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

United Airlines is the most popular carrier operating from Manchester to Seattle/Tacoma Intl

What airlines fly to Seattle?

Delta, JetBlue and Alaska Airlines 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 36% of people opting to fly with this airline when traveling to Seattle. Keep in mind that there are 8 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 4 as of December 2025.

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.

$227 Cheap Flights from Manchester to Seattle in 2025/26

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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.

4:06 pm - 10:07 pm

MHT

SEA

9h 01m1 stop

12:45 pm - 11:46 pm

SEA

MHT

8h 01m1 stop

$327American Airlines

Tue, Jan 13 - Tue, Jan 20

11:42 am - 9:47 pm

MHT

SEA

13h 05m2 stops

12:45 pm - 11:46 pm

SEA

MHT

8h 01m1 stop

$332American Airlines

Tue, Jan 13 - Tue, Jan 20

2:17 pm - 8:57 pm

MHT

SEA

9h 40m1 stop

8:10 am - 6:51 pm

SEA

MHT

7h 41m1 stop

$334United Airlines

Tue, Jan 20 - Sat, Jan 24

6:00 am - 5:45 pm

MHT

SEA

14h 45m2 stops

8:04 am - 10:58 pm

SEA

MHT

11h 54m2 stops

$337American Airlines

Tue, Jan 13 - Tue, Jan 20

2:17 pm - 8:57 pm

MHT

SEA

9h 40m1 stop

5:00 am - 6:51 pm

SEA

MHT

10h 51m2 stops

$339United Airlines

Tue, Jan 20 - Sat, Jan 24

2:17 pm - 12:59 am

MHT

SEA

13h 42m2 stops

5:00 am - 6:51 pm

SEA

MHT

10h 51m2 stops

$344United Airlines

Tue, Jan 20 - Sat, Jan 24

4:06 pm - 10:07 pm

MHT

SEA

9h 01m1 stop

12:45 pm - 11:46 pm

SEA

MHT

8h 01m1 stop

$347American Airlines

Thu, Jan 15 - Tue, Jan 20

4:06 pm - 10:07 pm

MHT

SEA

9h 01m1 stop

7:35 am - 10:58 pm

SEA

MHT

12h 23m2 stops

$352American Airlines

Thu, Jan 15 - Tue, Jan 20

11:42 am - 10:20 pm

MHT

SEA

13h 38m2 stops

8:04 am - 11:50 pm

SEA

MHT

12h 46m2 stops

$357American Airlines

Thu, Jan 15 - Tue, Jan 20

2:17 pm - 8:57 pm

MHT

SEA

9h 40m1 stop

8:10 am - 6:51 pm

SEA

MHT

7h 41m1 stop

$393United Airlines

Mon, Jan 26 - Mon, Feb 2

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 13

MHT4:06 pmManchester

9h 01m

1 stop

SEA10:07 pmSeattle/Tacoma Intl

Jan 20

SEA12:45 pmSeattle/Tacoma Intl

8h 01m

1 stop

MHT11:46 pmManchester

$327

Find similar

American Airlines

Jan 13

MHT11:42 amManchester

13h 05m

2 stops

SEA9:47 pmSeattle/Tacoma Intl

Jan 20

SEA12:45 pmSeattle/Tacoma Intl

8h 01m

1 stop

MHT11:46 pmManchester

$332

Find similar

American Airlines

Jan 13

MHT6:00 amManchester

14h 45m

2 stops

SEA5:45 pmSeattle/Tacoma Intl

Jan 20

SEA8:04 amSeattle/Tacoma Intl

11h 54m

2 stops

MHT10:58 pmManchester

$337

Find similar

United Airlines flights from Manchester, New Hampshire to Seattle

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

United Airlines

Jan 20

MHT2:17 pmManchester

9h 40m

1 stop

SEA8:57 pmSeattle/Tacoma Intl

Jan 24

SEA8:10 amSeattle/Tacoma Intl

7h 41m

1 stop

MHT6:51 pmManchester

$334

Find similar

United Airlines

Jan 20

MHT2:17 pmManchester

9h 40m

1 stop

SEA8:57 pmSeattle/Tacoma Intl

Jan 24

SEA5:00 amSeattle/Tacoma Intl

10h 51m

2 stops

MHT6:51 pmManchester

$339

Find similar

United Airlines

Jan 20

MHT2:17 pmManchester

13h 42m

2 stops

SEA12:59 amSeattle/Tacoma Intl

Jan 24

SEA5:00 amSeattle/Tacoma Intl

10h 51m

2 stops

MHT6:51 pmManchester

$344

Find similar

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

ManchesterSeattle

MHT - SEA

MHTSEA

Manchester

Tue 1/13

4:06 pm-10:07 pm

1 stop9h 01m

Seattle/Tacoma Intl

Tue 1/20

12:45 pm-11:46 pm

1 stop8h 01m

$327

ManchesterSeattle

MHT - SEA

MHTSEA

Manchester

Tue 1/13

11:42 am-9:47 pm

2 stops13h 05m

Seattle/Tacoma Intl

Tue 1/20

12:45 pm-11:46 pm

1 stop8h 01m

$332

