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$109+ Cheap flights from New Hampshire to Washington

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/3. Fares are subject to change and may not be available on all flights or dates of travel.
MHT — SEA
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheap flight deals from New Hampshire to Washington

Keep the following information in mind while searching for New Hampshire to Washington flight deals. Data was last updated September 16, 2025.

Round-trip from

$189
(KAYAK)

One-way from

$109
(JetBlue)

Popular in

August

Cheapest in

January

Average price

$337
From New Hampshire to Washington
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One-way flight from New Hampshire to Washington
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Highest demand for flights based on searches. 14% potential increase in price ($56 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from New Hampshire to Washington

Cheapest flights from New Hampshire to Washington
Explore the most affordable flight options available from New Hampshire to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

This KAYAK deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/57:00 amBOS - SEA
Nonstop6h 35mAlaska Airlines
Sat 11/153:59 pmSEA - BOS
Nonstop5h 21mAlaska Airlines
Deal found 9/16$189
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/239:20 amBOS - SEA
Nonstop6h 16mMultiple Airlines
Fri 10/313:59 pmSEA - BOS
Nonstop5h 21mMultiple Airlines
Deal found 9/15$193
This American Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/57:30 amBOS - SEA
1 stop11h 01mAmerican Airlines
Mon 11/1011:20 pmSEA - BOS
1 stop10h 02mAmerican Airlines
Deal found 9/16$195
This Hawaiian Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/117:00 amBOS - SEA
Nonstop6h 35mHawaiian Airlines
Sat 11/153:59 pmSEA - BOS
Nonstop5h 21mHawaiian Airlines
Deal found 9/15$197
This KAYAK deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/59:00 amBOS - SEA
Nonstop6h 35mAlaska Airlines
Sun 11/1611:10 pmSEA - BOS
Nonstop5h 19mAlaska Airlines
Deal found 9/16$199
This American Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/315:30 amBOS - SEA
1 stop10h 15mAmerican Airlines
Tue 11/111:35 pmSEA - BOS
1 stop7h 24mAmerican Airlines
Deal found 9/16$201
This JetBlue deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/188:20 amBOS - SEA
Nonstop6h 39mJetBlue
Tue 10/211:10 pmSEA - BOS
Nonstop5h 36mJetBlue
Deal found 9/15$202
This Kiwi.com deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/17:00 amBOS - SEA
Nonstop6h 35mHawaiian Airlines
Mon 11/1711:10 pmSEA - BOS
Nonstop5h 19mHawaiian Airlines
Deal found 9/16$204
This Alaska Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/307:00 amBOS - SEA
Nonstop6h 35mAlaska Airlines
Mon 11/311:10 pmSEA - BOS
Nonstop5h 19mAlaska Airlines
Deal found 9/15$207
This American Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/233:54 pmBOS - SEA
1 stop11h 33mAmerican Airlines
Fri 10/3111:04 amSEA - BOS
1 stop9h 54mAmerican Airlines
Deal found 9/14$208
This Kissandfly.com deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/238:20 amBOS - SEA
Nonstop6h 39mJetBlue
Fri 10/3110:05 pmSEA - BOS
Nonstop5h 30mJetBlue
Deal found 9/16$210
This American Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/308:35 amBOS - SEA
1 stop8h 24mAmerican Airlines
Fri 10/311:05 pmSEA - BOS
1 stop10h 18mAmerican Airlines
Deal found 9/16$212

Cheapflights Fare Finder

 
Customize your flight search to find flights from New Hampshire to Washington that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 16, 2025.
Use the filters below to find and compare flights from New Hampshire to Washington that are best for you.

