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Cheap flights from Brighton to Seattle from £412

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 15/5. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SEA
29 Dec — 5 Jan1
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 90 days in advance, depart on a Wednesday or Thursday and return on a Tuesday

Find 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 29 November 2025.

Mon 29/1206:30LHR - SEA
1 stop13h 20mDelta
Sun 19/423:40SEA - LHR
1 stop29h 50mDelta
Deal found 27/11£479
Wed 31/1214:40LHR - SEA
1 stop29h 50mDelta
Sat 25/415:35SEA - LHR
1 stop13h 35mDelta
Deal found 27/11£488
Mon 15/1215:00LHR - SEA
2 stops31h 31mAir Canada
Sun 28/1205:50SEA - LHR
2 stops17h 20mAir Canada
Deal found 28/11£488
Tue 16/1210:45LHR - SEA
1 stop20h 40mVirgin Atlantic
Tue 6/116:45SEA - LHR
Nonstop9h 45mVirgin Atlantic
Deal found 28/11£489
Sat 6/1212:20LHR - SEA
Nonstop10h 38mDelta
Sat 13/1219:20SEA - LHR
Nonstop9h 45mDelta
Deal found 27/11£491
Thu 25/1214:30LHR - SEA
1 stop32h 01mAir Canada
Mon 29/1208:10SEA - LHR
1 stop14h 20mAir Canada
Deal found 28/11£492
Wed 17/1207:40LHR - SEA
2 stops18h 48mUnited Airlines
Wed 7/105:00SEA - LHR
2 stops17h 20mUnited Airlines
Deal found 28/11£493
Mon 15/1215:00LHR - SEA
2 stops31h 31mAir Canada
Mon 29/1208:10SEA - LHR
1 stop14h 20mAir Canada
Deal found 28/11£494
Wed 17/1210:05LHR - SEA
1 stop18h 55mUnited Airlines
Sat 10/110:05SEA - LHR
1 stop17h 45mUnited Airlines
Deal found 28/11£494
Sun 14/1211:20LHR - SEA
1 stop17h 30mVirgin Atlantic
Tue 6/111:25SEA - LHR
1 stop15h 15mVirgin Atlantic
Deal found 27/11£496
Wed 24/1212:00LHR - SEA
2 stops42h 16mAir Canada
Mon 29/1208:10SEA - LHR
1 stop14h 20mAir Canada
Deal found 28/11£497
Sat 13/1213:25LHR - SEA
2 stops33h 06mAir Canada
Sun 4/115:40SEA - LHR
2 stops58h 30mAir Canada
Deal found 28/11£497

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 29 November 2025.

Round-trip from

£479

One-way from

£412

Popular in

July

Cheapest in

February

Average price

£541
Delta
  • Delta
  • 29/12-19/4
  • 2 total stops
  • 43h 10m total
  • Brighton to Seattle
Search Deals
15/5
  • 15/5
  • 2 total stops
  • 17h 21m total
  • Brighton to Seattle
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£58 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£10 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
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 29 November 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

