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

United Airlines, Alaska Airlines, and Southwest are the most popular carriers operating from Washington to New Hampshire

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 7h 34m on average. Another popular route from State of Washington to New Hampshire is flying from Spokane to Manchester, New Hampshire, which will take roughly 11h. 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 2 as of September 2026.

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.

$182 Cheap Flights from Washington to New Hampshire in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Washington to New Hampshire

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

10:31 am - 12:13 amSEA Seattle/Tacoma Intl-MHT Manchester

10h 42m1 stop Chicago O'Hare Intl

7:07 am - 3:43 pmMHT Manchester-SEA Seattle/Tacoma Intl

11h 36m1 stop Chicago O'Hare Intl

$363American Airlines

Thu, Oct 22 - Thu, Oct 29

10:31 am - 12:13 amSEA Seattle/Tacoma Intl-MHT Manchester

10h 42m1 stop Chicago O'Hare Intl

5:05 pm - 12:36 amMHT Manchester-SEA Seattle/Tacoma Intl

10h 31m1 stop Chicago O'Hare Intl

$363American Airlines

Wed, Oct 21 - Mon, Oct 26

11:20 am - 9:15 pmSEA Seattle/Tacoma Intl-MHT Manchester

6h 55m1 stop Chicago Midway

7:15 am - 12:50 pmMHT Manchester-SEA Seattle/Tacoma Intl

8h 35m1 stop Chicago Midway

$363Southwest

Mon, Dec 7 - Mon, Dec 14

12:10 am - 10:50 amSEA Seattle/Tacoma Intl-MHT Manchester

7h 40m1 stop Chicago Midway

6:35 pm - 12:45 amMHT Manchester-SEA Seattle/Tacoma Intl

9h 10m1 stop Chicago Midway

$363Southwest

Wed, Oct 28 - Mon, Nov 9

6:15 am - 8:35 pmSEA Seattle/Tacoma Intl-MHT Manchester

11h 20m2 stops Denver Intl Baltimore/Washington

6:35 pm - 12:45 amMHT Manchester-SEA Seattle/Tacoma Intl

9h 10m1 stop Chicago Midway

$368Southwest

Wed, Oct 28 - Mon, Nov 9

11:17 am - 12:13 amSEA Seattle/Tacoma Intl-MHT Manchester

9h 56m1 stop Chicago O'Hare Intl

7:07 am - 2:17 pmMHT Manchester-SEA Seattle/Tacoma Intl

10h 10m1 stop Chicago O'Hare Intl

$375American Airlines

Sat, Oct 17 - Fri, Oct 23

9:15 am - 10:49 pmSEA Seattle/Tacoma Intl-MHT Manchester

10h 34m1 stop Philadelphia

6:00 am - 3:44 pmMHT Manchester-SEA Seattle/Tacoma Intl

12h 44m2 stops Washington, D.C. Reagan-National Chicago O'Hare Intl

$402American Airlines

Wed, Nov 11 - Sat, Nov 14

8:25 am - 7:01 pmSEA Seattle/Tacoma Intl-MHT Manchester

7h 36m1 stop Washington, D.C. Dulles Intl

9:25 am - 6:19 pmMHT Manchester-SEA Seattle/Tacoma Intl

11h 54m2 stops Washington, D.C. Dulles Intl Newark

$490United Airlines

Sat, Oct 17 - Fri, Oct 23

9:05 am - 11:59 pmSEA Seattle/Tacoma Intl-MHT Manchester

11h 54m2 stops San Francisco Washington, D.C. Dulles Intl

2:38 pm - 8:56 pmMHT Manchester-SEA Seattle/Tacoma Intl

9h 18m1 stop Washington, D.C. Dulles Intl

$498United Airlines

Thu, Oct 29 - Tue, Nov 10

9:05 am - 11:59 pmSEA Seattle/Tacoma Intl-MHT Manchester

11h 54m2 stops San Francisco Washington, D.C. Dulles Intl

2:38 pm - 8:56 pmMHT Manchester-SEA Seattle/Tacoma Intl

9h 18m1 stop Washington, D.C. Dulles Intl

$498United Airlines

Wed, Oct 28 - Tue, Nov 10

Cheap last minute flights

Enter your travel dates to find the best prices.

