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Cheap flights from Seattle to London from $220

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to London departing on 10/1. 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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Find the cheapest flights from Seattle to London

Cheap round-trip flights

Logo
7:20 am - 6:25 pmSEA-LGW
27h 05m2 stops
Logo
10:00 pm - 8:45 pmLGW-SEA
30h 45m2 stops
$462
Find Deal
Wed, Aug 13 - Wed, Aug 20
Virgin Atlantic Logo
8:25 pm - 2:15 pmSEA-LHR
9h 50mnonstop
Virgin Atlantic Logo
6:15 am - 11:15 amLHR-SEA
13h 00m1 stop
$462Virgin Atlantic
Find Deal
Sun, Aug 10 - Tue, Aug 26
Aer Lingus Logo
7:35 pm - 6:55 pmSEA-LHR
15h 20m1 stop
Aer Lingus Logo
9:50 am - 5:50 pmLHR-SEA
16h 00m1 stop
$465Aer Lingus
Find Deal
Sun, Sep 7 - Tue, Sep 23
Aer Lingus Logo
7:35 pm - 8:20 pmSEA-LHR
16h 45m1 stop
Aer Lingus Logo
9:50 am - 5:50 pmLHR-SEA
16h 00m1 stop
$471Aer Lingus
Find Deal
Mon, Sep 8 - Fri, Sep 19
Icelandair Logo
7:00 pm - 2:40 pmSEA-LGW
11h 40m1 stop
Icelandair Logo
3:40 pm - 5:50 pmLGW-SEA
34h 10m1 stop
$486Icelandair
Find Deal
Tue, Sep 30 - Sat, Oct 11
Icelandair Logo
2:35 pm - 10:55 amSEA-LGW
12h 20m1 stop
Icelandair Logo
11:55 am - 5:00 pmLGW-SEA
13h 05m1 stop
$490Icelandair
Find Deal
Wed, Nov 12 - Sat, Nov 22
British Airways Logo
8:20 pm - 1:40 pmSEA-LHR
9h 20mnonstop
British Airways Logo
9:25 am - 11:10 amLHR-SEA
9h 45mnonstop
$495British Airways
Find Deal
Wed, Oct 1 - Tue, Oct 14
British Airways Logo
6:50 pm - 12:20 pmSEA-LHR
9h 30mnonstop
British Airways Logo
2:55 pm - 4:55 pmLHR-SEA
10h 00mnonstop
$496British Airways
Find Deal
Wed, Nov 12 - Wed, Nov 19
Delta Logo
5:35 pm - 11:20 amSEA-LHR
9h 45mnonstop
Delta Logo
6:30 am - 3:55 pmLHR-SEA
17h 25m1 stop
$509Delta
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Mon, Aug 18 - Fri, Aug 29
Delta Logo
11:25 am - 10:15 amSEA-LHR
14h 50m1 stop
Delta Logo
6:15 am - 11:15 amLHR-SEA
13h 00m1 stop
$512Delta
Find Deal
Wed, Sep 3 - Tue, Sep 30

British Airways flights from Seattle to Brighton

Our best British Airways deals on Seattle to Brighton flight tickets
British Airways
Oct 1
SEA8:20 pmSeattle/Tacoma Intl
9h 20m
LHR1:40 pmLondon Heathrow
Oct 14
LHR9:25 amLondon Heathrow
9h 45m
SEA11:10 amSeattle/Tacoma Intl
$495
Find similar
British Airways
Nov 12
SEA6:50 pmSeattle/Tacoma Intl
9h 30m
LHR12:20 pmLondon Heathrow
Nov 19
LHR2:55 pmLondon Heathrow
10h 00m
SEA4:55 pmSeattle/Tacoma Intl
$496
Find similar
British Airways
Aug 19
SEA1:30 pmSeattle/Tacoma Intl
9h 20m
LHR6:50 amLondon Heathrow
Sep 19
LHR9:50 amLondon Heathrow
9h 45m
SEA11:35 amSeattle/Tacoma Intl
$505
Find similar

Icelandair flights from Seattle to Brighton

Our best Icelandair deals on Seattle to Brighton flight tickets
Icelandair
Sep 30
SEA7:00 pmSeattle/Tacoma Intl
11h 40m
1 stop
LGW2:40 pmLondon Gatwick
Oct 11
LGW3:40 pmLondon Gatwick
34h 10m
1 stop
SEA5:50 pmSeattle/Tacoma Intl
$486
Find similar
Icelandair
Oct 14
SEA3:45 pmSeattle/Tacoma Intl
20h 35m
1 stop
LHR8:20 pmLondon Heathrow
Oct 23
LHR1:05 pmLondon Heathrow
12h 45m
1 stop
SEA5:50 pmSeattle/Tacoma Intl
$490
Find similar
Icelandair
Oct 1
SEA3:45 pmSeattle/Tacoma Intl
20h 35m
1 stop
LHR8:20 pmLondon Heathrow
Oct 11
LHR9:25 pmLondon Heathrow
31h 15m
1 stop
SEA8:40 pmSeattle/Tacoma Intl
$491
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Seattle to Brighton 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 832,500 searches. Data last updated July 31, 2025.
Use the filters below to find and compare flights from Seattle to Brighton that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleLondon

