What is the cheapest airline that flies from Connecticut to Seattle/Tacoma Intl?

JetBlue, United Airlines, and Southwest are the most popular carriers operating from Connecticut to Seattle/Tacoma Intl

How long does it take to fly to Seattle?

Flight times vary depending on what airport in Connecticut you fly out of and what airport in Seattle you fly into. For example, flying from Hartford to Seattle takes 7h 51m on average. On the other hand, flying from New Haven to Seattle takes 27h 22m on average. Keep in mind that it’s always quicker to opt for a non-stop flight, so be sure to check momondo if there are any available for your route.

What airlines fly to Seattle?

American Airlines, Delta and United Airlines are the top three most popular airlines that fly to Seattle from Connecticut according to our data. American Airlines is the first choice among our users, with 37% of people opting to fly with this airline when traveling to Seattle. Keep in mind that there are 6 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.

How many flights depart from Connecticut to Seattle on average per week?

The number of flights available between Connecticut and Seattle is 224 per week as of August 2026. The most frequent departure day is Fri, with 23% of weekly flights leaving on this day.

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

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

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

The number of operators available for flights from Connecticut to Seattle/Tacoma Intl Airport is 9 as of August 2026.

How old do you have to be to fly from Connecticut to Seattle/Tacoma Intl Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Connecticut 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.

$176 Cheap Flights from Connecticut to Seattle in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Connecticut to Seattle

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:41 pm - 10:34 pmEWR Newark-SEA Seattle/Tacoma Intl

7h 53m1 stop Portland

9:40 pm - 6:04 amSEA Seattle/Tacoma Intl-EWR Newark

5h 24mnonstop

$323Alaska Airlines

Tue, Nov 10 - Wed, Nov 11

6:55 am - 12:50 pmEWR Newark-SEA Seattle/Tacoma Intl

8h 55m1 stop Portland

10:04 am - 11:29 pmSEA Seattle/Tacoma Intl-EWR Newark

10h 25m1 stop Portland

$331Alaska Airlines

Thu, Sep 10 - Wed, Sep 16

7:59 am - 11:03 amEWR Newark-SEA Seattle/Tacoma Intl

6h 04mnonstop

10:48 pm - 7:00 amSEA Seattle/Tacoma Intl-EWR Newark

5h 12mnonstop

$332United Airlines

Tue, Sep 1 - Wed, Sep 30

6:17 pm - 9:39 pmEWR Newark-SEA Seattle/Tacoma Intl

6h 22mnonstop

8:30 am - 8:00 pmSEA Seattle/Tacoma Intl-EWR Newark

8h 30m1 stop Denver Intl

$333United Airlines

Sun, Nov 1 - Tue, Nov 3

7:15 am - 2:50 pmEWR Newark-SEA Seattle/Tacoma Intl

10h 35m1 stop Salt Lake City

9:43 am - 7:30 pmSEA Seattle/Tacoma Intl-EWR Newark

6h 47m1 stop Detroit Metropolitan Wayne County

$337Delta

Sat, Sep 26 - Tue, Sep 29

3:20 pm - 9:49 pmEWR Newark-SEA Seattle/Tacoma Intl

9h 29m1 stop Atlanta Hartsfield-Jackson

11:10 pm - 8:45 amSEA Seattle/Tacoma Intl-EWR Newark

6h 35m1 stop Detroit Metropolitan Wayne County

$337Delta

Sat, Oct 3 - Tue, Oct 6

5:29 pm - 8:44 pmJFK New York John F Kennedy Intl-SEA Seattle/Tacoma Intl

6h 15mnonstop

9:40 pm - 6:04 amSEA Seattle/Tacoma Intl-JFK New York John F Kennedy Intl

5h 24mnonstop

$339JetBlue

Tue, Sep 15 - Tue, Sep 22

5:29 pm - 8:44 pmJFK New York John F Kennedy Intl-SEA Seattle/Tacoma Intl

6h 15mnonstop

10:15 pm - 6:37 amSEA Seattle/Tacoma Intl-JFK New York John F Kennedy Intl

5h 22mnonstop

$342JetBlue

Wed, Sep 30 - Sat, Oct 10

11:52 am - 4:45 pmEWR Newark-SEA Seattle/Tacoma Intl

7h 53m1 stop Minneapolis St Paul

10:04 am - 11:29 pmSEA Seattle/Tacoma Intl-EWR Newark

10h 25m1 stop Portland

$342Multiple Airlines

Thu, Sep 10 - Wed, Sep 16

4:46 pm - 10:39 pmJFK New York John F Kennedy Intl-SEA Seattle/Tacoma Intl

8h 53m1 stop Portland

9:40 pm - 6:04 amSEA Seattle/Tacoma Intl-JFK New York John F Kennedy Intl

5h 24mnonstop

$347Multiple Airlines

Sat, Sep 26 - Tue, Sep 29

Cheap last minute flights

Enter your travel dates to find the best prices.

