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Cheap flights from Manchester, New Hampshire to Seattle from $168

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Manchester, New Hampshire to Seattle departing on 9/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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
6:00 am - 11:40 amMHT  Manchester-SEA Seattle/Tacoma Intl
8h 40m1 stop Philadelphia
American Airlines Logo
6:15 am - 5:18 pmSEA  Seattle/Tacoma Intl-MHT Manchester
8h 03m1 stop Chicago O'Hare Intl
$299American Airlines
Tue, Sep 15 - Wed, Sep 23
American Airlines Logo
6:01 pm - 12:13 amMHT  Manchester-SEA Seattle/Tacoma Intl
9h 12m1 stop Chicago O'Hare Intl
American Airlines Logo
8:20 am - 9:56 pmSEA  Seattle/Tacoma Intl-MHT Manchester
10h 36m1 stop Philadelphia
$363American Airlines
Sat, Sep 5 - Fri, Sep 11
United Airlines Logo
2:46 pm - 8:45 pmMHT  Manchester-SEA Seattle/Tacoma Intl
8h 59m1 stop Washington, D.C. Dulles Intl
United Airlines Logo
11:00 pm - 2:08 pmSEA  Seattle/Tacoma Intl-MHT Manchester
12h 08m2 stops Chicago O'Hare Intl Washington, D.C. Dulles Intl
$368United Airlines
Sat, Sep 5 - Fri, Sep 11
American Airlines Logo
5:59 pm - 12:11 amMHT  Manchester-SEA Seattle/Tacoma Intl
9h 12m1 stop Chicago O'Hare Intl
American Airlines Logo
10:59 am - 12:15 amSEA  Seattle/Tacoma Intl-MHT Manchester
10h 16m1 stop Chicago O'Hare Intl
$368American Airlines
Tue, Sep 15 - Thu, Sep 24
United Airlines Logo
2:46 pm - 10:43 pmMHT  Manchester-SEA Seattle/Tacoma Intl
10h 57m2 stops Washington, D.C. Dulles Intl Chicago O'Hare Intl
United Airlines Logo
11:00 pm - 2:08 pmSEA  Seattle/Tacoma Intl-MHT Manchester
12h 08m2 stops Chicago O'Hare Intl Washington, D.C. Dulles Intl
$374United Airlines
Sat, Sep 5 - Fri, Sep 11
American Airlines Logo
7:16 am - 2:45 pmMHT  Manchester-SEA Seattle/Tacoma Intl
10h 29m1 stop Chicago O'Hare Intl
American Airlines Logo
5:50 am - 5:11 pmSEA  Seattle/Tacoma Intl-MHT Manchester
8h 21m1 stop Chicago O'Hare Intl
$377American Airlines
Tue, Sep 1 - Sun, Sep 6
Southwest Logo
6:15 pm - 11:35 pmMHT  Manchester-SEA Seattle/Tacoma Intl
8h 20m1 stop Chicago Midway
Southwest Logo
11:05 pm - 12:10 pmSEA  Seattle/Tacoma Intl-MHT Manchester
10h 05m1 stop Chicago Midway
$378Southwest
Wed, Sep 2 - Wed, Sep 9
Southwest Logo
3:05 pm - 11:25 pmMHT  Manchester-SEA Seattle/Tacoma Intl
11h 20m2 stops Baltimore/Washington Las Vegas Harry Reid Intl
Southwest Logo
10:30 pm - 9:40 amSEA  Seattle/Tacoma Intl-MHT Manchester
8h 10m1 stop Baltimore/Washington
$383Southwest
Wed, Sep 2 - Wed, Sep 9
Southwest Logo
3:05 pm - 11:05 pmMHT  Manchester-SEA Seattle/Tacoma Intl
11h 00m2 stops Baltimore/Washington Denver Intl
Southwest Logo
7:10 am - 9:55 pmSEA  Seattle/Tacoma Intl-MHT Manchester
11h 45m2 stops Phoenix Sky Harbor Intl Baltimore/Washington
$388Southwest
Wed, Sep 2 - Wed, Sep 9
United Airlines Logo
2:38 pm - 8:56 pmMHT  Manchester-SEA Seattle/Tacoma Intl
9h 18m1 stop Washington, D.C. Dulles Intl
United Airlines Logo
7:06 am - 11:59 pmSEA  Seattle/Tacoma Intl-MHT Manchester
13h 53m2 stops San Francisco Washington, D.C. Dulles Intl
$420United Airlines
Fri, Oct 30 - Tue, Nov 10

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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
Sep 15
MHT6:00 amManchester
8h 40m
1 stop
SEA11:40 amSeattle/Tacoma Intl
Sep 23
SEA6:15 amSeattle/Tacoma Intl
8h 03m
1 stop
MHT5:18 pmManchester
$299
American Airlines
Sep 5
MHT6:01 pmManchester
9h 12m
1 stop
SEA12:13 amSeattle/Tacoma Intl
Sep 11
SEA8:20 amSeattle/Tacoma Intl
10h 36m
1 stop
MHT9:56 pmManchester
$363
American Airlines
Sep 1
MHT7:16 amManchester
10h 29m
1 stop
SEA2:45 pmSeattle/Tacoma Intl
Sep 6
SEA5:50 amSeattle/Tacoma Intl
8h 21m
1 stop
MHT5:11 pmManchester
$377

