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 45m on average. On the other hand, flying from Lebanon to Seattle takes 10h 45m 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.

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

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

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 62% 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 many flights depart from New Hampshire to Seattle on average per week?

As of August 2025, there are 249 flights per week flying from New Hampshire to Seattle. The most common day of the week flights depart is Thu, with 18% of flights taking off on this day.

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 9 as of August 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.

$75 Cheap Flights from New Hampshire to Seattle in 2025

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from New Hampshire to Seattle

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

6:30 pm - 12:05 amBOS-SEA

8h 35m1 stop

9:10 pm - 10:00 amSEA-BOS

9h 50m1 stop

$150Southwest

Find Deal

Thu, Sep 11 - Wed, Sep 17

11:25 am - 9:40 pmBOS-SEA

13h 15m1 stop

11:10 pm - 9:10 amSEA-BOS

7h 00m1 stop

$156Southwest

Find Deal

Tue, Sep 16 - Sat, Sep 27

7:20 am - 10:33 amBOS-SEA

6h 13mnonstop

3:59 pm - 12:27 amSEA-BOS

5h 28mnonstop

$188Hawaiian Airlines

Find Deal

Sat, Sep 13 - Mon, Sep 22

7:20 am - 10:33 amBOS-SEA

6h 13mnonstop

3:59 pm - 12:27 amSEA-BOS

5h 28mnonstop

$190Hawaiian Airlines

Find Deal

Sat, Sep 13 - Mon, Sep 22

7:25 am - 10:43 amBOS-SEA

6h 18mnonstop

10:05 pm - 6:35 amSEA-BOS

5h 30mnonstop

$197Delta

Find Deal

Thu, Sep 11 - Sat, Sep 20

6:45 pm - 10:01 pmBOS-SEA

6h 16mnonstop

10:05 pm - 6:35 amSEA-BOS

5h 30mnonstop

$198Delta

Find Deal

Sat, Sep 13 - Mon, Sep 22

1:42 pm - 11:18 pmBOS-SEA

12h 36m1 stop

9:00 am - 11:14 pmSEA-BOS

11h 14m1 stop

$205American Airlines

Find Deal

Sat, Nov 8 - Tue, Nov 11

11:28 am - 8:09 pmBOS-SEA

11h 41m1 stop

7:45 am - 8:57 pmSEA-BOS

10h 12m1 stop

$211American Airlines

Find Deal

Tue, Sep 16 - Sat, Sep 20

2:17 pm - 10:20 pmPWM-SEA

11h 03m1 stop

11:59 pm - 1:22 pmSEA-PWM

10h 23m1 stop

$238JetBlue

Find Deal

Fri, Sep 5 - Sat, Sep 13

7:00 am - 10:19 amBOS-SEA

6h 19mnonstop

11:30 am - 8:23 pmSEA-BOS

5h 53mnonstop

$243JetBlue

Find Deal

Fri, Sep 5 - Thu, Sep 25

American Airlines flights from New Hampshire to Seattle

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

American Airlines

Nov 8

BOS1:42 pmBoston Logan Intl

12h 36m

1 stop

SEA11:18 pmSeattle/Tacoma Intl

Nov 11

SEA9:00 amSeattle/Tacoma Intl

11h 14m

1 stop

BOS11:14 pmBoston Logan Intl

$205

Find similar

American Airlines

Sep 16

BOS11:28 amBoston Logan Intl

11h 41m

1 stop

SEA8:09 pmSeattle/Tacoma Intl

Sep 20

SEA7:45 amSeattle/Tacoma Intl

10h 12m

1 stop

BOS8:57 pmBoston Logan Intl

$211

Find similar

American Airlines

Sep 3

BOS2:05 pmBoston Logan Intl

11h 24m

1 stop

SEA10:29 pmSeattle/Tacoma Intl

Sep 10

SEA11:05 pmSeattle/Tacoma Intl

10h 18m

1 stop

BOS12:23 pmBoston Logan Intl

$222

Find similar

Sun Country Air flights from New Hampshire to Seattle

Our best Sun Country Air deals on New Hampshire to Seattle flight tickets

Sun Country Air

Aug 28

PWM12:54 pmPortland

12h 49m

1 stop

SEA10:43 pmSeattle/Tacoma Intl

Aug 31

SEA11:55 pmSeattle/Tacoma Intl

8h 45m

1 stop

PWM11:40 amPortland