4:31 pm - 7:48 pmEWR Newark-SEA Seattle/Tacoma Intl

6h 17mnonstop

10:40 pm - 6:59 amSEA Seattle/Tacoma Intl-EWR Newark

5h 19mnonstop

$436Alaska Airlines

Sun, Aug 9 - Mon, Aug 10

8:23 pm - 11:55 pmJFK New York John F Kennedy Intl-SEA Seattle/Tacoma Intl

6h 32mnonstop

2:02 pm - 10:29 pmSEA Seattle/Tacoma Intl-JFK New York John F Kennedy Intl

5h 27mnonstop

$457Alaska Airlines

Sun, Aug 9 - Mon, Aug 10

2:59 pm - 8:52 pmJFK New York John F Kennedy Intl-SEA Seattle/Tacoma Intl

8h 53m1 stop Chicago O'Hare Intl

5:00 am - 6:30 pmSEA Seattle/Tacoma Intl-JFK New York John F Kennedy Intl

10h 30m1 stop Dallas/Fort Worth

$484American Airlines

Wed, Aug 12 - Fri, Aug 28

2:59 pm - 8:52 pmJFK New York John F Kennedy Intl-SEA Seattle/Tacoma Intl

8h 53m1 stop Chicago O'Hare Intl

7:40 am - 10:14 pmSEA Seattle/Tacoma Intl-JFK New York John F Kennedy Intl

11h 34m1 stop Dallas/Fort Worth

$485American Airlines

Mon, Aug 10 - Tue, Aug 11

8:33 pm - 11:44 pmEWR Newark-SEA Seattle/Tacoma Intl

6h 11mnonstop

2:34 pm - 12:59 amSEA Seattle/Tacoma Intl-EWR Newark

7h 25m1 stop Denver Intl

$516United Airlines

Tue, Aug 11 - Wed, Aug 19

6:15 am - 1:00 pmEWR Newark-SEA Seattle/Tacoma Intl

9h 45m1 stop Minneapolis St Paul

5:30 am - 3:59 pmSEA Seattle/Tacoma Intl-EWR Newark

7h 29m1 stop Detroit Metropolitan Wayne County

$518Delta

Thu, Aug 13 - Tue, Aug 25

10:19 am - 4:07 pmEWR Newark-SEA Seattle/Tacoma Intl

8h 48m1 stop Chicago O'Hare Intl

2:34 pm - 12:59 amSEA Seattle/Tacoma Intl-EWR Newark

7h 25m1 stop Denver Intl

$527United Airlines

Tue, Aug 11 - Wed, Aug 19

10:30 am - 4:00 pmEWR Newark-SEA Seattle/Tacoma Intl

8h 30m1 stop Atlanta Hartsfield-Jackson

6:05 am - 5:50 pmSEA Seattle/Tacoma Intl-EWR Newark

8h 45m1 stop Minneapolis St Paul

$528Delta

Tue, Aug 11 - Wed, Aug 19

3:05 pm - 11:25 pmBDL Hartford Bradley Intl-SEA Seattle/Tacoma Intl

11h 20m2 stops Baltimore/Washington Las Vegas Harry Reid Intl

11:05 pm - 12:00 pmSEA Seattle/Tacoma Intl-BDL Hartford Bradley Intl

9h 55m1 stop Chicago Midway

$554Southwest

Wed, Aug 12 - Wed, Aug 19

4:10 pm - 11:35 pmLGA New York LaGuardia-SEA Seattle/Tacoma Intl

10h 25m1 stop Chicago Midway

8:55 am - 9:25 pmSEA Seattle/Tacoma Intl-LGA New York LaGuardia

9h 30m1 stop Houston Hobby

$562Southwest

Wed, Aug 12 - Tue, Aug 18

Cheap direct flights

Enter your travel dates to find the best prices.

