Washington

$128+ 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 4/14. Fares are subject to change and may not be available on all flights or dates of travel.
MHT — SEA
Apr 16 — Apr 231
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Cheap 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 March 17, 2026.

This Southwest deal was found by Cheapflights users on 3/12. 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.
Tue 4/76:20 pm
BOS
-
PDX
1 stop7h 50m
Southwest
Tue 4/1411:55 pm
PDX
-
BOS
1 stop8h 05m
Southwest
Deal found 3/12$219
This Southwest deal was found by Cheapflights users on 3/12. 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.
Mon 4/276:55 pm
BOS
-
PDX
1 stop8h 15m
Southwest
Sat 5/27:40 pm
PDX
-
BOS
2 stops11h 15m
Southwest
Deal found 3/12$224
This Southwest deal was found by Cheapflights users on 3/13. 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.
Sat 5/21:50 pm
BOS
-
PDX
2 stops11h 15m
Southwest
Sat 5/97:40 pm
PDX
-
BOS
2 stops11h 15m
Southwest
Deal found 3/13$229
This Delta deal was found by Cheapflights users on 3/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/36:44 pm
BOS
-
PDX
1 stop8h 10m
Delta
Wed 4/812:30 am
PDX
-
BOS
1 stop7h 25m
Delta
Deal found 3/13$239
This Cheapflightsfares deal was found by Cheapflights users on 3/12. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2810:05 am
BOS
-
PDX
Nonstop6h 02m
JetBlue
Mon 6/12:30 pm
PDX
-
BOS
Nonstop5h 26m
JetBlue
Deal found 3/12$242
This Southwest deal was found by Cheapflights users on 3/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/21:50 pm
BOS
-
PDX
2 stops11h 15m
Southwest
Fri 5/810:55 am
PDX
-
BOS
2 stops9h 15m
Southwest
Deal found 3/16$249
This Southwest deal was found by Cheapflights users on 3/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/73:45 pm
BOS
-
PDX
1 stop11h 25m
Southwest
Mon 5/1111:55 pm
PDX
-
BOS
2 stops9h 20m
Southwest
Deal found 3/16$250
This United Airlines deal was found by Cheapflights users on 3/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/14:52 pm
BOS
-
SEA
1 stop9h 07m
United Airlines
Tue 5/51:07 pm
SEA
-
BOS
1 stop7h 52m
United Airlines
Deal found 3/12$252
This Southwest deal was found by Cheapflights users on 3/12. 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.
Tue 4/72:25 pm
BOS
-
PDX
2 stops11h 45m
Southwest
Mon 4/1311:55 pm
PDX
-
BOS
1 stop8h 05m
Southwest
Deal found 3/12$253
This Southwest deal was found by Cheapflights users on 3/13. 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.
Tue 4/146:20 pm
BOS
-
SEA
1 stop8h 50m
Southwest
Tue 4/2111:45 pm
SEA
-
BOS
1 stop8h 15m
Southwest
Deal found 3/13$257
This Cheapflightsfares deal was found by Cheapflights users on 3/13. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/179:55 am
BOS
-
PDX
Nonstop6h 09m
JetBlue
Mon 6/222:20 pm
PDX
-
BOS
Nonstop5h 24m
JetBlue
Deal found 3/13$257
This Southwest deal was found by Cheapflights users on 3/12. 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.
Wed 5/1310:45 am
BOS
-
PDX
2 stops13h 00m
Southwest
Tue 6/25:40 am
PDX
-
BOS
1 stop9h 55m
Southwest
Deal found 3/12$258

Find 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 March 17, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$219
(Southwest)

One-way from

$128
(American Airlines)

Popular in

December

Cheapest in

May

Average price

$334
Provider with most accurate pricing for Boston Logan Intl-Seattle/Tacoma Intl flight deals.
Provider most trusted by Cheapflights users for Boston Logan Intl-Seattle/Tacoma Intl flights.
From New Hampshire to Washington
One-way flight from New Hampshire to Washington
Highest demand for flights based on searches. 12% potential increase in price ($54 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).
Average for round-trip flights in March 2026

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 March 17, 2026.
Use the filters below to find and compare flights from New Hampshire to Washington that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonPortland

