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Cheap flights from Manchester, New Hampshire to Seattle from $202

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 5/6. 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
5:42 pm - 12:36 am
MHT
-
SEA
9h 54m
1 stop
American Airlines Logo
11:16 am - 10:51 pm
SEA
-
MHT
8h 35m
1 stop
$324American Airlines
Tue, Apr 28 - Mon, May 4
United Airlines Logo
2:30 pm - 8:53 pm
MHT
-
SEA
9h 23m
1 stop
United Airlines Logo
10:53 pm - 2:01 pm
SEA
-
MHT
12h 08m
2 stops
$329United Airlines
Tue, Apr 28 - Mon, May 4
American Airlines Logo
2:57 pm - 9:35 pm
MHT
-
SEA
9h 38m
1 stop
American Airlines Logo
5:15 am - 5:02 pm
SEA
-
MHT
8h 47m
1 stop
$333American Airlines
Sat, May 30 - Wed, Jun 3
Southwest Logo
3:45 pm - 12:10 am
MHT
-
SEA
11h 25m
2 stops
Southwest Logo
5:35 pm - 8:05 am
SEA
-
MHT
11h 30m
2 stops
$335Southwest
Tue, Apr 28 - Mon, May 4
American Airlines Logo
5:41 pm - 12:36 am
MHT
-
SEA
9h 55m
1 stop
American Airlines Logo
10:47 pm - 9:57 am
SEA
-
MHT
8h 10m
1 stop
$348American Airlines
Wed, Apr 22 - Wed, Apr 29
American Airlines Logo
6:46 am - 2:27 pm
MHT
-
SEA
10h 41m
1 stop
American Airlines Logo
6:00 am - 5:29 pm
SEA
-
MHT
8h 29m
1 stop
$355American Airlines
Thu, May 7 - Thu, May 28
American Airlines Logo
6:46 am - 2:27 pm
MHT
-
SEA
10h 41m
1 stop
American Airlines Logo
10:27 am - 11:51 pm
SEA
-
MHT
10h 24m
2 stops
$372American Airlines
Thu, May 7 - Thu, May 28
United Airlines Logo
2:37 pm - 8:46 pm
MHT
-
SEA
9h 09m
1 stop
United Airlines Logo
11:00 pm - 2:02 pm
SEA
-
MHT
12h 02m
2 stops
$380United Airlines
Thu, May 28 - Tue, Jun 2
Southwest Logo
7:10 pm - 12:05 am
MHT
-
SEA
7h 55m
1 stop
Southwest Logo
5:15 am - 4:00 pm
SEA
-
MHT
7h 45m
1 stop
$386Southwest
Mon, May 4 - Fri, May 8
American Airlines Logo
6:00 am - 11:34 am
MHT
-
SEA
8h 34m
1 stop
American Airlines Logo
10:47 pm - 10:07 am
SEA
-
MHT
8h 20m
1 stop
$387American Airlines
Wed, May 6 - Sat, May 9

Southwest flights from Manchester, New Hampshire to Seattle

Our best Southwest deals on Manchester, New Hampshire to Seattle flight tickets
Southwest
Apr 28
MHT3:45 pmManchester
11h 25m
2 stops
SEA12:10 amSeattle/Tacoma Intl
May 4
SEA5:35 pmSeattle/Tacoma Intl
11h 30m
2 stops
MHT8:05 amManchester
$335
Southwest
May 4
MHT7:10 pmManchester
7h 55m
1 stop
SEA12:05 amSeattle/Tacoma Intl
May 8
SEA5:15 amSeattle/Tacoma Intl
7h 45m
1 stop
MHT4:00 pmManchester
$386
Southwest
May 4
MHT7:10 pmManchester
7h 55m
1 stop
SEA12:05 amSeattle/Tacoma Intl
May 8
SEA11:55 pmSeattle/Tacoma Intl
11h 15m
2 stops
MHT2:10 pmManchester
$391