LCY - SEA

LCYSEA

London City

Wed 11/2

17:50-11:40

1 stop25h 50m

Seattle/Tacoma Intl

Wed 18/2

15:05-17:20

1 stop18h 15m

£486

LondonSeattle

LCY - SEA

LCYSEA

London City

Thu 29/1

09:20-11:50

1 stop34h 30m

Seattle/Tacoma Intl

Sun 1/2

21:55-09:30

2 stops27h 35m

£486

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Wed 31/12

14:40-12:30

1 stop29h 50m

Seattle/Tacoma Intl

Fri 24/4

13:45-13:30

1 stop15h 45m

£488

LondonSeattle

LCY - SEA

LCYSEA

London City

Mon 9/2

17:50-11:40

1 stop25h 50m

Seattle/Tacoma Intl

Sun 1/3

15:05-16:35

1 stop17h 30m

£489

LondonSeattle

LCY - SEA

LCYSEA

London City

Mon 19/1

17:50-11:50

1 stop26h 00m

Seattle/Tacoma Intl

Sun 25/1

15:10-16:35

1 stop17h 25m

£490

LondonSeattle

LCY - SEA

LCYSEA

London City

Tue 3/3

19:10-21:01

2 stops33h 51m

Seattle/Tacoma Intl

Tue 17/3

10:55-12:55

2 stops19h 00m

£492

LondonSeattle

LCY - SEA

LCYSEA

London City

Mon 9/2

09:15-21:12

2 stops19h 57m

Seattle/Tacoma Intl

Mon 2/3

12:37-17:05

2 stops20h 28m

£492

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Fri 6/2

12:20-14:45

Nonstop10h 25m

Seattle/Tacoma Intl

Sat 28/2

18:25-11:55

Nonstop9h 30m

£494

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Sat 28/2

12:20-14:45

Nonstop10h 25m

Seattle/Tacoma Intl

Sat 14/3

19:25-11:55

Nonstop9h 30m

£496

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Mon 2/3

14:55-16:55

Nonstop10h 00m

Seattle/Tacoma Intl

Fri 13/3

19:50-12:20

Nonstop9h 30m

£497

Flights are sorted by cheapest return flights first.

Deals found on 28/11

Showing 1-10 of 60 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 November 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 90 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, March is the cheapest month in which you can book a flight from Brighton to Seattle (average of £308). Flying from Brighton to Seattle in August is currently the most expensive (average of £466). 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 29 November 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 19% on flights from Brighton to Seattle by exploring options for tickets in the morning.

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 Wednesday mornings when fares are most often at their lowest. Sunday at midday flights should be avoided if possible as fares are typically the most expensive at this time.

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 29 November 2025.

The most flights from BH9 to SEA are scheduled on a Friday (17 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (10 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 29 November 2025.
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
7.7
Good
1,424 reviews
Check prices

Boarding

7.8

Food

7.2

Crew

8.4

Overall

7.7

Entertainment

7.1

Comfort

7.6

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
KLM
7.7
Good
1,424 reviews
KLM
7.7
Good
1,424 reviews
Check prices

Boarding

7.8

Food

7.2

Crew

8.4

Overall

7.7

Entertainment

7.1

Comfort

7.6

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Virgin Atlantic
7.5
Good
675 reviews
KLM
7.7
Good
1,424 reviews
Check prices

Boarding

7.8

Food

7.2

Crew

8.4

Overall

7.7

Entertainment

7.1

Comfort

7.6

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Air France
7.4
Good
1,500 reviews
KLM
7.7
Good
1,424 reviews
Check prices

Boarding

7.8

Food

7.2

Crew

8.4

Overall

7.7

Entertainment

7.1

Comfort

7.6

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Icelandair
7.0
Good
582 reviews
KLM
7.7
Good
1,424 reviews
Check prices

Boarding

7.8

Food

7.2

Crew

8.4

Overall

7.7

Entertainment

7.1

Comfort

7.6

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
British Airways
6.7
Okay
7,545 reviews
KLM
7.7
Good
1,424 reviews
Check prices

Boarding

7.8

Food

7.2

Crew

8.4

Overall

7.7

Entertainment

7.1

Comfort

7.6

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

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 8 inbound flights from Brighton per day.

  • How long is the flight from Brighton to Seattle?

    For as low as £497, Virgin Atlantic can have you in Seattle from Brighton in 10h. 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 United Airlines, which is currently one of the cheapest options available, starting at £413. British Airways flights start at £416 while deals on Lufthansa start at £435 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 Scandinavian Airlines (95%), Air France (86%) or KLM (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 £376. While the most popular route (London Heathrow - Seattle/Tacoma Intl) can be booked for £293 on average, our data indicates £1,692 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, March is the cheapest month in which you can book a flight from Brighton to Seattle (average of £308). Flying from Brighton to Seattle in August is currently the most expensive (average of £466). 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 Seattle?

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

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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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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 29 November 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest£330Average£476FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Air FranceCheapest£390Average£613FlexibilityNo cancel feeOn-time77%
Search Air France flights
FinnairCheapest£402Average£578FlexibilityNo cancel feeOn-time76%
Search Finnair flights
LufthansaCheapest£405Average£496FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
KLMCheapest£406Average£578FlexibilityNo cancel feeOn-time75%
Search KLM flights
United AirlinesCheapest£411Average£648FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
British AirwaysCheapest£446Average£606FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Virgin AtlanticCheapest£448Average£596FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
DeltaCheapest£451Average£587FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Aer LingusCheapest£463Average£679FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus 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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