$527 Cheap Finnair flights Seattle (SEA) to Manchester (MAN)

View $527 flight on Wed, Aug 20, 2025Opens in a new window

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$527 Cheap Finnair flights Seattle (SEA) to Manchester (MAN)

Prices were available within the past 7 days and start at $527 for one-way flights and $830 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Finnair
Sun, Aug 3 - Tue, Aug 19
SEA
Seattle
MAN
Manchester
$830 Roundtrip, found 2 days ago
$830
Roundtrip
found 2 days ago
Select Finnair flight, departing Sun, Aug 3 from Seattle to Manchester, returning Tue, Aug 19, priced at $830 found 2 days ago
Flights from Seattle (SEA) to Manchester (MAN)
Origin airport
Seattle - Tacoma Intl.
Destination airport
Manchester
Airlines serving
Aer Lingus, Air Canada, Air France, American Airlines, British Airways, Brussels Airlines, Delta, Finnair, Iberia, Icelandair, KLM, Lufthansa, Scandinavian Airlines, Swiss International Air Lines, TAP Portugal, Turkish Airlines, United, Virgin Atlantic
Popular airline
Lufthansa
Distance
4636 mi

Frequently asked questions

How much is a Finnair flight from Seattle - Tacoma Intl. Airport (SEA) to Manchester Airport (MAN)?
You'll find budget-friendly return Finnair flights from $830 from SEA to MAN by sorting your results from "Price (lowest to highest)" on Expedia. Or look for options from $527 for a one-way journey.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from SEA to MAN with Finnair?
Browse for one-way or round-trip flights to Greater Manchester in January or February. You could find lower fares with Finnair during these off-peak months.
What is the cheapest time to book flights from Seattle - Tacoma Intl. Airport (SEA) to Manchester Airport (MAN) with Finnair?
To find affordable flights from SEA to MAN with Finnair, begin searching about one month before your planned departure. You can save 17% when you lock in your international tickets 18 to 29 days ahead instead of booking four to five months in advance. Another tip? Booking on Sunday can lead to average savings of 17% compared to Friday (the most expensive day).**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does Finnair fly nonstop from Seattle - Tacoma Intl. Airport (SEA) to Manchester Airport (MAN)?
To figure out if there's a direct route from SEA to MAN with Finnair or another carrier, use our "Nonstop" filter when browsing for tickets.
What is the earliest Finnair flight from SEA to MAN?
To find the earliest departure from SEA to MAN with Finnair, filter your results by "Morning" and "Early Morning." Booking an early flight usually means you're less likely to experience cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does Finnair fly into in Greater Manchester?
Finnair flights from Seattle - Tacoma Intl. Airport (SEA) to Greater Manchester arrive at Manchester Airport (MAN). This is the main entry point to this destination.
What kind of luggage can I take on a Finnair flight from Seattle - Tacoma Intl. Airport (SEA) to Manchester Airport (MAN)?
Finnair allows passengers to bring 1 checked-in bag weighing up to 50 lb with maximum dimensions of 62 inches on standard economy flights from SEA to MAN. You can also take 1 cabin bag in the cabin. This carry-on luggage must not exceed 9 inches x 15 inches x 15 inches and weigh less than 22 lb. Baggage allowances can differ depending on your cabin class and fare type, so double-check your booking or Finnair's website to avoid extra fees at the airport.
Why fly with Finnair from SEA to MAN?
Finnair makes flying from SEA to MAN more enjoyable with a 4-star airline rating and a rewarding loyalty program. You even have the chance to collect points with Finnair Plus. Be sure to sign up to Expedia's free One Key™ rewards program to earn OneKeyCash™*, which can be redeemed on future trips.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my Finnair flight from Seattle - Tacoma Intl. Airport (SEA) to Manchester Airport (MAN)?
It's generally possible to cancel or change your flight, although there may be additional charges if you booked over 24 hours ago. Need to keep your options open? Make use of our "No cancel fee" or "Changes included" filter to find flights that won't charge you extra if you have to alter your plans. To update your booking, head to "Trips," select your flight and click on "Manage Booking" for further information.

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