Cheap flights from Manchester to Seattle

Roundtrip selected
Roundtrip selected
origin
Enter the city you're flying from, or choose from the options below
Include nearby airports
    selected
    destination
    . Enter your destination, or choose from the options below
    Include nearby airports
      selected
      Travelers and cabin class, 1 Adult, Economy

      Compare Manchester to Seattle flight deals

      Find the cheapest month or even day of the year to fly to Seattle

      Book the best Seattle fare with no extra fees

      Flight deals from Manchester to Seattle

      Looking for a cheap last-minute deal or the best round-trip flight from Manchester Airport to Seattle? If you want to travel next month, round-trip fares start from $344. Find the lowest prices on one-way and round-trip tickets right here.

      Find the cheapest month to fly from Manchester to Seattle

      We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Manchester to Seattle flights are currently cheapest in October.

      Manchester to Seattle: Flight information

      The things to know before you go.
      Cheapest flight found$339
      Cheapest month to flyOctober

      Finding cheap flights from Manchester to Seattle: Frequently asked questions

      There are 4 airports in Seattle: Seattle Lake Union SPB, Seattle Boeing Fld, Seattle / Tacoma International, and Paine Field.
      The best price we found for a round-trip flight from Manchester to Seattle is $339. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
      Currently, there are no airlines that fly direct from Manchester to Seattle. But we found flights with one or more stops from $339.
      There are no flights flying from Manchester to Seattle, as of August 2026.
      The cheapest month to fly from Manchester to Seattle is usually October.
      If you're flying from Manchester Airport, the cheapest airport near Seattle is Seattle / Tacoma International – which is 19.5 km away from the center of Seattle. We've found flights to this airport from $339.
      After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Manchester Airport to Seattle on Monday, October 26, 2026.
      No airlines currently offer direct flights between Manchester Airport and Seattle. Most routes have one or more stops.
      We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Seattle but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

      We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to Seattle is around 40 days in advance, so don’t leave your flight to the last minute.

      In August, the average temperature is usually around 18°C. August is typically the warmest month in Seattle, when it usually averages around 23°C. You can expect the least rain in July. The coldest month is December, with temperatures averaging 0°C. The rainiest month is November.
      Currently, Southwest Airlines offers the cheapest flight tickets to Seattle.

      Traveling from Manchester-Boston Regional Airport (MHT) to Seattle: what you need to know

      • The timezone in Seattle is UTC-8. The city is three hours behind Manchester, where Manchester-Boston Regional Airport is located.

      • Give yourself enough time to get on your MHT to Seattle flight. It's generally best to arrive at least two hours before international departures and an hour ahead for domestic flights.

      • During popular months such as July, it's a good idea to get to the airport earlier than usual. Plan to arrive two hours before a domestic departure and four hours ahead for international flights when you fly during a peak period in general.

      • Located around 8 kilometers from central Manchester, MHT can be reached in about 10 minutes by car (depending on traffic). The journey on public transport takes roughly 30 minutes.

      • Want a leisurely start to your travels? Stay near MHT. Whether you're boarding an early flight from Manchester-Boston Regional Airport to Seattle or just don't want to be rushed, these hotels are a convenient choice:

      • Manchester-Boston Regional Airport has an excellent on-time record, so you're unlikely to face delays. Departures from MHT touch down on schedule 81% of the time.

      • The address for MHT is One Airport Road.

      How to find the cheapest flights from Manchester-Boston Regional Airport (MHT) to Seattle

      • The best price we've seen for a one-way Manchester-Boston Regional Airport to Seattle flight is $168. The cheapest price for a return flight is $339. Remember fares may change due to demand at the time of booking.

      • Don't wait until the last moment. You're more likely to pick up cheap flights from MHT to Seattle if you book ahead. Airlines often offer some fantastic early bird discounts.

      • If you have flexibility with your trip dates, check out the 'Whole month' search tool. It'll give you the cheapest price across each month when searching for a Manchester-Boston Regional Airport to Seattle ticket.

