What is the cheapest airline that flies from Washington to New Hampshire?

American Airlines, Delta, and Southwest are the most popular carriers operating from Washington to New Hampshire

How many flights depart from State of Washington to New Hampshire on average per week?

The number of flights available between State of Washington and New Hampshire is 286 per week as of July 2025. The most frequent departure day is Thu, with 17% of weekly flights leaving on this day.

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 State of Washington according to our data. American Airlines is the first choice among our users, with 50% of people opting to fly with this airline when traveling to New Hampshire. Keep in mind that there are 4 different airlines that fly to New Hampshire on a routine basis, so you have a few additional options to choose from.

How long is the flight from State of Washington to New Hampshire?

Flight times from State of Washington to New Hampshire vary, but if you’re flying out of Seattle and flying into Manchester, New Hampshire (one of the most popular routes), then the duration is 6h 45m on average. Another popular route from State of Washington to New Hampshire is flying from Spokane to Manchester, New Hampshire, which will take roughly 12h 55m. Keep in mind that layovers or delays could extend your travel time.

When did momondo last update prices for flights from Washington to New Hampshire?

Prices for flights from Washington to New Hampshire are refreshed on a daily basis.

How many operators does momondo search for flights from Washington to New Hampshire?

The number of operators available for flights from Washington to New Hampshire is 9 as of July 2025.

How old do you have to be to fly from Washington to New Hampshire?

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 Washington to New Hampshire.

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

The required travel and health documents for your New Hampshire trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at New Hampshire. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$108 Cheap Flights from Washington to New Hampshire in 2025

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Find the cheapest flights from Washington to New Hampshire

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

11:30 am - 8:23 pmSEA-BOS

5h 53mnonstop

7:00 am - 10:19 amBOS-SEA

6h 19mnonstop

$200JetBlue

Find Deal

Sat, Sep 20 - Sat, Sep 27

3:59 pm - 12:27 amSEA-BOS

5h 28mnonstop

7:20 am - 10:33 amBOS-SEA

6h 13mnonstop

$205

Find Deal

Sat, Sep 13 - Sat, Sep 20

6:07 am - 4:46 pmPDX-BOS

7h 39m1 stop

5:00 am - 10:28 amBOS-PDX

8h 28m1 stop

$216American Airlines

Find Deal

Mon, Sep 15 - Sat, Sep 20

11:12 pm - 10:10 amPDX-BOS

7h 58m1 stop

3:46 pm - 12:05 amBOS-PDX

11h 19m1 stop

$217American Airlines

Find Deal

Tue, Sep 2 - Tue, Sep 9

1:24 pm - 12:27 amPDX-BOS

8h 03m1 stop

6:00 am - 9:09 amBOS-PDX

6h 09mnonstop

$227Alaska Airlines

Find Deal

Tue, Sep 9 - Tue, Sep 16

9:40 pm - 3:00 pmSEA-BOS

14h 20m1 stop

7:45 am - 4:51 pmBOS-SEA

12h 06m1 stop

$246Alaska Airlines

Find Deal

Mon, Sep 15 - Tue, Sep 23

9:05 pm - 8:10 amPDX-BOS

8h 05m1 stop

9:10 am - 4:25 pmBOS-PDX

10h 15m1 stop

$248Southwest

Find Deal

Mon, Sep 8 - Sat, Sep 20

11:54 pm - 11:01 amSEA-BOS

8h 07m1 stop

4:27 pm - 10:20 pmBOS-SEA

8h 53m1 stop

$252United Airlines

Find Deal

Mon, Aug 25 - Wed, Sep 3

6:10 am - 8:05 pmPDX-BOS

10h 55m1 stop

6:50 pm - 11:55 pmBOS-PDX

8h 05m1 stop

$263Southwest

Find Deal

Mon, Sep 29 - Mon, Oct 6

6:27 pm - 5:59 amPDX-BOS

8h 32m1 stop

6:10 am - 11:49 amBOS-PDX

8h 39m1 stop

$271United Airlines

Find Deal

Mon, Sep 8 - Thu, Sep 18

Hawaiian Airlines flights from State of Washington to New Hampshire

Our best Hawaiian Airlines deals on State of Washington to New Hampshire flight tickets

