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

United Airlines and American 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 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.

$330 Cheap Flights from Manchester to Seattle in 2025/26

Q: 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 $550 to $665. The lowest price recently found on this route was $372.

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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.

2:33 pm - 8:56 pm

MHT

SEA

9h 23m1 stop

8:17 am - 6:53 pm

SEA

MHT

7h 36m1 stop

$372United Airlines

Thu, Feb 26 - Tue, Mar 3

2:33 pm - 8:56 pm

MHT

SEA

9h 23m1 stop

5:00 am - 6:53 pm

SEA

MHT

10h 53m2 stops

$377United Airlines

Thu, Feb 26 - Tue, Mar 3

2:00 pm - 12:10 am

MHT

SEA

13h 10m2 stops

6:05 am - 8:35 pm

SEA

MHT

11h 30m2 stops

$382Southwest

Thu, Feb 26 - Tue, Mar 3

5:00 am - 1:35 pm

MHT

SEA

11h 35m1 stop

6:35 am - 9:15 pm

SEA

MHT

11h 40m1 stop

$383Southwest

Thu, Feb 12 - Tue, Feb 17

2:17 pm - 8:57 pm

MHT

SEA

9h 40m1 stop

8:10 am - 6:51 pm

SEA

MHT

7h 41m1 stop

$385United Airlines

Thu, Jan 22 - Mon, Jan 26

5:00 am - 1:15 pm

MHT

SEA

11h 15m1 stop

6:05 am - 8:35 pm

SEA

MHT

11h 30m2 stops

$390Southwest

Thu, Jan 22 - Mon, Jan 26

5:00 am - 5:50 pm

MHT

SEA

15h 50m2 stops

6:25 am - 10:05 pm

SEA

MHT

12h 40m2 stops

$395Southwest

Thu, Jan 22 - Mon, Jan 26

5:00 am - 1:35 pm

MHT

SEA

11h 35m1 stop

6:35 am - 7:30 pm

SEA

MHT

9h 55m2 stops

$396Southwest

Thu, Feb 12 - Tue, Feb 17

11:41 am - 9:08 pm

MHT

SEA

12h 27m2 stops

7:00 am - 11:09 pm

SEA

MHT

13h 09m2 stops

$408American Airlines

Thu, Feb 12 - Tue, Feb 17

2:17 pm - 8:57 pm

MHT

SEA

9h 40m1 stop

8:10 am - 6:51 pm

SEA

MHT

7h 41m1 stop

$411United Airlines

Mon, Jan 26 - Fri, Jan 30

United Airlines flights from Manchester, New Hampshire to Seattle

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

United Airlines

Feb 26

MHT2:33 pmManchester

9h 23m

1 stop

SEA8:56 pmSeattle/Tacoma Intl

Mar 3

SEA8:17 amSeattle/Tacoma Intl

7h 36m

1 stop

MHT6:53 pmManchester

$372

Find similar

United Airlines

Feb 26

MHT2:33 pmManchester

11h 10m

2 stops

SEA10:43 pmSeattle/Tacoma Intl

Mar 3

SEA8:17 amSeattle/Tacoma Intl

7h 36m

1 stop

MHT6:53 pmManchester

$377

Find similar

United Airlines

Jan 29

MHT2:17 pmManchester

13h 42m

2 stops

SEA12:59 amSeattle/Tacoma Intl

Feb 2

SEA8:10 amSeattle/Tacoma Intl

7h 41m

1 stop

MHT6:51 pmManchester

$390

Find similar

Southwest flights from Manchester, New Hampshire to Seattle

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

Southwest

Jan 18

MHT5:00 amManchester

11h 15m

1 stop

SEA1:15 pmSeattle/Tacoma Intl

Jan 24

SEA5:15 amSeattle/Tacoma Intl

9h 15m

2 stops

MHT5:30 pmManchester

$379

Find similar

Southwest

Feb 26

MHT2:00 pmManchester

13h 10m

