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

As of February 2026, there are 75 flights per week flying from Seattle to New Hampshire. The most common day of the week flights depart is Thu, with 28% 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 Southwest are the most popular carriers operating from Seattle/Tacoma Intl to New Hampshire

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 53% 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.

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 February 2026.

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.

$121 Cheap Flights from Seattle to New Hampshire in 2026

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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.

10:57 pm - 12:19 pm

SEA

PWM

10h 22m

1 stop

6:00 pm - 12:24 am

PWM

SEA

9h 24m

1 stop

$241American Airlines

Mon, Mar 2 - Mon, Mar 9

7:10 pm - 10:49 am

SEA

PWM

12h 39m

2 stops

4:23 pm - 10:45 pm

PWM

SEA

9h 22m

1 stop

$246United Airlines

Wed, Mar 4 - Wed, Mar 11

11:15 pm - 11:18 am

SEA

PWM

9h 03m

2 stops

5:23 am - 1:55 pm

PWM

SEA

11h 32m

1 stop

$273Delta

Mon, Mar 2 - Mon, Mar 9

5:45 pm - 6:21 am

SEA

BOS

9h 36m

1 stop

6:34 pm - 11:57 pm

BOS

SEA

8h 23m

1 stop

$277United Airlines

Wed, Apr 29 - Mon, May 4

11:59 pm - 10:38 am

SEA

BOS

7h 39m

1 stop

7:00 am - 10:20 am

BOS

SEA

6h 20mnonstop

$281JetBlue

Thu, May 14 - Tue, Jun 2

11:59 pm - 2:20 pm

SEA

BOS

11h 21m

1 stop

7:00 am - 10:20 am

BOS

SEA

6h 20mnonstop

$286JetBlue

Thu, May 28 - Tue, Jun 2

1:25 pm - 12:05 am

SEA

BOS

7h 40m

1 stop

2:30 pm - 12:05 am

BOS

SEA

12h 35m

2 stops

$287Southwest

Tue, Apr 7 - Mon, Apr 13

12:07 am - 11:28 am

SEA

BOS

8h 21m

1 stop

4:40 pm - 11:04 pm

BOS

SEA

9h 24m

1 stop

$290American Airlines

Wed, Mar 11 - Wed, Mar 18

2:00 pm - 12:18 am

SEA

PWM

7h 18m

1 stop

2:35 pm - 10:22 pm

PWM

SEA

10h 47m

1 stop

$330Delta

Tue, Feb 17 - Wed, Feb 18

11:45 pm - 12:10 pm

SEA

MHT

9h 25m

2 stops

3:45 pm - 12:10 am

MHT

SEA

11h 25m

2 stops

$369Southwest

Tue, Apr 14 - Wed, Apr 22

United Airlines flights from Seattle to New Hampshire

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

United Airlines

Mar 4

SEA7:10 pmSeattle/Tacoma Intl

12h 39m

2 stops

PWM10:49 amPortland

Mar 11

PWM4:23 pmPortland

9h 22m

1 stop

SEA10:45 pmSeattle/Tacoma Intl

$246

United Airlines

Apr 29

SEA5:45 pmSeattle/Tacoma Intl

9h 36m

1 stop

BOS6:21 amBoston Logan Intl

May 4

BOS6:34 pmBoston Logan Intl

8h 23m

1 stop

SEA11:57 pmSeattle/Tacoma Intl

$277

United Airlines

Apr 15

SEA10:48 amSeattle/Tacoma Intl

7h 52m

1 stop

PWM9:40 pmPortland

Apr 22

PWM4:23 pmPortland

9h 14m

1 stop

SEA10:37 pmSeattle/Tacoma Intl

$284

Delta flights from Seattle to New Hampshire

Our best Delta deals on Seattle to New Hampshire flight tickets

Delta

Mar 2

SEA11:15 pmSeattle/Tacoma Intl

9h 03m

2 stops

PWM11:18 amPortland

Mar 9

PWM5:23 amPortland

11h 32m

1 stop

SEA1:55 pmSeattle/Tacoma Intl

$273

Delta

Mar 15

SEA3:45 pmSeattle/Tacoma Intl

5h 14m

BOS11:59 pmBoston Logan Intl

Mar 31

BOS6:45 pmBoston Logan Intl

6h 25m

SEA10:10 pmSeattle/Tacoma Intl

$297

Delta

Feb 26

SEA7:25 amSeattle/Tacoma Intl

13h 25m

2 stops

BOS11:50 pmBoston Logan Intl

Feb 28

BOS7:15 amBoston Logan Intl

6h 30m

SEA10:45 amSeattle/Tacoma Intl

$300

Fly from

Fly to

Route

Depart

Return

Price

SeattlePortland

SEA - PWM

SEAPWM

Seattle/Tacoma Intl

Mon 3/2

10:57 pm-12:19 pm

1 stop10h 22m

Portland

Mon 3/9

6:00 pm-12:24 am

1 stop9h 24m

$241

SeattlePortland

SEA - PWM

SEAPWM

Seattle/Tacoma Intl

Wed 3/4

7:10 pm-10:49 am

2 stops12h 39m

Portland

Wed 3/11