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 5
MHT2:46 pmManchester
8h 59m
1 stop
SEA8:45 pmSeattle/Tacoma Intl
Sep 11
SEA11:00 pmSeattle/Tacoma Intl
12h 08m
2 stops
MHT2:08 pmManchester
$368
United Airlines
Sep 5
MHT2:46 pmManchester
10h 57m
2 stops
SEA10:43 pmSeattle/Tacoma Intl
Sep 11
SEA11:00 pmSeattle/Tacoma Intl
12h 08m
2 stops
MHT2:08 pmManchester
$374
United Airlines
Oct 30
MHT2:38 pmManchester
9h 18m
1 stop
SEA8:56 pmSeattle/Tacoma Intl
Nov 10
SEA7:06 amSeattle/Tacoma Intl
13h 53m
2 stops
MHT11:59 pmManchester
$420

momondo Fare Finder

 
Customize your flight search to find flights from Manchester, New Hampshire to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated August 10, 2026.
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
Quickest round-trip

ManchesterSeattle

MHT Manchester - SEA Seattle/Tacoma Intl

MHTSEA

Manchester

Tue 9/15

6:00 am-11:40 am

1 stop8h 40m

Seattle/Tacoma Intl

Wed 9/23

6:15 am-5:18 pm

1 stop8h 03m

$299

ManchesterSeattle

MHT Manchester - SEA Seattle/Tacoma Intl

MHTSEA

Manchester

Sat 9/5

6:01 pm-12:13 am

1 stop9h 12m

Seattle/Tacoma Intl

Fri 9/11

8:20 am-9:56 pm

1 stop10h 36m

$363

ManchesterSeattle

MHT Manchester - SEA Seattle/Tacoma Intl

MHTSEA

Manchester

Sat 9/5

2:46 pm-8:45 pm

1 stop8h 59m

Seattle/Tacoma Intl

Fri 9/11

11:00 pm-2:08 pm

2 stops12h 08m

$368

ManchesterSeattle

MHT Manchester - SEA Seattle/Tacoma Intl

MHTSEA

Manchester

Tue 9/15

5:59 pm-12:11 am

1 stop9h 12m

Seattle/Tacoma Intl

Thu 9/24

10:59 am-12:15 am

1 stop10h 16m

$368

ManchesterSeattle

MHT Manchester - SEA Seattle/Tacoma Intl

MHTSEA

Manchester

Sat 9/5

2:46 pm-10:43 pm

2 stops10h 57m

Seattle/Tacoma Intl

Fri 9/11

11:00 pm-2:08 pm

2 stops12h 08m

$374

ManchesterSeattle

MHT Manchester - SEA Seattle/Tacoma Intl

MHTSEA

Manchester

Tue 9/1

7:16 am-2:45 pm

1 stop10h 29m

Seattle/Tacoma Intl

Sun 9/6

5:50 am-5:11 pm

1 stop8h 21m

$377

ManchesterSeattle

MHT Manchester - SEA Seattle/Tacoma Intl

MHTSEA

Manchester

Wed 9/2

6:15 pm-11:35 pm

1 stop8h 20m

Seattle/Tacoma Intl

Wed 9/9

11:05 pm-12:10 pm

1 stop10h 05m

$378

ManchesterSeattle

MHT Manchester - SEA Seattle/Tacoma Intl

MHTSEA

Manchester

Wed 9/2

3:05 pm-11:25 pm

2 stops11h 20m

Seattle/Tacoma Intl

Wed 9/9

10:30 pm-9:40 am

1 stop8h 10m

$383

ManchesterSeattle

MHT Manchester - SEA Seattle/Tacoma Intl

MHTSEA

Manchester

Wed 9/2

3:05 pm-11:05 pm

2 stops11h 00m

Seattle/Tacoma Intl

Wed 9/9

7:10 am-9:55 pm

2 stops11h 45m

$388

ManchesterSeattle

MHT Manchester - SEA Seattle/Tacoma Intl

MHTSEA

Manchester

Fri 10/30

2:38 pm-8:56 pm

1 stop9h 18m

Seattle/Tacoma Intl

Tue 11/10

7:06 am-11:59 pm

2 stops13h 53m

$420

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 $505 to $744.
The lowest price recently found on this route was $299.

What is the cheapest month to fly to Seattle?

In general, November 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 $456. If you don’t want to visit Seattle in November, then you should wait until April to fly from Manchester, New Hampshire, when ticket prices are also cheap, with an average price of $456.

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 $444. 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 $574.

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

Flying to Seattle from Manchester, New Hampshire in the afternoon 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 afternoon. Flights to Seattle are more costly in the morning, with an average ticket price of $511. 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 31% 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 August 2026, prices for Manchester, New Hampshire to Seattle flights are approximately 19% cheaper 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

Fastest flight time

8h 20m

Direct flights

None
The fastest flight from Manchester, New Hampshire to Seattle takes 8h 20m
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 20m.

  • 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 $350Free CancellationRating
7.1
11,902 reviews
Search American Airlines flights
SouthwestPriceFrom $416Free CancellationRating
8.0
4,218 reviews
Search Southwest flights

Traveling to a place near Seattle?

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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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