      • Finding a cheap flight from MHT to Seattle is a breeze with Price Alerts. Simply set up one of these automatic notifications and we'll let you know as soon as a better deal is available.

      • Select your ideal arrival and departure times, number of stops and airlines with our filters. Then, sort the results for your flight from Manchester-Boston Regional Airport to Seattle by 'Cheapest,' 'Fastest' or 'Best.'

      Airports in Seattle

      Seattle-Tacoma International Airport (SEA)

      • Seattle-Tacoma International Airport (SEA) to central Seattle takes around 25 minutes to reach by car. The center is roughly 23 kilometers away.

      • Getting there by public transport will take you around 35 minutes.

      • The last thing you want is a long journey to your hotel if you're landing late on a flight from Manchester-Boston Regional Airport to Seattle. Book one of these accommodation options near SEA instead:

      • Lock in the best deal by reserving your ride from Seattle-Tacoma International Airport around one week in advance of your flight from MHT to Seattle.

      Seattle Paine Field International Airport (PAE)

      • Seattle Paine Field International Airport (PAE) is around 40 kilometers from the center of Seattle. Once you've disembarked your flight from Manchester-Boston Regional Airport to Seattle, it'll take you around 40 minutes to get to the heart of the city in a ride-share or cab.

      • If you choose to travel on public transport, the journey will take you 1 hour 30 minutes or so.

      • Following your MHT to Seattle flight, kick back at a hotel near PAE. These are some great options that'll help you switch to relaxation mode:

      • Usually, the sooner you book, the better the deals and choice of vehicles. Lock in your ride from PAE the moment you know your dates.

      King County International Airport (BFI)

      • King County International Airport (BFI) is around 11 kilometers from the center of Seattle. It'll take you about 20 minutes to reach the city center in a cab or ride-share once you've hopped off your flight from Manchester-Boston Regional Airport to Seattle.

      • The journey takes roughly 35 minutes on public transport.

      • Enjoy a quiet, low-key start to your trip by choosing a hotel near BFI after your MHT to Seattle flight. Take a load off after a long travel day or just take a moment to settle into a new destination at:

      • If you're hoping for a specific model or make, booking early gives you a better shot at getting exactly what you want. Reserve your ride from BFI a couple of weeks ahead of your flight from Manchester-Boston Regional Airport to Seattle.

      Best time to go to Seattle

      • It's time to choose your trip dates for your flight from Manchester-Boston Regional Airport to Seattle. July is the busiest month to visit Seattle. If you want a quieter vibe, go in December.

      • Before locking in your Manchester-Boston Regional Airport to Seattle plane ticket, think about the weather you're most comfortable in. August is the warmest month in Seattle, with temperatures ranging from 12ºC (54ºF) to 28ºC (82ºF).

      • If you want cooler conditions, search for a cheap ticket from MHT to Seattle in February when temperatures average between -1ºC (30ºF) and 11ºC (52ºF).

      More about Seattle

      • Start your Seattle trip right by choosing the ideal place to stay. As soon as you've booked your flight from Manchester-Boston Regional Airport to Seattle, check out our selection of accommodation options including:

      • There are so many things to see and do in this city it can be tricky to know where to begin. Pike Place Market, Space Needle and Seattle Skyline are top attractions which should be on any good Seattle itinerary.

      Explore more of the United States

      • Seattle has its own special appeal, but there are so many other parts of the United States waiting to be explored. Around 241 kilometers south of Seattle, a trip to Portland will keep you on the go. Start with leading sights like Portland Japanese Garden, Peninsula Park Rose Garden and Beyond Van Gogh Portland.

      • Around 370 kilometers east of Seattle, Spokane is another essential stop in the United States. Experience this destination's highlights firsthand at Riverside State Park, Spokane Falls (Upper Falls) and Cathedral of Our Lady of Lourdes.

      Prices shown on this page are estimated lowest prices only. Found in the last 12 days.