7:59 am - 11:03 amEWR Newark-SEA Seattle/Tacoma Intl

6h 04mnonstop

10:48 pm - 7:00 amSEA Seattle/Tacoma Intl-EWR Newark

5h 12mnonstop

$332United Airlines

Tue, Sep 1 - Wed, Sep 30

9:03 am - 12:08 pmEWR Newark-SEA Seattle/Tacoma Intl

6h 05mnonstop

10:30 am - 6:56 pmSEA Seattle/Tacoma Intl-EWR Newark

5h 26mnonstop

$336Alaska Airlines

Fri, Oct 30 - Sat, Nov 7

7:17 am - 10:30 amEWR Newark-SEA Seattle/Tacoma Intl

6h 13mnonstop

9:40 pm - 6:04 amSEA Seattle/Tacoma Intl-EWR Newark

5h 24mnonstop

$336Alaska Airlines

Mon, Nov 9 - Tue, Nov 17

3:40 pm - 6:41 pmEWR Newark-SEA Seattle/Tacoma Intl

6h 01mnonstop

7:00 am - 3:22 pmSEA Seattle/Tacoma Intl-EWR Newark

5h 22mnonstop

$337United Airlines

Fri, Sep 18 - Sun, Sep 27

5:29 pm - 8:44 pmJFK New York John F Kennedy Intl-SEA Seattle/Tacoma Intl

6h 15mnonstop

9:40 pm - 6:04 amSEA Seattle/Tacoma Intl-JFK New York John F Kennedy Intl

5h 24mnonstop

$339JetBlue

Tue, Sep 15 - Tue, Sep 22

5:29 pm - 8:44 pmJFK New York John F Kennedy Intl-SEA Seattle/Tacoma Intl

6h 15mnonstop

10:15 pm - 6:37 amSEA Seattle/Tacoma Intl-JFK New York John F Kennedy Intl

5h 22mnonstop

$342JetBlue

Wed, Sep 30 - Sat, Oct 10

7:25 am - 10:34 amJFK New York John F Kennedy Intl-SEA Seattle/Tacoma Intl

6h 09mnonstop

9:40 pm - 6:03 amSEA Seattle/Tacoma Intl-JFK New York John F Kennedy Intl

5h 23mnonstop

$357Multiple Airlines

Sat, Sep 26 - Wed, Sep 30

5:29 pm - 8:44 pmJFK New York John F Kennedy Intl-SEA Seattle/Tacoma Intl

6h 15mnonstop

1:30 pm - 10:06 pmSEA Seattle/Tacoma Intl-JFK New York John F Kennedy Intl

5h 36mnonstop

$377Multiple Airlines

Tue, Sep 15 - Tue, Sep 22

6:40 pm - 10:12 pmJFK New York John F Kennedy Intl-SEA Seattle/Tacoma Intl

6h 32mnonstop

7:20 am - 3:56 pmSEA Seattle/Tacoma Intl-JFK New York John F Kennedy Intl

5h 36mnonstop

$417Delta

Sat, Jan 16 - Sat, Jan 23

7:10 am - 10:33 amJFK New York John F Kennedy Intl-SEA Seattle/Tacoma Intl

6h 23mnonstop

10:50 pm - 7:00 amSEA Seattle/Tacoma Intl-JFK New York John F Kennedy Intl

5h 10mnonstop

$417Delta

Tue, Nov 10 - Sat, Nov 14

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Southwest flights from Connecticut to Seattle

