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Cheap flights from Manchester to Seattle from £300

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Manchester to Seattle departing on 20/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Icelandair Logo
11:55 - 17:00MAN-SEA
13h 05m1 stop
Icelandair Logo
14:35 - 10:45SEA-MAN
12h 10m1 stop
£522Icelandair
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Fri, 21 Nov - Fri, 28 Nov
Icelandair Logo
11:55 - 17:00MAN-SEA
13h 05m1 stop
Icelandair Logo
14:35 - 10:45SEA-MAN
12h 10m1 stop
£523Icelandair
Find Deal
Fri, 21 Nov - Sun, 30 Nov
Icelandair Logo
11:55 - 17:00MAN-SEA
13h 05m1 stop
Icelandair Logo
14:35 - 10:45SEA-MAN
12h 10m1 stop
£524Icelandair
Find Deal
Sat, 22 Nov - Sun, 30 Nov
Icelandair Logo
11:55 - 17:00MAN-SEA
13h 05m1 stop
Icelandair Logo
14:35 - 10:45SEA-MAN
12h 10m1 stop
£542Icelandair
Find Deal
Thu, 20 Nov - Sat, 29 Nov
British Airways Logo
06:15 - 11:30MAN-SEA
13h 15m1 stop
British Airways Logo
13:35 - 11:45SEA-MAN
14h 10m1 stop
£579British Airways
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Sat, 15 Nov - Sat, 22 Nov
British Airways Logo
06:15 - 16:55MAN-SEA
18h 40m1 stop
British Airways Logo
13:25 - 14:00SEA-MAN
16h 35m1 stop
£597British Airways
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Tue, 25 Nov - Tue, 2 Dec
Aer Lingus Logo
13:55 - 18:20MAN-SEA
12h 25m1 stop
Aer Lingus Logo
20:05 - 20:10SEA-MAN
16h 05m1 stop
£606Aer Lingus
Find Deal
Sun, 16 Nov - Sun, 23 Nov
Aer Lingus Logo
13:55 - 18:20MAN-SEA
12h 25m1 stop
Aer Lingus Logo
20:05 - 19:15SEA-MAN
15h 10m1 stop
£612Aer Lingus
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Fri, 21 Nov - Fri, 28 Nov
Virgin Atlantic Logo
19:40 - 13:20MAN-SEA
25h 40m1 stop
Virgin Atlantic Logo
22:48 - 06:40SEA-MAN
23h 52m1 stop
£630Virgin Atlantic
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Sun, 9 Nov - Sun, 16 Nov
Finnair Logo
08:55 - 10:25MAN-SEA
33h 30m2 stops
Finnair Logo
00:59 - 15:35SEA-MAN
30h 36m2 stops
£642Finnair
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Sun, 9 Nov - Sat, 15 Nov

British Airways flights from Manchester to Seattle

Our best British Airways deals on Manchester to Seattle flight tickets
British Airways
15 Nov
MAN06:15Manchester
13h 15m
1 stop
SEA11:30Seattle/Tacoma Intl
22 Nov
SEA13:35Seattle/Tacoma Intl
14h 10m
1 stop
MAN11:45Manchester
£579
Find similar
British Airways
25 Nov
MAN06:15Manchester
18h 40m
1 stop
SEA16:55Seattle/Tacoma Intl
2 Dec
SEA13:25Seattle/Tacoma Intl
16h 35m
1 stop
MAN14:00Manchester
£597
Find similar
British Airways
15 Nov
MAN12:40Manchester
18h 38m
2 stops
SEA23:18Seattle/Tacoma Intl
22 Nov
SEA13:35Seattle/Tacoma Intl
14h 10m
1 stop
MAN11:45Manchester
£598
Find similar

United Airlines flights from Manchester to Seattle

Our best United Airlines deals on Manchester to Seattle flight tickets
United Airlines
21 Nov
MAN06:10Manchester
24h 34m
2 stops
SEA22:44Seattle/Tacoma Intl
29 Nov
SEA14:00Seattle/Tacoma Intl
14h 10m
1 stop
MAN12:10Manchester
£596
Find similar
United Airlines
9 Nov
MAN12:50Manchester
31h 20m
1 stop
SEA12:10Seattle/Tacoma Intl
16 Nov
SEA05:05Seattle/Tacoma Intl
27h 55m
2 stops
MAN17:00Manchester
£605
Find similar
United Airlines
25 Nov
MAN06:00Manchester
25h 44m
3 stops
SEA23:44Seattle/Tacoma Intl
2 Dec
SEA13:40Seattle/Tacoma Intl
35h 00m
2 stops
MAN08:40Manchester
£636
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momondo Fare Finder

 
Customise 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, momondo users made 279,928 searches. Data last updated 3 October 2025.
Use the filters below to find and compare flights from Manchester to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ManchesterSeattle

