What airlines fly to New Hampshire?

American Airlines, Southwest and United 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 54% 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 December 2025, there are 73 flights per week flying from Seattle to New Hampshire. The most common day of the week flights depart is Wed, with 33% of flights taking off on this day.

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

Delta, Southwest, and United 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 December 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

Enter your travel dates to find the best prices.

11:10 pm - 12:03 pm

SEA

PWM

9h 53m1 stop

2:35 pm - 10:25 pm

PWM

SEA

10h 50m1 stop

$221Delta

Sat, Jan 24 - Wed, Jan 28

11:07 pm - 12:05 pm

SEA

PWM

9h 58m1 stop

12:46 pm - 10:20 pm

PWM

SEA

12h 34m2 stops

$226American Airlines

Mon, Jan 5 - Thu, Jan 8

5:10 pm - 9:01 am

SEA

PWM

12h 51m2 stops

3:12 pm - 11:15 pm

PWM

SEA

11h 03m1 stop

$280United Airlines

Thu, Jan 8 - Mon, Jan 12

3:40 pm - 11:54 pm

SEA

BOS

5h 14mnonstop

6:44 pm - 10:17 pm

BOS

SEA

6h 33mnonstop

$292Alaska Airlines

Wed, Jan 7 - Sun, Jan 11

5:54 pm - 9:01 am

SEA

PWM

12h 07m2 stops

2:31 pm - 10:43 pm

PWM

SEA

11h 12m2 stops

$297United Airlines

Mon, Jan 5 - Thu, Jan 8

3:40 pm - 11:54 pm

SEA

BOS

5h 14mnonstop

7:00 am - 10:34 am

BOS

SEA

6h 34mnonstop

$307Alaska Airlines

Fri, Jan 9 - Sun, Jan 18

5:15 am - 10:05 pm

SEA

MHT

13h 50m1 stop

7:20 am - 1:15 pm

MHT

SEA

8h 55m1 stop

$442Southwest

Thu, Mar 5 - Sun, Mar 8

6:00 pm - 8:30 am

SEA

MHT

11h 30m2 stops

1:40 pm - 1:20 am

MHT

SEA

14h 40m2 stops

$447Southwest

Thu, Mar 5 - Sun, Mar 8

11:25 pm - 9:53 am

SEA

LEB

7h 28m1 stop

10:48 am - 12:41 am

LEB

SEA

16h 53m2 stops

$989Multiple Airlines

Thu, Jan 1 - Mon, Jan 5

11:25 pm - 9:53 am

SEA

LEB

7h 28m1 stop

2:09 pm - 9:30 pm

LEB

SEA

10h 21m1 stop

$1,020Multiple Airlines

Thu, Jan 1 - Mon, Jan 5

JetBlue flights from Seattle to New Hampshire

Our best JetBlue deals on Seattle to New Hampshire flight tickets

JetBlue

May 2

SEA11:30 amSeattle/Tacoma Intl

5h 35m

BOS8:05 pmBoston Logan Intl

May 8

BOS7:00 amBoston Logan Intl

6h 20m

SEA10:20 amSeattle/Tacoma Intl

$307

Find similar

JetBlue

May 4

SEA11:59 pmSeattle/Tacoma Intl

11h 21m

1 stop

BOS2:20 pmBoston Logan Intl

May 7

BOS7:00 amBoston Logan Intl

6h 20m

SEA10:20 amSeattle/Tacoma Intl

$317

Find similar

JetBlue

May 2

SEA11:30 amSeattle/Tacoma Intl

5h 35m

BOS8:05 pmBoston Logan Intl

May 6

BOS1:00 pmBoston Logan Intl

10h 53m

1 stop

SEA8:53 pmSeattle/Tacoma Intl

$322

Find similar

Southwest flights from Seattle to New Hampshire

Our best Southwest deals on Seattle to New Hampshire flight tickets

Southwest

Mar 7

SEA5:00 amSeattle/Tacoma Intl

14h 00m

1 stop

BOS10:00 pmBoston Logan Intl

Mar 11

BOS2:00 pmBoston Logan Intl

13h 20m

2 stops

SEA12:20 amSeattle/Tacoma Intl

$323

Find similar

Southwest

Jan 24

SEA5:15 amSeattle/Tacoma Intl

12h 15m

2 stops

BOS8:30 pmBoston Logan Intl

Jan 31

BOS5:30 amBoston Logan Intl

8h 30m

1 stop

SEA11:00 amSeattle/Tacoma Intl

$332

Find similar

Southwest

Jan 21

SEA8:45 amSeattle/Tacoma Intl

10h 45m

2 stops

BOS10:30 pmBoston Logan Intl

Jan 26

BOS1:20 pmBoston Logan Intl

12h 10m

2 stops

SEA10:30 pmSeattle/Tacoma Intl

$344

Find similar

Fly from

Fly to

Route

Depart

Return

Price

SeattlePortland

SEA - PWM

SEAPWM

Seattle/Tacoma Intl

Sat 1/24

11:10 pm-12:03 pm

1 stop9h 53m

Portland

Wed 1/28

2:35 pm-10:25 pm

1 stop10h 50m

$221

SeattlePortland

SEA - PWM

SEAPWM

Seattle/Tacoma Intl

Mon 1/5

11:07 pm-12:05 pm

1 stop9h 58m

Portland

Thu 1/8

12:46 pm-10:20 pm

