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$172+ Cheap flights from Manchester, NH to Seattle (MHT - SEA)

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 6/2. Fares are subject to change and may not be available on all flights or dates of travel.
MHT — SEA
Mar 31 — Apr 71
Mon 3/31
Mon 4/7
1 adult, Economy
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Cheapflights Tip: The best prices from Manchester to Seattle/Tacoma Intl are usually found in January or September, booked 48 days in advance, depart on a Wednesday or Thursday and return on a Tuesday

Cheap flight deals from Manchester to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Manchester (MHT) to Seattle (SEA). 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 26, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$343
(American Airlines)

One-way from

$172
(United Airlines)

Popular in

October

Cheapest in

January

Average price

$542
Provider with most accurate pricing for Manchester-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for Manchester-Seattle/Tacoma Intl flights.
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From Manchester to Seattle/Tacoma Intl
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One-way flight from Manchester to Seattle/Tacoma Intl
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High demand for flights, 0% potential price rise
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Cheapest flight prices on average. 2% potential price decrease ($12 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 Manchester to Seattle

Cheapest flights from Manchester to Seattle
Explore the most affordable flight options available from Manchester to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 26, 2025.

This American Airlines deal was found by Cheapflights users on 3/24. 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.
Wed 6/41:00 pmMHT - SEA
1 stop9h 36mAmerican Airlines
Wed 6/119:50 pmSEA - MHT
1 stop10h 50mAmerican Airlines
Deal found 3/24$343
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/112:50 pmMHT - SEA
2 stops13h 13mUnited Airlines
Mon 5/57:15 pmSEA - MHT
2 stops12h 28mUnited Airlines
Deal found 3/25$353
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.
Tue 9/91:10 pmMHT - SEA
2 stops11h 30mSouthwest
Fri 9/129:10 pmSEA - MHT
1 stop8h 10mSouthwest
Deal found 3/25$387
This Alaska Airlines deal was found by Cheapflights users on 3/23. 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.
Tue 4/82:31 pmMHT - SEA
1 stop9h 24mAlaska Airlines
Sat 4/128:38 amSEA - MHT
1 stop10h 14mAlaska Airlines
Deal found 3/23$708
This Mytrip deal was found by Cheapflights users on 3/24. 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.
Fri 4/1111:10 amMHT - SEA
3 stops27h 25mMultiple Airlines
Sun 4/138:30 amSEA - MHT
2 stops33h 16mMultiple Airlines
Deal found 3/24$763

Cheapflights Fare Finder

Customize your flight search to find flights from Manchester 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, Cheapflights users made 2,558,603 searches. Data last updated March 26, 2025.
Use the filters below to find and compare flights from Manchester to Seattle that are best for you.