4:23 pm-10:45 pm

1 stop9h 22m

$246

SeattlePortland

SEA - PWM

SEAPWM

Seattle/Tacoma Intl

Mon 3/2

11:15 pm-11:18 am

2 stops9h 03m

Portland

Mon 3/9

5:23 am-1:55 pm

1 stop11h 32m

$273

SeattleBoston

SEA - BOS

SEABOS

Seattle/Tacoma Intl

Wed 4/29

5:45 pm-6:21 am

1 stop9h 36m

Boston Logan Intl

Mon 5/4

6:34 pm-11:57 pm

1 stop8h 23m

$277

SeattleBoston

SEA - BOS

SEABOS

Seattle/Tacoma Intl

Thu 5/14

11:59 pm-10:38 am

1 stop7h 39m

Boston Logan Intl

Tue 6/2

7:00 am-10:20 am

Nonstop6h 20m

$281

SeattleBoston

SEA - BOS

SEABOS

Seattle/Tacoma Intl

Thu 5/28

11:59 pm-2:20 pm

1 stop11h 21m

Boston Logan Intl

Tue 6/2

7:00 am-10:20 am

Nonstop6h 20m

$286

SeattleBoston

SEA - BOS

SEABOS

Seattle/Tacoma Intl

Tue 4/7

1:25 pm-12:05 am

1 stop7h 40m

Boston Logan Intl

Mon 4/13

2:30 pm-12:05 am

2 stops12h 35m

$287

SeattleBoston

SEA - BOS

SEABOS

Seattle/Tacoma Intl

Wed 3/11

12:07 am-11:28 am

1 stop8h 21m

Boston Logan Intl

Wed 3/18

4:40 pm-11:04 pm

1 stop9h 24m

$290

SeattlePortland

SEA - PWM

SEAPWM

Seattle/Tacoma Intl

Tue 2/17

2:00 pm-12:18 am

1 stop7h 18m

Portland

Wed 2/18

2:35 pm-10:22 pm

1 stop10h 47m

$330

SeattleManchester

SEA - MHT

SEAMHT

Seattle/Tacoma Intl

Tue 4/14

11:45 pm-12:10 pm

2 stops9h 25m

Manchester

Wed 4/22

3:45 pm-12:10 am

2 stops11h 25m

$369

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 September is another great option to travel to New Hampshire, with average flight prices from Seattle averaging around $307.

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 $358. 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 Monday, with ticket prices averaging around $433.

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 $232. 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 $428. 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 $369 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 $308 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 February 2026.
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 9,240 reviews	Search United Airlines flights
American Airlines	PriceFrom $333	Free Cancellation	Rating 7.2 11,237 reviews	Search American Airlines flights
Southwest	PriceFrom $377	Free Cancellation	Rating 8.0 4,275 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.

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Popular cities in New Hampshire

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Cheap flights from Seattle to New Hampshire from $121

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 2/14. 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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United Airlines flights from Seattle to New Hampshire

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

Delta flights from Seattle to New Hampshire

Our best Delta 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 September is another great option to travel to New Hampshire, with average flight prices from Seattle averaging around $307.

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 Southwest 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 February 2026, there are 75 flights per week flying from Seattle to New Hampshire. The most common day of the week flights depart is Thu, with 28% 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

Seattle flight routes

According to popular flight searches on momondo this year

New Hampshire flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to New Hampshire

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

Complete your trip to New Hampshire

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According to popular flight searches on momondo this year