What airlines fly to Seattle?

Alaska Airlines, Delta and American Airlines are the top three most popular airlines that fly to Seattle from New Haven according to our data. Alaska Airlines is the first choice among our users, with 39% of people opting to fly with this airline when traveling to Seattle. Keep in mind that there are 9 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Tweed-New Haven Airport to Seattle/Tacoma Intl Airport?

Prices for flights from Tweed-New Haven Airport to Seattle/Tacoma Intl Airport were last updated today.

How many operators does momondo search for flights from Tweed-New Haven Airport to Seattle/Tacoma Intl Airport?

As of March 2026, there is 1 operator available to choose from for flights from Tweed-New Haven Airport to Seattle/Tacoma Intl Airport.

How old do you have to be to fly from Tweed-New Haven Airport 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 Tweed-New Haven 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.

$223 Cheap Flights from New Haven to Seattle in 2026

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0 bags

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Find the cheapest flights from New Haven to Seattle

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

4:20 pm - 10:30 pm

HVN

SEA

9h 10m

1 stop

10:25 am - 10:39 pm

SEA

HVN

9h 14m

1 stop

$789Multiple Airlines

Mon, Jun 8 - Fri, Jun 12

4:20 pm - 10:30 pm

HVN

SEA

9h 10m

1 stop

10:31 am - 10:07 pm

SEA

HVN

8h 36m

1 stop

$951Multiple Airlines

Fri, May 29 - Sun, May 31

7:00 am - 11:37 am

HVN

SEA

31h 37m

2 stops

10:57 am - 3:20 pm

SEA

HVN

25h 23m

2 stops

$1,349Multiple Airlines

Sat, Apr 11 - Wed, Apr 15

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

New HavenSeattle

HVN - SEA

HVNSEA

Tweed-New Haven

Mon 6/8

4:20 pm-10:30 pm

1 stop9h 10m

Seattle/Tacoma Intl

Fri 6/12

10:25 am-10:39 pm

1 stop9h 14m

$789

Quickest round-trip

New HavenSeattle

HVN - SEA

HVNSEA

Tweed-New Haven

Fri 5/29

4:20 pm-10:30 pm

1 stop9h 10m

Seattle/Tacoma Intl

Sun 5/31

10:31 am-10:07 pm

1 stop8h 36m

$951

New HavenSeattle

HVN - SEA

HVNSEA

Tweed-New Haven

Sat 4/11

7:00 am-11:37 am

2 stops31h 37m

Seattle/Tacoma Intl

Wed 4/15

10:57 am-3:20 pm

2 stops25h 23m

$1,349

Cheapest one-way

New HavenSeattle

HVN - SEA

HVNSEA

Tweed-New Haven

Sun 4/19

3:26 pm-5:42 pm

3 stops53h 16m

$223

New HavenSeattle

HVN - SEA

HVNSEA

Tweed-New Haven

Fri 5/1

2:57 pm-9:27 am

3 stops45h 30m

$286

New HavenSeattle

HVN - SEA

HVNSEA

Tweed-New Haven

Sun 5/24

8:36 pm-6:35 pm

3 stops48h 59m

$315

New HavenSeattle

HVN - SEA

HVNSEA

Tweed-New Haven

Sun 4/19

8:44 pm-5:42 pm

2 stops47h 58m

$388

New HavenSeattle

HVN - SEA

HVNSEA

Tweed-New Haven

Sun 5/24

8:36 pm-9:11 am

2 stops39h 35m

$423

New HavenSeattle

HVN - SEA

HVNSEA

Tweed-New Haven

Sun 4/19

3:20 pm-10:05 pm

1 stop9h 45m

$471

Quickest one-way

New HavenSeattle

HVN - SEA

HVNSEA

Tweed-New Haven

Sun 5/24

3:50 pm-10:30 pm

1 stop9h 40m

$628

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from New Haven 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

What is the cheapest day to depart on your flight to Seattle?

On average, the least expensive day to fly to Seattle from New Haven is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $441. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from New Haven because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $518.

What is the cheapest time of day to depart on your flight to Seattle?

Flying to Seattle from New Haven in the evening is the least expensive time of day to depart. momondo users have found prices as low as $371 when looking at flights departing in the evening. Flights to Seattle are more costly at noon, with an average ticket price of $567. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

When to book flights from New Haven to Seattle

Are you open to changing your travel dates? Check out the ideal times to fly from New Haven to Seattle according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap New Haven to Seattle (HVN to SEA) flight deals and tips

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

Fastest flight time	9h 10m
Direct flights	None

The fastest flight from New Haven to Seattle takes 9h 10m

There are no direct flights from New Haven to Seattle. There are no popular flight routes from New Haven to Seattle.

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How far is Tweed-New Haven to Seattle/Tacoma Intl by plane?
The distance between Tweed-New Haven and Seattle/Tacoma Intl is about 2431.2 mi. A reasonable flight in good conditions will take 9h 10m.
When did momondo last update prices for flights from Tweed-New Haven Airport to Seattle/Tacoma Intl Airport?
Prices for flights from Tweed-New Haven Airport to Seattle/Tacoma Intl Airport were last updated today.
How many operators does momondo search for flights from Tweed-New Haven Airport to Seattle/Tacoma Intl Airport?
As of March 2026, there is 1 operator available to choose from for flights from Tweed-New Haven Airport to Seattle/Tacoma Intl Airport.
How old do you have to be to fly from Tweed-New Haven Airport 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 Tweed-New Haven 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 New Haven to Seattle?
Based on momondo bookings for flights between New Haven and Seattle, the leading airline is Alaska Airlines, making up 100% of the total bookings.

Best airlines flying from New Haven to Seattle

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

Airline	Rating	Free Cancellation	Price
Alaska Airlines	PriceFrom $257	Free Cancellation	Rating 7.9 12,133 reviews		Search Alaska Airlines flights

Tacoma

Leavenworth

SeaTac

Ocean Shores

Renton

Olympia

Lynnwood

Kent

Redmond

Marysville

Puyallup

Lakewood

Cle Elum

Tukwila

Federal Way

Centralia

Fife

Westport

Kirkland

Tumwater

Why use momondo?

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

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

All flight searches from New Haven to Seattle on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from New Haven to Seattle?

Once you have performed a search for New Haven to Seattle flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Price alerts on flights to Seattle from New Haven are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.