Fly from

Manchester

Fly to

Seattle

Route

Depart

Return

Price

ManchesterSeattle

MHT - SEA

MHTSEA

Manchester

Wed 6/4

1:00 pm-7:36 pm

1 stop9h 36m

Seattle/Tacoma Intl

Wed 6/11

9:50 pm-11:40 am

1 stop10h 50m

$343

ManchesterSeattle

MHT - SEA

MHTSEA

Manchester

Thu 5/1

12:50 pm-11:03 pm

2 stops13h 13m

Seattle/Tacoma Intl

Mon 5/5

7:15 pm-10:43 am

2 stops12h 28m

$353

ManchesterSeattle

MHT - SEA

MHTSEA

Manchester

Tue 6/17

5:35 pm-12:05 am

1 stop9h 30m

Seattle/Tacoma Intl

Mon 6/23

10:40 pm-12:40 pm

2 stops11h 00m

$407

ManchesterSeattle

MHT - SEA

MHTSEA

Manchester

Wed 6/4

2:08 pm-10:46 pm

2 stops11h 38m

Seattle/Tacoma Intl

Wed 6/11

7:00 am-11:59 pm

2 stops13h 59m

$577

ManchesterSeattle

MHT - SEA

MHTSEA

Manchester

Mon 4/14

11:10 am-11:35 am

3 stops27h 25m

Seattle/Tacoma Intl

Thu 4/17

12:30 pm-8:46 pm

3 stops29h 16m

$684

ManchesterSeattle

MHT - SEA

MHTSEA

Manchester

Mon 6/2

6:45 pm-1:04 am

1 stop9h 19m

$172

ManchesterSeattle

MHT - SEA

MHTSEA

Manchester

Tue 4/1

3:50 pm-10:05 pm

1 stop9h 15m

$230

ManchesterSeattle

MHT - SEA

MHTSEA

Manchester

Mon 6/9

6:20 am-2:55 pm

2 stops11h 35m

$244

ManchesterSeattle

MHT - SEA

MHTSEA

Manchester

Mon 3/31

11:10 am-8:43 am

2 stops24h 33m

$401

ManchesterSeattle

MHT - SEA

MHTSEA

Manchester

Thu 4/17

2:31 pm-10:37 am

2 stops23h 06m

$410

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/25

Compare providers for flights from Manchester to Seattle

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 Manchester to Seattle 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 Manchester, New Hampshire-Seattle flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Manchester, New Hampshire-Seattle flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Manchester, New Hampshire-Seattle flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Manchester, New Hampshire-Seattle 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 Manchester, New Hampshire-Seattle 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 Manchester to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Manchester 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 Manchester to Seattle

How far ahead should I book a flight from Manchester, New Hampshire to Seattle?

Use this chart to determine the optimal time to book a round-trip flight from Manchester to Seattle. Price data was last updated on March 21, 2025.

To ensure you get the cheapest price possible for a flight from Manchester, New Hampshire to Seattle, you should look to book at least 47 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, January is the cheapest month in which you can book a flight from Manchester, New Hampshire to Seattle (average of $238). Flying from Manchester, New Hampshire to Seattle in July is currently the most expensive (average of $411). 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 MHT to SEA?

Find hourly flight availability from Manchester to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 26, 2025.

A simple way to save on the total cost of your ticket is to fly from Manchester, New Hampshire to Seattle in the afternoon. If you’re flexible enough to do this you can expect to save up to 25% on your trip compared to booking a flight at noon.

Rainfall in Seattle by month

Plan your trip to Seattle by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Seattle ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.

Temperature in Seattle by month

Plan your trip to Seattle by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated March 26, 2025.
Southwest
8.1
Very good
4,274 reviews

Overall

8.1

Comfort

8.1

Food

7.1

Crew

8.6

Boarding

8.2

Entertainment

7.6

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
4,274 reviews
Southwest
8.1
Very good
4,274 reviews

Overall

8.1

Comfort

8.1

Food

7.1

Crew

8.6

Boarding

8.2

Entertainment

7.6

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
9,789 reviews
Southwest
8.1
Very good
4,274 reviews

Overall

8.1

Comfort

8.1

Food

7.1

Crew

8.6

Boarding

8.2

Entertainment

7.6

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
8,608 reviews
Southwest
8.1
Very good
4,274 reviews

Overall

8.1

Comfort

8.1

Food

7.1

Crew

8.6

Boarding

8.2

Entertainment

7.6

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
4,274 reviews

Overall

8.1

Comfort

8.1

Food

7.1

Crew

8.6

Boarding

8.2

Entertainment

7.6

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 Manchester to Seattle. 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 Manchester, New Hampshire to Seattle round-trip?

    Currently priced at $343, American Airlines will fly you from Manchester, New Hampshire to Seattle and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from United Airlines and Southwest - these airlines can fly you to your destination from $353 and $387, respectively. These flights start at 39% lower than the current average price 3 months from now.

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

    The cheapest airlines for a one-way flight from Manchester, New Hampshire to Seattle are United Airlines ($172), American Airlines ($179), and Southwest ($244).

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Manchester to Seattle 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 Manchester, New Hampshire to Seattle?

    Currently, January is the cheapest month in which you can book a flight from Manchester, New Hampshire to Seattle (average of $238). Flying from Manchester, New Hampshire to Seattle in July is currently the most expensive (average of $411). 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
SeaTac
Tukwila
Tacoma
Lakewood
Renton
Lacey
Ocean Shores
Leavenworth
Federal Way
Olympia
Cle Elum
Centralia
Mukilteo
Aberdeen
Shoreline
Lynnwood
Shelton
Silverdale
Redmond
Monroe

Browse thousands of different options on Cheapflights for your next trip

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Top 3 airlines flying from Manchester to Seattle

Discover the top 3 airlines that operate flights from Manchester to Seattle. 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 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$381Average$604FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$401Average$547FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$456Average$566FlexibilityNo cancel feeOn-time63%
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