What airlines fly to New Hampshire?

American Airlines, Southwest and Alaska Airlines are the top three most popular airlines that fly to New Hampshire from Seattle according to our data. American Airlines is the first choice among our users, with 52% of people opting to fly with this airline when traveling to New Hampshire. Keep in mind that there are 3 different airlines that fly to New Hampshire on a routine basis, so you have a few additional options to choose from.

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

As of September 2025, there are 202 flights per week flying from Seattle to New Hampshire. The most common day of the week flights depart is Mon, with 17% of flights taking off on this day.

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

Delta, United Airlines, and American Airlines are the most popular carriers operating from Seattle/Tacoma Intl to New Hampshire

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

Prices for flights from Seattle/Tacoma Intl Airport to New Hampshire are updated daily.

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

There are 8 operators available for flights from Seattle/Tacoma Intl Airport to New Hampshire as of September 2025.

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

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to New Hampshire.

What documentation or ID do you need to fly to New Hampshire?

The necessary travel and health documents for your New Hampshire 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.

$111 Cheap Flights from Seattle to New Hampshire in 2025/26

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Find the cheapest flights from Seattle to New Hampshire

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

1:10 pm - 9:46 pmSEA-BOS

5h 36mnonstop

8:20 am - 11:59 amBOS-SEA

6h 39mnonstop

$178JetBlue

Find Deal

Sat, Oct 18 - Fri, Oct 24

1:10 pm - 9:46 pmSEA-BOS

5h 36mnonstop

8:20 am - 11:59 amBOS-SEA

6h 39mnonstop

$181JetBlue

Find Deal

Sat, Oct 18 - Fri, Oct 24

10:54 pm - 10:14 amSEA-BOS

8h 20m1 stop

6:00 am - 11:03 amBOS-SEA

8h 03m1 stop

$195American Airlines

Find Deal

Fri, Oct 24 - Tue, Oct 28

11:10 pm - 7:29 amSEA-BOS

5h 19mnonstop

7:00 am - 10:35 amBOS-SEA

6h 35mnonstop

$197Alaska Airlines

Find Deal

Sun, Nov 2 - Tue, Nov 11

12:34 am - 11:37 amSEA-BOS

8h 03m1 stop

3:51 pm - 12:27 amBOS-SEA

11h 36m1 stop

$201American Airlines

Find Deal

Fri, Oct 24 - Sat, Oct 25

3:59 pm - 12:20 amSEA-BOS

5h 21mnonstop

7:00 am - 10:35 amBOS-SEA

6h 35mnonstop

$205Alaska Airlines

Find Deal

Thu, Oct 30 - Tue, Nov 4

3:59 pm - 12:20 amSEA-BOS

5h 21mnonstop

7:00 am - 10:35 amBOS-SEA

6h 35mnonstop

$206Hawaiian Airlines

Find Deal

Sat, Nov 1 - Sat, Nov 8

5:50 am - 6:00 pmSEA-BOS

9h 10m2 stops

5:15 am - 3:00 pmBOS-SEA

12h 45m1 stop

$218Southwest

Find Deal

Tue, Oct 28 - Thu, Oct 30

5:40 am - 10:45 pmSEA-BOS

14h 05m1 stop

1:35 pm - 10:55 pmBOS-SEA

12h 20m2 stops

$233Southwest

Find Deal

Wed, Nov 5 - Wed, Nov 12

3:35 pm - 11:59 pmSEA-BOS

5h 24mnonstop

6:15 am - 2:35 pmBOS-SEA

11h 20m1 stop

$234Hawaiian Airlines

Find Deal

Sat, Oct 18 - Fri, Oct 24

JetBlue flights from Seattle to New Hampshire

