What airlines fly to Seattle?

American Airlines, Southwest and United Airlines are the top three most popular airlines that fly to Seattle from New Hampshire according to our data. American Airlines is the first choice among our users, with 60% of people opting to fly with this airline when traveling to Seattle. Keep in mind that there are 3 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.

How long does it take to fly to Seattle?

Flight times vary depending on what airport in New Hampshire you fly out of and what airport in Seattle you fly into. For example, flying from Manchester to Seattle takes 8h 20m on average. On the other hand, flying from Lebanon to Seattle takes 11h 21m 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.

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

As of November 2025, there are 107 flights per week flying from New Hampshire to Seattle. The most common day of the week flights depart is Thu, with 29% of flights taking off on this day.

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

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

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

Prices for flights from New Hampshire to Seattle/Tacoma Intl Airport are refreshed on a daily basis.

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

The number of operators available for flights from New Hampshire to Seattle/Tacoma Intl Airport is 8 as of November 2025.

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

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from New Hampshire to Seattle/Tacoma Intl Airport.

What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

The travel and health documents required for your trip to Seattle/Tacoma Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Seattle/Tacoma Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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

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Cheap round-trip flights

Enter your travel dates to find the best prices.

2:34 pm - 8:13 pmPWM-SEA

8h 39m1 stop

6:00 am - 4:00 pmSEA-PWM

7h 00m1 stop

$221Delta

Find Deal

Thu, Dec 4 - Sat, Dec 6

2:34 pm - 8:13 pmPWM-SEA

8h 39m1 stop

6:00 am - 10:23 pmSEA-PWM

13h 23m2 stops

$226Delta

Find Deal

Thu, Dec 4 - Sat, Dec 6

12:23 pm - 9:13 pmPWM-SEA

11h 50m2 stops

10:07 pm - 11:37 amSEA-PWM

10h 30m2 stops

$231American Airlines

Find Deal

Thu, Dec 4 - Mon, Dec 8

4:53 pm - 10:25 pmPWM-SEA

8h 32m1 stop

1:45 pm - 12:20 amSEA-PWM

7h 35m1 stop

$236Delta

Find Deal

Tue, Dec 16 - Mon, Jan 12

7:00 am - 10:20 amBOS-SEA

6h 20mnonstop

11:30 am - 8:05 pmSEA-BOS

5h 35mnonstop

$262JetBlue

Find Deal

Wed, May 6 - Mon, May 11

6:00 am - 3:29 pmBOS-SEA

12h 29m1 stop

11:50 pm - 10:58 amSEA-BOS

8h 08m1 stop

$266United Airlines

Find Deal

Thu, Dec 4 - Thu, Dec 4

10:59 am - 7:42 pmBOS-SEA

11h 43m1 stop

12:38 am - 1:20 pmSEA-BOS

9h 42m1 stop

$271American Airlines

Find Deal

Thu, Dec 4 - Sun, Dec 7

7:00 am - 10:20 amBOS-SEA

6h 20mnonstop

11:59 pm - 2:20 pmSEA-BOS

11h 21m1 stop

$272JetBlue

Find Deal

Sat, May 16 - Mon, May 25

5:44 pm - 7:56 pmBOS-SEA

29h 12m1 stop

10:40 pm - 6:54 amSEA-BOS

5h 14mnonstop

$277Alaska Airlines

Find Deal

Tue, Mar 10 - Wed, Mar 11

2:17 pm - 8:57 pmMHT-SEA

9h 40m1 stop

8:10 am - 6:51 pmSEA-MHT

7h 41m1 stop

$382United Airlines

Find Deal

Thu, Jan 8 - Sun, Jan 11