Hawaiian Airlines

Sep 20

SEA3:59 pmSeattle/Tacoma Intl

5h 28m

BOS12:27 amBoston Logan Intl

Sep 27

BOS6:55 pmBoston Logan Intl

6h 13m

SEA10:08 pmSeattle/Tacoma Intl

$213

Find similar

Hawaiian Airlines

Sep 20

SEA3:59 pmSeattle/Tacoma Intl

5h 28m

BOS12:27 amBoston Logan Intl

Sep 27

BOS7:20 amBoston Logan Intl

6h 13m

SEA10:33 amSeattle/Tacoma Intl

$214

Find similar

Hawaiian Airlines

Sep 20

SEA3:59 pmSeattle/Tacoma Intl

5h 28m

BOS12:27 amBoston Logan Intl

Sep 27

BOS6:55 pmBoston Logan Intl

6h 13m

SEA10:08 pmSeattle/Tacoma Intl

$215

Find similar

Delta flights from State of Washington to New Hampshire

Our best Delta deals on State of Washington to New Hampshire flight tickets

Delta

Oct 15

SEA10:05 pmSeattle/Tacoma Intl

5h 30m

BOS6:35 amBoston Logan Intl

Oct 22

BOS6:55 pmBoston Logan Intl

6h 27m

SEA10:22 pmSeattle/Tacoma Intl

$217

Find similar

Delta

Aug 30

PDX5:06 pmPortland

10h 19m

1 stop

BOS6:25 amBoston Logan Intl

Sep 3

BOS10:05 amBoston Logan Intl

9h 05m

1 stop

PDX4:10 pmPortland

$237

Find similar

Delta

Sep 19

SEA10:05 pmSeattle/Tacoma Intl

5h 30m

BOS6:35 amBoston Logan Intl

Oct 2

BOS7:25 amBoston Logan Intl

6h 18m

SEA10:43 amSeattle/Tacoma Intl

$247

Find similar

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

SeattleBoston

SEA - BOS

SEABOS

Seattle/Tacoma Intl

Sat 9/20

11:30 am-8:23 pm

Nonstop5h 53m

Boston Logan Intl

Sat 9/27

7:00 am-10:19 am

Nonstop6h 19m

$200

SeattleBoston

SEA - BOS

SEABOS

Seattle/Tacoma Intl

Sat 9/13

3:59 pm-12:27 am

Nonstop5h 28m

Boston Logan Intl

Sat 9/20

7:20 am-10:33 am

Nonstop6h 13m

$205

PortlandBoston

PDX - BOS

PDXBOS

Portland

Mon 9/15

6:07 am-4:46 pm

1 stop7h 39m

Boston Logan Intl

Sat 9/20

5:00 am-10:28 am

1 stop8h 28m

$216

PortlandBoston

PDX - BOS

PDXBOS

Portland

Tue 9/2

11:12 pm-10:10 am

1 stop7h 58m

Boston Logan Intl

Tue 9/9

3:46 pm-12:05 am

1 stop11h 19m

$217

PortlandBoston

PDX - BOS

PDXBOS

Portland

Tue 9/9

1:24 pm-12:27 am

1 stop8h 03m

Boston Logan Intl

Tue 9/16

6:00 am-9:09 am

Nonstop6h 09m

$227

SeattleBoston

SEA - BOS

SEABOS

Seattle/Tacoma Intl

Mon 9/15

9:40 pm-3:00 pm

1 stop14h 20m

Boston Logan Intl

Tue 9/23

7:45 am-4:51 pm

1 stop12h 06m

$246

PortlandBoston

PDX - BOS

PDXBOS

Portland

Mon 9/8

9:05 pm-8:10 am

1 stop8h 05m

Boston Logan Intl

Sat 9/20

9:10 am-4:25 pm

1 stop10h 15m

$248

SeattleBoston

SEA - BOS

SEABOS

Seattle/Tacoma Intl

Mon 8/25

11:54 pm-11:01 am

1 stop8h 07m

Boston Logan Intl

Wed 9/3

4:27 pm-10:20 pm

1 stop8h 53m

$252

PortlandBoston

PDX - BOS

PDXBOS

Portland

Mon 9/29

6:10 am-8:05 pm

1 stop10h 55m

Boston Logan Intl

Mon 10/6

6:50 pm-11:55 pm

1 stop8h 05m

$263

PortlandBoston

PDX - BOS

PDXBOS

Portland

Mon 9/8

6:27 pm-5:59 am

1 stop8h 32m

Boston Logan Intl

Thu 9/18

6:10 am-11:49 am

1 stop8h 39m

$271

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Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from State of Washington 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 State of Washington 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 $346. 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 $426.

