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$174+ 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 9/2. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — MHT
Apr 1 — Apr 81
Tue 4/1
Tue 4/8
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 March 27, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$382
(American Airlines)

One-way from

$174
(American Airlines)

Popular in

December

Cheapest in

September

Average price

$616
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. 19% potential increase in price ($156 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($25 potential savings vs. average RT price).
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Average for round-trip flights in March 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 March 27, 2025.

This American Airlines deal was found by Cheapflights users on 3/27. 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.
Fri 9/55:52 amSEA - MHT
1 stop9h 49mAmerican Airlines
Sat 9/271:10 pmMHT - SEA
1 stop10h 26mAmerican Airlines
Deal found 3/27$382
This United deal was found by Cheapflights users on 3/26. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2312:46 pmSEA - MHT
1 stop8h 13mUnited Airlines
Wed 4/309:40 amMHT - SEA
2 stops16h 03mUnited Airlines
Deal found 3/26$448
This Southwest deal was found by Cheapflights users on 3/25. 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.
Wed 4/305:10 pmSEA - MHT
2 stops13h 55mSouthwest
Mon 5/55:35 amMHT - SEA
2 stops11h 30mSouthwest
Deal found 3/25$465
This Alaska Airlines deal was found by Cheapflights users on 3/25. 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.
Wed 4/306:00 amSEA - MHT
2 stops14h 44mAlaska Airlines
Mon 5/52:08 pmMHT - SEA
1 stop9h 27mAlaska Airlines
Deal found 3/25$517
This Mytrip deal was found by Cheapflights users on 3/26. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1010:45 amSEA - MHT
3 stops31h 01mMultiple Airlines
Mon 4/1411:10 amMHT - SEA
3 stops27h 25mMultiple Airlines
Deal found 3/26$625

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 March 27, 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

Fri 9/5

5:52 am-6:41 pm

1 stop9h 49m

Manchester

Sat 9/27

1:10 pm-8:36 pm

1 stop10h 26m

$382

SeattleManchester

SEA - MHT

SEAMHT

Seattle/Tacoma Intl

Wed 4/23

12:46 pm-11:59 pm

1 stop8h 13m

Manchester

Wed 4/30

9:40 am-10:43 pm

2 stops16h 03m

$448

SeattleManchester

SEA - MHT

SEAMHT

Seattle/Tacoma Intl

Wed 4/30

5:10 pm-10:05 am

2 stops13h 55m

Manchester

Mon 5/5

5:35 am-2:05 pm

2 stops11h 30m

$465

SeattleManchester

SEA - MHT

SEAMHT

Seattle/Tacoma Intl

Wed 4/30

6:00 am-11:44 pm

2 stops14h 44m

Manchester

Mon 5/5

2:08 pm-8:35 pm

1 stop9h 27m

$517

SeattleManchester

SEA - MHT

SEAMHT

Seattle/Tacoma Intl

Thu 4/10

10:45 am-8:46 pm

3 stops31h 01m

Manchester

Mon 4/14

11:10 am-11:35 am

3 stops27h 25m

$625

SeattleManchester

SEA - MHT

SEAMHT

Seattle/Tacoma Intl

Tue 9/2

11:58 pm-11:36 am

1 stop8h 38m

$174

SeattleManchester

SEA - MHT

SEAMHT

Seattle/Tacoma Intl

Thu 5/8

12:55 pm-11:58 pm

1 stop8h 03m

$179

SeattleManchester

SEA - MHT

SEAMHT

Seattle/Tacoma Intl

Tue 9/2

6:45 am-9:30 pm

2 stops11h 45m

$214

SeattleManchester

SEA - MHT

SEAMHT

Seattle/Tacoma Intl

Thu 5/8

6:00 am-4:56 pm

3 stops31h 56m

$236

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/26

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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
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 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, January is the cheapest month in which you can book a flight from Seattle to Manchester, New Hampshire (average of $334). Flying from Seattle to Manchester, New Hampshire in June is currently the most expensive (average of $445). 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.

What is the cheapest time of day to fly from SEA to MHT?

Find hourly flight availability from Seattle to Manchester. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 27, 2025.

It’s typically best to fly out from Seattle to Manchester, New Hampshire at noon. Doing so could potentially save you 17% on the flight price compared to flying in the morning, which is usually more expensive.

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 March 27, 2025.
Southwest
8.1
Very good
4,273 reviews

Comfort

8.1

Entertainment

7.6

Food

7.1

Boarding

8.2

Crew

8.6

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.1
Very good
4,273 reviews
Southwest
8.1
Very good
4,273 reviews

Comfort

8.1

Entertainment

7.6

Food

7.1

Boarding

8.2

Crew

8.6

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Alaska Airlines
8.0
Very good
9,792 reviews
Southwest
8.1
Very good
4,273 reviews

Comfort

8.1

Entertainment

7.6

Food

7.1

Boarding

8.2

Crew

8.6

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
United Airlines
7.4
Good
8,603 reviews
Southwest
8.1
Very good
4,273 reviews

Comfort

8.1

Entertainment

7.6

Food

7.1

Boarding

8.2

Crew

8.6

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,273 reviews

Comfort

8.1

Entertainment

7.6

Food

7.1

Boarding

8.2

Crew

8.6

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

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.

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

    American Airlines, at $382, was found to be the cheapest airline from Seattle to Manchester, New Hampshire.Alternate airlines to your destination round-trip include United Airlines and Southwest. American Airlines is priced at 39% 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 American Airlines ($174), United Airlines ($179), and Southwest ($214).

  • 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 $334). Flying from Seattle to Manchester, New Hampshire in June is currently the most expensive (average of $445). 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

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Top 4 airlines flying from Seattle to Manchester

Discover the top 4 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 March 27, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$336Average$576FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$346Average$496FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$412Average$527FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$587Average$825FlexibilityNo cancel feeOn-time75%
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