$156+ Cheap flights from Seattle (SEA) to New Hampshire
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/10. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — MHT
Nov 21 — Nov 281
Round-trip
1 adult, Economy
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Find cheap flights from Seattle to New Hampshire 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 Seattle to New Hampshire
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Last-minute
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Cheapest flights from Seattle to New HampshireExplore 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 October 22, 2026.
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 October 22, 2026.
This Southwest deal was found by Cheapflights users on 10/21. 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 11/196:30 am -
1 stop7h 30m
Thu 11/267:00 am -
1 stop9h 00m
Deal found 10/21![Southwest logo]()
$312
This Southwest deal was found by Cheapflights users on 10/19. 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 12/911:20 am -
1 stop7h 00m
Wed 12/162:10 pm -
2 stops12h 25m
Deal found 10/19![Southwest logo]()
$318
This United Airlines deal was found by Cheapflights users on 10/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/911:15 pm -
2 stops11h 48m
Wed 11/189:25 am -
2 stops14h 54m
Deal found 10/22![United Airlines logo]()
$321
This Southwest deal was found by Cheapflights users on 10/22. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/95:30 am -
1 stop8h 10m
Wed 11/185:50 pm -
1 stop8h 45m
Deal found 10/22![Southwest logo]()
$330
This Southwest deal was found by Cheapflights users on 10/20. 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 11/186:30 am -
1 stop7h 30m
Wed 11/256:55 pm -
1 stop9h 25m
Deal found 10/20![Southwest logo]()
$399
This Southwest deal was found by Cheapflights users on 10/21. 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.
Fri 11/135:30 am -
1 stop8h 10m
Sun 11/226:40 pm -
1 stop8h 55m
Deal found 10/21![Southwest logo]()
$433
This American Airlines deal was found by Cheapflights users on 10/19. 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.
Thu 12/245:45 am -
1 stop9h 54m
Sat 1/93:43 pm -
1 stop9h 47m
Deal found 10/19![American Airlines logo]()
$441
This United Airlines deal was found by Cheapflights users on 10/21. 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.
Tue 11/106:30 am -
2 stops14h 29m
Mon 11/232:38 pm -
1 stop9h 18m
Deal found 10/21![United Airlines logo]()
$446
This Expedia deal was found by Cheapflights users on 10/19. 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.
Tue 11/39:20 pm -
1 stop9h 29m
Sat 11/71:25 pm -
1 stop9h 34m
Deal found 10/19![Multiple Airlines logo]()
$860
This Expedia deal was found by Cheapflights users on 10/21. 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.
Mon 11/29:20 pm -
1 stop9h 29m
Mon 11/910:44 am -
2 stops15h 16m
Deal found 10/21![Multiple Airlines logo]()
$929
Best flights from Seattle to New HampshireDiscover carefully curated flight deals from Seattle to New Hampshire that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 22, 2026.
Discover carefully curated flight deals from Seattle to New Hampshire that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 22, 2026.
This Southwest deal was found by Cheapflights users on 10/21. 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 11/196:30 am -
1 stop7h 30m
Thu 11/267:00 am -
1 stop9h 00m
Deal found 10/21![Southwest logo]()
$312
This United Airlines deal was found by Cheapflights users on 10/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/911:15 pm -
2 stops11h 48m
Wed 11/189:25 am -
2 stops14h 54m
Deal found 10/22![United Airlines logo]()
$321
This Southwest deal was found by Cheapflights users on 10/22. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/95:30 am -
1 stop8h 10m
Wed 11/185:50 pm -
1 stop8h 45m
Deal found 10/22![Southwest logo]()
$330
This Expedia deal was found by Cheapflights users on 10/19. 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.
Tue 11/39:20 pm -
1 stop9h 29m
Sat 11/71:25 pm -
1 stop9h 34m
Deal found 10/19![Multiple Airlines logo]()
$860
This Southwest deal was found by Cheapflights users on 10/20. 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 11/186:30 am -
1 stop7h 30m
Wed 11/256:55 pm -
1 stop9h 25m
Deal found 10/20![Southwest logo]()
$399
This Southwest deal was found by Cheapflights users on 10/19. 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 11/75:30 am -
2 stops10h 10m
Fri 11/136:35 pm -
1 stop9h 10m
Deal found 10/19![Southwest logo]()
$478
This United Airlines deal was found by Cheapflights users on 10/18. 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 11/69:05 am -
2 stops11h 54m
Sun 11/82:38 pm -
2 stops13h 21m
Deal found 10/18![United Airlines logo]()
$598
This Southwest deal was found by Cheapflights users on 10/22. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/135:30 am -
1 stop8h 10m
Sat 11/211:15 pm -
2 stops12h 50m
Deal found 10/22![Southwest logo]()
$522
This Southwest deal was found by Cheapflights users on 10/17. 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 11/141:05 pm -
2 stops16h 05m
Sat 11/217:00 pm -
1 stop8h 45m
Deal found 10/17![Southwest logo]()
$528
This Expedia deal was found by Cheapflights users on 10/21. 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.