$375

Find similar

Sun Country Air

Aug 18

PWM12:46 pmPortland

13h 04m

1 stop

SEA10:50 pmSeattle/Tacoma Intl

Aug 20

SEA6:34 pmSeattle/Tacoma Intl

13h 12m

1 stop

PWM10:46 amPortland

$632

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BostonSeattle

BOS - SEA

BOSSEA

Boston Logan Intl

Thu 9/11

6:30 pm-12:05 am

1 stop8h 35m

Seattle/Tacoma Intl

Wed 9/17

9:10 pm-10:00 am

1 stop9h 50m

$150

BostonSeattle

BOS - SEA

BOSSEA

Boston Logan Intl

Tue 9/16

11:25 am-9:40 pm

1 stop13h 15m

Seattle/Tacoma Intl

Sat 9/27

11:10 pm-9:10 am

1 stop7h 00m

$156

BostonSeattle

BOS - SEA

BOSSEA

Boston Logan Intl

Sat 9/13

7:20 am-10:33 am

Nonstop6h 13m

Seattle/Tacoma Intl

Mon 9/22

3:59 pm-12:27 am

Nonstop5h 28m

$188

BostonSeattle

BOS - SEA

BOSSEA

Boston Logan Intl

Sat 9/13

7:20 am-10:33 am

Nonstop6h 13m

Seattle/Tacoma Intl

Mon 9/22

3:59 pm-12:27 am

Nonstop5h 28m

$190

BostonSeattle

BOS - SEA

BOSSEA

Boston Logan Intl

Thu 9/11

7:25 am-10:43 am

Nonstop6h 18m

Seattle/Tacoma Intl

Sat 9/20

10:05 pm-6:35 am

Nonstop5h 30m

$197

BostonSeattle

BOS - SEA

BOSSEA

Boston Logan Intl

Sat 9/13

6:45 pm-10:01 pm

Nonstop6h 16m

Seattle/Tacoma Intl

Mon 9/22

10:05 pm-6:35 am

Nonstop5h 30m

$198

BostonSeattle

BOS - SEA

BOSSEA

Boston Logan Intl

Sat 11/8

1:42 pm-11:18 pm

1 stop12h 36m

Seattle/Tacoma Intl

Tue 11/11

9:00 am-11:14 pm

1 stop11h 14m

$205

BostonSeattle

BOS - SEA

BOSSEA

Boston Logan Intl

Tue 9/16

11:28 am-8:09 pm

1 stop11h 41m

Seattle/Tacoma Intl

Sat 9/20

7:45 am-8:57 pm

1 stop10h 12m

$211

PortlandSeattle

PWM - SEA

PWMSEA

Portland

Fri 9/5

2:17 pm-10:20 pm

1 stop11h 03m

Seattle/Tacoma Intl

Sat 9/13

11:59 pm-1:22 pm

1 stop10h 23m

$238

BostonSeattle

BOS - SEA

BOSSEA

Boston Logan Intl

Fri 9/5

7:00 am-10:19 am

Nonstop6h 19m

Seattle/Tacoma Intl

Thu 9/25

11:30 am-8:23 pm

Nonstop5h 53m

$243

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 $236. 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 $398. 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 $520.

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 $332 when looking at flights departing in the evening. Flights to Seattle are more costly in the morning, with an average ticket price of $464. 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 $345 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 $314 on momondo.

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

Best Price Found	$75
Fastest flight time	6h 13m
Direct flights	Every day
Airports in Seattle	1 airport

The best one-way flight to Seattle from New Hampshire in the past 72 hours is $75. The best round-trip flight deal from New Hampshire to Seattle found on momondo in the last 72 hours is $150.

The fastest flight from New Hampshire to Seattle takes 6h 13m

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 9 as of August 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 8,917 reviews	Search United Airlines flights
American Airlines	PriceFrom $346	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Southwest	PriceFrom $379	Free Cancellation	Rating 8.0 4,247 reviews	Search Southwest flights

Leavenworth

Tacoma

SeaTac

Ocean Shores

Olympia

Renton

Kent

Federal Way

Lynnwood

Puyallup

Marysville

Tukwila

Kirkland

Lakewood

Fife

Cle Elum

Shoreline

Centralia

Westport

Redmond

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.