SEA - LGW

SEALGW

Seattle/Tacoma Intl

Wed 8/13

7:20 am-6:25 pm

2 stops27h 05m

London Gatwick

Wed 8/20

10:00 pm-8:45 pm

2 stops30h 45m

$462

SeattleLondon

SEA - LHR

SEALHR

Seattle/Tacoma Intl

Sun 8/10

8:25 pm-2:15 pm

Nonstop9h 50m

London Heathrow

Tue 8/26

6:15 am-11:15 am

1 stop13h 00m

$462

SeattleLondon

SEA - LHR

SEALHR

Seattle/Tacoma Intl

Sun 9/7

7:35 pm-6:55 pm

1 stop15h 20m

London Heathrow

Tue 9/23

9:50 am-5:50 pm

1 stop16h 00m

$465

SeattleLondon

SEA - LHR

SEALHR

Seattle/Tacoma Intl

Mon 9/8

7:35 pm-8:20 pm

1 stop16h 45m

London Heathrow

Fri 9/19

9:50 am-5:50 pm

1 stop16h 00m

$471

SeattleLondon

SEA - LGW

SEALGW

Seattle/Tacoma Intl

Tue 9/30

7:00 pm-2:40 pm

1 stop11h 40m

London Gatwick

Sat 10/11

3:40 pm-5:50 pm

1 stop34h 10m

$486

SeattleLondon

SEA - LGW

SEALGW

Seattle/Tacoma Intl

Wed 11/12

2:35 pm-10:55 am

1 stop12h 20m

London Gatwick

Sat 11/22

11:55 am-5:00 pm

1 stop13h 05m

$490

SeattleLondon

SEA - LHR

SEALHR

Seattle/Tacoma Intl

Wed 10/1

8:20 pm-1:40 pm

Nonstop9h 20m

London Heathrow

Tue 10/14

9:25 am-11:10 am

Nonstop9h 45m

$495

SeattleLondon

SEA - LHR

SEALHR

Seattle/Tacoma Intl

Wed 11/12

6:50 pm-12:20 pm

Nonstop9h 30m

London Heathrow

Wed 11/19

2:55 pm-4:55 pm

Nonstop10h 00m

$496

SeattleLondon

SEA - LHR

SEALHR

Seattle/Tacoma Intl

Mon 8/18

5:35 pm-11:20 am

Nonstop9h 45m

London Heathrow

Fri 8/29

6:30 am-3:55 pm

1 stop17h 25m

$509

SeattleLondon

SEA - LHR

SEALHR

Seattle/Tacoma Intl

Wed 9/3

11:25 am-10:15 am

1 stop14h 50m

London Heathrow

Tue 9/30

6:15 am-11:15 am

1 stop13h 00m

$512

Flights are sorted by cheapest round-trip flights first.

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

How to get the cheapest flight ticket from Seattle to Brighton

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 cheapest month to fly to Brighton?

The month of October is, on average, the cheapest month to fly to Brighton from Seattle, with most prices found around $664. If you are unable to visit Brighton during the month of October, then departing from Seattle during the month January is also very affordable. Most momondo users find prices during this month for around $674.

What is the cheapest Seattle/Tacoma Intl to Brighton flight route?

Fly from Seattle/Tacoma Intl to London Heathrow for the best Seattle/Tacoma Intl - Brighton flight prices

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

You are more likely to see cheaper flights to Brighton from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Brighton for around $805 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Brighton from Seattle for as low as $706 on momondo.

What cabin class options are available on Seattle/Tacoma Intl to Brighton flights?

There are 4 cabin classes available to choose from on Seattle/Tacoma Intl to Brighton flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Seattle to Brighton flights?

No. A direct flight is the cheapest option for a flight between Seattle to Brighton.

Cheap Seattle to Brighton flight deals and tips

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

Best Price Found

$220

Fastest flight time

9h 20m

Direct flights

Every day

Airports in Brighton

6 airports
The best one-way flight to Brighton from Seattle in the past 72 hours is $220. The best round-trip flight deal from Seattle to Brighton found on momondo in the last 72 hours is $462.
The fastest flight from Seattle to Brighton takes 9h 20m
Direct flights go from Seattle to Brighton every day.
There are 6 airports near Brighton: London City (LCY), London Heathrow (LHR), London Luton (LTN), London Stansted (STN), London Gatwick (LGW), London Southend (SEN)
Search flight deals

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

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

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

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

    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 Seattle/Tacoma Intl Airport to Brighton.

  • What documentation or ID do you need to fly to Brighton?

    The travel and health documents required for your trip to Brighton 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 Brighton. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Seattle to Brighton?

Best airlines flying from Seattle to Brighton

Compare and see reviews for airlines that fly from Seattle to Brighton with momondo
Airline
Rating
Free Cancellation
Price
LufthansaPriceFrom $378Free CancellationRating
6.8
7,275 reviews
Search Lufthansa flights
IcelandairPriceFrom $503Free CancellationRating
7.0
520 reviews
Search Icelandair flights
Scandinavian AirlinesPriceFrom $532Free CancellationRating
7.3
1,457 reviews
Search Scandinavian Airlines flights
United AirlinesPriceFrom $547Free CancellationRating
7.4
8,900 reviews
Search United Airlines flights
FinnairPriceFrom $556Free CancellationRating
7.6
1,316 reviews
Search Finnair flights
Air FrancePriceFrom $565Free CancellationRating
7.5
1,465 reviews
Search Air France flights
IberiaPriceFrom $578Free CancellationRating
7.0
2,859 reviews
Search Iberia flights
British AirwaysPriceFrom $580Free CancellationRating
6.6
7,222 reviews
Search British Airways flights
Aer LingusPriceFrom $583Free CancellationRating
7.1
1,192 reviews
Search Aer Lingus flights
KLMPriceFrom $596Free CancellationRating
7.8
1,383 reviews
Search KLM flights

Why use momondo?

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

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

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

momondo does allow users to show only those flights to Brighton from Seattle which offer a flexible booking policy as well as other useful filters and features.

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

Once all potential Seattle to Brighton 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 Seattle to Brighton right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Seattle to Brighton flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Brighton trip

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