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Cheap flights from Manchester, New Hampshire to Seattle from $155

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Manchester, New Hampshire to Seattle

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
5:05 pm - 12:36 amMHT  Manchester-SEA Seattle/Tacoma Intl
10h 31m1 stop Chicago O'Hare Intl
American Airlines Logo
10:48 pm - 10:05 amSEA  Seattle/Tacoma Intl-MHT Manchester
8h 17m1 stop Philadelphia
$299American Airlines
Wed, Oct 14 - Sat, Oct 17
American Airlines Logo
2:17 pm - 11:10 pmMHT  Manchester-SEA Seattle/Tacoma Intl
11h 53m1 stop Charlotte Douglas
American Airlines Logo
6:12 am - 4:35 pmSEA  Seattle/Tacoma Intl-MHT Manchester
7h 23m1 stop Chicago O'Hare Intl
$363American Airlines
Wed, Oct 14 - Sat, Oct 17
American Airlines Logo
6:00 am - 12:06 pmMHT  Manchester-SEA Seattle/Tacoma Intl
9h 06m1 stop Philadelphia
American Airlines Logo
11:59 pm - 12:13 pmSEA  Seattle/Tacoma Intl-MHT Manchester
9h 14m1 stop Chicago O'Hare Intl
$363American Airlines
Wed, Oct 14 - Sat, Oct 17
American Airlines Logo
3:43 pm - 10:27 pmMHT  Manchester-SEA Seattle/Tacoma Intl
9h 44m1 stop Charlotte Douglas
American Airlines Logo
12:20 pm - 10:52 pmSEA  Seattle/Tacoma Intl-MHT Manchester
7h 32m1 stop Philadelphia
$363American Airlines
Thu, Jan 7 - Thu, Jan 28
Southwest Logo
1:00 pm - 9:50 pmMHT  Manchester-SEA Seattle/Tacoma Intl
11h 50m2 stops Baltimore/Washington Denver Intl
Southwest Logo
11:20 am - 9:15 pmSEA  Seattle/Tacoma Intl-MHT Manchester
6h 55m1 stop Chicago Midway
$368Southwest
Sat, Dec 12 - Mon, Dec 14
Southwest Logo
7:45 am - 4:45 pmMHT  Manchester-SEA Seattle/Tacoma Intl
12h 00m1 stop Chicago Midway
Southwest Logo
6:30 am - 5:00 pmSEA  Seattle/Tacoma Intl-MHT Manchester
7h 30m1 stop Chicago Midway
$368Southwest
Sat, Dec 12 - Mon, Dec 14
Southwest Logo
12:00 pm - 10:30 pmMHT  Manchester-SEA Seattle/Tacoma Intl
13h 30m2 stops Baltimore/Washington Denver Intl
Southwest Logo
10:45 am - 8:55 pmSEA  Seattle/Tacoma Intl-MHT Manchester
7h 10m1 stop Chicago Midway
$368Southwest
Thu, Jan 7 - Thu, Jan 28
United Airlines Logo
2:50 pm - 8:37 pmMHT  Manchester-SEA Seattle/Tacoma Intl
8h 47m1 stop Washington, D.C. Dulles Intl
United Airlines Logo
7:00 am - 11:59 pmSEA  Seattle/Tacoma Intl-MHT Manchester
13h 59m2 stops San Francisco Washington, D.C. Dulles Intl
$392United Airlines
Tue, Oct 20 - Thu, Oct 29
United Airlines Logo
9:25 am - 6:19 pmMHT  Manchester-SEA Seattle/Tacoma Intl
11h 54m2 stops Washington, D.C. Dulles Intl Newark
United Airlines Logo
9:05 am - 11:59 pmSEA  Seattle/Tacoma Intl-MHT Manchester
11h 54m2 stops San Francisco Washington, D.C. Dulles Intl
$397United Airlines
Tue, Oct 20 - Thu, Oct 29
United Airlines Logo
9:25 am - 7:03 pmMHT  Manchester-SEA Seattle/Tacoma Intl
12h 38m2 stops Washington, D.C. Dulles Intl Chicago O'Hare Intl
United Airlines Logo
6:30 am - 11:59 pmSEA  Seattle/Tacoma Intl-MHT Manchester
14h 29m2 stops Newark Washington, D.C. Reagan-National
$397United Airlines
Wed, Oct 28 - Tue, Nov 3

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Southwest flights from Manchester, New Hampshire to Seattle

Our best Southwest deals on Manchester, New Hampshire to Seattle flight tickets
Southwest
Dec 12
MHT7:45 amManchester
12h 00m
1 stop
SEA4:45 pmSeattle/Tacoma Intl
Dec 14
SEA6:30 amSeattle/Tacoma Intl
7h 30m
1 stop
MHT5:00 pmManchester
$368
Southwest
Jan 7
MHT12:00 pmManchester
13h 30m
2 stops
SEA10:30 pmSeattle/Tacoma Intl
Jan 28
SEA6:00 amSeattle/Tacoma Intl
11h 55m
2 stops
MHT8:55 pmManchester
$373
Southwest
Nov 6
MHT6:35 pmManchester
9h 10m
1 stop
SEA12:45 amSeattle/Tacoma Intl
Nov 11
SEA11:20 amSeattle/Tacoma Intl
7h 00m
1 stop
MHT9:20 pmManchester
$375