ManchesterSeattle

MHT - SEA

MHTSEA

Manchester

Tue 1/20

2:17 pm-8:57 pm

1 stop9h 40m

Seattle/Tacoma Intl

Sat 1/24

8:10 am-6:51 pm

1 stop7h 41m

$334

ManchesterSeattle

MHT - SEA

MHTSEA

Manchester

Tue 1/13

6:00 am-5:45 pm

2 stops14h 45m

Seattle/Tacoma Intl

Tue 1/20

8:04 am-10:58 pm

2 stops11h 54m

$337

ManchesterSeattle

MHT - SEA

MHTSEA

Manchester

Tue 1/20

2:17 pm-8:57 pm

1 stop9h 40m

Seattle/Tacoma Intl

Sat 1/24

5:00 am-6:51 pm

2 stops10h 51m

$339

ManchesterSeattle

MHT - SEA

MHTSEA

Manchester

Tue 1/20

2:17 pm-12:59 am

2 stops13h 42m

Seattle/Tacoma Intl

Sat 1/24

5:00 am-6:51 pm

2 stops10h 51m

$344

ManchesterSeattle

MHT - SEA

MHTSEA

Manchester

Thu 1/15

4:06 pm-10:07 pm

1 stop9h 01m

Seattle/Tacoma Intl

Tue 1/20

12:45 pm-11:46 pm

1 stop8h 01m

$347

ManchesterSeattle

MHT - SEA

MHTSEA

Manchester

Thu 1/15

4:06 pm-10:07 pm

1 stop9h 01m

Seattle/Tacoma Intl

Tue 1/20

7:35 am-10:58 pm

2 stops12h 23m

$352

ManchesterSeattle

MHT - SEA

MHTSEA

Manchester

Thu 1/15

11:42 am-10:20 pm

2 stops13h 38m

Seattle/Tacoma Intl

Tue 1/20

8:04 am-11:50 pm

2 stops12h 46m

$357

ManchesterSeattle

MHT - SEA

MHTSEA

Manchester

Mon 1/26

2:17 pm-8:57 pm

1 stop9h 40m

Seattle/Tacoma Intl

Mon 2/2

8:10 am-6:51 pm

1 stop7h 41m

$393

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 cheapest month to fly to Seattle?

In general, September 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 $416. If you don’t want to visit Seattle in September, then you should wait until November to fly from Manchester, New Hampshire, when ticket prices are also cheap, with an average price of $427.

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 $399. 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 Manchester, New Hampshire because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $500.

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 $304 when looking at flights departing in the evening. Flights to Seattle are more costly in the morning, with an average ticket price of $460. 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 Manchester, New Hampshire when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $516 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Manchester, New Hampshire for as low as $381 on momondo.

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

You could potentially save up to 20% on your flight if you consider stops on a Manchester, New Hampshire to Seattle flight.

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

Fastest flight time	9h 19m
Direct flights	None

The fastest flight from Manchester, New Hampshire to Seattle takes 9h 19m

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

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 9h 19m.
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 4 as of December 2025.
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 54% of all bookings. The subsequent popular airlines are Southwest at 24%, United Airlines at 14%, and Alaska Airlines at 9%.

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
United Airlines	PriceFrom $342	Free Cancellation	Rating 7.4 9,093 reviews	Search United Airlines flights
American Airlines	PriceFrom $344	Free Cancellation	Rating 7.2 11,054 reviews	Search American Airlines flights
Alaska Airlines	PriceFrom $347	Free Cancellation	Rating 8.0 11,479 reviews	Search Alaska Airlines flights
Southwest	PriceFrom $379	Free Cancellation	Rating 7.9 4,250 reviews	Search Southwest flights

Tacoma

Leavenworth

SeaTac

Ocean Shores

Renton

Olympia

Lynnwood

Kent

Marysville

Puyallup

Redmond

Tukwila

Cle Elum

Federal Way

Lakewood

Fife

Centralia

Westport

Kirkland

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.