$119+ 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 5/25. Fares are subject to change and may not be available on all flights or dates of travel.
MHT — SEA
Apr 29 — May 61
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
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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 April 24, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $211 (Alaska Airlines) |
One-way from | $119 (iWofly) |
Popular in | July |
Cheapest in | January |
Average price | $327 |
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 April 24, 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 April 24, 2025.
This Alaska Airlines deal was found by Cheapflights users on 4/22. 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 5/297:30 amBOS - SEA
Nonstop6h 10mAlaska Airlines
Thu 5/292:00 pmSEA - BOS
1 stop13h 10mAlaska Airlines
Deal found 4/22![Alaska Airlines logo]()
$227
This Vliegwinkel deal was found by Cheapflights users on 4/23. 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 Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/157:30 amBOS - SEA
Nonstop6h 10mHawaiian Airlines
Wed 5/213:40 pmSEA - BOS
Nonstop5h 26mHawaiian Airlines
Deal found 4/23![Hawaiian Airlines logo]()
$240
This Delta deal was found by Cheapflights users on 4/22. 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 5/297:25 amBOS - SEA
Nonstop6h 20mDelta
Fri 5/3010:11 pmSEA - BOS
Nonstop5h 29mDelta
Deal found 4/22![Delta logo]()
$247
This United Airlines deal was found by Cheapflights users on 4/23. 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.
Sat 5/312:15 pmBOS - SEA
1 stop9h 37mUnited Airlines
Wed 5/77:00 amSEA - BOS
1 stop7h 23mUnited Airlines
Deal found 4/23![United Airlines logo]()
$292
This Expedia deal was found by Cheapflights users on 4/22. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/307:47 pmBOS - SEA
2 stops21h 38mMultiple Airlines
Fri 6/63:40 pmSEA - BOS
Nonstop5h 26mMultiple Airlines
Deal found 4/22![Multiple Airlines logo]()
$295
This JetBlue deal was found by Cheapflights users on 4/23. 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.
Wed 5/217:10 amBOS - SEA
Nonstop6h 18mJetBlue
Wed 5/2811:38 amSEA - BOS
Nonstop5h 32mJetBlue
Deal found 4/23![JetBlue logo]()
$296
This American Airlines deal was found by Cheapflights users on 4/23. 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 11/52:05 pmBOS - SEA
1 stop12h 10mAmerican Airlines
Wed 11/1211:42 pmSEA - BOS
1 stop9h 22mAmerican Airlines
Deal found 4/23![American Airlines logo]()
$301
This Delta deal was found by Cheapflights users on 4/23. 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 6/45:00 pmPWM - SEA
1 stop8h 23mDelta
Wed 6/115:55 amSEA - PWM
1 stop7h 20mDelta
Deal found 4/23![Delta logo]()
$313
This American Airlines deal was found by Cheapflights users on 4/23. 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 6/34:33 pmPWM - SEA
2 stops11h 12mAmerican Airlines
Tue 6/105:32 amSEA - PWM
1 stop9h 11mAmerican Airlines
Deal found 4/23![American Airlines logo]()
$318
This Mytrip deal was found by Cheapflights users on 4/23. 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.
Wed 6/410:04 amBOS - SEA
3 stops31h 21mSpirit Airlines
Wed 6/113:20 pmSEA - BOS
2 stops17h 52mSpirit Airlines
Deal found 4/23![Spirit Airlines logo]()
$328
This Southwest deal was found by Cheapflights users on 4/23. 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 7/295:20 pmBOS - SEA
1 stop9h 45mSouthwest
Thu 8/79:10 pmSEA - BOS
1 stop8h 00mSouthwest
Deal found 4/23![Southwest logo]()
$342
This United Airlines deal was found by Cheapflights users on 4/23. 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.