Mon 11/29:20 pm -
1 stop9h 29m
Mon 11/910:44 am -
2 stops15h 16m
Deal found 10/21![Multiple Airlines logo]()
$929
This Southwest deal was found by Cheapflights users on 10/21. 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 12/176:45 am -
2 stops10h 45m
Sat 1/27:00 pm -
1 stop8h 45m
Deal found 10/21![Southwest logo]()
$584
This Southwest deal was found by Cheapflights users on 10/18. 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.
Fri 11/65:30 am -
1 stop8h 10m
Sun 11/86:35 pm -
1 stop9h 10m
Deal found 10/18![Southwest logo]()
$587
This Southwest deal was found by Cheapflights users on 10/20. 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 11/411:20 am -
1 stop7h 00m
Sun 11/86:35 pm -
1 stop9h 10m
Deal found 10/20![Southwest logo]()
$627
Last-minute flights from Seattle to New HampshireDiscover last-minute flight deals from Seattle to New Hampshire. Data last updated October 22, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to New Hampshire. Data last updated October 22, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 10/21. 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.
Mon 11/29:20 pm -
1 stop9h 29m
Mon 11/910:44 am -
2 stops15h 16m
Deal found 10/21![Multiple Airlines logo]()
$929
This Expedia deal was found by Cheapflights users on 10/19. 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.
Tue 11/39:20 pm -
1 stop9h 29m
Sat 11/71:25 pm -
1 stop9h 34m
Deal found 10/19![Multiple Airlines logo]()
$860
This Southwest deal was found by Cheapflights users on 10/21. 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 11/59:10 am -
2 stops11h 45m
Mon 11/96:35 pm -
1 stop9h 10m
Deal found 10/21![Southwest logo]()
$474
This Southwest deal was found by Cheapflights users on 10/19. 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.
Fri 11/612:15 am -
1 stop7h 40m
Fri 11/136:35 pm -
1 stop9h 10m
Deal found 10/19![Southwest logo]()
$473
This United Airlines deal was found by Cheapflights users on 10/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/911:15 pm -
2 stops11h 48m
Wed 11/189:25 am -
2 stops14h 54m
Deal found 10/22![United Airlines logo]()
$321
This Southwest deal was found by Cheapflights users on 10/22. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/95:30 am -
1 stop8h 10m
Wed 11/185:50 pm -
1 stop8h 45m
Deal found 10/22![Southwest logo]()
$330
This United Airlines deal was found by Cheapflights users on 10/21. 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.
Tue 11/1010:50 am -
2 stops10h 09m
Tue 11/172:38 pm -
1 stop9h 18m
Deal found 10/21![United Airlines logo]()
$446
This Southwest deal was found by Cheapflights users on 10/21. 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.
Fri 11/135:30 am -
1 stop8h 10m
Sun 11/226:40 pm -
1 stop8h 55m
Deal found 10/21![Southwest logo]()
$433
This Southwest deal was found by Cheapflights users on 10/20. 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 11/186:30 am -
1 stop7h 30m
Wed 11/256:55 pm -
1 stop9h 25m
Deal found 10/20![Southwest logo]()
$399
This Southwest deal was found by Cheapflights users on 10/21. 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 11/196:30 am -
1 stop7h 30m
Thu 11/267:00 am -
1 stop9h 00m
Deal found 10/21![Southwest logo]()
$312
One-way flights from Seattle to New HampshireSearch for one-way flight options from Seattle to New Hampshire. Find affordable one-way fares based on user searches. Data last updated October 22, 2026.
Search for one-way flight options from Seattle to New Hampshire. Find affordable one-way fares based on user searches. Data last updated October 22, 2026.
This Southwest deal was found by Cheapflights users on 10/22. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/95:30 am -
1 stop8h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Southwest logo]()
$156
This United Airlines deal was found by Cheapflights users on 10/19. 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 11/911:15 pm -
2 stops11h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![United Airlines logo]()
$161
This American Airlines deal was found by Cheapflights users on 10/21. 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.
Fri 11/1311:16 am -
1 stop8h 38m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![American Airlines logo]()
$206
This United Airlines deal was found by Cheapflights users on 10/19. 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.
Thu 11/129:05 am -
2 stops11h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![United Airlines logo]()
$220
This American Airlines deal was found by Cheapflights users on 10/21. 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 11/109:15 am -
1 stop10h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![American Airlines logo]()
$221
This United Airlines deal was found by Cheapflights users on 10/21. 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.
Tue 11/107:00 am -
2 stops13h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![United Airlines logo]()
$226
This Kiwi.com deal was found by Cheapflights users on 10/21. 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.
