What is the cheapest airline that flies from Manchester to Seattle/Tacoma Intl?

United Airlines, Southwest, and American Airlines are the most popular carriers operating from Manchester to Seattle/Tacoma Intl

What airlines fly to Seattle?

Delta, Alaska Airlines and JetBlue are the top three most popular airlines that fly to Seattle from Manchester, New Hampshire according to our data. Delta is the first choice among our users, with 38% of people opting to fly with this airline when traveling to Seattle. Keep in mind that there are 7 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.

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

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

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

The number of operators available for flights from Manchester Airport to Seattle/Tacoma Intl Airport is 2 as of October 2026.

How old do you have to be to fly from Manchester Airport 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 Manchester Airport to Seattle/Tacoma Intl Airport.

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

The travel and health documents you'll need for your trip to Seattle/Tacoma Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$156 Cheap Flights from Manchester, New Hampshire to Seattle in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Manchester, New Hampshire to Seattle

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

2:10 pm - 10:50 pmMHT Manchester-SEA Seattle/Tacoma Intl

11h 40m2 stops Baltimore/Washington Denver Intl

6:30 am - 5:00 pmSEA Seattle/Tacoma Intl-MHT Manchester

7h 30m1 stop Chicago Midway

$336Southwest

Mon, Dec 7 - Thu, Dec 10

7:15 am - 12:50 pmMHT Manchester-SEA Seattle/Tacoma Intl

8h 35m1 stop Chicago Midway

11:20 am - 9:20 pmSEA Seattle/Tacoma Intl-MHT Manchester

7h 00m1 stop Chicago Midway

$344Southwest

Mon, Dec 7 - Thu, Dec 10

6:40 pm - 12:35 amMHT Manchester-SEA Seattle/Tacoma Intl

8h 55m1 stop Chicago Midway

5:30 am - 4:40 pmSEA Seattle/Tacoma Intl-MHT Manchester

8h 10m1 stop Chicago Midway

$384Southwest

Fri, Dec 11 - Sun, Dec 13

12:45 pm - 10:50 pmMHT Manchester-SEA Seattle/Tacoma Intl

13h 05m2 stops Baltimore/Washington Denver Intl

5:40 am - 9:20 pmSEA Seattle/Tacoma Intl-MHT Manchester

12h 40m2 stops Phoenix Sky Harbor Intl Chicago Midway

$389Southwest

Mon, Dec 7 - Thu, Dec 10

6:00 am - 12:11 pmMHT Manchester-SEA Seattle/Tacoma Intl

9h 11m1 stop Philadelphia

12:27 pm - 10:51 pmSEA Seattle/Tacoma Intl-MHT Manchester

7h 24m1 stop Philadelphia

$394American Airlines

Tue, Feb 16 - Mon, Feb 22

3:43 pm - 10:27 pmMHT Manchester-SEA Seattle/Tacoma Intl

9h 44m1 stop Charlotte Douglas

12:20 pm - 10:52 pmSEA Seattle/Tacoma Intl-MHT Manchester

7h 32m1 stop Philadelphia

$414American Airlines

Wed, Jan 27 - Sun, Jan 31

5:00 am - 2:21 pmMHT Manchester-SEA Seattle/Tacoma Intl

12h 21m2 stops Washington, D.C. Reagan-National Chicago O'Hare Intl

12:27 pm - 10:51 pmSEA Seattle/Tacoma Intl-MHT Manchester

7h 24m1 stop Philadelphia

$418American Airlines

Tue, Feb 16 - Mon, Feb 22

2:36 pm - 10:45 pmMHT Manchester-SEA Seattle/Tacoma Intl

11h 09m2 stops Washington, D.C. Dulles Intl Chicago O'Hare Intl