Delta flights from New Hampshire to Seattle

Our best Delta deals on New Hampshire to Seattle flight tickets

Delta

Dec 4

PWM2:34 pmPortland

8h 39m

1 stop

SEA8:13 pmSeattle/Tacoma Intl

Dec 8

SEA11:15 pmSeattle/Tacoma Intl

9h 58m

1 stop

PWM12:13 pmPortland

$221

Find similar

Delta

Dec 4

PWM4:53 pmPortland

8h 32m

1 stop

SEA10:25 pmSeattle/Tacoma Intl

Dec 8

SEA11:59 pmSeattle/Tacoma Intl

9h 14m

2 stops

PWM12:13 pmPortland

$226

Find similar

Delta

Dec 16

PWM6:08 amPortland

11h 51m

2 stops

SEA2:59 pmSeattle/Tacoma Intl

Jan 11

SEA11:10 pmSeattle/Tacoma Intl

9h 10m

2 stops

PWM11:20 amPortland

$231

Find similar

JetBlue flights from New Hampshire to Seattle

Our best JetBlue deals on New Hampshire to Seattle flight tickets

JetBlue

May 6

BOS7:00 amBoston Logan Intl

6h 20m

SEA10:20 amSeattle/Tacoma Intl

May 11

SEA11:30 amSeattle/Tacoma Intl

5h 35m

BOS8:05 pmBoston Logan Intl

$262

Find similar

JetBlue

May 16

BOS7:00 amBoston Logan Intl

6h 20m

SEA10:20 amSeattle/Tacoma Intl

May 25

SEA11:59 pmSeattle/Tacoma Intl

11h 21m

1 stop

BOS2:20 pmBoston Logan Intl

$272

Find similar

JetBlue

May 6

BOS7:00 amBoston Logan Intl

6h 20m

SEA10:20 amSeattle/Tacoma Intl

May 11

SEA11:59 pmSeattle/Tacoma Intl

11h 21m

1 stop

BOS2:20 pmBoston Logan Intl

$277

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PortlandSeattle

PWM - SEA

PWMSEA

Portland

Thu 12/4

2:34 pm-8:13 pm

1 stop8h 39m

Seattle/Tacoma Intl

Sat 12/6

6:00 am-4:00 pm

1 stop7h 00m

$221

PortlandSeattle

PWM - SEA

PWMSEA

Portland

Thu 12/4

2:34 pm-8:13 pm

1 stop8h 39m

Seattle/Tacoma Intl

Sat 12/6

6:00 am-10:23 pm

2 stops13h 23m

$226

PortlandSeattle

PWM - SEA

PWMSEA

Portland

Thu 12/4

12:23 pm-9:13 pm

2 stops11h 50m

Seattle/Tacoma Intl

Mon 12/8

10:07 pm-11:37 am

2 stops10h 30m

$231

PortlandSeattle

PWM - SEA

PWMSEA

Portland

Tue 12/16

4:53 pm-10:25 pm

1 stop8h 32m

Seattle/Tacoma Intl

Mon 1/12

1:45 pm-12:20 am

1 stop7h 35m

$236

BostonSeattle

BOS - SEA

BOSSEA

Boston Logan Intl

Wed 5/6

7:00 am-10:20 am

Nonstop6h 20m

Seattle/Tacoma Intl

Mon 5/11

11:30 am-8:05 pm

Nonstop5h 35m

$262

BostonSeattle

BOS - SEA

BOSSEA

Boston Logan Intl

Thu 12/4

6:00 am-3:29 pm

1 stop12h 29m

Seattle/Tacoma Intl

Thu 12/4

11:50 pm-10:58 am

1 stop8h 08m

$266

BostonSeattle

BOS - SEA

BOSSEA

Boston Logan Intl

Thu 12/4

10:59 am-7:42 pm

1 stop11h 43m

Seattle/Tacoma Intl

Sun 12/7

12:38 am-1:20 pm

1 stop9h 42m

$271

BostonSeattle

BOS - SEA

BOSSEA

Boston Logan Intl

Sat 5/16

7:00 am-10:20 am

Nonstop6h 20m

Seattle/Tacoma Intl

Mon 5/25

11:59 pm-2:20 pm

1 stop11h 21m

$272

BostonSeattle

BOS - SEA

BOSSEA

Boston Logan Intl

Tue 3/10

5:44 pm-7:56 pm

1 stop29h 12m

Seattle/Tacoma Intl

Wed 3/11

10:40 pm-6:54 am

Nonstop5h 14m

$277

ManchesterSeattle

MHT - SEA

MHTSEA

Manchester

Thu 1/8

2:17 pm-8:57 pm

1 stop9h 40m

Seattle/Tacoma Intl

Sun 1/11

8:10 am-6:51 pm

1 stop7h 41m

$382

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 New Hampshire 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, January is the cheapest month to fly from New Hampshire to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $247. If you don’t want to visit Seattle in January, then you should wait until March to fly from New Hampshire, when ticket prices are also cheap, with an average price of $279.

