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Cheap flights from New Hampshire to Seattle from $104

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from New Hampshire to Seattle departing on 10/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from New Hampshire to Seattle

Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
7:00 am - 10:35 amBOS-SEA
6h 35mnonstop
Alaska Airlines Logo
3:59 pm - 12:20 amSEA-BOS
5h 21mnonstop
$191Alaska Airlines
Find Deal
sáb., nov. 8 - sáb., nov. 15
Alaska Airlines Logo
7:00 am - 10:35 amBOS-SEA
6h 35mnonstop
Alaska Airlines Logo
3:59 pm - 12:20 amSEA-BOS
5h 21mnonstop
$195Alaska Airlines
Find Deal
dom., nov. 9 - sáb., nov. 15
Delta Logo
6:55 pm - 10:22 pmBOS-SEA
6h 27mnonstop
Delta Logo
7:30 am - 4:00 pmSEA-BOS
5h 30mnonstop
$197Delta
Find Deal
vie., oct. 31 - mié., nov. 12
JetBlue Logo
8:20 am - 11:59 amBOS-SEA
6h 39mnonstop
JetBlue Logo
1:10 pm - 9:46 pmSEA-BOS
5h 36mnonstop
$202JetBlue
Find Deal
mié., oct. 22 - sáb., oct. 25
JetBlue Logo
8:20 am - 11:59 amBOS-SEA
6h 39mnonstop
JetBlue Logo
10:05 pm - 6:35 amSEA-BOS
5h 30mnonstop
$206JetBlue
Find Deal
vie., oct. 24 - vie., oct. 31
American Airlines Logo
5:30 am - 1:10 pmBOS-SEA
10h 40m1 stop
American Airlines Logo
12:59 am - 12:48 pmSEA-BOS
8h 49m1 stop
$207American Airlines
Find Deal
sáb., nov. 8 - mié., nov. 12
American Airlines Logo
6:00 am - 11:03 amBOS-SEA
8h 03m1 stop
American Airlines Logo
11:04 am - 11:58 pmSEA-BOS
9h 54m1 stop
$208American Airlines
Find Deal
vie., oct. 24 - vie., oct. 31
Southwest Logo
6:20 pm - 12:35 amBOS-SEA
9h 15m1 stop
Southwest Logo
6:35 am - 4:45 pmSEA-BOS
7h 10m1 stop
$212Southwest
Find Deal
vie., nov. 14 - lun., nov. 17
Delta Logo
6:55 pm - 10:22 pmBOS-SEA
6h 27mnonstop
Delta Logo
10:05 pm - 6:35 amSEA-BOS
5h 30mnonstop
$214Delta
Find Deal
mié., oct. 29 - lun., nov. 24
Southwest Logo
6:20 pm - 12:35 amBOS-SEA
9h 15m1 stop
Southwest Logo
5:40 am - 10:45 pmSEA-BOS
14h 05m1 stop
$250Southwest
Find Deal
vie., nov. 7 - mar., nov. 11

Alaska Airlines flights from New Hampshire to Seattle

Our best Alaska Airlines deals on New Hampshire to Seattle flight tickets
Alaska Airlines
Nov 8
BOS7:00 amBoston Logan Intl
6h 35m
SEA10:35 amSeattle/Tacoma Intl
Nov 15
SEA3:59 pmSeattle/Tacoma Intl
5h 21m
BOS12:20 amBoston Logan Intl
$191
Find similar
Alaska Airlines
Nov 9
BOS7:00 amBoston Logan Intl
6h 35m
SEA10:35 amSeattle/Tacoma Intl
Nov 15
SEA3:59 pmSeattle/Tacoma Intl
5h 21m
BOS12:20 amBoston Logan Intl
$195
Find similar
Alaska Airlines
Nov 4
BOS7:00 amBoston Logan Intl
6h 35m
SEA10:35 amSeattle/Tacoma Intl
Nov 12
SEA11:10 pmSeattle/Tacoma Intl
5h 19m
BOS7:29 amBoston Logan Intl
$211
Find similar

Delta flights from New Hampshire to Seattle

Our best Delta deals on New Hampshire to Seattle flight tickets
Delta
Oct 31
BOS6:55 pmBoston Logan Intl
6h 27m
SEA10:22 pmSeattle/Tacoma Intl
Nov 12
SEA7:30 amSeattle/Tacoma Intl
5h 30m
BOS4:00 pmBoston Logan Intl
$197
Find similar
Delta
Oct 29
BOS6:55 pmBoston Logan Intl
6h 27m
SEA10:22 pmSeattle/Tacoma Intl
Nov 24
SEA10:05 pmSeattle/Tacoma Intl
5h 30m
BOS6:35 amBoston Logan Intl
$214
Find similar
Delta
Nov 8
PWM4:48 pmPortland
8h 15m
1 stop
SEA10:03 pmSeattle/Tacoma Intl
Nov 12
SEA6:00 amSeattle/Tacoma Intl
7h 07m
1 stop
PWM4:07 pmPortland
$221
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated octubre 2, 2025.
Use the filters below to find and compare flights from New Hampshire to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BostonSeattle

