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$265+ Cheap flights from Seattle to Manchester, NH (SEA - MHT)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/19. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — MHT
Dec 17 — Dec 241
Wed 12/17
Wed 12/24
1 adult, Economy
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Cheap flight deals from Seattle to Manchester

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Manchester (MHT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 17, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$437
(United Airlines)

One-way from

$399
(Alaska Airlines)

Popular in

December

Cheapest in

January

Average price

$517
Provider with most accurate pricing for Seattle/Tacoma Intl-Manchester flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Manchester flights.
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From Seattle/Tacoma Intl to Manchester
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One-way flight from Seattle/Tacoma Intl to Manchester
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Highest demand for flights based on searches. 3% potential increase in price ($20 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($31 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Find flight deals from Seattle to Manchester

Cheapest flights from Seattle to Manchester
Explore the most affordable flight options available from Seattle to Manchester. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 17, 2025.

This United Airlines deal was found by Cheapflights users on 11/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/58:10 amSEA - MHT
1 stop7h 39mUnited Airlines
Thu 12/112:32 pmMHT - SEA
1 stop9h 22mUnited Airlines
Deal found 11/17$527
This American Airlines deal was found by Cheapflights users on 11/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/412:38 amSEA - MHT
2 stops11h 52mAmerican Airlines
Thu 12/113:55 pmMHT - SEA
1 stop8h 55mAmerican Airlines
Deal found 11/17$532
This American Airlines deal was found by Cheapflights users on 11/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/110:07 pmSEA - MHT
1 stop9h 56mAmerican Airlines
Fri 12/53:55 pmMHT - SEA
1 stop8h 55mAmerican Airlines
Deal found 11/16$557
This United Airlines deal was found by Cheapflights users on 11/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/111:50 pmSEA - MHT
2 stops11h 07mUnited Airlines
Fri 12/52:32 pmMHT - SEA
1 stop9h 22mUnited Airlines
Deal found 11/16$662
This Cheapflightsfares deal was found by Cheapflights users on 11/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/188:00 amSEA - MHT
2 stops12h 34mAlaska Airlines
Wed 1/74:06 pmMHT - SEA
1 stop9h 23mAlaska Airlines
Deal found 11/17$671
This Cheapflightsfares deal was found by Cheapflights users on 11/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/188:00 amSEA - MHT
2 stops12h 34mAlaska Airlines
Tue 1/64:06 pmMHT - SEA
1 stop8h 53mAlaska Airlines
Deal found 11/17$701
This Cheapflightsfares deal was found by Cheapflights users on 11/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/229:00 amSEA - MHT
2 stops11h 34mAlaska Airlines
Thu 1/84:06 pmMHT - SEA
1 stop9h 23mAlaska Airlines
Deal found 11/16$806
This Alaska Airlines deal was found by Cheapflights users on 11/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/19:36 pmSEA - MHT
1 stop10h 27mAlaska Airlines
Fri 12/53:55 pmMHT - SEA
1 stop9h 17mAlaska Airlines
Deal found 11/16$837
This Southwest deal was found by Cheapflights users on 11/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/216:15 amSEA - MHT
2 stops13h 45mSouthwest
Sun 12/287:40 amMHT - SEA
2 stops14h 35mSouthwest
Deal found 11/16$888

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to Manchester 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, Cheapflights users made 2,558,603 searches. Data last updated November 17, 2025.
Use the filters below to find and compare flights from Seattle to Manchester that are best for you.