MAN - SEA

MANSEA

Manchester

Fri 21/11

11:55-17:00

1 stop13h 05m

Seattle/Tacoma Intl

Fri 28/11

14:35-10:45

1 stop12h 10m

£522

ManchesterSeattle

MAN - SEA

MANSEA

Manchester

Fri 21/11

11:55-17:00

1 stop13h 05m

Seattle/Tacoma Intl

Sun 30/11

14:35-10:45

1 stop12h 10m

£523

ManchesterSeattle

MAN - SEA

MANSEA

Manchester

Sat 22/11

11:55-17:00

1 stop13h 05m

Seattle/Tacoma Intl

Sun 30/11

14:35-10:45

1 stop12h 10m

£524

ManchesterSeattle

MAN - SEA

MANSEA

Manchester

Thu 20/11

11:55-17:00

1 stop13h 05m

Seattle/Tacoma Intl

Sat 29/11

14:35-10:45

1 stop12h 10m

£542

ManchesterSeattle

MAN - SEA

MANSEA

Manchester

Sat 15/11

06:15-11:30

1 stop13h 15m

Seattle/Tacoma Intl

Sat 22/11

13:35-11:45

1 stop14h 10m

£579

ManchesterSeattle

MAN - SEA

MANSEA

Manchester

Tue 25/11

06:15-16:55

1 stop18h 40m

Seattle/Tacoma Intl

Tue 2/12

13:25-14:00

1 stop16h 35m

£597

ManchesterSeattle

MAN - SEA

MANSEA

Manchester

Sun 16/11

13:55-18:20

1 stop12h 25m

Seattle/Tacoma Intl

Sun 23/11

20:05-20:10

1 stop16h 05m

£606

ManchesterSeattle

MAN - SEA

MANSEA

Manchester

Fri 21/11

13:55-18:20

1 stop12h 25m

Seattle/Tacoma Intl

Fri 28/11

20:05-19:15

1 stop15h 10m

£612

ManchesterSeattle

MAN - SEA

MANSEA

Manchester

Sun 9/11

19:40-13:20

1 stop25h 40m

Seattle/Tacoma Intl

Sun 16/11

22:48-06:40

1 stop23h 52m

£630

ManchesterSeattle

MAN - SEA

MANSEA

Manchester

Sun 9/11

08:55-10:25

2 stops33h 30m

Seattle/Tacoma Intl

Sat 15/11

00:59-15:35

2 stops30h 36m

£642

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Seattle from

How to get the cheapest flight ticket from Manchester to Seattle

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Manchester and Seattle?

What is the cheapest month to fly to Seattle?

The cheapest month to fly to Seattle from Manchester is in March. Flight prices, which tend to average around £544, are often lower during this time because this is during the off-season. The month of January is another great option to travel to Seattle, with average flight prices from Manchester averaging around £550.

What is the cheapest day to depart on your flight to Seattle?

According to our data, Wednesday is the cheapest day to fly to Seattle from Manchester. The lowest ticket price found for a Wednesday departure recently was £605. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Be sure to avoid booking your departure on a Friday as prices are generally higher than usual. According to our data, the average ticket price to Seattle on Friday is £719.

What is the cheapest time of day to depart on your flight to Seattle?

According to our data, the cheapest time of day to fly to Seattle is at midday. momondo users have found flights departing from Manchester to Seattle at midday for as low as £625. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the evening are often more expensive, with an average ticket price of £771.

How far in advance should I book a flight to Seattle?

You are more likely to see cheaper flights to Seattle from Manchester when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around £630 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Manchester for as low as £567 on momondo.

How have Manchester to Seattle flight prices changed over time?

As of October 2025, prices for Manchester to Seattle flights are approximately 21% more expensive when compared to flights at the same time last year.

When to book flights from Manchester to Seattle

Are you open to changing your travel dates? Check out the ideal times to fly from Manchester to Seattle according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Manchester to Seattle (MAN to SEA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Manchester to Seattle

Direct flights

None
There are no direct flights from Manchester to Seattle. There are no popular flight routes from Manchester to Seattle.
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  • How far is Manchester to Seattle/Tacoma Intl by plane?

    There are 4618.9 mi between Manchester and Seattle/Tacoma Intl. In terms of flight time, this usually takes a little over 12h 25m.

  • When did momondo last update prices for flights from Manchester Airport to Seattle/Tacoma Intl Airport?

    Prices for flights from Manchester Airport to Seattle/Tacoma Intl Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Manchester Airport to Seattle/Tacoma Intl Airport?

  • How old do you have to be to fly from Manchester Airport to Seattle/Tacoma Intl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Manchester Airport to Seattle/Tacoma Intl Airport.

  • What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

    The travel and health documents required for your trip to Seattle/Tacoma Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Seattle/Tacoma Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Manchester to Seattle?

Best airlines flying from Manchester to Seattle

Compare and see reviews for airlines that fly from Manchester to Seattle with momondo
Airline
Rating
Free Cancellation
Price
Scandinavian AirlinesPriceFrom £440Free CancellationRating
7.4
1,514 reviews
Search Scandinavian Airlines flights
FinnairPriceFrom £455Free CancellationRating
7.6
1,332 reviews
Search Finnair flights
Aer LingusPriceFrom £464Free CancellationRating
7.2
1,309 reviews
Search Aer Lingus flights
IcelandairPriceFrom £480Free CancellationRating
7.0
546 reviews
Search Icelandair flights
British AirwaysPriceFrom £487Free CancellationRating
6.7
7,415 reviews
Search British Airways flights
Air FrancePriceFrom £496Free CancellationRating
7.4
1,467 reviews
Search Air France flights
Virgin AtlanticPriceFrom £505Free CancellationRating
7.4
665 reviews
Search Virgin Atlantic flights
LufthansaPriceFrom £519Free CancellationRating
6.8
7,444 reviews
Search Lufthansa flights
DeltaPriceFrom £521Free CancellationRating
7.9
7,962 reviews
Search Delta flights
United AirlinesPriceFrom £546Free CancellationRating
7.4
8,933 reviews
Search United Airlines flights

Travelling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Fife
Tukwila
Renton
SeaTac

Why use momondo?

Why should I use momondo to find a flight deal from Manchester to Seattle?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Manchester to Seattle. momondo saves you time and could save you money on your trip.

Can I find flights from Manchester to Seattle with flexible booking policies on momondo?

Flights from Manchester to Seattle with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Manchester to Seattle?

Once all potential Manchester to Seattle flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Manchester to Seattle right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Manchester to Seattle now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Seattle and let you know when they change.

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