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 in the afternoon. momondo users have found flights departing from State of Washington to New Hampshire in the afternoon for as low as $331. 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 $413. 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 State of Washington when booking weeks ahead of your departure date. In general, you can expect to find flights to New Hampshire for around $352 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to New Hampshire from State of Washington for as low as $308 on momondo.

Can stopping save me money on State of Washington to New Hampshire flights?

You could potentially save up to 26% on your flight if you consider stops on a State of Washington to New Hampshire flight.

Cheap State of Washington to New Hampshire flight deals and tips

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

Best Price Found	$108
Fastest flight time	5h 15m
Direct flights	Every day
Airports in New Hampshire	3 airports

The best one-way flight to New Hampshire from State of Washington in the past 72 hours is $108. The best round-trip flight deal from State of Washington to New Hampshire found on momondo in the last 72 hours is $200.

The fastest flight from State of Washington to New Hampshire takes 5h 15m

Direct flights go from State of Washington to New Hampshire every day.

There are 3 airports near New Hampshire: Boston Logan Intl (BOS), Portland (PWM), Manchester (MHT)

Search flight deals

When did momondo last update prices for flights from Washington to New Hampshire?
Prices for flights from Washington to New Hampshire are refreshed on a daily basis.
How many operators does momondo search for flights from Washington to New Hampshire?
The number of operators available for flights from Washington to New Hampshire is 9 as of July 2025.
How old do you have to be to fly from Washington to New Hampshire?
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 Washington to New Hampshire.
What documentation or ID do you need to fly to New Hampshire?
The required travel and health documents for your New Hampshire trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at New Hampshire. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from State of Washington to New Hampshire

Compare and see reviews for airlines that fly from State of Washington to New Hampshire with momondo

Airline	Rating	Free Cancellation	Price
Southwest	PriceFrom $283	Free Cancellation	Rating 8.0 4,246 reviews	Search Southwest flights
American Airlines	PriceFrom $336	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
United Airlines	PriceFrom $346	Free Cancellation	Rating 7.4 8,900 reviews	Search United Airlines 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 Washington to New Hampshire?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Washington to New Hampshire. Millions of users trust and use momondo every year so you are in good hands.

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

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

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Washington to New Hampshire.

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

If you are not ready to book a flight from Washington 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 Washington to New Hampshire from $108

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington to New Hampshire departing on 9/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

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Find the cheapest flights from Washington to New Hampshire

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

Hawaiian Airlines flights from State of Washington to New Hampshire

Our best Hawaiian Airlines deals on State of Washington to New Hampshire flight tickets

Delta flights from State of Washington to New Hampshire

Our best Delta deals on State of Washington to New Hampshire flight tickets

momondo Fare Finder

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

See travel insights to New Hampshire from

How to get the cheapest flight ticket from State of Washington 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 State of Washington 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?

Can stopping save me money on State of Washington to New Hampshire flights?

You could potentially save up to 26% on your flight if you consider stops on a State of Washington to New Hampshire flight.

What is the cheapest airline that flies from Washington to New Hampshire?

American Airlines, Delta, and Southwest are the most popular carriers operating from Washington to New Hampshire

What airlines fly to New Hampshire?

How many flights depart from State of Washington to New Hampshire on average per week?

The number of flights available between State of Washington and New Hampshire is 286 per week as of July 2025. The most frequent departure day is Thu, with 17% of weekly flights leaving on this day.

How long is the flight from State of Washington to New Hampshire?

Cheap State of Washington to New Hampshire flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

Airports in New Hampshire

When did momondo last update prices for flights from Washington to New Hampshire?

How many operators does momondo search for flights from Washington to New Hampshire?

How old do you have to be to fly from Washington to New Hampshire?

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

Best airlines flying from State of Washington to New Hampshire

Compare and see reviews for airlines that fly from State of Washington to New Hampshire with momondo

Why use momondo?

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

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

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

I’m not ready to book a flight from Washington 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