9:01 am - 2:01 pmSEA Seattle/Tacoma Intl-MHT Manchester

26h 00m2 stops San Francisco Washington, D.C. Dulles Intl

$642United Airlines

Sat, Jan 30 - Tue, Feb 2

2:36 pm - 12:56 amMHT Manchester-SEA Seattle/Tacoma Intl

13h 20m2 stops Washington, D.C. Dulles Intl San Francisco

5:28 pm - 2:01 pmSEA Seattle/Tacoma Intl-MHT Manchester

17h 33m2 stops Los Angeles Washington, D.C. Dulles Intl

$642United Airlines

Fri, Jan 29 - Tue, Feb 2

2:36 pm - 12:56 amMHT Manchester-SEA Seattle/Tacoma Intl

13h 20m2 stops Washington, D.C. Dulles Intl San Francisco

8:30 am - 2:01 pmSEA Seattle/Tacoma Intl-MHT Manchester

26h 31m2 stops Denver Intl Washington, D.C. Dulles Intl

$642United Airlines

Thu, Jan 28 - Tue, Feb 2

Cheap last minute flights

Enter your travel dates to find the best prices.

12:18 pm - 9:08 amMHT Manchester-SEA Seattle/Tacoma Intl

23h 50m2 stops Washington, D.C. Reagan-National Portland

9:28 pm - 10:23 amSEA Seattle/Tacoma Intl-MHT Manchester

9h 55m1 stop Philadelphia

$870Alaska Airlines

Tue, Nov 3 - Wed, Nov 4

12:15 pm - 7:55 pmMHT Manchester-SEA Seattle/Tacoma Intl

10h 40m1 stop Washington, D.C. Reagan-National

9:28 pm - 10:23 amSEA Seattle/Tacoma Intl-MHT Manchester

9h 55m1 stop Philadelphia

$1,102Alaska Airlines

Sat, Oct 31 - Tue, Nov 3

12:15 pm - 7:55 pmMHT Manchester-SEA Seattle/Tacoma Intl

10h 40m1 stop Washington, D.C. Reagan-National

8:03 am - 11:53 pmSEA Seattle/Tacoma Intl-MHT Manchester

12h 50m2 stops Los Angeles Washington, D.C. Reagan-National

$1,107Alaska Airlines

Sat, Oct 31 - Tue, Nov 3

9:25 am - 8:47 pmMHT Manchester-SEA Seattle/Tacoma Intl

14h 22m2 stops Washington, D.C. Dulles Intl San Francisco

8:30 am - 11:59 pmSEA Seattle/Tacoma Intl-MHT Manchester

12h 29m2 stops Denver Intl Washington, D.C. Dulles Intl

$1,112United Airlines

Sat, Oct 31 - Tue, Nov 3

9:25 am - 5:59 pmMHT Manchester-SEA Seattle/Tacoma Intl

11h 34m2 stops Washington, D.C. Dulles Intl Denver Intl

7:00 am - 11:59 pmSEA Seattle/Tacoma Intl-MHT Manchester

13h 59m2 stops San Francisco Washington, D.C. Dulles Intl

$1,112United Airlines

Sat, Oct 31 - Tue, Nov 3

12:18 pm - 8:13 pmMHT Manchester-SEA Seattle/Tacoma Intl

10h 55m1 stop Washington, D.C. Reagan-National

9:28 pm - 10:23 amSEA Seattle/Tacoma Intl-MHT Manchester

9h 55m1 stop Philadelphia

$1,167Alaska Airlines

Tue, Nov 3 - Wed, Nov 4

2:10 pm - 10:45 pmMHT Manchester-SEA Seattle/Tacoma Intl

11h 35m2 stops Baltimore/Washington Denver Intl

6:10 am - 10:10 pmSEA Seattle/Tacoma Intl-MHT Manchester

13h 00m2 stops Denver Intl Baltimore/Washington

$1,177Southwest

Tue, Nov 3 - Wed, Nov 4

12:15 pm - 7:55 pmMHT Manchester-SEA Seattle/Tacoma Intl

10h 40m1 stop Washington, D.C. Reagan-National

8:03 am - 11:53 pmSEA Seattle/Tacoma Intl-MHT Manchester

12h 50m2 stops Los Angeles Washington, D.C. Reagan-National

$1,258Alaska Airlines

Sat, Oct 31 - Tue, Nov 3

9:25 am - 8:47 pmMHT Manchester-SEA Seattle/Tacoma Intl

14h 22m2 stops Washington, D.C. Dulles Intl San Francisco

10:56 pm - 2:03 pmSEA Seattle/Tacoma Intl-MHT Manchester

12h 07m3 stops Chicago O'Hare Intl Cincinnati Cinci./N. Kentucky Washington, D.C. Dulles Intl