United Airlines flights from Manchester, New Hampshire to Seattle

Our best United Airlines deals on Manchester, New Hampshire to Seattle flight tickets
United Airlines
Oct 20
MHT2:50 pmManchester
8h 47m
1 stop
SEA8:37 pmSeattle/Tacoma Intl
Oct 29
SEA7:00 amSeattle/Tacoma Intl
13h 59m
2 stops
MHT11:59 pmManchester
$392
United Airlines
Oct 20
MHT9:25 amManchester
11h 54m
2 stops
SEA6:19 pmSeattle/Tacoma Intl
Oct 29
SEA9:05 amSeattle/Tacoma Intl
11h 54m
2 stops
MHT11:59 pmManchester
$397
United Airlines
Nov 13
MHT2:38 pmManchester
9h 18m
1 stop
SEA8:56 pmSeattle/Tacoma Intl
Nov 22
SEA10:56 pmSeattle/Tacoma Intl
12h 07m
2 stops
MHT2:03 pmManchester
$432

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

Wed 10/14

5:05 pm-12:36 am

1 stop10h 31m

Seattle/Tacoma Intl

Sat 10/17

10:48 pm-10:05 am

1 stop8h 17m

$299

ManchesterSeattle

MHT Manchester - SEA Seattle/Tacoma Intl

MHTSEA

Manchester

Wed 10/14

2:17 pm-11:10 pm

1 stop11h 53m

Seattle/Tacoma Intl

Sat 10/17

6:12 am-4:35 pm

1 stop7h 23m

$363

ManchesterSeattle

MHT Manchester - SEA Seattle/Tacoma Intl

MHTSEA

Manchester

Wed 10/14

6:00 am-12:06 pm

1 stop9h 06m

Seattle/Tacoma Intl

Sat 10/17

11:59 pm-12:13 pm

1 stop9h 14m

$363
Quickest round-trip

ManchesterSeattle

MHT Manchester - SEA Seattle/Tacoma Intl

MHTSEA

Manchester

Thu 1/7

3:43 pm-10:27 pm

1 stop9h 44m

Seattle/Tacoma Intl

Thu 1/28

12:20 pm-10:52 pm

1 stop7h 32m

$363

ManchesterSeattle

MHT Manchester - SEA Seattle/Tacoma Intl

MHTSEA

Manchester

Sat 12/12

1:00 pm-9:50 pm

2 stops11h 50m

Seattle/Tacoma Intl

Mon 12/14

11:20 am-9:15 pm

1 stop6h 55m

$368

ManchesterSeattle

MHT Manchester - SEA Seattle/Tacoma Intl

MHTSEA

Manchester

Sat 12/12

7:45 am-4:45 pm

1 stop12h 00m

Seattle/Tacoma Intl

Mon 12/14

6:30 am-5:00 pm

1 stop7h 30m

$368

ManchesterSeattle

MHT Manchester - SEA Seattle/Tacoma Intl

MHTSEA

Manchester

Thu 1/7

12:00 pm-10:30 pm

2 stops13h 30m

Seattle/Tacoma Intl

Thu 1/28

10:45 am-8:55 pm

1 stop7h 10m

$368

ManchesterSeattle

MHT Manchester - SEA Seattle/Tacoma Intl

MHTSEA

Manchester

Tue 10/20

2:50 pm-8:37 pm

1 stop8h 47m

Seattle/Tacoma Intl

Thu 10/29

7:00 am-11:59 pm

2 stops13h 59m

$392

ManchesterSeattle

MHT Manchester - SEA Seattle/Tacoma Intl

MHTSEA

Manchester

Tue 10/20

9:25 am-6:19 pm

2 stops11h 54m

Seattle/Tacoma Intl

Thu 10/29

9:05 am-11:59 pm

2 stops11h 54m

$397

ManchesterSeattle

MHT Manchester - SEA Seattle/Tacoma Intl

MHTSEA

Manchester

Wed 10/28

9:25 am-7:03 pm

2 stops12h 38m

Seattle/Tacoma Intl

Tue 11/3

6:30 am-11:59 pm

2 stops14h 29m

$397

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Seattle from

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

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 $423 to $656.
The lowest price recently found on this route was $299.

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 October to fly from Manchester, New Hampshire, when ticket prices are also cheap, with an average price of $428.

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 $455. 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 $583.

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 $431 when looking at flights departing in the evening. Flights to Seattle are more costly in the morning, with an average ticket price of $527. 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 24% 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 September 2026, prices for Manchester, New Hampshire to Seattle flights are approximately 135% 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

$155

Fastest flight time

8h 15m

Direct flights

None
The best one-way flight to Seattle from Manchester, New Hampshire in the past 72 hours is $155. The best round-trip flight deal from Manchester, New Hampshire to Seattle found on momondo in the last 72 hours is $299.
The fastest flight from Manchester, New Hampshire to Seattle takes 8h 15m
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 15m.

  • 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?

  • 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?

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 AirlinesPriceFrom $374Free CancellationRating
7.0
12,076 reviews
Search American Airlines flights
SouthwestPriceFrom $404Free CancellationRating
8.0
4,194 reviews
Search Southwest flights

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
Leavenworth
SeaTac
Ocean Shores
Renton
Olympia
Kent
Redmond
Lakewood
Federal Way
Fife
Tukwila
Puyallup
Lynnwood
Cle Elum
Marysville
Lacey
Centralia
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.

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