed 1/73:02 pmBDL - SEA

1 stop8h 55mUnited Airlines

Wed 1/1410:58 amSEA - BDL

1 stop7h 31mUnited Airlines

Deal found 12/10

$411

Fri 1/97:00 amBDL - SEA

2 stops12h 29mMultiple Airlines

Mon 1/121:02 pmSEA - BDL

1 stop28h 03mMultiple Airlines

Deal found 12/10

$292

Sat 1/1012:38 pmBDL - SEA

2 stops25h 43mMultiple Airlines

Sat 1/175:36 pmSEA - BDL

1 stop9h 24mMultiple Airlines

Deal found 12/11

$306

Sat 1/102:51 pmBDL - SEA

1 stop9h 06mUnited Airlines

Sat 1/1712:25 pmSEA - BDL

1 stop8h 19mUnited Airlines

Deal found 12/11

$413

Sat 1/109:50 amBDL - SEA

2 stops13h 20mSouthwest

Sat 1/179:25 amSEA - BDL

2 stops10h 05mSouthwest

Deal found 12/11

$423

Sun 1/117:15 amBDL - SEA

2 stops36h 14mMultiple Airlines

Sat 1/175:36 pmSEA - BDL

1 stop9h 24mMultiple Airlines

Deal found 12/11

$293

Wed 1/148:25 amBDL - SEA

2 stops29h 44mMultiple Airlines

Mon 1/1912:59 pmSEA - BDL

1 stop28h 06mMultiple Airlines

Deal found 12/9

$352

Sat 1/2411:30 amBDL - SEA

2 stops12h 15mAmerican Airlines

Tue 1/278:04 amSEA - BDL

2 stops11h 39mAmerican Airlines

Deal found 12/11

$426

Sun 1/256:00 amBDL - SEA

1 stop32h 56mMultiple Airlines

Sun 2/112:34 pmSEA - BDL

2 stops50h 37mMultiple Airlines

Deal found 12/11

$350

One-way flights from Hartford to Seattle
Search for one-way flight options from Hartford to Seattle. Find affordable one-way fares based on user searches. Data last updated December 12, 2025.

Mon 1/57:45 amBDL - SEA

3 stops37h 06mMultiple Airlines

Deal found 12/11

$131

Wed 1/76:00 amBDL - SEA

2 stops30h 04mMultiple Airlines

Deal found 12/10

$135

Sun 1/117:15 amBDL - SEA

2 stops36h 14mMultiple Airlines

Deal found 12/11

$161

Wed 1/284:17 pmBDL - SEA

1 stop8h 50mAmerican Airlines

Deal found 12/10

$193

Mon 1/54:30 pmBDL - SEA

2 stops28h 21mFrontier

Deal found 12/11

$206

Wed 1/74:54 pmBDL - SEA

1 stop7h 55mDelta

Deal found 12/9

$219

Tue 1/66:03 amBDL - SEA

2 stops15h 20mDelta

Deal found 12/9

$245

Tue 1/61:22 pmBDL - SEA

2 stops24h 33mAmerican Airlines

Deal found 12/11

$260

Find flight deals from Hartford to Seattle

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$292 (Kiwi.com)
One-way from	$131 (Kiwi.com)
Popular in	December
Cheapest in	January
Average price	$613

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. 1% potential increase in price ($6 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