$1,334United Airlines

Tue, Nov 3 - Wed, Nov 4

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American Airlines flights from Manchester, New Hampshire to Seattle

Our best American Airlines deals on Manchester, New Hampshire to Seattle flight tickets

American Airlines

Jan 27

MHT3:43 pmManchester

9h 44m

1 stop

SEA10:27 pmSeattle/Tacoma Intl

Jan 31

SEA12:20 pmSeattle/Tacoma Intl

7h 32m

1 stop

MHT10:52 pmManchester

$414

American Airlines

Nov 27

MHT5:25 amManchester

12h 00m

2 stops

SEA2:25 pmSeattle/Tacoma Intl

Dec 4

SEA6:00 amSeattle/Tacoma Intl

9h 42m

1 stop

MHT6:42 pmManchester

$442

American Airlines

Jan 24

MHT3:43 pmManchester

9h 44m

1 stop

SEA10:27 pmSeattle/Tacoma Intl

Jan 30

SEA6:00 amSeattle/Tacoma Intl

12h 36m

2 stops

MHT9:36 pmManchester

$448

Southwest flights from Manchester, New Hampshire to Seattle

Our best Southwest deals on Manchester, New Hampshire to Seattle flight tickets

Southwest

Dec 7

MHT2:10 pmManchester

11h 40m

2 stops

SEA10:50 pmSeattle/Tacoma Intl

Dec 10

SEA6:30 amSeattle/Tacoma Intl

7h 30m

1 stop

MHT5:00 pmManchester

$336

Southwest

Dec 7

MHT7:15 amManchester

8h 35m

1 stop

SEA12:50 pmSeattle/Tacoma Intl

Dec 10

SEA11:20 amSeattle/Tacoma Intl

7h 00m

1 stop

MHT9:20 pmManchester

$344

Southwest

Dec 11

MHT6:40 pmManchester

8h 55m

1 stop

SEA12:35 amSeattle/Tacoma Intl

Dec 13

SEA5:30 amSeattle/Tacoma Intl

8h 10m

1 stop

MHT4:40 pmManchester

$384

momondo Fare Finder

Use the filters below to find and compare flights from Manchester, New Hampshire to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ManchesterSeattle