BOS - PDX

BOSPDX

Boston Logan Intl

Wed 5/13

6:00 am-11:46 am

1 stop8h 46m

Portland

Tue 6/2

7:00 pm-6:20 am

1 stop8h 20m

$239
Quickest round-trip

BostonSeattle

BOS - SEA

BOSSEA

Boston Logan Intl

Wed 5/6

7:37 am-10:55 am

Nonstop6h 18m

Seattle/Tacoma Intl

Wed 6/3

11:15 am-7:47 pm

Nonstop5h 32m

$297

BostonPortland

BOS - PDX

BOSPDX

Boston Logan Intl

Sun 5/10

6:00 am-11:46 am

1 stop8h 46m

Portland

Sun 5/17

8:11 pm-7:35 am

1 stop8h 24m

$299

PortlandSeattle

PWM - SEA

PWMSEA

Portland

Thu 4/30

4:50 pm-10:47 pm

1 stop8h 57m

Seattle/Tacoma Intl

Tue 5/5

7:36 pm-10:23 am

2 stops11h 47m

$306

BostonPortland

BOS - PDX

BOSPDX

Boston Logan Intl

Wed 5/27

6:00 am-11:46 am

1 stop8h 46m

Portland

Tue 6/9

1:38 pm-12:23 am

1 stop7h 45m

$307

BostonPortland

BOS - PDX

BOSPDX

Boston Logan Intl

Thu 5/28

4:30 pm-11:01 pm

1 stop9h 31m

Portland

Tue 6/9

1:38 pm-12:23 am

1 stop7h 45m

$307

BostonPortland

BOS - PDX

BOSPDX

Boston Logan Intl

Thu 4/30

5:15 am-2:20 pm

2 stops12h 05m

Portland

Mon 5/4

11:55 pm-12:15 pm

2 stops9h 20m

$315

PortlandSeattle

PWM - SEA

PWMSEA

Portland

Thu 4/9

6:25 am-2:54 pm

2 stops11h 29m

Seattle/Tacoma Intl

Tue 4/14

11:14 pm-12:05 pm

1 stop9h 51m

$321

BostonSeattle

BOS - SEA

BOSSEA

Boston Logan Intl

Tue 9/1

6:32 pm-9:58 pm

Nonstop6h 26m

Seattle/Tacoma Intl

Mon 9/14

5:59 pm-7:31 am

1 stop10h 32m

$322

BostonPortland

BOS - PDX

BOSPDX

Boston Logan Intl

Fri 4/24

1:35 pm-9:40 pm

2 stops11h 05m

Portland

Mon 4/27

11:55 pm-11:00 am

1 stop8h 05m

$323

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/12

Showing 1-10 of 60 resultsSorted by cheapest first
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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, October is the cheapest month in which you can book a flight from New Hampshire to State of Washington (average of $218). Flying from New Hampshire to State of Washington in March is currently the most expensive (average of $557). 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.

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 March 17, 2026.
See what other customers who have flown with Southwest,Alaska Airlines, andUnited 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.

Entertainment

7.5

Food

7.0

Comfort

8.0

Crew

8.6

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..

Entertainment

7.5

Food

7.0

Comfort

8.0

Crew

8.6

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..

Entertainment

7.5

Food

7.0

Comfort

8.0

Crew

8.6

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..

Entertainment

7.5

Food

7.0

Comfort

8.0

Crew

8.6

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..

Entertainment

7.5

Food

7.0

Comfort

8.0

Crew

8.6

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..

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 8h 46m. There are 2528 mi between New Hampshire and State of Washington. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    $162 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 Southwest and United Airlines, with prices starting from $168 and $171, 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, October is the cheapest month in which you can book a flight from New Hampshire to State of Washington (average of $218). Flying from New Hampshire to State of Washington in March is currently the most expensive (average of $557). 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

Browse thousands of different options on Cheapflights for your next trip

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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.

Top 4 airlines flying from New Hampshire to Washington

Discover the top 4 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 March 17, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$326Average$543FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$342Average$456FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$347Average$796FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$352Average$519FlexibilityNo cancel feeOn-time63%

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