8:20 am - 7:04 pmSEA Seattle/Tacoma Intl-MHT Manchester

7h 44m1 stop Philadelphia

6:00 am - 11:39 amMHT Manchester-SEA Seattle/Tacoma Intl

8h 39m1 stop Philadelphia

$871American Airlines

Thu, Oct 1 - Mon, Oct 5

10:36 pm - 10:44 amSEA Seattle/Tacoma Intl-MHT Manchester

9h 08m1 stop Charlotte Douglas

7:21 am - 3:43 pmMHT Manchester-SEA Seattle/Tacoma Intl

11h 22m2 stops Philadelphia Chicago O'Hare Intl

$941American Airlines

Thu, Oct 1 - Mon, Oct 5

12:40 pm - 11:31 pmSEA Seattle/Tacoma Intl-MHT Manchester

7h 51m1 stop Philadelphia

6:00 am - 11:55 amMHT Manchester-SEA Seattle/Tacoma Intl

8h 55m1 stop Philadelphia

$974American Airlines

Sun, Sep 27 - Tue, Oct 6

12:40 pm - 11:31 pmSEA Seattle/Tacoma Intl-MHT Manchester

7h 51m1 stop Philadelphia

2:17 pm - 11:10 pmMHT Manchester-SEA Seattle/Tacoma Intl

11h 53m1 stop Charlotte Douglas

$979American Airlines

Thu, Oct 1 - Mon, Oct 5

11:57 pm - 11:43 amSEA Seattle/Tacoma Intl-MHT Manchester

8h 46m1 stop Chicago O'Hare Intl

12:15 pm - 8:15 pmMHT Manchester-SEA Seattle/Tacoma Intl

11h 00m2 stops Washington, D.C. Reagan-National Chicago O'Hare Intl

$984American Airlines

Thu, Oct 1 - Mon, Oct 5

9:33 am - 9:56 pmSEA Seattle/Tacoma Intl-MHT Manchester

9h 23m1 stop Philadelphia

12:15 pm - 7:55 pmMHT Manchester-SEA Seattle/Tacoma Intl

10h 40m1 stop Washington, D.C. Reagan-National

$994Alaska Airlines

Fri, Oct 2 - Mon, Oct 5

7:11 am - 11:56 pmSEA Seattle/Tacoma Intl-MHT Manchester

13h 45m2 stops San Francisco Washington, D.C. Dulles Intl

2:50 pm - 1:15 amMHT Manchester-SEA Seattle/Tacoma Intl

13h 25m2 stops Washington, D.C. Dulles Intl San Francisco

$1,003United Airlines

Thu, Oct 1 - Mon, Oct 5

9:33 am - 9:56 pmSEA Seattle/Tacoma Intl-MHT Manchester

9h 23m1 stop Philadelphia

2:52 pm - 9:41 pmMHT Manchester-SEA Seattle/Tacoma Intl

9h 49m1 stop Philadelphia

$1,017Alaska Airlines

Fri, Oct 2 - Sun, Oct 4

1:13 pm - 11:58 pmSEA Seattle/Tacoma Intl-MHT Manchester

31h 45m2 stops Los Angeles Washington, D.C. Reagan-National

2:59 pm - 9:41 pmMHT Manchester-SEA Seattle/Tacoma Intl

9h 42m1 stop Philadelphia

$1,022Alaska Airlines

Thu, Oct 1 - Mon, Oct 5

10:20 am - 11:30 pmSEA Seattle/Tacoma Intl-MHT Manchester

10h 10m2 stops Chicago Midway Baltimore/Washington

7:40 am - 12:45 pmMHT Manchester-SEA Seattle/Tacoma Intl

8h 05m1 stop Chicago Midway

$1,117Southwest

Sun, Sep 27 - Tue, Oct 6

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American Airlines flights from State of Washington to New Hampshire

