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Cheap flights from Brighton to Seattle from £409

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 28/4. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SEA
1 Apr — 8 Apr1
1 adult

Cheapflights Tip: The best prices from Brighton to Seattle/Tacoma Intl are usually found in January or February, booked 69 days in advance, depart on a Tuesday or Wednesday and return on a Monday

Cheap flight deals from Brighton to Seattle

Keep the following information in mind while searching for Brighton to Seattle flight deals. Data was last updated 27 March 2025.

Round-trip from

£458

One-way from

£409

Popular in

August

Cheapest in

January

Average price

£525
Icelandair
  • Icelandair
  • 2/6-16/6
  • 2 total stops
  • 44h 10m total
  • Brighton to Seattle
Search Deals
28/4
  • 28/4
  • 1 total stop
  • 19h 59m total
  • Brighton to Seattle
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (£85 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£14 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2025
Search Deals

Find flight deals from Brighton to Seattle

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 27 March 2025.

Wed 16/421:25LHR - SEA
1 stop31h 15mIcelandair
Thu 24/419:00SEA - LHR
1 stop17h 20mIcelandair
Deal found 27/3£459
Sun 21/915:40LGW - SEA
1 stop13h 00mIcelandair
Sat 11/1015:45SEA - LGW
1 stop14h 55mIcelandair
Deal found 27/3£461
Wed 21/506:40LHR - SEA
1 stop15h 10mScandinavian Airlines
Mon 2/616:00SEA - LHR
1 stop16h 00mScandinavian Airlines
Deal found 27/3£462
Wed 10/906:55LHR - SEA
1 stop18h 04mLufthansa
Wed 24/910:00SEA - LHR
2 stops16h 00mLufthansa
Deal found 27/3£465
Thu 1/506:00LHR - SEA
2 stops24h 42mSWISS
Mon 12/514:40SEA - LHR
2 stops19h 10mSWISS
Deal found 27/3£467
Wed 10/909:55LHR - SEA
1 stop14h 10mKLM
Thu 18/920:25SEA - LHR
Nonstop9h 50mKLM
Deal found 27/3£470
Wed 21/507:05STN - SEA
1 stop14h 45mMultiple Airlines
Mon 2/616:00SEA - STN
1 stop16h 15mMultiple Airlines
Deal found 27/3£473
Sat 26/412:05LHR - SEA
1 stop17h 36mAir Canada
Sat 3/507:05SEA - LHR
1 stop18h 55mAir Canada
Deal found 27/3£474
Wed 23/407:40LHR - SEA
1 stop17h 19mBritish Airways
Wed 30/420:20SEA - LHR
Nonstop9h 20mBritish Airways
Deal found 27/3£476
Mon 21/413:25LHR - SEA
Nonstop10h 20mVirgin Atlantic
Mon 5/517:35SEA - LHR
Nonstop9h 45mVirgin Atlantic
Deal found 27/3£478
Sat 19/414:10LHR - SEA
1 stop12h 18mUnited Airlines
Sun 27/405:14SEA - LHR
1 stop20h 26mUnited Airlines
Deal found 27/3£481
Mon 5/509:50LHR - SEA
Nonstop9h 45mAmerican Airlines
Thu 15/517:40SEA - LHR
1 stop13h 30mAmerican Airlines
Deal found 27/3£482

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 27 March 2025.
Use the filters below to find and compare flights from Brighton to Seattle that are best for you.

Fly from

Brighton

Fly to

Seattle

Route

Depart

Return

Price

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Wed 16/4

21:25-20:40

1 stop31h 15m

Seattle/Tacoma Intl

Thu 24/4

19:00-20:20

1 stop17h 20m

£459

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Sun 21/9

15:40-20:40

1 stop13h 00m

Seattle/Tacoma Intl

Sat 11/10

15:45-14:40

1 stop14h 55m

£461

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Wed 21/5

06:40-13:50

1 stop15h 10m

Seattle/Tacoma Intl

Mon 2/6

16:00-16:00

1 stop16h 00m

£462

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Wed 10/9

06:55-16:59

1 stop18h 04m

Seattle/Tacoma Intl

Wed 24/9

10:00-10:00

2 stops16h 00m

£465

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Thu 1/5

06:00-22:42

2 stops24h 42m

Seattle/Tacoma Intl

Mon 12/5

14:40-17:50

2 stops19h 10m

£467

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Wed 10/9

09:55-16:05

1 stop14h 10m

Seattle/Tacoma Intl

Thu 18/9

20:25-14:15

Nonstop9h 50m

£470

LondonSeattle

STN - SEA

STNSEA

London Stansted

Wed 21/5

07:05-13:50

1 stop14h 45m

Seattle/Tacoma Intl

Mon 2/6

16:00-16:15

1 stop16h 15m

£473

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Sat 26/4

09:30-21:41

2 stops20h 11m

Seattle/Tacoma Intl

Sat 3/5

07:05-06:30

1 stop15h 25m

£474

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Wed 23/4

07:40-16:59

1 stop17h 19m

Seattle/Tacoma Intl

Wed 30/4

20:20-13:40

Nonstop9h 20m

£476

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Mon 21/4

13:25-15:45

Nonstop10h 20m

Seattle/Tacoma Intl

Mon 5/5

17:35-11:20

Nonstop9h 45m

£478

Flights are sorted by cheapest return flights first.

