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New Hampshire

$109+ 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 9/27. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — MHT
ago. 5 — ago. 121
mar. 8/5
mar. 8/12
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 julio 31, 2025.

Round-trip from

$205
(Kiwi.com)

One-way from

$109
(American Airlines)

Popular in

December

Cheapest in

January

Average price

$413
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, 7% potential price rise
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Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in July 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 julio 31, 2025.

This Kiwi.com deal was found by Cheapflights users on 7/30. 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.
sáb. 9/133:59 pmSEA - BOS
Nonstop5h 28mMultiple Airlines
sáb. 9/207:20 amBOS - SEA
Nonstop6h 13mMultiple Airlines
Deal found 7/30$205
This lastminute.com deal was found by Cheapflights users on 7/30. 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. 9/2011:30 amSEA - BOS
Nonstop5h 53mJetBlue
sáb. 9/277:00 amBOS - SEA
Nonstop6h 19mJetBlue
Deal found 7/30$210
This Kiwi.com deal was found by Cheapflights users on 7/29. 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.
sáb. 9/203:59 pmSEA - BOS
Nonstop5h 28mHawaiian Airlines
sáb. 9/276:55 pmBOS - SEA
Nonstop6h 13mHawaiian Airlines
Deal found 7/29$213
This American Airlines deal was found by Cheapflights users on 7/30. 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.
lun. 9/156:07 amPDX - BOS
1 stop7h 39mAmerican Airlines
sáb. 9/205:00 amBOS - PDX
1 stop8h 28mAmerican Airlines
Deal found 7/30$216
This Alaska Airlines deal was found by Cheapflights users on 7/30. 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.
mar. 9/91:24 pmPDX - BOS
1 stop8h 03mAlaska Airlines
mar. 9/166:00 amBOS - PDX
Nonstop6h 09mAlaska Airlines
Deal found 7/30$227
This Alaska Airlines deal was found by Cheapflights users on 7/31. 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.
mar. 9/163:59 pmSEA - BOS
Nonstop5h 28mAlaska Airlines
mar. 9/307:45 amBOS - SEA
1 stop10h 05mAlaska Airlines
Deal found 7/31$227
This American Airlines deal was found by Cheapflights users on 7/30. 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.
sáb. 9/2011:05 pmSEA - BOS
1 stop8h 05mAmerican Airlines
sáb. 9/272:40 pmBOS - SEA
1 stop8h 29mAmerican Airlines
Deal found 7/30$235
This Hawaiian Airlines deal was found by Cheapflights users on 7/29. 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.
mar. 9/301:24 pmPDX - BOS
1 stop8h 03mHawaiian Airlines
mar. 10/78:01 amBOS - PDX
1 stop11h 49mHawaiian Airlines
Deal found 7/29$236
This Delta deal was found by Cheapflights users on 7/31. 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.
sáb. 8/305:06 pmPDX - BOS
1 stop10h 19mDelta
mié. 9/310:05 amBOS - PDX
1 stop9h 05mDelta
Deal found 7/31$237
This Delta deal was found by Cheapflights users on 7/31. 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.
vie. 9/193:38 pmSEA - BOS
Nonstop5h 21mDelta
jue. 9/257:25 amBOS - SEA
Nonstop6h 18mDelta
Deal found 7/31$247
This Southwest deal was found by Cheapflights users on 7/30. 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.
lun. 9/89:05 pmPDX - BOS
1 stop8h 05mSouthwest
sáb. 9/209:10 amBOS - PDX
1 stop10h 15mSouthwest
Deal found 7/30$248
This United Airlines deal was found by Cheapflights users on 7/30. 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.
lun. 8/2511:54 pmSEA - BOS
1 stop8h 07mUnited Airlines
mié. 9/34:27 pmBOS - SEA
1 stop8h 53mUnited Airlines
Deal found 7/30$252

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 julio 31, 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

sáb. 9/13

3:59 pm-12:27 am

Nonstop5h 28m

Boston Logan Intl

sáb. 9/20

7:20 am-10:33 am

Nonstop6h 13m

$205

SeattleBoston

SEA - BOS

SEABOS

Seattle/Tacoma Intl

sáb. 9/20

11:30 am-8:23 pm

Nonstop5h 53m

Boston Logan Intl

sáb. 9/27

7:00 am-10:19 am

Nonstop6h 19m

$210

SeattleBoston

SEA - BOS

SEABOS

Seattle/Tacoma Intl

sáb. 9/20

3:59 pm-12:27 am

Nonstop5h 28m

Boston Logan Intl

sáb. 9/27

6:55 pm-10:08 pm

Nonstop6h 13m

$213

PortlandBoston

PDX - BOS

PDXBOS

Portland

lun. 9/15

6:07 am-4:46 pm

1 stop7h 39m

Boston Logan Intl

sáb. 9/20

5:00 am-10:28 am

1 stop8h 28m

$216

PortlandBoston

PDX - BOS

PDXBOS

Portland

mar. 9/9

1:24 pm-12:27 am

1 stop8h 03m

Boston Logan Intl

mar. 9/16

6:00 am-9:09 am

Nonstop6h 09m

$227

SeattleBoston

SEA - BOS

SEABOS

Seattle/Tacoma Intl

mar. 9/16

3:59 pm-12:27 am

Nonstop5h 28m

Boston Logan Intl

mar. 9/30

7:45 am-2:50 pm

1 stop10h 05m

$227

SeattleBoston

SEA - BOS

SEABOS

Seattle/Tacoma Intl

sáb. 9/20

11:05 pm-10:10 am

1 stop8h 05m

Boston Logan Intl

sáb. 9/27

2:40 pm-8:09 pm

1 stop8h 29m

$235

PortlandBoston

PDX - BOS

PDXBOS

Portland

mar. 9/30

1:24 pm-12:27 am

1 stop8h 03m

Boston Logan Intl

mar. 10/7

8:01 am-4:50 pm

1 stop11h 49m

$236

PortlandBoston

PDX - BOS

PDXBOS

Portland

sáb. 8/30

5:06 pm-6:25 am

1 stop10h 19m

Boston Logan Intl

mié. 9/3

10:05 am-4:10 pm

1 stop9h 05m

$237

SeattleBoston

SEA - BOS

SEABOS

Seattle/Tacoma Intl

vie. 9/19

3:38 pm-11:59 pm

Nonstop5h 21m

Boston Logan Intl

jue. 9/25

7:25 am-10:43 am

Nonstop6h 18m

$247

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

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 julio 31, 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 julio 31, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest, and Delta 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

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

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

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

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
4,246 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

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.
Delta
8.0
Very good
7,981 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

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.
Hawaiian Airlines
7.8
Good
2,611 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

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.
United Airlines
7.4
Good
8,900 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

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.

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

    $109 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on Alaska Airlines and Delta, with prices starting from $118 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 $396). 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 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 julio 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$283Average$496FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$336Average$634FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$346Average$453FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$487Average$846FlexibilityNo cancel feeOn-time75%

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