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

Southwest, American Airlines, and United Airlines are the most popular carriers 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 39% 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 3 as of September 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.

$189 Cheap Flights from Manchester to Seattle in 2025

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Find the cheapest flights from Manchester, New Hampshire to Seattle

Round-trip

One-way

Last minute

Cheap round-trip flights

12:26 pm - 8:46 pmMHT-SEA

11h 20m1 stop

12:03 pm - 10:57 pmSEA-MHT

7h 54m1 stop

$287American Airlines

Find Deal

Wed, Oct 22 - Tue, Oct 28

5:10 pm - 10:56 pmMHT-SEA

8h 46m1 stop

12:34 am - 11:56 amSEA-MHT

8h 22m1 stop

$307American Airlines

Find Deal

Sat, Oct 25 - Fri, Oct 31

7:07 am - 1:46 pmMHT-SEA

9h 39m1 stop

7:44 am - 11:05 pmSEA-MHT

12h 21m2 stops

$312American Airlines

Find Deal

Sat, Oct 25 - Sat, Nov 1

3:26 pm - 12:27 amMHT-SEA

12h 01m2 stops

12:34 am - 3:00 pmSEA-MHT

11h 26m2 stops

$317American Airlines

Find Deal

Sat, Oct 25 - Fri, Oct 31

12:26 pm - 8:46 pmMHT-SEA

11h 20m1 stop

5:22 am - 7:11 pmSEA-MHT

10h 49m2 stops

$355American Airlines

Find Deal

Wed, Oct 22 - Tue, Oct 28

2:05 pm - 12:35 amMHT-SEA

13h 30m2 stops

9:35 am - 9:05 pmSEA-MHT

8h 30m2 stops

$382Southwest

Find Deal

Fri, Nov 21 - Wed, Dec 10

7:10 am - 6:00 pmMHT-SEA

13h 50m2 stops

5:15 am - 3:00 pmSEA-MHT

6h 45m1 stop

$430Southwest

Find Deal

Fri, Oct 17 - Fri, Oct 24

1:30 pm - 8:42 pmMHT-SEA

10h 12m1 stop

11:40 pm - 3:02 pmSEA-MHT

12h 22m2 stops

$438United Airlines

Find Deal

Tue, Sep 23 - Fri, Sep 26

1:30 pm - 10:20 pmMHT-SEA

11h 50m2 stops

11:40 pm - 3:02 pmSEA-MHT

12h 22m2 stops

$443United Airlines

Find Deal

Tue, Sep 23 - Fri, Sep 26

3:59 pm - 10:00 pmMHT-SEA

9h 01m1 stop

1:35 pm - 12:09 amSEA-MHT

7h 34m1 stop

$505Alaska Airlines

Find Deal

Thu, Sep 25 - Tue, Sep 30

Southwest flights from Manchester, New Hampshire to Seattle

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

Southwest

Nov 21

MHT2:05 pmManchester

13h 30m

2 stops

SEA12:35 amSeattle/Tacoma Intl

Dec 10

SEA9:35 amSeattle/Tacoma Intl

8h 30m

2 stops

MHT9:05 pmManchester

$382

Find similar

Southwest

Oct 17

MHT7:10 amManchester

13h 50m

2 stops

SEA6:00 pmSeattle/Tacoma Intl

Oct 24

SEA5:15 amSeattle/Tacoma Intl

6h 45m

1 stop

MHT3:00 pmManchester

$430

Find similar

Southwest

Oct 7

MHT5:00 amManchester

10h 35m

2 stops

SEA12:35 pmSeattle/Tacoma Intl

Oct 9

SEA4:20 pmSeattle/Tacoma Intl

12h 45m

2 stops

MHT8:05 amManchester

$459

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

Sep 23

MHT1:30 pmManchester

10h 12m

1 stop

SEA8:42 pmSeattle/Tacoma Intl

Sep 26

SEA11:40 pmSeattle/Tacoma Intl

12h 22m

2 stops

MHT3:02 pmManchester

$438

Find similar

United Airlines

Sep 23

MHT1:30 pmManchester

11h 50m

2 stops

SEA10:20 pmSeattle/Tacoma Intl

Sep 26

SEA11:40 pmSeattle/Tacoma Intl

12h 22m

2 stops

MHT3:02 pmManchester

$443

Find similar

United Airlines

Sep 15

MHT9:40 amManchester

14h 42m

2 stops

SEA9:22 pmSeattle/Tacoma Intl

Sep 23

