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New Hampshire

$100+ 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 9/16. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — MHT
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$197
(JetBlue)

One-way from

$100
(Delta)

Popular in

August

Cheapest in

January

Average price

$458
From Washington to New Hampshire
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One-way flight from Washington to New Hampshire
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Highest demand for flights based on searches. 17% potential increase in price ($74 potential increase over avg. RT price).
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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 June 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 June 12, 2025.

This JetBlue deal was found by Cheapflights users on 6/10. 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.
Tue 7/1511:40 pmPDX - BOS
Nonstop5h 20mJetBlue
Tue 7/226:55 pmBOS - PDX
Nonstop6h 20mJetBlue
Deal found 6/10$197
This Delta deal was found by Cheapflights users on 6/10. 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.
Wed 9/2410:00 pmSEA - BOS
Nonstop5h 34mDelta
Sat 10/47:05 amBOS - SEA
Nonstop6h 40mDelta
Deal found 6/10$197
This KAYAK deal was found by Cheapflights users on 6/12. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/273:59 pmSEA - BOS
Nonstop5h 24mHawaiian Airlines
Tue 9/306:40 pmBOS - SEA
Nonstop6h 10mHawaiian Airlines
Deal found 6/12$198
This Delta deal was found by Cheapflights users on 6/10. 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.
Wed 8/135:30 pmGEG - BOS
1 stop10h 00mDelta
Thu 8/217:25 amBOS - GEG
1 stop8h 16mDelta
Deal found 6/10$199
This American Airlines deal was found by Cheapflights users on 6/11. 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.
Mon 9/2212:35 pmGEG - BOS
1 stop8h 07mAmerican Airlines
Mon 9/296:00 amBOS - GEG
2 stops9h 44mAmerican Airlines
Deal found 6/11$204
This JetBlue deal was found by Cheapflights users on 6/10. 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 9/2011:30 amSEA - BOS
Nonstop5h 33mJetBlue
Sat 9/277:00 amBOS - SEA
Nonstop6h 19mJetBlue
Deal found 6/10$207
This Delta deal was found by Cheapflights users on 6/12. 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.
Wed 9/101:46 pmPDX - BOS
1 stop7h 33mDelta
Sat 9/138:05 amBOS - PDX
1 stop11h 02mDelta
Deal found 6/12$217
This American Airlines deal was found by Cheapflights users on 6/11. 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 8/510:43 pmSEA - BOS
1 stop8h 31mAmerican Airlines
Tue 8/1211:14 amBOS - SEA
1 stop11h 48mAmerican Airlines
Deal found 6/11$220
This Southwest deal was found by Cheapflights users on 6/9. 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.
Thu 7/35:30 amPDX - BOS
1 stop12h 40mSouthwest
Wed 7/95:20 pmBOS - PDX
1 stop9h 35mSouthwest
Deal found 6/9$222
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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.
Fri 7/255:30 pmPDX - BOS
1 stop11h 00mAlaska Airlines
Wed 7/306:32 pmBOS - PDX
1 stop8h 27mAlaska Airlines
Deal found 6/10$226
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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 9/47:56 amSEA - BOS
1 stop19h 04mAlaska Airlines
Tue 9/95:37 pmBOS - SEA
1 stop7h 52mAlaska Airlines
Deal found 6/10$236
This United Airlines deal was found by Cheapflights users on 6/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/1711:59 pmPDX - BOS
1 stop8h 00mUnited Airlines
Wed 8/205:05 pmBOS - PDX
1 stop8h 37mUnited Airlines
Deal found 6/10$237

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 June 12, 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

PortlandBoston

PDX - BOS

PDXBOS

Portland

Tue 7/15

11:40 pm-8:00 am

Nonstop5h 20m

Boston Logan Intl

Wed 7/23

6:55 pm-10:15 pm

Nonstop6h 20m

$197

SeattleBoston

SEA - BOS

SEABOS

Seattle/Tacoma Intl

Wed 9/3

3:59 pm-12:23 am

Nonstop5h 24m

Boston Logan Intl

Sat 9/6

6:40 pm-9:50 pm

Nonstop6h 10m

$197

SpokaneBoston

GEG - BOS

GEGBOS

Spokane

Wed 8/13

5:30 pm-6:30 am

1 stop10h 00m

Boston Logan Intl

Thu 8/21

7:25 am-12:41 pm

1 stop8h 16m

$199

SpokaneBoston

GEG - BOS

GEGBOS

Spokane

Mon 9/22

12:35 pm-11:42 pm

1 stop8h 07m

Boston Logan Intl

Mon 9/29

6:00 am-12:44 pm

2 stops9h 44m

$204

PortlandBoston

PDX - BOS

PDXBOS

Portland

Wed 9/10

1:46 pm-12:19 am

1 stop7h 33m

Boston Logan Intl

Sat 9/13

8:05 am-4:07 pm

1 stop11h 02m

$217

SeattleBoston

SEA - BOS

SEABOS

Seattle/Tacoma Intl

Tue 8/5

10:43 pm-10:14 am

1 stop8h 31m

Boston Logan Intl

Tue 8/12

11:14 am-8:02 pm

1 stop11h 48m

$220

PortlandBoston

PDX - BOS

PDXBOS

Portland

Thu 7/3

5:30 am-9:10 pm

1 stop12h 40m

Boston Logan Intl

Wed 7/9

5:20 pm-11:55 pm

1 stop9h 35m

$222

PortlandBoston

PDX - BOS

PDXBOS

Portland

Fri 7/25

5:30 pm-7:30 am

1 stop11h 00m

Boston Logan Intl

Wed 7/30

6:32 pm-11:59 pm

1 stop8h 27m

$226

SeattleBoston

SEA - BOS

SEABOS

Seattle/Tacoma Intl

Thu 9/4

7:56 am-6:00 am

1 stop19h 04m

Boston Logan Intl

Tue 9/9

5:37 pm-10:29 pm

1 stop7h 52m

$236

PortlandBoston

PDX - BOS

PDXBOS

Portland

Sun 8/17

11:59 pm-10:59 am

1 stop8h 00m

Boston Logan Intl

Wed 8/20

5:05 pm-10:42 pm

1 stop8h 37m

$237

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

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 June 12, 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 June 12, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest and Delta from Washington to New Hampshire by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

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

    $100 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on Alaska Airlines and Hawaiian Airlines, with prices starting from $105 and $109, 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 July is currently the most expensive (average of $399). 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

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Top 4 airlines flying from Washington to New Hampshire

Discover the top 4 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$336Average$646FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$346Average$453FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$416Average$536FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$487Average$807FlexibilityNo cancel feeOn-time75%

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