MHT Manchester - SEA Seattle/Tacoma Intl

MHTSEA

Manchester

Mon 12/7

2:10 pm-10:50 pm

2 stops11h 40m

Seattle/Tacoma Intl

Thu 12/10

6:30 am-5:00 pm

1 stop7h 30m

$336

Quickest round-trip

ManchesterSeattle

MHT Manchester - SEA Seattle/Tacoma Intl

MHTSEA

Manchester

Mon 12/7

7:15 am-12:50 pm

1 stop8h 35m

Seattle/Tacoma Intl

Thu 12/10

11:20 am-9:20 pm

1 stop7h 00m

$344

ManchesterSeattle

MHT Manchester - SEA Seattle/Tacoma Intl

MHTSEA

Manchester

Fri 12/11

6:40 pm-12:35 am

1 stop8h 55m

Seattle/Tacoma Intl

Sun 12/13

5:30 am-4:40 pm

1 stop8h 10m

$384

ManchesterSeattle

MHT Manchester - SEA Seattle/Tacoma Intl

MHTSEA

Manchester

Mon 12/7

12:45 pm-10:50 pm

2 stops13h 05m

Seattle/Tacoma Intl

Thu 12/10

5:40 am-9:20 pm

2 stops12h 40m

$389

ManchesterSeattle

MHT Manchester - SEA Seattle/Tacoma Intl

MHTSEA

Manchester

Tue 2/16

6:00 am-12:11 pm

1 stop9h 11m

Seattle/Tacoma Intl

Mon 2/22

12:27 pm-10:51 pm

1 stop7h 24m

$394

ManchesterSeattle

MHT Manchester - SEA Seattle/Tacoma Intl

MHTSEA

Manchester

Wed 1/27

3:43 pm-10:27 pm

1 stop9h 44m

Seattle/Tacoma Intl

Sun 1/31

12:20 pm-10:52 pm

1 stop7h 32m

$414

ManchesterSeattle

MHT Manchester - SEA Seattle/Tacoma Intl

MHTSEA

Manchester

Tue 2/16

5:00 am-2:21 pm

2 stops12h 21m

Seattle/Tacoma Intl

Mon 2/22

12:27 pm-10:51 pm

1 stop7h 24m

$418

ManchesterSeattle

MHT Manchester - SEA Seattle/Tacoma Intl

MHTSEA

Manchester

Sat 1/30

2:36 pm-10:45 pm

2 stops11h 09m

Seattle/Tacoma Intl

Tue 2/2

9:01 am-2:01 pm

2 stops26h 00m

$642

ManchesterSeattle

MHT Manchester - SEA Seattle/Tacoma Intl

MHTSEA

Manchester

Fri 1/29

2:36 pm-12:56 am

2 stops13h 20m

Seattle/Tacoma Intl

Tue 2/2

5:28 pm-2:01 pm

2 stops17h 33m

$642

ManchesterSeattle

MHT Manchester - SEA Seattle/Tacoma Intl

MHTSEA

Manchester

Thu 1/28

2:36 pm-12:56 am

2 stops13h 20m

Seattle/Tacoma Intl

Tue 2/2

8:30 am-2:01 pm

2 stops26h 31m

$642

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Manchester, 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

Prices

Airlines

What is the typical price of a round-trip flight between Manchester, New Hampshire and Seattle?

Prices are currently low for flights on this route.

Typical prices usually range from $426 to $456.
The lowest price recently found on this route was $336.

What is the cheapest month to fly to Seattle?

In general, March is the cheapest month to fly from Manchester, New Hampshire to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $0. If you don’t want to visit Seattle in March, then you should wait until November to fly from Manchester, New Hampshire, when ticket prices are also cheap, with an average price of $426.

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

On average, the least expensive day to fly to Seattle from Manchester, New Hampshire is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $462. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Monday is the most expensive day to depart from Manchester, New Hampshire because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $580.

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

Flying to Seattle from Manchester, New Hampshire in the evening is the least expensive time of day to depart. momondo users have found prices as low as $433 when looking at flights departing in the evening. Flights to Seattle are more costly in the morning, with an average ticket price of $534. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

Can stopping save me money on Manchester, New Hampshire to Seattle flights?

You could potentially save up to 25% on your flight if you consider stops on a Manchester, New Hampshire to Seattle flight.

How have Manchester, New Hampshire to Seattle flight prices changed over time?

As of October 2026, prices for Manchester, New Hampshire to Seattle flights are approximately 88% more expensive when compared to flights at the same time last year.

When to book flights from Manchester, New Hampshire to Seattle

Are you open to changing your travel dates? Check out the ideal times to fly from Manchester, New Hampshire to Seattle according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Manchester, New Hampshire to Seattle (MHT to SEA) flight deals and tips

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

Best Price Found	$156
Fastest flight time	8h 30m
Direct flights	None

The best one-way flight to Seattle from Manchester, New Hampshire in the past 72 hours is $156. The best round-trip flight deal from Manchester, New Hampshire to Seattle found on momondo in the last 72 hours is $336.

The fastest flight from Manchester, New Hampshire to Seattle takes 8h 30m

There are no direct flights from Manchester, New Hampshire to Seattle. There are no popular flight routes from Manchester, New Hampshire to Seattle.