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

On average, the least expensive day to fly to Seattle from New Hampshire is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $390. 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 Hampshire because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $500.

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

Flying to Seattle from New Hampshire in the evening is the least expensive time of day to depart. momondo users have found prices as low as $312 when looking at flights departing in the evening. Flights to Seattle are more costly in the morning, with an average ticket price of $455. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

How far in advance should I book a flight to Seattle?

You are more likely to see cheaper flights to Seattle from New Hampshire when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $348 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from New Hampshire for as low as $306 on momondo.

Can stopping save me money on New Hampshire to Seattle flights?

You could potentially save up to 29% on your flight if you consider stops on a New Hampshire to Seattle flight.

Cheap New Hampshire to Seattle flight deals and tips

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

Fastest flight time	6h 15m
Direct flights	Every day
Airports in Seattle	1 airport

The fastest flight from New Hampshire to Seattle takes 6h 15m

Direct flights go from New Hampshire to Seattle every day.

There is 1 airport near Seattle: Seattle/Tacoma Intl (SEA)

Search flight deals

When did momondo last update prices for flights from New Hampshire to Seattle/Tacoma Intl Airport?
Prices for flights from New Hampshire to Seattle/Tacoma Intl Airport are refreshed on a daily basis.
How many operators does momondo search for flights from New Hampshire to Seattle/Tacoma Intl Airport?
The number of operators available for flights from New Hampshire to Seattle/Tacoma Intl Airport is 8 as of November 2025.
How old do you have to be to fly from New Hampshire to Seattle/Tacoma Intl Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from New Hampshire to Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The travel and health documents required for your trip to Seattle/Tacoma Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Seattle/Tacoma Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from New Hampshire to Seattle

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

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $342	Free Cancellation	Rating 7.4 9,028 reviews	Search United Airlines flights
American Airlines	PriceFrom $344	Free Cancellation	Rating 7.2 11,047 reviews	Search American Airlines flights
Southwest	PriceFrom $379	Free Cancellation	Rating 8.0 4,251 reviews	Search Southwest flights

Tacoma

Leavenworth

SeaTac

Ocean Shores

Renton

Olympia

Lynnwood

Kent

Puyallup

Marysville

Redmond

Tukwila

Lakewood

Federal Way

Fife

Cle Elum

Centralia

Kirkland

Westport

Shoreline

Why use momondo?

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

Finding the right flight to Seattle from New Hampshire 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 Seattle quick and easy, saving you time and money.

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

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

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

Once you have performed a search for New Hampshire 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 Hampshire to Seattle right now. Can momondo alert me if prices change?

Price alerts on flights to Seattle from New Hampshire 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.

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Cheap flights from New Hampshire to Seattle 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 New Hampshire to Seattle departing on 12/10. 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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Delta flights from New Hampshire to Seattle

Our best Delta deals on New Hampshire to Seattle flight tickets

JetBlue flights from New Hampshire to Seattle

Our best JetBlue deals on New Hampshire to Seattle flight tickets

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How to get the cheapest flight ticket from New Hampshire 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

What is the cheapest month to fly to Seattle?

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

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

How far in advance should I book a flight to Seattle?

Can stopping save me money on New Hampshire to Seattle flights?

You could potentially save up to 29% on your flight if you consider stops on a New Hampshire to Seattle flight.

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

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

What airlines fly to Seattle?

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

As of November 2025, there are 107 flights per week flying from New Hampshire to Seattle. The most common day of the week flights depart is Thu, with 29% of flights taking off on this day.

How long does it take to fly to Seattle?

Cheap New Hampshire to Seattle flight deals and tips

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

Fastest flight time

Direct flights

Airports in Seattle

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

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

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

What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

Best airlines flying from New Hampshire to Seattle

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

Traveling to a place near Seattle?

Why use momondo?

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

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

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

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

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