$115+ Cheap flights from New Hampshire to Seattle (SEA)
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 4/29. Fares are subject to change and may not be available on all flights or dates of travel.
MHT — SEA
avr. 5 — avr. 121
1 adult, Economy
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Find cheap flights from New Hampshire to Seattle with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from New Hampshire to Seattle
Keep the following information in mind while searching for New Hampshire to Seattle flight deals. Data was last updated mars 31, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $215 (SmartFares) |
One-way from | $115 (Mytrip) |
Popular in | July |
Cheapest in | January |
Average price | $297 |
Find flight deals from New Hampshire to Seattle
Cheapest flights from New Hampshire to SeattleExplore the most affordable flight options available from New Hampshire to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on mars 31, 2025.
Explore the most affordable flight options available from New Hampshire to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on mars 31, 2025.
This SmartFares deal was found by Cheapflights users on 3/31. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 4/257:00 amBOS - SEA
Nonstop6h 13mAlaska Airlines
ven. 5/23:49 pmSEA - BOS
Nonstop5h 23mAlaska Airlines
Deal found 3/31![Alaska Airlines logo]()
$215
This Kiwi.com deal was found by Cheapflights users on 3/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 4/257:00 amBOS - SEA
Nonstop6h 13mHawaiian Airlines
ven. 5/23:49 pmSEA - BOS
Nonstop5h 23mHawaiian Airlines
Deal found 3/31![Hawaiian Airlines logo]()
$227
This Travelocity deal was found by Cheapflights users on 3/31. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 4/305:20 pmBOS - SEA
Nonstop6h 14mMultiple Airlines
mer. 5/76:00 amSEA - BOS
2 stops23h 41mMultiple Airlines
Deal found 3/31![Multiple Airlines logo]()
$235
This JetBlue deal was found by Cheapflights users on 3/30. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 4/267:18 pmBOS - SEA
Nonstop6h 27mJetBlue
ven. 5/211:35 amSEA - BOS
Nonstop5h 33mJetBlue
Deal found 3/30![JetBlue logo]()
$238
This Mytrip deal was found by Cheapflights users on 3/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 4/2912:29 pmBOS - SEA
2 stops26h 06mSpirit Airlines
jeu. 5/18:56 pmSEA - BOS
2 stops20h 18mSpirit Airlines
Deal found 3/30![Spirit Airlines logo]()
$245
This American Airlines deal was found by Cheapflights users on 3/30. 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.
mar. 4/291:47 pmBOS - SEA
1 stop12h 22mAmerican Airlines
mar. 5/66:20 amSEA - BOS
1 stop10h 41mAmerican Airlines
Deal found 3/30![American Airlines logo]()
$255
This Delta deal was found by Cheapflights users on 3/31. 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.
mer. 5/147:07 pmBOS - SEA
Nonstop6h 14mDelta
dim. 5/1810:11 pmSEA - BOS
Nonstop5h 29mDelta
Deal found 3/31![Delta logo]()
$267
This United Airlines deal was found by Cheapflights users on 3/31. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 4/81:54 pmBOS - SEA
1 stop10h 21mUnited Airlines
jeu. 4/2411:45 pmSEA - BOS
1 stop7h 53mUnited Airlines
Deal found 3/31![United Airlines logo]()
$278
This United Airlines deal was found by Cheapflights users on 3/31. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 4/294:15 pmPWM - SEA
1 stop9h 28mUnited Airlines
lun. 5/58:50 amSEA - PWM
2 stops12h 09mUnited Airlines
Deal found 3/31![United Airlines logo]()
$330
This American Airlines deal was found by Cheapflights users on 3/30. 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.
sam. 4/264:15 pmPWM - SEA
1 stop8h 44mAmerican Airlines
lun. 5/511:59 pmSEA - PWM
1 stop8h 33mAmerican Airlines
Deal found 3/30![American Airlines logo]()
$337
This Delta deal was found by Cheapflights users on 3/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 4/262:59 pmPWM - SEA
1 stop10h 24mDelta
lun. 5/510:30 pmSEA - PWM
2 stops10h 37mDelta
Deal found 3/30![Delta logo]()
$342
This American Airlines deal was found by Cheapflights users on 3/30. 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.
mar. 6/31:00 pmMHT - SEA
1 stop9h 36mAmerican Airlines
mar. 6/1012:12 pmSEA - MHT
1 stop7h 43mAmerican Airlines
Deal found 3/30![American Airlines logo]()
$343
Cheapflights Fare Finder
Customize your flight search to find flights from New Hampshire to Seattle 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 mars 31, 2025.
Use the filters below to find and compare flights from New Hampshire to Seattle that are best for you.