American Airlines flights from Manchester, New Hampshire to Seattle

Our best American Airlines deals on Manchester, New Hampshire to Seattle flight tickets
American Airlines
Apr 28
MHT5:42 pmManchester
9h 54m
1 stop
SEA12:36 amSeattle/Tacoma Intl
May 4
SEA11:16 amSeattle/Tacoma Intl
8h 35m
1 stop
MHT10:51 pmManchester
$324
American Airlines
May 30
MHT2:57 pmManchester
9h 38m
1 stop
SEA9:35 pmSeattle/Tacoma Intl
Jun 3
SEA5:15 amSeattle/Tacoma Intl
8h 47m
1 stop
MHT5:02 pmManchester
$333
American Airlines
Apr 22
MHT5:41 pmManchester
9h 55m
1 stop
SEA12:36 amSeattle/Tacoma Intl
Apr 29
SEA10:47 pmSeattle/Tacoma Intl
8h 10m
1 stop
MHT9:57 amManchester
$348

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 March 28, 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

Tue 4/28

5:42 pm-12:36 am

1 stop9h 54m

Seattle/Tacoma Intl

Mon 5/4

11:16 am-10:51 pm

1 stop8h 35m

$324

ManchesterSeattle

MHT - SEA

MHTSEA

Manchester

Tue 4/28

2:30 pm-8:53 pm

1 stop9h 23m

Seattle/Tacoma Intl

Mon 5/4

10:53 pm-2:01 pm

2 stops12h 08m

$329

ManchesterSeattle

MHT - SEA

MHTSEA

Manchester

Sat 5/30

2:57 pm-9:35 pm

1 stop9h 38m

Seattle/Tacoma Intl

Wed 6/3

5:15 am-5:02 pm

1 stop8h 47m

$333

ManchesterSeattle

MHT - SEA

MHTSEA

Manchester

Tue 4/28

3:45 pm-12:10 am

2 stops11h 25m

Seattle/Tacoma Intl

Mon 5/4

5:35 pm-8:05 am

2 stops11h 30m

$335

ManchesterSeattle

MHT - SEA

MHTSEA

Manchester

Wed 4/22

5:41 pm-12:36 am

1 stop9h 55m

Seattle/Tacoma Intl

Wed 4/29

10:47 pm-9:57 am

1 stop8h 10m

$348

ManchesterSeattle

MHT - SEA

MHTSEA

Manchester

Thu 5/7

6:46 am-2:27 pm

1 stop10h 41m

Seattle/Tacoma Intl

Thu 5/28

6:00 am-5:29 pm

1 stop8h 29m

$355

ManchesterSeattle

MHT - SEA

MHTSEA

Manchester

Thu 5/7

6:46 am-2:27 pm

1 stop10h 41m

Seattle/Tacoma Intl

Thu 5/28

10:27 am-11:51 pm

2 stops10h 24m

$372

ManchesterSeattle

MHT - SEA

MHTSEA

Manchester

Thu 5/28

2:37 pm-8:46 pm

1 stop9h 09m

Seattle/Tacoma Intl

Tue 6/2

11:00 pm-2:02 pm

2 stops12h 02m

$380
Quickest round-trip

ManchesterSeattle

MHT - SEA

MHTSEA

Manchester

Mon 5/4

7:10 pm-12:05 am

1 stop7h 55m

Seattle/Tacoma Intl

Fri 5/8

5:15 am-4:00 pm

1 stop7h 45m

$386

ManchesterSeattle

MHT - SEA

MHTSEA

Manchester

Wed 5/6

6:00 am-11:34 am

1 stop8h 34m

Seattle/Tacoma Intl

Sat 5/9

10:47 pm-10:07 am

1 stop8h 20m

$387

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 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 April 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 $411. 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 $510.

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 $388 when looking at flights departing in the evening. Flights to Seattle are more costly in the morning, with an average ticket price of $466. 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 2% 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

7h 55m

Direct flights

None
The fastest flight from Manchester, New Hampshire to Seattle takes 7h 55m
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 7h 55m.

  • 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 $326Free CancellationRating
7.1
11,520 reviews
Search American Airlines flights
United AirlinesPriceFrom $342Free CancellationRating
7.4
9,501 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $347Free CancellationRating
7.9
12,133 reviews
Search Alaska Airlines flights
SouthwestPriceFrom $379Free CancellationRating
8.0
4,333 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
Kent
Redmond
Marysville
Puyallup
Lakewood
Cle Elum
Tukwila
Federal Way
Centralia
Fife
Westport
Kirkland
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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