Mon 6/236:45 pmMHT - SEA
1 stop9h 19mUnited Airlines
Mon 6/3011:20 pmSEA - MHT
1 stop8h 24mUnited Airlines
Deal found 4/23![United 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 April 24, 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
Wed 5/28
7:30 am-10:40 am
Nonstop6h 10m
Seattle/Tacoma Intl
Wed 5/28
2:00 pm-7:40 am
2 stops14h 40m
$211
BostonSeattle
BOS - SEA
BOSSEA
Boston Logan Intl
Thu 5/15
7:30 am-10:40 am
Nonstop6h 10m
Seattle/Tacoma Intl
Wed 5/21
3:40 pm-12:06 am
Nonstop5h 26m
$240
BostonSeattle
BOS - SEA
BOSSEA
Boston Logan Intl
Thu 5/29
7:10 am-10:28 am
Nonstop6h 18m
Seattle/Tacoma Intl
Sun 6/1
11:28 am-7:59 pm
Nonstop5h 31m
$247
BostonSeattle
BOS - SEA
BOSSEA
Boston Logan Intl
Thu 5/15
6:00 am-11:25 am
1 stop8h 25m
Seattle/Tacoma Intl
Sat 5/24
11:50 pm-11:16 am
1 stop8h 26m
$262
BostonSeattle
BOS - SEA
BOSSEA
Boston Logan Intl
Mon 6/2
7:07 pm-10:21 pm
Nonstop6h 14m
Seattle/Tacoma Intl
Tue 6/3
10:11 pm-6:40 am
Nonstop5h 29m
$272
BostonSeattle
BOS - SEA
BOSSEA
Boston Logan Intl
Fri 5/30
7:47 pm-2:25 pm
2 stops21h 38m
Seattle/Tacoma Intl
Fri 6/6
3:40 pm-12:06 am
Nonstop5h 26m
$295
BostonSeattle
BOS - SEA
BOSSEA
Boston Logan Intl
Wed 5/7
3:49 pm-12:10 am
2 stops35h 21m
Seattle/Tacoma Intl
Tue 5/20
6:00 am-4:24 pm
2 stops31h 24m
$305
PortlandSeattle
PWM - SEA
PWMSEA
Portland
Wed 6/4
5:00 pm-10:23 pm
1 stop8h 23m
Seattle/Tacoma Intl
Wed 6/11
5:55 am-4:15 pm
1 stop7h 20m
$313
PortlandSeattle
PWM - SEA
PWMSEA
Portland
Tue 6/3
4:33 pm-12:45 am
2 stops11h 12m
Seattle/Tacoma Intl
Tue 6/10
5:32 am-5:43 pm
1 stop9h 11m
$318
BostonSeattle
BOS - SEA
BOSSEA
Boston Logan Intl
Thu 5/15
5:38 pm-11:09 pm
1 stop8h 31m
Seattle/Tacoma Intl
Wed 5/21
6:20 am-4:48 pm
1 stop7h 28m
$331
Showing 1-10 of 48 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 April 24, 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 April 24, 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
Comfort
7.9
Boarding
8.2
Entertainment
7.1
Crew
8.5
Overall
8.0
Reviews
1 / 20
10.0
ExcellentCheri,Jan 2025
FAT - SEA
Food
7.1
Comfort
7.9
Boarding
8.2
Entertainment
7.1
Crew
8.5
Overall
8.0
Reviews
1 / 20
10.0
ExcellentCheri,Jan 2025
FAT - SEA
Food
7.1
Comfort
7.9
Boarding
8.2
Entertainment
7.1
Crew
8.5
Overall
8.0
Reviews
1 / 20
10.0
ExcellentCheri,Jan 2025
FAT - SEA
Food
7.1
Comfort
7.9
Boarding
8.2
Entertainment
7.1
Crew
8.5
Overall
8.0
Reviews
1 / 20
10.0
ExcellentCheri,Jan 2025
FAT - SEA
Food
7.1
Comfort
7.9
Boarding
8.2
Entertainment
7.1
Crew
8.5
Overall
8.0
Reviews
1 / 20
10.0
ExcellentCheri,Jan 2025
FAT - SEA
Food
7.1
Comfort
7.9
Boarding
8.2
Entertainment
7.1
Crew
8.5
Overall
8.0
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
Renton
Lakewood
Ocean Shores
Lacey
Leavenworth
Federal Way
Olympia
Shoreline
Cle Elum
Centralia
Kent
Aberdeen
Lynnwood
Shelton
Silverdale
Redmond
Issaquah
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 April 24, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$381 | Average$595 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$401 | Average$533 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$432 | Average$546 | FlexibilityNo cancel fee | On-time63% |