Our best Southwest deals on Connecticut to Seattle flight tickets

Southwest

Sep 19

LGA1:10 pmNew York LaGuardia

8h 10m

1 stop

SEA6:20 pmSeattle/Tacoma Intl

Sep 26

SEA9:40 amSeattle/Tacoma Intl

7h 00m

1 stop

LGA7:40 pmNew York LaGuardia

$357

Southwest

Sep 19

LGA2:00 pmNew York LaGuardia

9h 55m

1 stop

SEA8:55 pmSeattle/Tacoma Intl

Sep 26

SEA5:30 amSeattle/Tacoma Intl

11h 40m

2 stops

LGA8:10 pmNew York LaGuardia

$362

Southwest

Dec 12

BDL7:40 amHartford Bradley Intl

11h 25m

2 stops

SEA4:05 pmSeattle/Tacoma Intl

Dec 16

SEA6:30 amSeattle/Tacoma Intl

6h 55m

1 stop

BDL4:25 pmHartford Bradley Intl

$380

JetBlue flights from Connecticut to Seattle

Our best JetBlue deals on Connecticut to Seattle flight tickets

JetBlue

Sep 15

JFK5:29 pmNew York John F Kennedy Intl

6h 15m

SEA8:44 pmSeattle/Tacoma Intl

Sep 22

SEA9:40 pmSeattle/Tacoma Intl

5h 24m

JFK6:04 amNew York John F Kennedy Intl

$339

JetBlue

Sep 29

JFK5:29 pmNew York John F Kennedy Intl

6h 15m

SEA8:44 pmSeattle/Tacoma Intl

Oct 14

SEA10:15 pmSeattle/Tacoma Intl

5h 22m

JFK6:37 amNew York John F Kennedy Intl

$342

JetBlue

Sep 26

JFK3:30 pmNew York John F Kennedy Intl

10h 07m

1 stop

SEA10:37 pmSeattle/Tacoma Intl

Oct 3

SEA9:40 pmSeattle/Tacoma Intl

5h 24m

JFK6:04 amNew York John F Kennedy Intl

$344

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

NewarkSeattle

EWR Newark - SEA Seattle/Tacoma Intl

EWRSEA

Newark

Tue 11/10

5:41 pm-10:34 pm

1 stop7h 53m

Seattle/Tacoma Intl

Wed 11/11

9:40 pm-6:04 am

Nonstop5h 24m

$323

NewarkSeattle

EWR Newark - SEA Seattle/Tacoma Intl

EWRSEA

Newark

Thu 9/10

6:55 am-12:50 pm

1 stop8h 55m

Seattle/Tacoma Intl

Wed 9/16

10:04 am-11:29 pm

1 stop10h 25m

$331

Quickest round-trip

NewarkSeattle

EWR Newark - SEA Seattle/Tacoma Intl

EWRSEA

Newark

Tue 9/1

7:59 am-11:03 am

Nonstop6h 04m

Seattle/Tacoma Intl

Wed 9/30

10:48 pm-7:00 am

Nonstop5h 12m

$332

NewarkSeattle

EWR Newark - SEA Seattle/Tacoma Intl

EWRSEA

Newark

Sun 11/1

6:17 pm-9:39 pm

Nonstop6h 22m

Seattle/Tacoma Intl

Tue 11/3

8:30 am-8:00 pm

1 stop8h 30m

$333

NewarkSeattle

EWR Newark - SEA Seattle/Tacoma Intl

EWRSEA

Newark

Sat 9/26

7:15 am-2:50 pm

1 stop10h 35m

Seattle/Tacoma Intl

Tue 9/29

9:43 am-7:30 pm

1 stop6h 47m

$337

NewarkSeattle

EWR Newark - SEA Seattle/Tacoma Intl

EWRSEA

Newark

Sat 10/3

3:20 pm-9:49 pm

1 stop9h 29m

Seattle/Tacoma Intl

Tue 10/6

11:10 pm-8:45 am

1 stop6h 35m

$337

New YorkSeattle

JFK New York John F Kennedy Intl - SEA Seattle/Tacoma Intl

JFKSEA

New York John F Kennedy Intl

Tue 9/15

5:29 pm-8:44 pm

Nonstop6h 15m

Seattle/Tacoma Intl

Tue 9/22

9:40 pm-6:04 am

Nonstop5h 24m

$339

New YorkSeattle

JFK New York John F Kennedy Intl - SEA Seattle/Tacoma Intl

JFKSEA

New York John F Kennedy Intl

Wed 9/30

5:29 pm-8:44 pm

Nonstop6h 15m

Seattle/Tacoma Intl

Sat 10/10

10:15 pm-6:37 am

Nonstop5h 22m

$342

NewarkSeattle

EWR Newark - SEA Seattle/Tacoma Intl

EWRSEA

Newark

Thu 9/10

11:52 am-4:45 pm

1 stop7h 53m

Seattle/Tacoma Intl

Wed 9/16

10:04 am-11:29 pm

1 stop10h 25m

$342

New YorkSeattle

JFK New York John F Kennedy Intl - SEA Seattle/Tacoma Intl

JFKSEA

New York John F Kennedy Intl

Sat 9/26

4:46 pm-10:39 pm

1 stop8h 53m

Seattle/Tacoma Intl

Tue 9/29

9:40 pm-6:04 am

Nonstop5h 24m

$347

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Connecticut 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

Prices

Airlines

Other information

What is the cheapest month to fly to Seattle?