SEA10:55 pmSeattle/Tacoma Intl

8h 47m

1 stop

MHT10:42 amManchester

$477

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

Wed 10/22

12:26 pm-8:46 pm

1 stop11h 20m

Seattle/Tacoma Intl

Tue 10/28

12:03 pm-10:57 pm

1 stop7h 54m

$287

ManchesterSeattle

MHT - SEA

MHTSEA

Manchester

Sat 10/25

5:10 pm-10:56 pm

1 stop8h 46m

Seattle/Tacoma Intl

Fri 10/31

12:34 am-11:56 am

1 stop8h 22m

$307

ManchesterSeattle

MHT - SEA

MHTSEA

Manchester

Sat 10/25

7:07 am-1:46 pm

1 stop9h 39m

Seattle/Tacoma Intl

Sat 11/1

7:44 am-11:05 pm

2 stops12h 21m

$312

ManchesterSeattle

MHT - SEA

MHTSEA

Manchester

Sat 10/25

3:26 pm-12:27 am

2 stops12h 01m

Seattle/Tacoma Intl

Fri 10/31

12:34 am-3:00 pm

2 stops11h 26m

$317

ManchesterSeattle

MHT - SEA

MHTSEA

Manchester

Wed 10/22

12:26 pm-8:46 pm

1 stop11h 20m

Seattle/Tacoma Intl

Tue 10/28

5:22 am-7:11 pm

2 stops10h 49m

$355

ManchesterSeattle

MHT - SEA

MHTSEA

Manchester

Fri 11/21

2:05 pm-12:35 am

2 stops13h 30m

Seattle/Tacoma Intl

Wed 12/10

9:35 am-9:05 pm

2 stops8h 30m

$382

ManchesterSeattle

MHT - SEA

MHTSEA

Manchester

Fri 10/17

7:10 am-6:00 pm

2 stops13h 50m

Seattle/Tacoma Intl

Fri 10/24

5:15 am-3:00 pm

1 stop6h 45m

$430

ManchesterSeattle

MHT - SEA

MHTSEA

Manchester

Tue 9/23

1:30 pm-8:42 pm

1 stop10h 12m

Seattle/Tacoma Intl

Fri 9/26

11:40 pm-3:02 pm

2 stops12h 22m

$438

ManchesterSeattle

MHT - SEA

MHTSEA

Manchester

Tue 9/23

1:30 pm-10:20 pm

2 stops11h 50m

Seattle/Tacoma Intl

Fri 9/26

11:40 pm-3:02 pm

2 stops12h 22m

$443

ManchesterSeattle

MHT - SEA

MHTSEA

Manchester

Thu 9/25

3:59 pm-10:00 pm

1 stop9h 01m

Seattle/Tacoma Intl

Tue 9/30

1:35 pm-12:09 am

1 stop7h 34m

$505

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, January 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 January, then you should wait until September to fly from Manchester, New Hampshire, when ticket prices are also cheap, with an average price of $431.

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 $397. 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 $518.

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 $324 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 $513 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.

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

Direct flights	None

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 8h 46m.
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 3 as of September 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 62% of all bookings. The subsequent popular airlines are Southwest at 25% and United Airlines at 12%.

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 8,937 reviews	Search United Airlines flights
American Airlines	PriceFrom $352	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Southwest	PriceFrom $379	Free Cancellation	Rating 8.0 4,238 reviews	Search Southwest flights

Leavenworth

Tacoma

SeaTac

Ocean Shores

Olympia

Renton

Lynnwood

Kent

Marysville

Puyallup

Federal Way

Cle Elum

Tukwila

Kirkland

Lakewood

Centralia

Shoreline

Fife

Redmond

Westport

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.