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Cheap flights from Manchester, New Hampshire to Seattle from $198

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 7/15. 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
0 bags

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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
5:59 pm - 12:16 am
MHT
-
SEA
9h 17m
1 stop
American Airlines Logo
9:35 pm - 11:33 am
SEA
-
MHT
10h 58m
1 stop
$395American Airlines
Wed, May 27 - Tue, Jun 2
Southwest Logo
6:25 pm - 11:30 pm
MHT
-
SEA
8h 05m
1 stop
Southwest Logo
11:05 pm - 11:50 am
SEA
-
MHT
9h 45m
1 stop
$397Southwest
Thu, Aug 27 - Tue, Sep 1
American Airlines Logo
5:59 pm - 12:16 am
MHT
-
SEA
9h 17m
1 stop
American Airlines Logo
10:27 am - 12:15 am
SEA
-
MHT
10h 48m
1 stop
$399American Airlines
Thu, May 28 - Sat, May 30
American Airlines Logo
5:59 pm - 12:16 am
MHT
-
SEA
9h 17m
1 stop
American Airlines Logo
9:35 pm - 11:33 am
SEA
-
MHT
10h 58m
2 stops
$400American Airlines
Wed, May 27 - Tue, Jun 2
Southwest Logo
6:25 pm - 11:30 pm
MHT
-
SEA
8h 05m
1 stop
Southwest Logo
7:10 am - 9:50 pm
SEA
-
MHT
11h 40m
2 stops
$402Southwest
Thu, Aug 27 - Tue, Sep 1
Southwest Logo
6:25 pm - 11:30 pm
MHT
-
SEA
8h 05m
1 stop
Southwest Logo
11:05 pm - 2:20 pm
SEA
-
MHT
12h 15m
2 stops
$404Southwest
Thu, Sep 10 - Mon, Sep 14
Southwest Logo
3:55 pm - 12:20 am
MHT
-
SEA
11h 25m
2 stops
Southwest Logo
7:30 pm - 9:40 am
SEA
-
MHT
11h 10m
2 stops
$405Southwest
Tue, Jul 28 - Wed, Aug 5
Southwest Logo
6:25 pm - 11:30 pm
MHT
-
SEA
8h 05m
1 stop
Southwest Logo
11:05 pm - 11:50 am
SEA
-
MHT
9h 45m
1 stop
$408Southwest
Thu, Aug 27 - Tue, Sep 1
Southwest Logo
6:25 pm - 11:30 pm
MHT
-
SEA
8h 05m
1 stop
Southwest Logo
5:20 am - 5:35 pm
SEA
-
MHT
9h 15m
2 stops
$413Southwest
Thu, Aug 27 - Tue, Sep 1
American Airlines Logo
5:59 pm - 12:16 am
MHT
-
SEA
9h 17m
1 stop
American Airlines Logo
11:58 pm - 11:50 am
SEA
-
MHT
8h 52m
1 stop
$426American Airlines
Wed, May 27 - Tue, Jun 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
Jun 16
MHT6:07 pmManchester
9h 34m
1 stop
SEA12:41 amSeattle/Tacoma Intl
Jun 30
SEA11:58 pmSeattle/Tacoma Intl
8h 36m
1 stop
MHT11:34 amManchester
$395
American Airlines
May 28
MHT5:59 pmManchester
9h 17m
1 stop
SEA12:16 amSeattle/Tacoma Intl
May 30
SEA10:27 amSeattle/Tacoma Intl
10h 48m
1 stop
MHT12:15 amManchester
$399
American Airlines
May 27
MHT5:59 pmManchester
9h 17m
1 stop
SEA12:16 amSeattle/Tacoma Intl
Jun 2
SEA9:35 pmSeattle/Tacoma Intl
10h 58m
1 stop
MHT11:33 amManchester
$426