Wed 12/164:58 pm -
3 stops37h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Multiple Airlines logo]()
$236
This Southwest deal was found by Cheapflights users on 10/22. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/105:40 am -
2 stops12h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Southwest logo]()
$249
This American Airlines deal was found by Cheapflights users on 10/21. 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.
Thu 11/129:15 am -
1 stop10h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![American Airlines logo]()
$287
This American Airlines deal was found by Cheapflights users on 10/18. 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 11/179:15 am -
1 stop10h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/18![American Airlines logo]()
$309
This United Airlines deal was found by Cheapflights users on 10/18. 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.
Tue 11/179:05 am -
2 stops11h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/18![United Airlines logo]()
$314
Find 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 October 22, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $312 (Southwest) |
One-way from | $156 (Southwest) |
Popular in | December |
Cheapest in | May |
Average price | $447 |
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 7,457,451 searches. Data last updated October 22, 2026.
Use the filters below to find and compare flights from Seattle to New Hampshire that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
SeattleManchester
SEA Seattle/Tacoma Intl - MHT Manchester
SEAMHT
Seattle/Tacoma Intl
Thu 12/10
11:20 am-9:20 pm
1 stop7h 00m
Manchester
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$156
SeattleManchester
SEA Seattle/Tacoma Intl - MHT Manchester
SEAMHT
Seattle/Tacoma Intl
Mon 11/23
12:45 pm-10:59 pm
1 stop7h 14m
Manchester
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$156
SeattleManchester
SEA Seattle/Tacoma Intl - MHT Manchester
SEAMHT
Seattle/Tacoma Intl
Mon 11/9
11:15 pm-2:03 pm
2 stops11h 48m
Manchester
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$161
SeattleManchester
SEA Seattle/Tacoma Intl - MHT Manchester
SEAMHT
Seattle/Tacoma Intl
Thu 11/12
9:05 am-11:59 pm
2 stops11h 54m
Manchester
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$220
SeattleManchester
SEA Seattle/Tacoma Intl - MHT Manchester
SEAMHT
Seattle/Tacoma Intl
Mon 11/16
9:15 am-10:49 pm
1 stop10h 34m
Manchester
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$221
SeattleManchester
SEA Seattle/Tacoma Intl - MHT Manchester
SEAMHT
Seattle/Tacoma Intl
Mon 11/23
7:00 am-11:59 pm
2 stops13h 59m
Manchester
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$226
SeattleManchester
SEA Seattle/Tacoma Intl - MHT Manchester
SEAMHT
Seattle/Tacoma Intl
Tue 11/10
7:00 am-11:59 pm
2 stops13h 59m
Manchester
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$226
SeattleLebanon
SEA Seattle/Tacoma Intl - LEB Lebanon Municipal
SEALEB
Seattle/Tacoma Intl
Wed 12/16
4:58 pm-9:49 am
3 stops37h 51m
Lebanon Municipal
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$236
SeattleManchester
SEA Seattle/Tacoma Intl - MHT Manchester
SEAMHT
Seattle/Tacoma Intl
Tue 11/17
9:15 am-10:49 pm
1 stop10h 34m
Manchester
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$309
SeattleManchester
SEA Seattle/Tacoma Intl - MHT Manchester
SEAMHT
Seattle/Tacoma Intl
Thu 11/19
6:30 am-5:00 pm
1 stop7h 30m
Manchester
Thu 11/26
7:00 am-1:00 pm
1 stop9h 00m
$312
Showing 1-10 of 27 resultsSorted by cheapest first
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.
SEA-MHT
SEA-LEB
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
SEA-USNH
SEA-MHT
SEA-LEB
No data available for this route at this time. Please check back soon.
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 October 22, 2026.
Read reviews from past customers who have flown Southwest and American Airlines from Seattle to New Hampshire. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Entertainment
7.4
Comfort
8.0
Crew
8.6
Overall
7.9
Food
7.0
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Boarding
8.1
Entertainment
7.4
Comfort
8.0
Crew
8.6
Overall
7.9
Food
7.0
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Boarding
8.1
Entertainment
7.4
Comfort
8.0
Crew
8.6
Overall
7.9
Food
7.0
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
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.
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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.
Complete your trip
Complete your trip to New Hampshire by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Seattle to New Hampshire by cabin class
Find flights from Seattle to New Hampshire, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Seattle and New Hampshire flights
Browse other Seattle and New Hampshire flight options. Last updated on October 22, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Seattle to New Hampshire flights
Consider these flights traveling from Seattle to New Hampshire.
Top 2 airlines flying from Seattle to New Hampshire
Discover the top 2 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 7,457,451 searches. Data last updated October 22, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$362 | Average$532 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$368 | Average$547 | FlexibilityNo cancel fee | On-time71% |