Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Brighton to Seattle from £423

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 15/12. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SEA
19 Jul — 26 Jul1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Brighton to Seattle/Tacoma Intl are usually found in February or January, booked 83 days in advance, depart on a Thursday or Wednesday and return on a Tuesday

Cheap flight deals from Brighton to Seattle

Enter your travel dates to find the best prices.

Cheapest flights from Brighton to Seattle
Explore the most affordable flight options available from Brighton to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 19 June 2026.

Tue 7/709:55
LHR
-
SEA
1 stop14h 25m
Multiple Airlines
Tue 14/721:50
SEA
-
LHR
Nonstop9h 45m
Multiple Airlines
Deal found 18/6£478
Fri 4/907:25
LHR
-
SEA
1 stop17h 34m
United Airlines
Sun 6/905:00
SEA
-
LHR
2 stops17h 45m
United Airlines
Deal found 18/6£478
Tue 1/906:50
LHR
-
SEA
2 stops19h 51m
United Airlines
Tue 8/907:00
SEA
-
LHR
2 stops15h 55m
United Airlines
Deal found 18/6£480
Thu 2/716:40
LHR
-
SEA
1 stop36h 06m
Lufthansa
Sun 5/718:50
SEA
-
LHR
1 stop15h 35m
Lufthansa
Deal found 18/6£481
Mon 31/815:40
LGW
-
SEA
1 stop28h 05m
Icelandair
Tue 8/919:00
SEA
-
LGW
1 stop11h 40m
Icelandair
Deal found 17/6£481
Sat 24/1014:25
LHR
-
SEA
1 stop27h 03m
Finnair
Sat 31/1014:35
SEA
-
LHR
Nonstop9h 35m
Finnair
Deal found 18/6£481
Thu 25/615:00
LHR
-
SEA
1 stop15h 42m
Air Canada
Sat 11/705:45
SEA
-
LHR
2 stops16h 45m
Air Canada
Deal found 18/6£482
Sat 27/610:00
LCY
-
SEA
1 stop14h 24m
Delta
Fri 3/707:30
SEA
-
LCY
2 stops17h 20m
Delta
Deal found 17/6£483
Sat 20/617:45
LHR
-
SEA
Nonstop10h 16m
Delta
Fri 3/721:50
SEA
-
LHR
Nonstop9h 45m
Delta
Deal found 17/6£483
Sat 4/710:25
LGW
-
SEA
1 stop15h 02m
Delta
Mon 13/718:35
SEA
-
LGW
1 stop13h 25m
Delta
Deal found 17/6£484
Tue 30/609:40
LHR
-
SEA
1 stop19h 49m
Virgin Atlantic
Mon 13/722:50
SEA
-
LHR
2 stops23h 30m
Virgin Atlantic
Deal found 18/6£484
Sat 27/610:25
LGW
-
SEA
1 stop15h 05m
Delta
Fri 3/718:35
SEA
-
LGW
1 stop13h 25m
Delta
Deal found 17/6£484

Find flight deals from Brighton to Seattle

Keep the following information in mind while searching for Brighton to Seattle flight deals. Data was last updated 19 June 2026.

Round-trip from

£478

One-way from

£423

Popular in

July

Cheapest in

February

Average price

£635
Air France
  • Air France
  • 7/7-14/7
  • 1 total stop
  • 24h 10m total
  • Brighton to Seattle
Search Deals
Lufthansa
  • Lufthansa
  • 18/10
  • 1 total stop
  • 25h 50m total
  • Brighton to Seattle
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£57 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£7 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Brighton 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 858,174 searches. Data last updated 19 June 2026.
Use the filters below to find and compare flights from Brighton to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Fri 3/7

17:45-20:03

Nonstop10h 18m

Seattle/Tacoma Intl

Tue 7/7

21:50-15:35

Nonstop9h 45m

£503

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Sat 4/7

09:30-17:40

1 stop16h 10m

Seattle/Tacoma Intl

Fri 17/7

14:33-12:25

1 stop13h 52m

£509

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Fri 4/9

12:05-21:07

1 stop17h 02m

Seattle/Tacoma Intl

Mon 7/9

10:45-11:50

2 stops17h 05m

£511

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Wed 1/7

17:45-20:03

Nonstop10h 18m

Seattle/Tacoma Intl

Wed 8/7

21:50-15:35

Nonstop9h 45m

£515

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Tue 11/8

06:20-17:10

1 stop18h 50m

Seattle/Tacoma Intl

Sun 6/9

20:20-13:45

Nonstop9h 25m

£533

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Mon 17/8

07:45-19:08

2 stops19h 23m

Seattle/Tacoma Intl

Fri 4/9

18:10-20:40

2 stops18h 30m

£534

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Wed 19/8

07:25-19:07

2 stops19h 42m

Seattle/Tacoma Intl

Sun 30/8

18:15-20:40

2 stops18h 25m

£534

LondonSeattle

LCY - SEA

LCYSEA

London City

Fri 21/8

09:20-16:27

1 stop15h 07m

Seattle/Tacoma Intl

Sat 29/8

09:35-17:20

2 stops23h 45m

£536

LondonSeattle

LCY - SEA

LCYSEA

London City

Fri 14/8

09:20-21:45

2 stops20h 25m

Seattle/Tacoma Intl

Fri 28/8

10:40-08:50

2 stops14h 10m

£537

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Wed 29/7

06:30-16:20

1 stop17h 50m

Seattle/Tacoma Intl

Wed 5/8

05:30-07:10

1 stop17h 40m

£539

Flights are sorted by cheapest return flights first.