In general, October is the cheapest month to fly from Connecticut 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 Connecticut, when ticket prices are also cheap, with an average price of $481.

Can stopping save me money on Connecticut to Seattle flights?

You could potentially save up to 13% on your flight if you consider stops on a Connecticut to Seattle flight.

Cheap Connecticut to Seattle flight deals and tips

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

Fastest flight time	5h 50m
Direct flights	Every day
Airports in Seattle	1 airport

The fastest flight from Connecticut to Seattle takes 5h 50m

Direct flights go from Connecticut to Seattle every day.

There is 1 airport in Seattle. From Connecticut there are direct flights to Seattle/Tacoma Intl (SEA).

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Frequently asked questions about flying from Connecticut to Seattle

When did momondo last update prices for flights from Connecticut to Seattle/Tacoma Intl Airport?
Prices for flights from Connecticut to Seattle/Tacoma Intl Airport were last updated today.
How many operators does momondo search for flights from Connecticut to Seattle/Tacoma Intl Airport?
The number of operators available for flights from Connecticut to Seattle/Tacoma Intl Airport is 9 as of August 2026.
How old do you have to be to fly from Connecticut to Seattle/Tacoma Intl Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Connecticut 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.

Best airlines flying from Connecticut to Seattle

Compare and see reviews for airlines that fly from Connecticut to Seattle with momondo

Airline	Rating	Free Cancellation	Price
Sun Country Air	PriceFrom $191	Free Cancellation	Rating 6.7 318 reviews	Search Sun Country Air flights
Alaska Airlines	PriceFrom $257	Free Cancellation	Rating 7.9 12,777 reviews	Search Alaska Airlines flights
Delta	PriceFrom $289	Free Cancellation	Rating 7.8 8,502 reviews	Search Delta flights
American Airlines	PriceFrom $316	Free Cancellation	Rating 7.1 11,877 reviews	Search American Airlines flights
United Airlines	PriceFrom $352	Free Cancellation	Rating 7.4 10,084 reviews	Search United Airlines flights
Southwest	PriceFrom $436	Free Cancellation	Rating 8.0 4,217 reviews	Search Southwest flights

Tacoma

Leavenworth

SeaTac

Ocean Shores

Renton

Olympia

Kent

Lynnwood

Redmond

Lakewood

Puyallup

Fife

Federal Way

Tukwila

Cle Elum

Marysville

Kirkland

Centralia

Shoreline

Lacey

Why use momondo?

Why should I use momondo to find a flight deal from Connecticut 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 Connecticut to Seattle for you.

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

Yes. momondo allows you to filter the results for Connecticut to Seattle flights to just show those with flexible booking policies.

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

Once all potential Connecticut to Seattle flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Of course. momondo tracks the price of Connecticut 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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Airports servicing Washington

Walla Walla Airport

Bellingham Airport

Wenatchee Pangborn Field Airport

Eastsound Orcas Island Airport

Friday Harbor SPB Airport

Spokane Airport

Kenmore Air Harbor Airport

Pasco Tri Cities Airport

Pullman Moscow Regional Airport

Rosario SPB Airport

Yakima Air Terminal Airport

Cheap flights from Connecticut to Seattle from $176

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Connecticut to Seattle departing on 9/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Southwest flights from Connecticut to Seattle

Our best Southwest deals on Connecticut to Seattle flight tickets

JetBlue flights from Connecticut to Seattle

Our best JetBlue deals on Connecticut to Seattle flight tickets

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How to get the cheapest flight ticket from Connecticut to Seattle

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What is the cheapest airline that flies from Connecticut to Seattle/Tacoma Intl?

What airlines fly to Seattle?

How many flights depart from Connecticut to Seattle on average per week?

How long does it take to fly to Seattle?

Cheap Connecticut to Seattle flight deals and tips

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Airports in Seattle

Frequently asked questions about flying from Connecticut to Seattle

Best airlines flying from Connecticut to Seattle

Compare and see reviews for airlines that fly from Connecticut to Seattle with momondo

Traveling to a place near Seattle?

Why use momondo?

An easier way to manage your Seattle trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Washington

Fly your favorite airline to Seattle

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Seattle

List of cabin classes available on flights landing in Seattle. Availability may vary depending on flight origin and airline.

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Popular flights according to clicks in the last 7 days on momondo

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