How does KAYAK find such low prices on flights from New Hampshire to Seattle?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from New Hampshire to Seattle. Visit our flight page for the latest deals!>/a>

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from New Hampshire to Seattle?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Seattle from New Hampshire is likely to change within 7 days, so travelers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

What is the Hacker Fare option on flights from New Hampshire to Seattle?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Seattle with an airline and back to New Hampshire with another airline. Visit our flight page for the latest deals!>/a>

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from New Hampshire to Seattle?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Seattle from New Hampshire up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

$129 CHEAP FLIGHTS from New Hampshire to Seattle

SEA

KAYAK searches hundreds of travel sites at once for deals on flights to Seattle

...and more

Travelers love KAYAK

41,299,237 searches in the past 7 days on KAYAK

Save 23% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Flight Deals

Cheap Flights from New Hampshire to Seattle

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from New Hampshire to Seattle

Sat, Apr 25 - Wed, May 6

5:20 pm - 11:59 pm

BOS

SEA

9h 39m

1 stop

1:07 pm - 11:59 pm

SEA

BOS

7h 52m

1 stop

$252United Airlines

Tue, Apr 14 - Tue, Apr 21

6:20 pm - 12:10 am

BOS

SEA

8h 50m

1 stop

11:45 pm - 11:00 am

SEA

BOS

8h 15m

1 stop

$257Southwest

Sat, Apr 25 - Wed, May 6

1:50 pm - 10:10 pm

BOS

SEA

11h 20m

2 stops

6:00 am - 4:05 pm

SEA

BOS

7h 05m

1 stop

$262Southwest

Sat, Apr 25 - Mon, May 4

1:50 pm - 10:10 pm

BOS

SEA

11h 20m

2 stops

11:55 pm - 12:15 pm

SEA

BOS

9h 20m

2 stops

$267Southwest

Wed, Apr 15 - Mon, Apr 20

2:25 pm - 12:10 am

BOS

SEA

12h 45m

1 stop

6:15 pm - 8:15 am

SEA

BOS

11h 00m

2 stops

$268Southwest

Wed, Apr 29 - Wed, May 6

2:37 pm - 8:53 pm

BOS

SEA

9h 16m

1 stop

1:07 pm - 11:59 pm

SEA

BOS

7h 52m

1 stop

$272United Airlines

Wed, Apr 29 - Wed, May 6

3:05 pm - 9:23 pm

BOS

SEA

9h 18m

1 stop

11:33 pm - 10:39 am

SEA

BOS

8h 06m

1 stop

$273American Airlines

Tue, Apr 28 - Tue, May 5

3:18 pm - 10:47 pm

BOS

SEA

10h 29m

1 stop

7:00 am - 6:50 pm

SEA

BOS

8h 50m

1 stop

$275American Airlines

Tue, Mar 31 - Sat, Apr 4

7:00 am - 12:25 pm

LEB

SEA

8h 25m

1 stop

10:15 pm - 9:53 am

SEA

LEB

8h 38m

1 stop

$760Multiple Airlines

Sat, Mar 28 - Wed, Apr 1

7:00 am - 12:25 pm

LEB

SEA

8h 25m

1 stop

7:30 pm - 1:44 pm

SEA

LEB

15h 14m

2 stops

$875Multiple Airlines

Useful Info

Low season	January
High season	July
Cheapest flight	$129

Best time to beat the crowds with an average 16% drop in price.

Most popular time to fly with an average 15% increase in price.

Flight from Boston to Seattle

How does KAYAK find such low prices on flights from New Hampshire to Seattle?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from New Hampshire to Seattle.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from New Hampshire to Seattle?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Seattle from New Hampshire is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from New Hampshire to Seattle?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Seattle with an airline and back to New Hampshire with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from New Hampshire to Seattle?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Seattle from New Hampshire up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Lynnwood

Centralia

Fife

Lakewood

Westport

Mukilteo

Lacey

Edmonds

Aberdeen

Poulsbo

Woodinville

Shoreline

DuPont

Monroe

Castle Rock

Edgewood

Everything you need to know for your flight to Seattle

Airports

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Return flight deals

Information on the airport you'll fly into in Seattle

Seattle (SEA)

SEA

$129 Find Cheap Flights from New Hampshire to Seattle

KAYAK searches hundreds of travel sites at once for deals on flights to Seattle

Cheap Flights from New Hampshire to Seattle

Recent round-trip flight deals from New Hampshire to Seattle

Recent one-way flight deals from New Hampshire to Seattle

Recent last minute flight deals from New Hampshire to Seattle

Recent direct flight deals from New Hampshire to Seattle

Good to know

FAQs for booking flights from New Hampshire to Seattle

How does KAYAK find such low prices on flights from New Hampshire to Seattle?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from New Hampshire to Seattle.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from New Hampshire to Seattle?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Seattle from New Hampshire is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from New Hampshire to Seattle?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Seattle with an airline and back to New Hampshire with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from New Hampshire to Seattle?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Seattle from New Hampshire up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Traveling to a place near Seattle?

Everything you need to know for your flight to Seattle

Information on the airport you'll fly into in Seattle

Cabin class types available on flights to New Hampshire

Complete your trip to Seattle with a hotel stay or car rental

Find direct flights for Seattle

Flights to other popular destinations

Flights from domestic origins to Seattle

Choose which airport to fly into in Seattle

Find deals for your return flight