HartfordSeattle

BDL - SEA

BDLSEA

Hartford Bradley Intl

Sun 1/11

7:15 am-4:29 pm

2 stops36h 14m

Seattle/Tacoma Intl

Sat 1/17

5:36 pm-6:00 am

1 stop9h 24m

$293

HartfordSeattle

BDL - SEA

BDLSEA

Hartford Bradley Intl

Sat 1/10

12:38 pm-11:21 am

2 stops25h 43m

Seattle/Tacoma Intl

Sat 1/17

5:36 pm-6:00 am

1 stop9h 24m

$306

HartfordSeattle

BDL - SEA

BDLSEA

Hartford Bradley Intl

Mon 1/5

4:30 pm-5:51 pm

2 stops28h 21m

Seattle/Tacoma Intl

Sat 1/17

5:36 pm-6:00 am

1 stop9h 24m

$334

HartfordSeattle

BDL - SEA

BDLSEA

Hartford Bradley Intl

Sat 2/14

4:43 pm-10:43 pm

1 stop9h 00m

Seattle/Tacoma Intl

Wed 2/18

10:55 am-9:45 pm

1 stop7h 50m

$379

HartfordSeattle

BDL - SEA

BDLSEA

Hartford Bradley Intl

Sat 2/14

12:00 pm-9:30 pm

2 stops12h 30m

Seattle/Tacoma Intl

Wed 2/18

7:15 am-8:39 pm

1 stop10h 24m

$381

HartfordSeattle

BDL - SEA

BDLSEA

Hartford Bradley Intl

Sun 2/15

6:00 am-8:51 am

1 stop29h 51m

Seattle/Tacoma Intl

Mon 3/2

12:00 pm-8:05 pm

1 stop29h 05m

$387

HartfordSeattle

BDL - SEA

BDLSEA

Hartford Bradley Intl

Wed 1/7

2:40 pm-10:50 pm

1 stop11h 10m

Seattle/Tacoma Intl

Wed 1/14

12:00 pm-11:50 pm

1 stop8h 50m

$411

HartfordSeattle

BDL - SEA

BDLSEA

Hartford Bradley Intl

Sat 1/10

2:51 pm-8:57 pm

1 stop9h 06m

Seattle/Tacoma Intl

Sat 1/17

12:25 pm-11:44 pm

1 stop8h 19m

$413

HartfordSeattle

BDL - SEA

BDLSEA

Hartford Bradley Intl

Wed 1/7

10:07 am-6:26 pm

2 stops11h 19m

Seattle/Tacoma Intl

Wed 1/14

10:58 am-9:29 pm

1 stop7h 31m

$416

HartfordSeattle

BDL - SEA

BDLSEA

Hartford Bradley Intl

Mon 1/5

7:45 am-5:51 pm

3 stops37h 06m

$131

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Showing 1-10 of 17 results

Compare providers for flights from Hartford to Seattle

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Hartford to Seattle in December.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust Score*3 stars
CheapTicketsDeal	Price Accuracy3 stars	Trust Score*3 stars
Priceline	Price Accuracy1 star	Trust 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Hartford-Seattle flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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 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 $340). 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.

What is the cheapest time of day to fly from BDL to SEA?

When flying from Hartford to Seattle, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 11% versus a flight at noon.

Reviews of airlines servicing Seattle

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

7.9

Good

4,252 reviews

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

7.9

Good

4,252 reviews

Southwest

7.9

Good

4,252 reviews

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

8,008 reviews

Southwest

7.9

Good

4,252 reviews

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

9,095 reviews

Southwest

7.9

Good

4,252 reviews

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

11,048 reviews

Southwest

7.9

Good

4,252 reviews

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

333 reviews

Southwest

7.9

Good

4,252 reviews

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

How long is the flight from Hartford to Seattle?
Departing from Hartford to Seattle will take you 9h. 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 ($336) 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 $162 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 $50 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 $340). 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.

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Other flights to Seattle

Top 6 airlines flying from Hartford to Seattle

Airline	Cheapest	Average	Flexibility	On-time
Sun Country Air	Cheapest$222	Average$425	FlexibilityNo cancel fee	On-time83%
Delta	Cheapest$324	Average$536	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$336	Average$539	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$346	Average$566	FlexibilityNo cancel fee	On-time69%
Southwest	Cheapest$388	Average$600	FlexibilityNo cancel fee	On-time63%
Alaska Airlines	Cheapest$580	Average$663	FlexibilityNo cancel fee	On-time75%

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$131+ 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 1/5. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Hartford to Seattle with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Hartford Bradley Intl to Seattle/Tacoma Intl are usually found in January or September, booked 90 days in advance, depart on a Saturday or Tuesday and return on a Tuesday

Cheap flight deals from Hartford to Seattle

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 December 12, 2025.

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 December 12, 2025.

Find flight deals from Hartford to Seattle

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

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

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 December.

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.

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?

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

What is the cheapest time of day to fly from BDL to SEA?

Reviews of airlines servicing Seattle

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.

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?

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

What are the cheapest airlines to fly from Hartford to Seattle 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 Chicago?

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

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?

How can I find direct flights from Hartford to Seattle?

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

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

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Alternative routes for Hartford to Seattle

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Top 6 airlines flying from Hartford to Seattle

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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 December 12, 2025.