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$219+ 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 5/26. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — MHT
Mar 20 — Mar 271
Fri 3/20
Fri 3/27
1 adult, Economy
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Cheap 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 February 18, 2026.

This Southwest deal was found by Cheapflights users on 2/16. 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.
Thu 3/125:15 am
SEA
-
MHT
1 stop13h 50m
Southwest
Tue 3/177:25 am
MHT
-
SEA
1 stop8h 20m
Southwest
Deal found 2/16$377
This Southwest deal was found by Cheapflights users on 2/14. 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.
Mon 4/275:15 am
SEA
-
MHT
1 stop7h 45m
Southwest
Thu 4/307:10 pm
MHT
-
SEA
1 stop7h 55m
Southwest
Deal found 2/14$385
This Southwest deal was found by Cheapflights users on 2/18. 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.
Sat 5/911:55 pm
SEA
-
MHT
1 stop7h 45m
Southwest
Sun 5/107:00 pm
MHT
-
SEA
1 stop8h 10m
Southwest
Deal found 2/18$402
This Southwest deal was found by Cheapflights users on 2/18. 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.
Fri 5/85:15 am
SEA
-
MHT
1 stop7h 45m
Southwest
Mon 5/117:10 pm
MHT
-
SEA
1 stop7h 55m
Southwest
Deal found 2/18$411
This Southwest deal was found by Cheapflights users on 2/16. 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.
Tue 6/239:25 pm
SEA
-
MHT
1 stop8h 05m
Southwest
Tue 7/76:15 pm
MHT
-
SEA
1 stop9h 05m
Southwest
Deal found 2/16$437

Find 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 February 18, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$377
(Southwest)

One-way from

$219
(American Airlines)

Popular in

December

Cheapest in

January

Average price

$610
Provider with most accurate pricing for Seattle/Tacoma Intl-Manchester flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Manchester flights.
Search Deals
From Seattle/Tacoma Intl to Manchester
Search Deals
One-way flight from Seattle/Tacoma Intl to Manchester
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($35 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($34 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

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 February 18, 2026.
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 4/27

5:15 am-4:00 pm

1 stop7h 45m

Manchester

Thu 4/30

7:10 pm-12:05 am

1 stop7h 55m

$385

SeattleManchester

SEA - MHT

SEAMHT

Seattle/Tacoma Intl

Sat 5/9

11:55 pm-10:40 am

1 stop7h 45m

Manchester

Sun 5/10

7:00 pm-12:10 am

1 stop8h 10m

$402

SeattleManchester

SEA - MHT

SEAMHT

Seattle/Tacoma Intl

Fri 5/8

5:15 am-4:00 pm

1 stop7h 45m

Manchester

Mon 5/11

7:10 pm-12:05 am

1 stop7h 55m

$411

SeattleManchester

SEA - MHT

SEAMHT

Seattle/Tacoma Intl

Tue 6/23

7:30 pm-8:30 am

2 stops10h 00m

Manchester

Tue 7/7

5:45 am-2:20 pm

2 stops11h 35m

$447

SeattleManchester

SEA - MHT

SEAMHT

Seattle/Tacoma Intl

Wed 4/29

11:16 am-10:51 pm

1 stop8h 35m

Manchester

Tue 5/5

12:06 pm-10:38 pm

2 stops13h 32m

$464

SeattleManchester

SEA - MHT

SEAMHT

Seattle/Tacoma Intl

Tue 6/23

6:55 pm-8:30 am

2 stops10h 35m

Manchester

Mon 7/6

5:35 am-1:55 pm

2 stops11h 20m

$477

SeattleManchester

SEA - MHT

SEAMHT

Seattle/Tacoma Intl

Sat 3/7

10:57 pm-10:33 am

1 stop8h 36m

Manchester

Thu 3/12

4:12 pm-9:57 pm

1 stop8h 45m

$490

SeattleManchester

SEA - MHT

SEAMHT

Seattle/Tacoma Intl

Tue 5/26

10:27 am-11:33 pm

1 stop10h 06m

$219

SeattleManchester

SEA - MHT

SEAMHT

Seattle/Tacoma Intl

Tue 6/23

11:05 pm-10:50 am

1 stop8h 45m

$219

SeattleManchester

SEA - MHT

SEAMHT

Seattle/Tacoma Intl

Wed 7/15

1:00 pm-11:59 pm

1 stop7h 59m

$219

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/17

Showing 1-10 of 16 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 February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Manchester, New Hampshire flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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, March is the cheapest month in which you can book a flight from Seattle to Manchester, New Hampshire (average of $108). Flying from Seattle to Manchester, New Hampshire in January is currently the most expensive (average of $257). 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 February 18, 2026.
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
4,292 reviews

Entertainment

7.5

Overall

8.0

Crew

8.6

Boarding

8.1

Comfort

8.0

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
8.0
Very good
4,292 reviews
Southwest
8.0
Very good
4,292 reviews

Entertainment

7.5

Overall

8.0

Crew

8.6

Boarding

8.1

Comfort

8.0

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
United Airlines
7.4
Good
9,317 reviews
Southwest
8.0
Very good
4,292 reviews

Entertainment

7.5

Overall

8.0

Crew

8.6

Boarding

8.1

Comfort

8.0

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
American Airlines
7.2
Good
11,309 reviews
Southwest
8.0
Very good
4,292 reviews

Entertainment

7.5

Overall

8.0

Crew

8.6

Boarding

8.1

Comfort

8.0

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

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 45m. Airlines will cover a distance of 2451 mi.

  • 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 40% 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 Alaska Airlines ($118), United Airlines ($153), and American Airlines ($162).

  • 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, March is the cheapest month in which you can book a flight from Seattle to Manchester, New Hampshire (average of $108). Flying from Seattle to Manchester, New Hampshire in January is currently the most expensive (average of $257). 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 February 18, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$286Average$543FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$328Average$429FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$377Average$517FlexibilityNo cancel feeOn-time63%

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