Fly from

Seattle

Fly to

Manchester

Route

Depart

Return

Price

SeattleManchester

SEA - MHT

SEAMHT

Seattle/Tacoma Intl

Mon 1/5

8:00 am-6:51 pm

1 stop7h 51m

Manchester

Mon 1/12

2:17 pm-8:57 pm

1 stop9h 40m

$437

SeattleManchester

SEA - MHT

SEAMHT

Seattle/Tacoma Intl

Sun 1/4

12:59 am-3:50 pm

2 stops11h 51m

Manchester

Mon 1/12

4:06 pm-10:07 pm

1 stop9h 01m

$442

SeattleManchester

SEA - MHT

SEAMHT

Seattle/Tacoma Intl

Fri 12/5

8:10 am-6:49 pm

1 stop7h 39m

Manchester

Thu 12/11

2:32 pm-8:54 pm

1 stop9h 22m

$527

SeattleManchester

SEA - MHT

SEAMHT

Seattle/Tacoma Intl

Thu 12/4

12:38 am-3:30 pm

2 stops11h 52m

Manchester

Thu 12/11

3:55 pm-12:55 am

2 stops12h 00m

$537

SeattleManchester

SEA - MHT

SEAMHT

Seattle/Tacoma Intl

Mon 1/12

8:10 am-6:51 pm

1 stop7h 41m

Manchester

Thu 1/15

2:17 pm-8:57 pm

1 stop9h 40m

$537

SeattleManchester

SEA - MHT

SEAMHT

Seattle/Tacoma Intl

Tue 3/10

1:55 pm-12:41 am

1 stop7h 46m

Manchester

Wed 3/11

4:20 pm-9:53 pm

1 stop8h 33m

$537

SeattleManchester

SEA - MHT

SEAMHT

Seattle/Tacoma Intl

Fri 12/19

8:40 am-12:25 am

2 stops12h 45m

$265

SeattleManchester

SEA - MHT

SEAMHT

Seattle/Tacoma Intl

Sun 1/4

11:59 pm-6:51 pm

2 stops15h 52m

$274

SeattleManchester

SEA - MHT

SEAMHT

Seattle/Tacoma Intl

Thu 12/4

9:35 pm-11:12 am

1 stop10h 37m

$399

SeattleManchester

SEA - MHT

SEAMHT

Seattle/Tacoma Intl

Thu 12/18

12:13 am-3:50 pm

2 stops12h 37m

$539

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/17

Showing 1-10 of 14 results
1
2

Compare providers for flights from Seattle to Manchester

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seattle to Manchester in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Seattle-Manchester, New Hampshire flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Seattle-Manchester, New Hampshire flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Seattle-Manchester, New Hampshire flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seattle-Manchester, New Hampshire flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-Manchester, New Hampshire flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Seattle to Manchester

Have a flexible travel schedule? Discover the best time to fly to Manchester from Seattle with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Seattle to Manchester

What is the cheapest month to book a flight from Seattle to Manchester, New Hampshire?

Currently, January is the cheapest month in which you can book a flight from Seattle to Manchester, New Hampshire (average of $98). Flying from Seattle to Manchester, New Hampshire in August is currently the most expensive (average of $178). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Manchester

Get insights into the airlines that provide service to Manchester. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Manchester. Reviews last updated November 17, 2025.
Peruse reviews from past customers who have flown with Southwest, United Airlines, and American Airlines from Seattle to Manchester to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,245 reviews

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Food

7.0

Crew

8.6

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,245 reviews
Southwest
8.0
Very good
4,245 reviews

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Food

7.0

Crew

8.6

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
9,014 reviews
Southwest
8.0
Very good
4,245 reviews

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Food

7.0

Crew

8.6

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
11,048 reviews
Southwest
8.0
Very good
4,245 reviews

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Food

7.0

Crew

8.6

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

Find useful and relevant information for your journey from Seattle to Manchester. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Seattle to Manchester, New Hampshire?

    Departing from Seattle to Manchester, New Hampshire will take you 7h 51m. Airlines will cover a distance of 2451 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Seattle to Manchester, New Hampshire round-trip?

    United Airlines, at $328, was found to be the cheapest airline from Seattle to Manchester, New Hampshire.Alternate airlines to your destination round-trip include American Airlines and Southwest. United Airlines is priced at 41% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Seattle to Manchester, New Hampshire one-way?

    The cheapest airlines for a one-way flight from Seattle to Manchester, New Hampshire are Southwest ($265), United Airlines ($274), and Alaska Airlines ($399).

  • Can I find deals for flights from Seattle to Manchester that include hotel bookings?

    Yes. In addition to deals on Seattle to Manchester flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Manchester?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Manchester.

  • Can I find deals for business class flights from Seattle to Manchester?

    Yes. Cheapflights offers flight deals from Seattle to Manchester by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Seattle to Manchester, New Hampshire?

    Currently, January is the cheapest month in which you can book a flight from Seattle to Manchester, New Hampshire (average of $98). Flying from Seattle to Manchester, New Hampshire in August is currently the most expensive (average of $178). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Manchester?

Book flights to Manchester if you plan to visit one of these locations
Keene

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Top 3 airlines flying from Seattle to Manchester

Discover the top 3 airlines that operate flights from Seattle to Manchester. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$328Average$442FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$333Average$543FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$377Average$517FlexibilityNo cancel feeOn-time63%

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