Our best JetBlue deals on Seattle to New Hampshire flight tickets

JetBlue

Oct 18

SEA1:10 pmSeattle/Tacoma Intl

5h 36m

BOS9:46 pmBoston Logan Intl

Oct 24

BOS8:20 amBoston Logan Intl

6h 39m

SEA11:59 amSeattle/Tacoma Intl

$178

Find similar

JetBlue

Oct 18

SEA1:10 pmSeattle/Tacoma Intl

5h 36m

BOS9:46 pmBoston Logan Intl

Oct 24

BOS8:20 amBoston Logan Intl

6h 39m

SEA11:59 amSeattle/Tacoma Intl

$181

Find similar

JetBlue

Oct 18

SEA1:10 pmSeattle/Tacoma Intl

5h 36m

BOS9:46 pmBoston Logan Intl

Oct 23

BOS8:20 amBoston Logan Intl

6h 39m

SEA11:59 amSeattle/Tacoma Intl

$187

Find similar

United Airlines flights from Seattle to New Hampshire

Our best United Airlines deals on Seattle to New Hampshire flight tickets

United Airlines

Oct 1

SEA5:00 amSeattle/Tacoma Intl

7h 50m

1 stop

BOS3:50 pmBoston Logan Intl

Oct 4

BOS4:25 pmBoston Logan Intl

9h 05m

1 stop

SEA10:30 pmSeattle/Tacoma Intl

$237

Find similar

United Airlines

Sep 29

SEA6:55 pmSeattle/Tacoma Intl

8h 05m

1 stop

BOS6:00 amBoston Logan Intl

Oct 1

BOS6:00 amBoston Logan Intl

8h 31m

1 stop

SEA11:31 amSeattle/Tacoma Intl

$244

Find similar

United Airlines

Sep 27

SEA1:57 pmSeattle/Tacoma Intl

7h 53m

1 stop

BOS12:50 amBoston Logan Intl

Oct 2

BOS12:09 pmBoston Logan Intl

9h 22m

1 stop

SEA6:31 pmSeattle/Tacoma Intl

$277

Find similar

Fly from

Fly to

Route

Depart

Return

Price

SeattleBoston

SEA - BOS

SEABOS

Seattle/Tacoma Intl

Sat 10/18

1:10 pm-9:46 pm

Nonstop5h 36m

Boston Logan Intl

Fri 10/24

8:20 am-11:59 am

Nonstop6h 39m

$178

SeattleBoston

SEA - BOS

SEABOS

Seattle/Tacoma Intl

Sat 10/18

1:10 pm-9:46 pm

Nonstop5h 36m

Boston Logan Intl

Fri 10/24

8:20 am-11:59 am

Nonstop6h 39m

$181

SeattleBoston

SEA - BOS

SEABOS

Seattle/Tacoma Intl

Fri 10/24

10:54 pm-10:14 am

1 stop8h 20m

Boston Logan Intl

Tue 10/28

6:00 am-11:03 am

1 stop8h 03m

$195

SeattleBoston

SEA - BOS

SEABOS

Seattle/Tacoma Intl

Sun 11/2

11:10 pm-7:29 am

Nonstop5h 19m

Boston Logan Intl

Tue 11/11

7:00 am-10:35 am

Nonstop6h 35m

$197

SeattleBoston

SEA - BOS

SEABOS

Seattle/Tacoma Intl

Fri 10/24

12:34 am-11:37 am

1 stop8h 03m

Boston Logan Intl

Sat 10/25

3:51 pm-12:27 am

1 stop11h 36m

$201

SeattleBoston

SEA - BOS

SEABOS

Seattle/Tacoma Intl

Thu 10/30

3:59 pm-12:20 am

Nonstop5h 21m

Boston Logan Intl

Tue 11/4

7:00 am-10:35 am

Nonstop6h 35m

$205

SeattleBoston

SEA - BOS

SEABOS

Seattle/Tacoma Intl

Sat 11/1

3:59 pm-12:20 am

Nonstop5h 21m

Boston Logan Intl

Sat 11/8

7:00 am-10:35 am

Nonstop6h 35m

$206

SeattleBoston

SEA - BOS

SEABOS

Seattle/Tacoma Intl

Tue 10/28

5:50 am-6:00 pm

2 stops9h 10m

Boston Logan Intl

Thu 10/30

5:15 am-3:00 pm

1 stop12h 45m

$218

SeattleBoston

SEA - BOS

SEABOS

Seattle/Tacoma Intl

Wed 11/5

5:40 am-10:45 pm

1 stop14h 05m

Boston Logan Intl

Wed 11/12

1:35 pm-10:55 pm

2 stops12h 20m

$233

SeattleBoston

SEA - BOS

SEABOS

Seattle/Tacoma Intl

Sat 10/18

3:35 pm-11:59 pm

Nonstop5h 24m

Boston Logan Intl

Fri 10/24

6:15 am-2:35 pm

1 stop11h 20m

$234

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How to get the cheapest flight ticket from Seattle to New Hampshire

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 New Hampshire?