Fly from

New Hampshire

Fly to

Washington

Route

Depart

Return

Price

BostonSeattle

BOS - SEA

BOSSEA

Boston Logan Intl

Wed 11/12

7:00 am-10:35 am

Nonstop6h 35m

Seattle/Tacoma Intl

Sun 11/16

3:59 pm-12:20 am

Nonstop5h 21m

$197

BostonSeattle

BOS - SEA

BOSSEA

Boston Logan Intl

Tue 11/11

7:00 am-10:35 am

Nonstop6h 35m

Seattle/Tacoma Intl

Sat 11/15

3:59 pm-12:20 am

Nonstop5h 21m

$197

BostonSeattle

BOS - SEA

BOSSEA

Boston Logan Intl

Sat 11/15

9:00 am-12:35 pm

Nonstop6h 35m

Seattle/Tacoma Intl

Mon 11/17

3:59 pm-12:20 am

Nonstop5h 21m

$207

BostonSeattle

BOS - SEA

BOSSEA

Boston Logan Intl

Thu 10/30

7:20 am-10:45 am

Nonstop6h 25m

Seattle/Tacoma Intl

Thu 11/6

7:50 am-4:22 pm

Nonstop5h 32m

$217

BostonSeattle

BOS - SEA

BOSSEA

Boston Logan Intl

Fri 10/31

11:10 am-2:28 pm

Nonstop6h 18m

Seattle/Tacoma Intl

Fri 11/7

10:05 pm-6:35 am

Nonstop5h 30m

$217

PortlandSeattle

PWM - SEA

PWMSEA

Portland

Tue 11/11

4:53 pm-10:14 pm

1 stop8h 21m

Seattle/Tacoma Intl

Tue 11/18

11:10 pm-1:50 pm

2 stops11h 40m

$226

BostonSeattle

BOS - SEA

BOSSEA

Boston Logan Intl

Thu 11/13

6:23 pm-9:51 pm

Nonstop6h 28m

Seattle/Tacoma Intl

Mon 11/17

8:07 pm-5:55 pm

1 stop18h 48m

$227

BostonPortland

BOS - PDX

BOSPDX

Boston Logan Intl

Wed 10/29

8:00 am-2:46 pm

1 stop9h 46m

Portland

Sun 11/2

7:10 pm-5:56 am

1 stop7h 46m

$237

BostonPortland

BOS - PDX

BOSPDX

Boston Logan Intl

Fri 11/7

6:20 pm-12:15 am

1 stop8h 55m

Portland

Mon 11/10

5:45 am-6:40 pm

1 stop9h 55m

$237

BostonPortland

BOS - PDX

BOSPDX

Boston Logan Intl

Wed 11/19

6:45 am-1:30 pm

1 stop9h 45m

Portland

Wed 12/3

6:15 am-4:45 pm

1 stop7h 30m

$237

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 60 results
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Best time to book a flight from New Hampshire to Washington

Have a flexible travel schedule? Discover the best time to fly to Washington from New Hampshire with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from New Hampshire to Washington

What is the cheapest month to book a flight from New Hampshire to State of Washington?

Currently, January is the cheapest month in which you can book a flight from New Hampshire to State of Washington (average of $238). Flying from New Hampshire to State of Washington in June is currently the most expensive (average of $387). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from NH to WA?

Find hourly flight availability from New Hampshire to Washington. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 16, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from New Hampshire to State of Washington as you normally would.

Reviews of airlines servicing Washington

Get insights into the airlines that provide service to Washington. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Washington. Reviews last updated September 16, 2025.
See what other customers who have flown with Southwest, United Airlines, and American Airlines from New Hampshire to Washington have to say. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Overall

8.0

Boarding

8.1

Entertainment

7.5

Food

7.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,242 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Overall

8.0

Boarding

8.1

Entertainment

7.5

Food

7.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
8,924 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Overall

8.0

Boarding

8.1

Entertainment

7.5

Food

7.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Overall

8.0

Boarding

8.1

Entertainment

7.5

Food

7.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

Find useful and relevant information for your journey from New Hampshire to Washington. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    Departing from New Hampshire to State of Washington will take you 6h 25m. There are 2487 mi between New Hampshire and State of Washington. Most flights are nonstop.

  • What are the cheapest airlines to fly from New Hampshire to State of Washington one-way?

    $109 is the cheapest one-way deal found within the past few days, from Southwest. You may also be able to find cheap deals on Delta and United Airlines, with prices starting from $109 and $119, respectively.

  • Can I find deals for flights from New Hampshire to Washington that include hotel bookings?

    Yes. In addition to deals on New Hampshire to Washington flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from New Hampshire to Washington?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from New Hampshire to Washington.

  • Can I find deals for business class flights from New Hampshire to Washington?

    Yes. Cheapflights offers flight deals from New Hampshire to Washington by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from New Hampshire to State of Washington?

    Currently, January is the cheapest month in which you can book a flight from New Hampshire to State of Washington (average of $238). Flying from New Hampshire to State of Washington in June is currently the most expensive (average of $387). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for New Hampshire to Washington

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from New Hampshire to Washington

Discover the top 3 airlines that operate flights from New Hampshire to Washington. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$326Average$579FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$342Average$416FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$352Average$449FlexibilityNo cancel feeOn-time63%

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