Search flight deals

Frequently asked questions about flying from Manchester, New Hampshire to Seattle

How far is Manchester to Seattle/Tacoma Intl by plane?
There are 2446.8 mi between Manchester and Seattle/Tacoma Intl. In terms of flight time, this usually takes a little over 8h 30m.
When did momondo last update prices for flights from Manchester Airport to Seattle/Tacoma Intl Airport?
Prices for flights from Manchester Airport to Seattle/Tacoma Intl Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Manchester Airport to Seattle/Tacoma Intl Airport?
The number of operators available for flights from Manchester Airport to Seattle/Tacoma Intl Airport is 2 as of October 2026.
How old do you have to be to fly from Manchester Airport 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 Manchester Airport to Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The travel and health documents you'll need for your trip to Seattle/Tacoma Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Manchester, New Hampshire to Seattle?
momondo data reveals that the most frequently booked airline on the route from Manchester, New Hampshire to Seattle is American Airlines, representing 69% of all bookings. The subsequent popular airline is Southwest at 31%.

Best airlines flying from Manchester, New Hampshire to Seattle

Compare and see reviews for airlines that fly from Manchester, New Hampshire to Seattle with momondo

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $374	Free Cancellation	Rating 7.0 12,208 reviews		Search American Airlines flights
Southwest	PriceFrom $398	Free Cancellation	Rating 7.9 4,217 reviews		Search Southwest flights

Tacoma

Leavenworth

SeaTac

Ocean Shores

Renton

Olympia

Redmond

Kent

Federal Way

Lakewood

Fife

Lynnwood

Puyallup

Tukwila

Cle Elum

Marysville

Lacey

Kirkland

Centralia

Shoreline

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Manchester to Seattle for you.

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

All flight searches from Manchester to Seattle on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Manchester to Seattle?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Manchester to Seattle.

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

Price alerts on flights to Seattle from Manchester 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.

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Wenatchee Pangborn Field Airport

Eastsound Orcas Island Airport

Friday Harbor SPB Airport

Spokane Airport

Kenmore Air Harbor Airport

Pasco Tri Cities Airport

Pullman Moscow Regional Airport

Rosario SPB Airport

Yakima Air Terminal Airport

Cheap flights from Manchester, New Hampshire to Seattle from $156

Find the cheapest flights from Manchester, New Hampshire to Seattle

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Cheap last minute flights

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

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Price Alerts

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American Airlines flights from Manchester, New Hampshire to Seattle

Our best American Airlines deals on Manchester, New Hampshire to Seattle flight tickets

Southwest flights from Manchester, New Hampshire to Seattle

Our best Southwest deals on Manchester, New Hampshire to Seattle flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Manchester, New Hampshire to Seattle that are best for you.

See travel insights to Seattle from

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

What is the typical price of a round-trip flight between Manchester, New Hampshire and Seattle?

What is the cheapest month to fly to Seattle?

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

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

Can stopping save me money on Manchester, New Hampshire to Seattle flights?

How have Manchester, New Hampshire to Seattle flight prices changed over time?

What is the cheapest airline that flies from Manchester to Seattle/Tacoma Intl?

What airlines fly to Seattle?

When to book flights from Manchester, New Hampshire to Seattle

Cheap Manchester, New Hampshire to Seattle (MHT to SEA) flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Manchester, New Hampshire to Seattle

Best airlines flying from Manchester, New Hampshire to Seattle

Compare and see reviews for airlines that fly from Manchester, New Hampshire to Seattle with momondo

Traveling to a place near Seattle?

Why use momondo?

An easier way to manage your Seattle trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Washington

Fly your favorite airline to Seattle

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Seattle

List of cabin classes available on flights landing in Seattle. Availability may vary depending on flight origin and airline.

Popular cities in the United States

Popular flights according to clicks in the last 7 days on momondo

Fly to other destinations from Manchester, New Hampshire

According to popular flight searches on momondo this year

Complete your trip to Seattle

Explore popular destinations other users love

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