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New Hampshire

$115+ Cheap flights from Seattle (SEA) 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 5/7. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — MHT
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
1 adult, Economy
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Cheap flight deals from Seattle to New Hampshire

Keep the following information in mind while searching for Seattle to New Hampshire flight deals. Data was last updated March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$209
(Kiwi.com)

One-way from

$115
(FlightHub)

Popular in

July

Cheapest in

January

Average price

$286
Provider with most accurate pricing for Seattle/Tacoma Intl-Boston Logan Intl flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Boston Logan Intl flights.
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From Seattle/Tacoma Intl to New Hampshire
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One-way flight from Seattle/Tacoma Intl to New Hampshire
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Highest demand for flights based on searches. 27% potential increase in price ($140 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Find flight deals from Seattle to New Hampshire

Cheapest flights from Seattle to New Hampshire
Explore the most affordable flight options available from Seattle to New Hampshire. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 28, 2025.

This Kiwi.com deal was found by Cheapflights users on 3/27. 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 4/1911:30 pmSEA - BOS
Nonstop5h 22mHawaiian Airlines
Fri 4/257:00 amBOS - SEA
Nonstop6h 13mHawaiian Airlines
Deal found 3/27$209
This FlightHub deal was found by Cheapflights users on 3/27. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/76:00 amSEA - BOS
2 stops23h 41mSpirit Airlines
Mon 5/129:46 amBOS - SEA
2 stops17h 24mSpirit Airlines
Deal found 3/27$220
This Travelocity deal was found by Cheapflights users on 3/27. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/73:36 pmSEA - BOS
Nonstop5h 23mMultiple Airlines
Mon 5/129:46 amBOS - SEA
2 stops17h 24mMultiple Airlines
Deal found 3/27$222
This Alaska Airlines deal was found by Cheapflights users on 3/27. 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.
Wed 4/3011:30 pmSEA - BOS
Nonstop5h 25mAlaska Airlines
Fri 5/27:00 amBOS - SEA
Nonstop6h 13mAlaska Airlines
Deal found 3/27$237
This JetBlue deal was found by Cheapflights users on 3/26. 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.
Sun 8/2411:25 pmSEA - PWM
1 stop10h 58mJetBlue
Tue 9/22:20 pmPWM - SEA
1 stop9h 13mJetBlue
Deal found 3/26$241
This United Airlines deal was found by Cheapflights users on 3/26. 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.
Wed 5/288:00 amSEA - BOS
1 stop8h 20mUnited Airlines
Wed 6/46:00 amBOS - SEA
1 stop8h 32mUnited Airlines
Deal found 3/26$252
This JetBlue deal was found by Cheapflights users on 3/27. 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.
Thu 5/111:35 amSEA - BOS
Nonstop5h 33mJetBlue
Fri 5/22:45 pmBOS - SEA
1 stop8h 23mJetBlue
Deal found 3/27$257
This Delta deal was found by Cheapflights users on 3/28. 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.
Thu 4/37:30 amSEA - BOS
Nonstop5h 32mDelta
Sun 4/67:15 amBOS - SEA
Nonstop6h 21mDelta
Deal found 3/28$258
This American Airlines deal was found by Cheapflights users on 3/27. 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 4/231:35 pmSEA - BOS
1 stop7h 24mAmerican Airlines
Wed 4/301:47 pmBOS - SEA
1 stop12h 22mAmerican Airlines
Deal found 3/27$276
This United Airlines deal was found by Cheapflights users on 3/26. 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 5/2510:15 pmSEA - PWM
1 stop9h 18mUnited Airlines
Tue 6/32:05 pmPWM - SEA
1 stop9h 36mUnited Airlines
Deal found 3/26$337
This American Airlines deal was found by Cheapflights users on 3/25. 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.
Sat 9/610:32 pmSEA - PWM
1 stop9h 38mAmerican Airlines
Sat 9/135:18 pmPWM - SEA
1 stop8h 32mAmerican Airlines
Deal found 3/25$357
This Cheapflightsfares deal was found by Cheapflights users on 3/27. 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 4/246:25 pmSEA - BOS
1 stop13h 10mSun Country Air
Sun 4/278:45 amBOS - SEA
1 stop11h 27mSun Country Air
Deal found 3/27$363

Cheapflights Fare Finder

Customize your flight search to find flights from Seattle 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 March 28, 2025.
Use the filters below to find and compare flights from Seattle to New Hampshire that are best for you.