Southwest flights from Manchester, New Hampshire to Seattle

Our best Southwest deals on Manchester, New Hampshire to Seattle flight tickets
Southwest
Aug 27
MHT6:25 pmManchester
8h 05m
1 stop
SEA11:30 pmSeattle/Tacoma Intl
Sep 1
SEA11:05 pmSeattle/Tacoma Intl
9h 45m
1 stop
MHT11:50 amManchester
$397
Southwest
Jul 28
MHT6:15 pmManchester
9h 05m
1 stop
SEA12:20 amSeattle/Tacoma Intl
Aug 5
SEA7:30 pmSeattle/Tacoma Intl
11h 10m
2 stops
MHT9:40 amManchester
$400
Southwest
Aug 27
MHT6:25 pmManchester
8h 05m
1 stop
SEA11:30 pmSeattle/Tacoma Intl
Sep 1
SEA7:10 amSeattle/Tacoma Intl
11h 40m
2 stops
MHT9:50 pmManchester
$402

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 May 11, 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

ManchesterSeattle

MHT - SEA

MHTSEA

Manchester

Wed 5/27

5:59 pm-12:16 am

1 stop9h 17m

Seattle/Tacoma Intl

Tue 6/2

9:35 pm-11:33 am

1 stop10h 58m

$395

ManchesterSeattle

MHT - SEA

MHTSEA

Manchester

Thu 8/27

6:25 pm-11:30 pm

1 stop8h 05m

Seattle/Tacoma Intl

Tue 9/1

11:05 pm-11:50 am

1 stop9h 45m

$397

ManchesterSeattle

MHT - SEA

MHTSEA

Manchester

Thu 5/28

5:59 pm-12:16 am

1 stop9h 17m

Seattle/Tacoma Intl

Sat 5/30

10:27 am-12:15 am

1 stop10h 48m

$399

ManchesterSeattle

MHT - SEA

MHTSEA

Manchester

Wed 5/27

5:59 pm-12:16 am

1 stop9h 17m

Seattle/Tacoma Intl

Tue 6/2

9:35 pm-11:33 am

2 stops10h 58m

$400

ManchesterSeattle

MHT - SEA

MHTSEA

Manchester

Thu 8/27

6:25 pm-11:30 pm

1 stop8h 05m

Seattle/Tacoma Intl

Tue 9/1

7:10 am-9:50 pm

2 stops11h 40m

$402

ManchesterSeattle

MHT - SEA

MHTSEA

Manchester

Thu 9/10

6:25 pm-11:30 pm

1 stop8h 05m

Seattle/Tacoma Intl

Mon 9/14

11:05 pm-2:20 pm

2 stops12h 15m

$404

ManchesterSeattle

MHT - SEA

MHTSEA

Manchester

Tue 7/28

3:55 pm-12:20 am

2 stops11h 25m

Seattle/Tacoma Intl

Wed 8/5

7:30 pm-9:40 am

2 stops11h 10m

$405

ManchesterSeattle

MHT - SEA

MHTSEA

Manchester

Thu 8/27

6:25 pm-11:30 pm

1 stop8h 05m

Seattle/Tacoma Intl

Tue 9/1

11:05 pm-11:50 am

1 stop9h 45m

$408
Quickest round-trip

ManchesterSeattle

MHT - SEA

MHTSEA

Manchester

Thu 8/27

6:25 pm-11:30 pm

1 stop8h 05m

Seattle/Tacoma Intl

Tue 9/1

5:20 am-5:35 pm

2 stops9h 15m

$413

ManchesterSeattle

MHT - SEA

MHTSEA

Manchester

Wed 5/27

5:59 pm-12:16 am

1 stop9h 17m

Seattle/Tacoma Intl

Tue 6/2

11:58 pm-11:50 am

1 stop8h 52m

$426

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?

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 $436. 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 $442.

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 $416. 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 $523.

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 $397 when looking at flights departing in the afternoon. Flights to Seattle are more costly in the morning, with an average ticket price of $479. 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.

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 05m

Direct flights

None
The fastest flight from Manchester, New Hampshire to Seattle takes 8h 05m
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 05m.

  • 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
United AirlinesPriceFrom $342Free CancellationRating
7.4
9,700 reviews
Search United Airlines flights
American AirlinesPriceFrom $344Free CancellationRating
7.1
11,664 reviews
Search American Airlines flights
Alaska AirlinesPriceFrom $347Free CancellationRating
7.9
12,355 reviews
Search Alaska Airlines flights
SouthwestPriceFrom $379Free CancellationRating
8.0
4,296 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
Lynnwood
Redmond
Kent
Tukwila
Puyallup
Marysville
Lakewood
Cle Elum
Federal Way
Centralia
Fife
Westport
Shoreline
Tumwater

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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