Deals found on 27/3

Showing 1-10 of 59 results
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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

How far ahead should I book a flight from Brighton to Seattle?

Use this chart to determine the optimal time to book a return flight from Brighton to Seattle. Price data was last updated on 21 March 2025.

The price you pay for your flight from Brighton to Seattle may vary depending on when you book. For the best chance of a lower fare, look to book 69 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Brighton to Seattle?

Currently, January is the cheapest month in which you can book a flight from Brighton to Seattle (average of £622). Flying from Brighton to Seattle in July is currently the most expensive (average of £946). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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 27 March 2025.

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.

What is the cheapest day to fly from Brighton to Seattle?

Use this chart to determine the cheapest time to fly return from Brighton to Seattle. Price data was last updated on 16 December 2024.

Travellers seeking maximum savings on their Brighton to Seattle flight should consider departing on Monday evenings when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Seattle by month

Plan your trip to Seattle by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Seattle ranges from 18.0 - 168.0 inches per month. November is typically the wettest month, when rainfall can reach 168.0 mm. July is typically the driest time to visit Seattle when rainfall is around 18.0 mm.

Temperature in Seattle by month

Plan your trip to Seattle by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 19.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 5.0 C).

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 27 March 2025.
Peruse reviews from past customers who have flown with Delta, KLM and Finnair from Brighton to Seattle to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
7,895 reviews
Check prices

Boarding

8.2

Food

7.3

Comfort

8.0

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very Good
7,895 reviews
Delta
8.0
Very Good
7,895 reviews
Check prices

Boarding

8.2

Food

7.3

Comfort

8.0

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
KLM
7.8
Good
1,321 reviews
Delta
8.0
Very Good
7,895 reviews
Check prices

Boarding

8.2

Food

7.3

Comfort

8.0

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Finnair
7.6
Good
1,267 reviews
Delta
8.0
Very Good
7,895 reviews
Check prices

Boarding

8.2

Food

7.3

Comfort

8.0

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Austrian Airlines
7.5
Good
769 reviews
Delta
8.0
Very Good
7,895 reviews
Check prices

Boarding

8.2

Food

7.3

Comfort

8.0

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
SWISS
7.5
Good
1,570 reviews
Delta
8.0
Very Good
7,895 reviews
Check prices

Boarding

8.2

Food

7.3

Comfort

8.0

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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. 12 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 6 inbound flights from Brighton per day.

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

    To fly one-way, consider booking your trip with Aer Lingus, which is currently one of the cheapest options available, starting at £409. WestJet flights start at £410 while deals on Icelandair start at £418 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 Aeromexico (98%), Singapore Airlines (98%) or KLM (92%) 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 £481. While the most popular route (London Heathrow - Seattle/Tacoma Intl) can be booked for £401 on average our data indicates £1,884 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.

  • What is the cheapest month to book a flight from Brighton to Seattle?

    Currently, January is the cheapest month in which you can book a flight from Brighton to Seattle (average of £622). Flying from Brighton to Seattle in July is currently the most expensive (average of £946). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Brighton?

Book flights to Brighton if you plan to visit one of these locations
Tacoma
Leavenworth
Bothell

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Alternative routes for Brighton to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
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Leeds to Portland flights
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Birmingham to Portland flights
Bristol to Seattle flights
Edinburgh to Pasco flights
Heathrow to Bellingham flights
Southend to Seattle flights

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 27 March 2025.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest£8Average£693FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
IcelandairCheapest£338Average£529FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Air FranceCheapest£400Average£593FlexibilityNo cancel feeOn-time77%
Search Air France flights
LufthansaCheapest£410Average£522FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
United AirlinesCheapest£421Average£647FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
KLMCheapest£422Average£612FlexibilityNo cancel feeOn-time75%
Search KLM flights
FinnairCheapest£430Average£594FlexibilityNo cancel feeOn-time76%
Search Finnair flights
DeltaCheapest£446Average£638FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
British AirwaysCheapest£450Average£588FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Virgin AtlanticCheapest£469Average£587FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic 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.

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