Deals found on 18/6

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

Best time to book a flight from Brighton to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Brighton with our price prediction graph.
Estimated return 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 Brighton to Seattle

What is the cheapest time of day to fly from BH9 to SEA?

Find hourly flight availability from Brighton 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 19 June 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Brighton to Seattle as you normally would.

Weekly flight availability from Brighton to Seattle

Explore weekly flight availability from Brighton to Seattle. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 19 June 2026.

The most flights from BH9 to SEA are scheduled on a Tuesday (22 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (17 on average).

How much does it cost for a return flight from Brighton to Seattle?

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 19 June 2026.
See what other customers who have flown with KLM,Virgin Atlantic, andAir France from Brighton to Seattle have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,530 reviews
Check prices

Crew

8.4

Comfort

7.7

Overall

7.8

Food

7.3

Boarding

7.8

Entertainment

7.2

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
KLM
7.8
Good
1,530 reviews
KLM
7.8
Good
1,530 reviews
Check prices

Crew

8.4

Comfort

7.7

Overall

7.8

Food

7.3

Boarding

7.8

Entertainment

7.2

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
Virgin Atlantic
7.5
Good
690 reviews
KLM
7.8
Good
1,530 reviews
Check prices

Crew

8.4

Comfort

7.7

Overall

7.8

Food

7.3

Boarding

7.8

Entertainment

7.2

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
Air France
7.4
Good
1,608 reviews
KLM
7.8
Good
1,530 reviews
Check prices

Crew

8.4

Comfort

7.7

Overall

7.8

Food

7.3

Boarding

7.8

Entertainment

7.2

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
Icelandair
7.0
Good
679 reviews
KLM
7.8
Good
1,530 reviews
Check prices

Crew

8.4

Comfort

7.7

Overall

7.8

Food

7.3

Boarding

7.8

Entertainment

7.2

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
British Airways
6.7
Okay
8,055 reviews
KLM
7.8
Good
1,530 reviews
Check prices

Crew

8.4

Comfort

7.7

Overall

7.8

Food

7.3

Boarding

7.8

Entertainment

7.2

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

Related info for your journey

Find useful and relevant information for your journey from Brighton to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Seattle from Brighton?

    Seattle/Tacoma Intl (SEA), located 11.4 mi from the city center, is the airport you fly into when you book flights from Brighton to Seattle. 14 airlines have flights to Seattle/Tacoma Intl from Brighton on a regular basis. Booking flights from Brighton to Seattle/Tacoma Intl should not be difficult; the airport handles an average of 21 inbound flights from Brighton per day.

  • How long is the flight from Brighton to Seattle?

    For as low as £503, Delta can have you in Seattle from Brighton in 10h 18m. Brighton and Seattle are separated by a distance of 4783 mi. Both multi-stop and direct flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Brighton to Seattle one-way?

    To fly one-way, consider booking your trip with Icelandair, which is currently one of the cheapest options available, starting at £358. British Airways flights start at £369 while deals on KLM start at £396 one-way.

  • What are the most popular routes from Brighton to Seattle?

    The most popular route from Brighton to Seattle is London Heathrow - Seattle/Tacoma Intl. You may also consider London Gatwick - Seattle/Tacoma Intl or London City - Seattle/Tacoma Intl.

  • What are the most reliable airlines from Brighton to Seattle?

    No one likes to see their flight delayed. When booking a flight from Brighton to Seattle consider choosing KLM (85%), Air France (85%) or Delta (85%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Brighton to Seattle?

    Looking at all options, your cheapest flight can be booked for £435. While the most popular route (London Heathrow - Seattle/Tacoma Intl) can be booked for £379 on average, our data indicates £1,704 when flying from Brighton to Seattle.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Brighton 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.

See more FAQs

Travelling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
Federal Way
SeaTac

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 10 airlines flying from Brighton to Seattle

Discover the top 10 airlines that operate flights from Brighton 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 858,174 searches. Data last updated 19 June 2026.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest£339Average£513FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
IcelandairCheapest£345Average£509FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Aer LingusCheapest£423Average£712FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
Virgin AtlanticCheapest£434Average£602FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
KLMCheapest£442Average£642FlexibilityNo cancel feeOn-time75%
Search KLM flights
DeltaCheapest£447Average£626FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air FranceCheapest£456Average£664FlexibilityNo cancel feeOn-time77%
Search Air France flights
Air CanadaCheapest£469Average£504FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
British AirwaysCheapest£470Average£646FlexibilityNo cancel feeOn-time70%
Search British Airways flights
United AirlinesCheapest£472Average£691FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Brighton to Seattle?

When you search for this flight from Brighton to Seattle, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Brighton to Seattle?

Millions of users choose and trust Cheapflights to book the best flight deals from Brighton to Seattle for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Brighton to Seattle with no change fees?

Certainly. Search results for flights to Seattle from Brighton shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Brighton to Seattle become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Seattle from Brighton today and book when prices fit your budget.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.