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>

$114 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 22% 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

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from New Hampshire to Seattle that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

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

Fri, Sep 26 - Fri, Oct 24

7:00 am - 10:19 amBOS-SEA

6h 19mnonstop

1:10 pm - 9:46 pmSEA-BOS

5h 36mnonstop

$167JetBlue

Find Deal

Sat, Oct 4 - Sat, Oct 11

7:15 am - 10:34 amBOS-SEA

6h 19mnonstop

1:10 pm - 9:46 pmSEA-BOS

5h 36mnonstop

$172JetBlue

Find Deal

Wed, Oct 29 - Fri, Oct 31

6:45 am - 3:05 pmBOS-SEA

11h 20m1 stop

12:35 pm - 11:05 pmSEA-BOS

7h 30m1 stop

$185Southwest

Find Deal

Sun, Nov 9 - Sun, Nov 16

7:00 am - 10:35 amBOS-SEA

6h 35mnonstop

11:10 pm - 7:29 amSEA-BOS

5h 19mnonstop

$191Alaska Airlines

Find Deal

Tue, Oct 21 - Tue, Oct 28

5:15 am - 4:25 pmBOS-SEA

14h 10m1 stop

5:50 am - 6:00 pmSEA-BOS

9h 10m2 stops

$194Southwest

Find Deal

Wed, Nov 12 - Sat, Nov 15

7:00 am - 10:35 amBOS-SEA

6h 35mnonstop

3:59 pm - 12:20 amSEA-BOS

5h 21mnonstop

$197Hawaiian Airlines

Find Deal

Tue, Oct 28 - Mon, Nov 3

1:45 pm - 9:23 pmBOS-SEA

10h 38m1 stop

12:41 am - 1:39 pmSEA-BOS

9h 58m1 stop

$206American Airlines

Find Deal

Wed, Nov 12 - Sat, Nov 15

6:23 pm - 9:51 pmBOS-SEA

6h 28mnonstop

3:59 pm - 12:20 amSEA-BOS

5h 21mnonstop

$207Hawaiian Airlines

Find Deal

Thu, Oct 23 - Fri, Oct 31

3:54 pm - 12:27 amBOS-SEA

11h 33m1 stop

11:04 am - 11:58 pmSEA-BOS

9h 54m1 stop

$208American Airlines

Find Deal

Thu, Dec 4 - Mon, Dec 8

7:00 am - 10:35 amBOS-SEA

6h 35mnonstop

3:38 pm - 11:59 pmSEA-BOS

5h 21mnonstop

$221Alaska Airlines

Find Deal

Cheapest round-trip

$167

Overall average: $337

JetBlue

Fri 9/26Fri 10/24

BOS - SEA • Non-stop

Cheapest one-way

$114

Typical prices: $208-473

Alaska Airlines

Thu 12/4

BOS - SEA • Non-stop

Start a new search

KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to Seattle!

Useful Info

Low season	January
High season	July
Cheapest flight	$114

Best time to beat the crowds with an average 15% 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

Westport

Lakewood

Mukilteo

Lacey

Edmonds

Aberdeen

Woodinville

Poulsbo

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)

Not what you’re looking for? Find thousands of other hotels, flights, car rentals and package deals with KAYAK.

SEA

$114 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

Everything you should know

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