2 stops12h 34m

$226

SeattlePortland

SEA - PWM

SEAPWM

Seattle/Tacoma Intl

Thu 1/8

5:10 pm-9:01 am

2 stops12h 51m

Portland

Mon 1/12

3:12 pm-11:15 pm

1 stop11h 03m

$280

SeattleBoston

SEA - BOS

SEABOS

Seattle/Tacoma Intl

Wed 1/7

3:40 pm-11:54 pm

Nonstop5h 14m

Boston Logan Intl

Sun 1/11

6:44 pm-10:17 pm

Nonstop6h 33m

$292

SeattlePortland

SEA - PWM

SEAPWM

Seattle/Tacoma Intl

Mon 1/5

5:54 pm-9:01 am

2 stops12h 07m

Portland

Thu 1/8

2:31 pm-10:43 pm

2 stops11h 12m

$297

SeattleBoston

SEA - BOS

SEABOS

Seattle/Tacoma Intl

Fri 1/9

3:40 pm-11:54 pm

Nonstop5h 14m

Boston Logan Intl

Sun 1/18

7:00 am-10:34 am

Nonstop6h 34m

$307

SeattleManchester

SEA - MHT

SEAMHT

Seattle/Tacoma Intl

Thu 3/5

5:15 am-10:05 pm

1 stop13h 50m

Manchester

Sun 3/8

7:20 am-1:15 pm

1 stop8h 55m

$442

SeattleManchester

SEA - MHT

SEAMHT

Seattle/Tacoma Intl

Thu 3/5

6:00 pm-8:30 am

2 stops11h 30m

Manchester

Sun 3/8

1:40 pm-1:20 am

2 stops14h 40m

$447

SeattleLebanon

SEA - LEB

SEALEB

Seattle/Tacoma Intl

Thu 1/1

11:25 pm-9:53 am

1 stop7h 28m

Lebanon Municipal

Mon 1/5

10:48 am-12:41 am

2 stops16h 53m

$989

SeattleLebanon

SEA - LEB

SEALEB

Seattle/Tacoma Intl

Thu 1/1

11:25 pm-9:53 am

1 stop7h 28m

Lebanon Municipal

Mon 1/5

2:09 pm-9:30 pm

1 stop10h 21m

$1,020

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 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 $277.

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 $350. 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 $432.

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 $254. 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 $421. 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 $358 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 $305 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 14m
Direct flights	Every day
Airports in New Hampshire	52 airports

The fastest flight from Seattle to New Hampshire takes 5h 14m

Direct flights go from Seattle to New Hampshire every day.

There are 52 airports in New Hampshire. From Seattle there are direct flights to 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 December 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
United Airlines	PriceFrom $328	Free Cancellation	Rating 7.4 9,091 reviews	Search United Airlines flights
American Airlines	PriceFrom $333	Free Cancellation	Rating 7.2 11,054 reviews	Search American Airlines flights
Southwest	PriceFrom $377	Free Cancellation	Rating 7.9 4,250 reviews	Search Southwest 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.

Start using Trips

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Popular cities in New Hampshire

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Flights to Seattlefrom $58

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 1/14. 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

Trusted and free

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Find the cheapest flights from Seattle to New Hampshire

Cheap round-trip flights

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JetBlue flights from Seattle to New Hampshire

Our best JetBlue deals on Seattle to New Hampshire flight tickets

Southwest flights from Seattle to New Hampshire

Our best Southwest 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

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 $277.

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, Southwest, and United 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 December 2025, there are 73 flights per week flying from Seattle to New Hampshire. The most common day of the week flights depart is Wed, with 33% 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