Fly from

Seattle

Fly to

New Hampshire

Route

Depart

Return

Price

SeattleBoston

SEA - BOS

SEABOS

Seattle/Tacoma Intl

Sat 4/19

11:30 pm-7:52 am

Nonstop5h 22m

Boston Logan Intl

Fri 4/25

7:00 am-10:13 am

Nonstop6h 13m

$209

SeattleBoston

SEA - BOS

SEABOS

Seattle/Tacoma Intl

Wed 5/7

6:00 am-8:41 am

2 stops23h 41m

Boston Logan Intl

Mon 5/12

9:46 am-12:10 am

2 stops17h 24m

$220

SeattleBoston

SEA - BOS

SEABOS

Seattle/Tacoma Intl

Wed 5/7

3:36 pm-11:59 pm

Nonstop5h 23m

Boston Logan Intl

Mon 5/12

9:46 am-12:10 am

2 stops17h 24m

$222

SeattleBoston

SEA - BOS

SEABOS

Seattle/Tacoma Intl

Mon 5/5

11:30 pm-7:55 am

Nonstop5h 25m

Boston Logan Intl

Tue 5/6

10:00 am-1:10 pm

Nonstop6h 10m

$231

SeattleBoston

SEA - BOS

SEABOS

Seattle/Tacoma Intl

Wed 5/28

8:00 am-7:20 pm

1 stop8h 20m

Boston Logan Intl

Wed 6/4

6:00 am-11:32 am

1 stop8h 32m

$252

SeattleBoston

SEA - BOS

SEABOS

Seattle/Tacoma Intl

Thu 5/1

11:35 am-8:08 pm

Nonstop5h 33m

Boston Logan Intl

Fri 5/2

2:45 pm-8:08 pm

1 stop8h 23m

$257

SeattleBoston

SEA - BOS

SEABOS

Seattle/Tacoma Intl

Sat 5/3

7:35 am-4:07 pm

Nonstop5h 32m

Boston Logan Intl

Wed 5/7

7:25 am-10:42 am

Nonstop6h 17m

$267

SeattleBoston

SEA - BOS

SEABOS

Seattle/Tacoma Intl

Wed 4/23

1:35 pm-11:59 pm

1 stop7h 24m

Boston Logan Intl

Wed 4/30

1:47 pm-11:09 pm

1 stop12h 22m

$276

SeattlePortland

SEA - PWM

SEAPWM

Seattle/Tacoma Intl

Sun 5/25

10:15 pm-10:33 am

1 stop9h 18m

Portland

Tue 6/3

2:05 pm-8:41 pm

1 stop9h 36m

$337

SeattleBoston

SEA - BOS

SEABOS

Seattle/Tacoma Intl

Thu 4/24

6:25 pm-10:35 am

1 stop13h 10m

Boston Logan Intl

Sun 4/27

8:45 am-5:12 pm

1 stop11h 27m

$363

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Showing 1-10 of 39 results
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Best time to book a flight from Seattle to New Hampshire

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

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

Find hourly flight availability from Seattle 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 March 28, 2025.

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

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 March 28, 2025.
Read reviews from past customers who have flown Southwest, Alaska Airlines and Delta from Seattle to New Hampshire. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,273 reviews

Crew

8.6

Comfort

8.1

Entertainment

7.6

Boarding

8.2

Overall

8.1

Food

7.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.1
Very good
4,273 reviews
Southwest
8.1
Very good
4,273 reviews

Crew

8.6

Comfort

8.1

Entertainment

7.6

Boarding

8.2

Overall

8.1

Food

7.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Alaska Airlines
8.0
Very good
9,798 reviews
Southwest
8.1
Very good
4,273 reviews

Crew

8.6

Comfort

8.1

Entertainment

7.6

Boarding

8.2

Overall

8.1

Food

7.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Delta
8.0
Very good
7,896 reviews
Southwest
8.1
Very good
4,273 reviews

Crew

8.6

Comfort

8.1

Entertainment

7.6

Boarding

8.2

Overall

8.1

Food

7.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Hawaiian Airlines
7.9
Good
2,335 reviews
Southwest
8.1
Very good
4,273 reviews

Crew

8.6

Comfort

8.1

Entertainment

7.6

Boarding

8.2

Overall

8.1

Food

7.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
United Airlines
7.4
Good
8,603 reviews
Southwest
8.1
Very good
4,273 reviews

Crew

8.6

Comfort

8.1

Entertainment

7.6

Boarding

8.2

Overall

8.1

Food

7.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Related info for your journey

Find useful and relevant information for your journey from Seattle 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 airport do you fly from for flights from Seattle to New Hampshire?

    Located just 11.4 mi from the city center, Seattle/Tacoma Intl (SEA) is the airport most travelers will use when flying to New Hampshire from Seattle.

  • What are the cheapest airlines to fly from Seattle to New Hampshire one-way?

    The cheapest airline one-way is Spirit Airlines, with whom users have recently found tickets for as low as $115. However, be on the lookout for offers from Hawaiian Airlines and Alaska Airlines, as they are both options that can get you from Seattle to New Hampshire for a low price.

  • What are the most popular routes from Seattle to New Hampshire?

    The most popular flight routes from Seattle to New Hampshire are Seattle/Tacoma Intl - Boston Logan Intl, Seattle/Tacoma Intl - Portland and Seattle/Tacoma Intl - Manchester.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Seattle 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 Seattle to New Hampshire?

    Currently, January is the cheapest month in which you can book a flight from Seattle to New Hampshire (average of $334). Flying from Seattle to New Hampshire in June is currently the most expensive (average of $445). 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 Seattle 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 Seattle to New Hampshire

Discover the top 4 airlines that operate flights from Seattle 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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$336Average$576FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$346Average$496FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$412Average$527FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$587Average$825FlexibilityNo cancel feeOn-time75%
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