2 stops

SEA12:10 amSeattle/Tacoma Intl

Mar 3

SEA6:05 amSeattle/Tacoma Intl

11h 30m

2 stops

MHT8:35 pmManchester

$382

Find similar

Southwest

Jan 18

MHT5:55 amManchester

14h 55m

2 stops

SEA5:50 pmSeattle/Tacoma Intl

Jan 24

SEA5:15 amSeattle/Tacoma Intl

9h 15m

2 stops

MHT5:30 pmManchester

$384

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

Thu 2/26

2:33 pm-8:56 pm

1 stop9h 23m

Seattle/Tacoma Intl

Tue 3/3

8:17 am-6:53 pm

1 stop7h 36m

$372

ManchesterSeattle

MHT - SEA

MHTSEA

Manchester

Thu 2/26

2:33 pm-8:56 pm

1 stop9h 23m

Seattle/Tacoma Intl

Tue 3/3

5:00 am-6:53 pm

2 stops10h 53m

$377

ManchesterSeattle

MHT - SEA

MHTSEA

Manchester

Thu 2/26

2:00 pm-12:10 am

2 stops13h 10m

Seattle/Tacoma Intl

Tue 3/3

6:05 am-8:35 pm

2 stops11h 30m

$382

ManchesterSeattle

MHT - SEA

MHTSEA

Manchester

Thu 2/12

5:00 am-1:35 pm

1 stop11h 35m

Seattle/Tacoma Intl

Tue 2/17

6:35 am-9:15 pm

1 stop11h 40m

$383

ManchesterSeattle

MHT - SEA

MHTSEA

Manchester

Thu 1/22

2:17 pm-8:57 pm

1 stop9h 40m

Seattle/Tacoma Intl

Mon 1/26

8:10 am-6:51 pm

1 stop7h 41m

$385

ManchesterSeattle

MHT - SEA

MHTSEA

Manchester

Thu 1/22

5:00 am-1:15 pm

1 stop11h 15m

Seattle/Tacoma Intl

Mon 1/26

6:05 am-8:35 pm

2 stops11h 30m

$390

ManchesterSeattle

MHT - SEA

MHTSEA

Manchester

Thu 1/22

5:00 am-5:50 pm

2 stops15h 50m

Seattle/Tacoma Intl

Mon 1/26

6:25 am-10:05 pm

2 stops12h 40m

$395

ManchesterSeattle

MHT - SEA

MHTSEA

Manchester

Thu 2/12

5:00 am-1:35 pm

1 stop11h 35m

Seattle/Tacoma Intl

Tue 2/17

6:35 am-7:30 pm

2 stops9h 55m

$396

ManchesterSeattle

MHT - SEA

MHTSEA

Manchester

Thu 2/12

11:41 am-9:08 pm

2 stops12h 27m

Seattle/Tacoma Intl

Tue 2/17

7:00 am-11:09 pm

2 stops13h 09m

$408

ManchesterSeattle

MHT - SEA

MHTSEA

Manchester

Mon 1/26

2:17 pm-8:57 pm

1 stop9h 40m

Seattle/Tacoma Intl

Fri 1/30

8:10 am-6:51 pm

1 stop7h 41m

$411

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?

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 $501.

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 $303 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 22m
Direct flights	None

The fastest flight from Manchester, New Hampshire to Seattle takes 9h 22m

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 22m.
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 53% of all bookings. The subsequent popular airlines are Southwest at 23%, 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 9,107 reviews	Search United Airlines flights
American Airlines	PriceFrom $344	Free Cancellation	Rating 7.2 11,051 reviews	Search American Airlines flights
Alaska Airlines	PriceFrom $347	Free Cancellation	Rating 8.0 11,518 reviews	Search Alaska Airlines flights
Southwest	PriceFrom $379	Free Cancellation	Rating 8.0 4,256 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.