The month of March is another great option to travel to New Hampshire, with average flight prices from Seattle averaging around $267.

What is the cheapest day to depart on your flight to New Hampshire?

The cheapest day to depart on your flight to New Hampshire is on a Wednesday when prices can be found for as low as $342. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to New Hampshire is Sunday, with ticket prices averaging around $412.

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

According to our data, the cheapest time of day to fly to New Hampshire is at noon. momondo users have found flights departing from Seattle to New Hampshire at noon for as low as $307. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Try not to purchase tickets in the morning because they tend to be around $404. Of course, these prices can vary depending on the time of year and what airport you fly to.

How far in advance should I book a flight to New Hampshire?

You are more likely to see cheaper flights to New Hampshire from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to New Hampshire for around $347 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to New Hampshire from Seattle for as low as $293 on momondo.

Cheap Seattle to New Hampshire flight deals and tips

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

Fastest flight time	5h 17m
Direct flights	Every day
Airports in New Hampshire	1 airport

The fastest flight from Seattle to New Hampshire takes 5h 17m

Direct flights go from Seattle to New Hampshire every day.

There is 1 airport near New Hampshire: Boston Logan Intl (BOS)

Search flight deals

When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to New Hampshire?
Prices for flights from Seattle/Tacoma Intl Airport to New Hampshire are updated daily.
How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to New Hampshire?
There are 8 operators available for flights from Seattle/Tacoma Intl Airport to New Hampshire as of September 2025.
How old do you have to be to fly from Seattle/Tacoma Intl Airport to New Hampshire?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to New Hampshire.
What documentation or ID do you need to fly to New Hampshire?
The necessary travel and health documents for your New Hampshire 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 Seattle to New Hampshire

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

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $336	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Southwest	PriceFrom $377	Free Cancellation	Rating 8.0 4,242 reviews	Search Southwest flights
Alaska Airlines	PriceFrom $487	Free Cancellation	Rating 8.0 10,000 reviews	Search Alaska Airlines flights

Why use momondo?

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

Finding the right flight to New Hampshire from Seattle is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to New Hampshire quick and easy, saving you time and money.

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

momondo does allow users to show only those flights to New Hampshire from Seattle which offer a flexible booking policy as well as other useful filters and features.

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

Once all potential Seattle to New Hampshire 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 Seattle to New Hampshire right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Seattle to New Hampshire now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to New Hampshire and let you know when they change.

An easier way to manage your New Hampshire 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.

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Find better results for your trip to New Hampshire

Popular cities in New Hampshire

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Cheap flights from Seattle to New Hampshire from $111

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to New Hampshire departing on 9/30. 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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Big names and deals

Filter for what you want

Filter for what you want

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Find the cheapest flights from Seattle to New Hampshire

Cheap round-trip flights

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Cheap last minute flights

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JetBlue flights from Seattle to New Hampshire

Our best JetBlue deals on Seattle to New Hampshire flight tickets

United Airlines flights from Seattle to New Hampshire

Our best United Airlines deals on Seattle to New Hampshire flight tickets

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

See travel insights to New Hampshire from

How to get the cheapest flight ticket from Seattle to New Hampshire

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 cheapest month to fly to New Hampshire?

The month of March is another great option to travel to New Hampshire, with average flight prices from Seattle averaging around $267.

What is the cheapest day to depart on your flight to New Hampshire?

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

How far in advance should I book a flight to New Hampshire?

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

Delta, United Airlines, and American Airlines are the most popular carriers operating from Seattle/Tacoma Intl to New Hampshire

What airlines fly to New Hampshire?

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

As of September 2025, there are 202 flights per week flying from Seattle to New Hampshire. The most common day of the week flights depart is Mon, with 17% of flights taking off on this day.

Cheap Seattle to New Hampshire flight deals and tips

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

Fastest flight time

Direct flights

Airports in New Hampshire

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

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

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

What documentation or ID do you need to fly to New Hampshire?

Best airlines flying from Seattle to New Hampshire

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

Why use momondo?

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

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

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

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

An easier way to manage your New Hampshire 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 New Hampshire

Popular cities in New Hampshire

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