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

American Airlines

Oct 21

SEA10:31 amSeattle/Tacoma Intl

10h 42m

1 stop

MHT12:13 amManchester

Oct 26

MHT5:05 pmManchester

10h 31m

1 stop

SEA12:36 amSeattle/Tacoma Intl

$363

American Airlines

Oct 17

SEA11:17 amSeattle/Tacoma Intl

9h 56m

1 stop

MHT12:13 amManchester

Oct 23

MHT7:07 amManchester

10h 10m

1 stop

SEA2:17 pmSeattle/Tacoma Intl

$375

American Airlines

Nov 11

SEA9:15 amSeattle/Tacoma Intl

10h 34m

1 stop

MHT10:49 pmManchester

Nov 14

MHT6:00 amManchester

12h 44m

2 stops

SEA3:44 pmSeattle/Tacoma Intl

$402

Southwest flights from State of Washington to New Hampshire

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

Southwest

Oct 28

SEA12:10 amSeattle/Tacoma Intl

7h 40m

1 stop

MHT10:50 amManchester

Nov 11

MHT12:45 pmManchester

13h 05m

2 stops

SEA10:50 pmSeattle/Tacoma Intl

$368

Southwest

Oct 29

SEA6:50 pmSeattle/Tacoma Intl

10h 25m

2 stops

MHT8:15 amManchester

Nov 11

MHT8:15 amManchester

13h 25m

2 stops

SEA6:40 pmSeattle/Tacoma Intl

$373

Southwest

Oct 27

SEA12:10 amSeattle/Tacoma Intl

13h 30m

1 stop

MHT4:40 pmManchester

Nov 11

MHT2:10 pmManchester

12h 25m

2 stops

SEA11:35 pmSeattle/Tacoma Intl

$374

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

Cheapest round-trip

SeattleManchester

SEA Seattle/Tacoma Intl - MHT Manchester

SEAMHT

Seattle/Tacoma Intl

Thu 10/22

10:31 am-12:13 am

1 stop10h 42m

Manchester

Thu 10/29

7:07 am-3:43 pm

1 stop11h 36m

$363

SeattleManchester

SEA Seattle/Tacoma Intl - MHT Manchester

SEAMHT

Seattle/Tacoma Intl

Wed 10/21

10:31 am-12:13 am

1 stop10h 42m

Manchester

Mon 10/26

5:05 pm-12:36 am

1 stop10h 31m

$363

Quickest round-trip

SeattleManchester

SEA Seattle/Tacoma Intl - MHT Manchester

SEAMHT

Seattle/Tacoma Intl

Mon 12/7

11:20 am-9:15 pm

1 stop6h 55m

Manchester

Mon 12/14

7:15 am-12:50 pm

1 stop8h 35m

$363

SeattleManchester

SEA Seattle/Tacoma Intl - MHT Manchester

SEAMHT

Seattle/Tacoma Intl

Wed 10/28

12:10 am-10:50 am

1 stop7h 40m

Manchester

Mon 11/9

6:35 pm-12:45 am

1 stop9h 10m

$363

SeattleManchester

SEA Seattle/Tacoma Intl - MHT Manchester

SEAMHT

Seattle/Tacoma Intl

Wed 10/28

6:15 am-8:35 pm

2 stops11h 20m

Manchester

Mon 11/9

6:35 pm-12:45 am

1 stop9h 10m

$368

SeattleManchester

SEA Seattle/Tacoma Intl - MHT Manchester

SEAMHT

Seattle/Tacoma Intl

Sat 10/17

11:17 am-12:13 am

1 stop9h 56m

Manchester

Fri 10/23

7:07 am-2:17 pm

1 stop10h 10m

$375

SeattleManchester

SEA Seattle/Tacoma Intl - MHT Manchester

SEAMHT

Seattle/Tacoma Intl

Wed 11/11

9:15 am-10:49 pm

1 stop10h 34m

Manchester

Sat 11/14

6:00 am-3:44 pm

2 stops12h 44m

$402

SeattleManchester

SEA Seattle/Tacoma Intl - MHT Manchester

SEAMHT

Seattle/Tacoma Intl

Sat 10/17

8:25 am-7:01 pm

1 stop7h 36m

Manchester

Fri 10/23

9:25 am-6:19 pm

2 stops11h 54m

$490

SeattleManchester

SEA Seattle/Tacoma Intl - MHT Manchester

SEAMHT

Seattle/Tacoma Intl

Thu 10/29

9:05 am-11:59 pm

2 stops11h 54m

Manchester

Tue 11/10

2:38 pm-8:56 pm

1 stop9h 18m

$498

SeattleManchester

SEA Seattle/Tacoma Intl - MHT Manchester

SEAMHT

Seattle/Tacoma Intl

Wed 10/28

9:05 am-11:59 pm

2 stops11h 54m

Manchester

Tue 11/10

2:38 pm-8:56 pm

1 stop9h 18m

$498

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 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 April is another great option to travel to New Hampshire, with average flight prices from State of Washington averaging around $378.

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 $422. 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 $544.

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 evening. momondo users have found flights departing from State of Washington to New Hampshire in the evening for as low as $425. 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 $502. 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 from Washington 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 $433 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 $374 on momondo.

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

You could potentially save up to 22% 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	$182
Fastest flight time	5h 20m
Direct flights	None

The best one-way flight to New Hampshire from State of Washington in the past 72 hours is $182. The best round-trip flight deal from State of Washington to New Hampshire found on momondo in the last 72 hours is $363.

The fastest flight from State of Washington to New Hampshire takes 5h 20m

There are no direct flights from State of Washington to New Hampshire. There are no popular flight routes from State of Washington to New Hampshire.

Search flight deals

Frequently asked questions about flying from Washington to New Hampshire

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 2 as of September 2026.
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
American Airlines	PriceFrom $368	Free Cancellation	Rating 7.0 12,097 reviews		Search American Airlines flights
Southwest	PriceFrom $416	Free Cancellation	Rating 8.0 4,202 reviews		Search Southwest 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.