Fly from
New Hampshire
Fly to
Seattle
Route
Depart
Return
Price
BostonSeattle
BOS - SEA
BOSSEA
Boston Logan Intl
ven. 4/25
7:00 am-10:13 am
Nonstop6h 13m
Seattle/Tacoma Intl
ven. 5/2
3:49 pm-12:12 am
Nonstop5h 23m
$215
BostonSeattle
BOS - SEA
BOSSEA
Boston Logan Intl
ven. 4/25
7:00 am-10:13 am
Nonstop6h 13m
Seattle/Tacoma Intl
ven. 5/2
3:49 pm-12:12 am
Nonstop5h 23m
$227
BostonSeattle
BOS - SEA
BOSSEA
Boston Logan Intl
mer. 4/30
5:20 pm-8:34 pm
Nonstop6h 14m
Seattle/Tacoma Intl
mer. 5/7
6:00 am-8:41 am
2 stops23h 41m
$235
BostonSeattle
BOS - SEA
BOSSEA
Boston Logan Intl
sam. 4/26
7:18 pm-10:45 pm
Nonstop6h 27m
Seattle/Tacoma Intl
ven. 5/2
11:35 am-8:08 pm
Nonstop5h 33m
$238
BostonSeattle
BOS - SEA
BOSSEA
Boston Logan Intl
mar. 4/29
12:29 pm-11:35 am
2 stops26h 06m
Seattle/Tacoma Intl
jeu. 5/1
8:56 pm-8:14 pm
2 stops20h 18m
$245
BostonSeattle
BOS - SEA
BOSSEA
Boston Logan Intl
mar. 4/29
1:47 pm-11:09 pm
1 stop12h 22m
Seattle/Tacoma Intl
mar. 5/6
6:20 am-8:01 pm
1 stop10h 41m
$255
BostonSeattle
BOS - SEA
BOSSEA
Boston Logan Intl
mer. 5/14
7:07 pm-10:21 pm
Nonstop6h 14m
Seattle/Tacoma Intl
dim. 5/18
10:11 pm-6:40 am
Nonstop5h 29m
$267
BostonSeattle
BOS - SEA
BOSSEA
Boston Logan Intl
lun. 6/2
7:00 pm-1:04 am
1 stop9h 04m
Seattle/Tacoma Intl
mar. 6/3
11:50 pm-11:16 am
1 stop8h 26m
$278
PortlandSeattle
PWM - SEA
PWMSEA
Portland
mar. 4/29
4:15 pm-10:43 pm
1 stop9h 28m
Seattle/Tacoma Intl
lun. 5/5
8:50 am-11:59 pm
2 stops12h 09m
$330
PortlandSeattle
PWM - SEA
PWMSEA
Portland
sam. 4/26
4:15 pm-9:59 pm
1 stop8h 44m
Seattle/Tacoma Intl
lun. 5/5
11:59 pm-11:32 am
1 stop8h 33m
$337
Showing 1-10 of 41 results
Best time to book a flight from New Hampshire to Seattle
Have a flexible travel schedule? Discover the best time to fly to Seattle 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 Seattle
What is the cheapest month to book a flight from New Hampshire to Seattle?
Currently, January is the cheapest month in which you can book a flight from New Hampshire to Seattle (average of $238). Flying from New Hampshire to Seattle in July is currently the most expensive (average of $411). 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.
What is the cheapest time of day to fly from NH to SEA?
Find hourly flight availability from New Hampshire to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated mars 31, 2025.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from New Hampshire to Seattle as you normally would.
Rainfall in Seattle by month
Plan your trip to Seattle by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Seattle ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.
Temperature in Seattle by month
Plan your trip to Seattle by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).
Reviews of airlines servicing Seattle
Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated mars 31, 2025.
Read through reviews of airlines operating flights from New Hampshire to Seattle, such as Alaska Airlines, Southwest and Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Food
7.1
Overall
8.0
Comfort
7.9
Entertainment
7.1
Crew
8.5
Boarding
8.2
Reviews
1 / 20
10.0
ExcellentCheri,Jan 2025
FAT - SEA
Food
7.1
Overall
8.0
Comfort
7.9
Entertainment
7.1
Crew
8.5
Boarding
8.2
Reviews
1 / 20
10.0
ExcellentCheri,Jan 2025
FAT - SEA
Food
7.1
Overall
8.0
Comfort
7.9
Entertainment
7.1
Crew
8.5
Boarding
8.2
Reviews
1 / 20
10.0
ExcellentCheri,Jan 2025
FAT - SEA
Food
7.1
Overall
8.0
Comfort
7.9
Entertainment
7.1
Crew
8.5
Boarding
8.2
Reviews
1 / 20
10.0
ExcellentCheri,Jan 2025
FAT - SEA
Food
7.1
Overall
8.0
Comfort
7.9
Entertainment
7.1
Crew
8.5
Boarding
8.2
Reviews
1 / 20
10.0
ExcellentCheri,Jan 2025
FAT - SEA
Food
7.1
Overall
8.0
Comfort
7.9
Entertainment
7.1
Crew
8.5
Boarding
8.2
Reviews
1 / 20
10.0
ExcellentCheri,Jan 2025
FAT - SEA
Related info for your journey
Find useful and relevant information for your journey from New Hampshire to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near New Hampshire?
Book flights to New Hampshire if you plan to visit one of these locationsSeaTac
Tukwila
Tacoma
Lakewood
Renton
Lacey
Ocean Shores
Leavenworth
Federal Way
Olympia
Cle Elum
Centralia
Mukilteo
Aberdeen
Shoreline
Lynnwood
Shelton
Silverdale
Redmond
Monroe
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for New Hampshire to Seattle
See prices for flight routes from nearby airports that may be better suited for you.
Top 3 airlines flying from New Hampshire to Seattle
Discover the top 3 airlines that operate flights from New Hampshire to Seattle. 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 mars 31, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$381 | Average$602 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$401 | Average$547 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$456 | Average$556 | FlexibilityNo cancel fee | On-time63% |