BOS - SEA

BOSSEA

Boston Logan Intl

sáb. 11/8

7:00 am-10:35 am

Nonstop6h 35m

Seattle/Tacoma Intl

sáb. 11/15

3:59 pm-12:20 am

Nonstop5h 21m

$191

BostonSeattle

BOS - SEA

BOSSEA

Boston Logan Intl

dom. 11/9

7:00 am-10:35 am

Nonstop6h 35m

Seattle/Tacoma Intl

sáb. 11/15

3:59 pm-12:20 am

Nonstop5h 21m

$195

BostonSeattle

BOS - SEA

BOSSEA

Boston Logan Intl

vie. 10/31

6:55 pm-10:22 pm

Nonstop6h 27m

Seattle/Tacoma Intl

mié. 11/12

7:30 am-4:00 pm

Nonstop5h 30m

$197

BostonSeattle

BOS - SEA

BOSSEA

Boston Logan Intl

mié. 10/22

8:20 am-11:59 am

Nonstop6h 39m

Seattle/Tacoma Intl

sáb. 10/25

1:10 pm-9:46 pm

Nonstop5h 36m

$202

BostonSeattle

BOS - SEA

BOSSEA

Boston Logan Intl

vie. 10/24

8:20 am-11:59 am

Nonstop6h 39m

Seattle/Tacoma Intl

vie. 10/31

10:05 pm-6:35 am

Nonstop5h 30m

$206

BostonSeattle

BOS - SEA

BOSSEA

Boston Logan Intl

sáb. 11/8

5:30 am-1:10 pm

1 stop10h 40m

Seattle/Tacoma Intl

mié. 11/12

12:59 am-12:48 pm

1 stop8h 49m

$207

BostonSeattle

BOS - SEA

BOSSEA

Boston Logan Intl

vie. 10/24

6:00 am-11:03 am

1 stop8h 03m

Seattle/Tacoma Intl

vie. 10/31

11:04 am-11:58 pm

1 stop9h 54m

$208

BostonSeattle

BOS - SEA

BOSSEA

Boston Logan Intl

vie. 11/14

6:20 pm-12:35 am

1 stop9h 15m

Seattle/Tacoma Intl

lun. 11/17

6:35 am-4:45 pm

1 stop7h 10m

$212

BostonSeattle

BOS - SEA

BOSSEA

Boston Logan Intl

mié. 10/29

6:55 pm-10:22 pm

Nonstop6h 27m

Seattle/Tacoma Intl

lun. 11/24

10:05 pm-6:35 am

Nonstop5h 30m

$214

BostonSeattle

BOS - SEA

BOSSEA

Boston Logan Intl

vie. 11/7

6:20 pm-12:35 am

1 stop9h 15m

Seattle/Tacoma Intl

mar. 11/11

5:40 am-10:45 pm

1 stop14h 05m

$250

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Seattle from

How to get the cheapest flight ticket from New Hampshire to Seattle

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Seattle?

In general, January is the cheapest month to fly from New Hampshire to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $236. If you don’t want to visit Seattle in January, then you should wait until March to fly from New Hampshire, when ticket prices are also cheap, with an average price of $279.

What is the cheapest day to depart on your flight to Seattle?

On average, the least expensive day to fly to Seattle from New Hampshire is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $389. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from New Hampshire because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $511.

What is the cheapest time of day to depart on your flight to Seattle?

Flying to Seattle from New Hampshire in the evening is the least expensive time of day to depart. momondo users have found prices as low as $315 when looking at flights departing in the evening. Flights to Seattle are more costly in the morning, with an average ticket price of $456. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

How far in advance should I book a flight to Seattle?

You are more likely to see cheaper flights to Seattle from New Hampshire when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $343 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from New Hampshire for as low as $301 on momondo.

Cheap New Hampshire to Seattle flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from New Hampshire to Seattle

Fastest flight time

6h 16m

Direct flights

Every day

Airports in Seattle

1 airport
The fastest flight from New Hampshire to Seattle takes 6h 16m
Direct flights go from New Hampshire to Seattle every day.
There is 1 airport near Seattle: Seattle/Tacoma Intl (SEA)
Search flight deals

  • When did momondo last update prices for flights from New Hampshire to Seattle/Tacoma Intl Airport?

    Prices for flights from New Hampshire to Seattle/Tacoma Intl Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from New Hampshire to Seattle/Tacoma Intl Airport?

  • How old do you have to be to fly from New Hampshire to Seattle/Tacoma Intl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from New Hampshire to Seattle/Tacoma Intl Airport.

  • What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

    The travel and health documents required for your trip to Seattle/Tacoma Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Seattle/Tacoma Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from New Hampshire to Seattle

Compare and see reviews for airlines that fly from New Hampshire to Seattle with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $342Free CancellationRating
7.4
8,933 reviews
Search United Airlines flights
American AirlinesPriceFrom $345Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $379Free CancellationRating
8.0
4,248 reviews
Search Southwest flights

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
Leavenworth
SeaTac
Ocean Shores
Renton
Olympia
Lynnwood
Kent
Puyallup
Marysville
Federal Way
Tukwila
Kirkland
Fife
Centralia
Shoreline
Lakewood
Cle Elum
Redmond
Westport

Why use momondo?

Why should I use momondo to find a flight deal from New Hampshire to Seattle?

Finding the right flight to Seattle from New Hampshire is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Seattle quick and easy, saving you time and money.

Can I find flights from New Hampshire to Seattle with flexible booking policies on momondo?

momondo does allow users to show only those flights to Seattle from New Hampshire which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from New Hampshire to Seattle?

Once you have performed a search for New Hampshire to Seattle flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from New Hampshire to Seattle right now. Can momondo alert me if prices change?

Price alerts on flights to Seattle from New Hampshire are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Seattle trip

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1 adult
sáb. 11/1
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