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New Hampshire

$111+ Cheap flights from Washington to New Hampshire

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 9/30. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — MHT
out 16 — out 231
qui 10/16
qui 10/23
1 adult, Economy
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Cheap flight deals from Washington to New Hampshire

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

Round-trip from

$175
(lastminute.com)

One-way from

$111
(Delta)

Popular in

December

Cheapest in

January

Average price

$337
From Washington to New Hampshire
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One-way flight from Washington to New Hampshire
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High demand for flights, 5% potential price rise
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Cheapest flight prices on average. 3% potential price decrease ($11 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 Washington to New Hampshire

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

This lastminute.com 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb 10/181:10 pmSEA - BOS
Nonstop5h 36mJetBlue
sex 10/248:20 amBOS - SEA
Nonstop6h 39mJetBlue
Deal found 9/14$175
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.
sáb 10/181:10 pmSEA - BOS
Nonstop5h 36mJetBlue
qui 10/238:20 amBOS - SEA
Nonstop6h 39mJetBlue
Deal found 9/15$187
This Alaska Airlines deal was found by Cheapflights users on 9/13. 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.
sáb 11/13:59 pmSEA - BOS
Nonstop5h 21mAlaska Airlines
ter 11/117:00 amBOS - SEA
Nonstop6h 35mAlaska Airlines
Deal found 9/13$197
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qua 10/151:10 pmSEA - BOS
Nonstop5h 36mJetBlue
qua 10/228:20 amBOS - SEA
Nonstop6h 39mJetBlue
Deal found 9/14$202
This Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qui 10/303:59 pmSEA - BOS
Nonstop5h 21mAlaska Airlines
ter 11/47:00 amBOS - SEA
Nonstop6h 35mAlaska Airlines
Deal found 9/15$205
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.
sex 10/2412:03 pmSEA - BOS
1 stop7h 47mAmerican Airlines
qui 10/307:05 amBOS - SEA
1 stop10h 43mAmerican Airlines
Deal found 9/14$207
This Southwest deal was found by Cheapflights users on 9/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qua 10/2212:40 pmPDX - BOS
1 stop7h 45mSouthwest
ter 10/285:15 amBOS - PDX
1 stop7h 45mSouthwest
Deal found 9/12$235
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
seg 10/2710:58 pmPDX - BOS
1 stop10h 02mDelta
sáb 11/15:45 amBOS - PDX
1 stop10h 05mDelta
Deal found 9/15$237
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sex 10/247:35 pmPDX - BOS
2 stops9h 50mSouthwest
ter 10/285:15 amBOS - PDX
1 stop7h 45mSouthwest
Deal found 9/15$242
This Southwest deal was found by Cheapflights users on 9/13. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sex 11/147:10 pmPDX - BOS
2 stops9h 55mSouthwest
qua 11/192:10 pmBOS - PDX
2 stops10h 50mSouthwest
Deal found 9/13$247
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb 12/67:40 amPDX - BOS
2 stops10h 10mSouthwest
seg 12/86:45 amBOS - PDX
1 stop14h 55mSouthwest
Deal found 9/14$248
This Delta deal was found by Cheapflights users on 9/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ter 9/3010:20 amPDX - BOS
1 stop10h 33mDelta
sáb 10/47:25 amBOS - PDX
1 stop10h 27mDelta
Deal found 9/12$258

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington to New Hampshire 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 setembro 16, 2025.
Use the filters below to find and compare flights from Washington to New Hampshire that are best for you.

Fly from

Washington

Fly to

New Hampshire

Route

Depart

Return

Price

SeattleBoston

SEA - BOS

SEABOS

Seattle/Tacoma Intl

qui 10/30

10:05 pm-6:35 am

Nonstop5h 30m

Boston Logan Intl

dom 11/2

7:20 am-10:45 am

Nonstop6h 25m

$217

SeattleBoston

SEA - BOS

SEABOS

Seattle/Tacoma Intl

ter 10/28

10:05 pm-6:35 am

Nonstop5h 30m

Boston Logan Intl

sex 11/7

6:55 pm-10:22 pm

Nonstop6h 27m

$217

SeattleBoston

SEA - BOS

SEABOS

Seattle/Tacoma Intl

seg 10/20

3:35 pm-11:59 pm

Nonstop5h 24m

Boston Logan Intl

ter 10/28

7:20 am-10:45 am

Nonstop6h 25m

$217

SeattleBoston

SEA - BOS

SEABOS

Seattle/Tacoma Intl

sáb 10/25

10:05 pm-6:35 am

Nonstop5h 30m

Boston Logan Intl

qua 10/29

6:55 pm-10:22 pm

Nonstop6h 27m

$217

SeattlePortland

SEA - PWM

SEAPWM

Seattle/Tacoma Intl

qua 10/29

6:00 am-4:03 pm

1 stop7h 03m

Portland

seg 11/3

4:48 pm-10:03 pm

1 stop8h 15m

$221

PortlandBoston

PDX - BOS

PDXBOS

Portland

sex 11/7

7:10 pm-5:56 am

1 stop7h 46m

Boston Logan Intl

dom 12/7

6:00 am-11:48 am

1 stop8h 48m

$237

PortlandBoston

PDX - BOS

PDXBOS

Portland

qui 12/11

10:50 am-10:45 pm

1 stop8h 55m

Boston Logan Intl

dom 12/14

6:20 pm-12:15 am

1 stop8h 55m

$237

PortlandBoston

PDX - BOS

PDXBOS

Portland

ter 11/11

6:05 am-4:05 pm

1 stop7h 00m

Boston Logan Intl

sáb 11/15

5:20 am-12:15 pm

1 stop9h 55m

$237

PortlandBoston

PDX - BOS

PDXBOS

Portland

sex 12/5

12:32 am-11:01 am

1 stop7h 29m

Boston Logan Intl

seg 12/8

1:45 pm-10:57 pm

1 stop12h 12m

$237

PortlandBoston

PDX - BOS

PDXBOS

Portland

ter 10/28

6:20 am-5:12 pm

1 stop7h 52m

Boston Logan Intl

ter 11/4

3:00 pm-8:26 pm

1 stop8h 26m

$237

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

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

Have a flexible travel schedule? Discover the best time to fly to New Hampshire from Washington 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 Washington to New Hampshire

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

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

When flying from State of Washington to New Hampshire, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing New Hampshire

Get insights into the airlines that provide service to New Hampshire. 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 New Hampshire. Reviews last updated setembro 16, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest, and American Airlines from Washington to New Hampshire to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.0

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.0

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Southwest
8.0
Very good
4,242 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.0

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.0

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Related info for your journey

Find useful and relevant information for your journey from Washington to New Hampshire. 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 State of Washington to New Hampshire?

    Delta, United Airlines, and Southwest can get you from State of Washington to New Hampshire in just under 5h 30m. Your travel time can differ by up to 3h 25m. The distance between State of Washington and New Hampshire is about 2487 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

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

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Washington to New Hampshire 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 State of Washington to New Hampshire?

    Currently, January is the cheapest month in which you can book a flight from State of Washington to New Hampshire (average of $334). Flying from State of Washington to New Hampshire in April is currently the most expensive (average of $397). 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 Washington to New Hampshire

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

Discover the top 3 airlines that operate flights from Washington to New Hampshire. 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 setembro 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$283Average$497FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$336Average$566FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$487Average$746FlexibilityNo cancel feeOn-time75%

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