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Cheap flights from Brighton to Seattle from £320

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 1/5. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SEA
21 Apr — 28 Apr1
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 54 days in advance, depart on a Wednesday or Tuesday 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 22 March 2026.

Wed 22/406:30
STN
-
SEA
2 stops22h 10m
Multiple Airlines
Sun 26/415:40
SEA
-
STN
2 stops17h 10m
Multiple Airlines
Deal found 21/3£451
Wed 22/406:15
LTN
-
SEA
2 stops19h 40m
Multiple Airlines
Sun 26/415:40
SEA
-
LTN
2 stops22h 00m
Multiple Airlines
Deal found 21/3£454
Wed 22/408:50
LGW
-
SEA
2 stops17h 05m
Multiple Airlines
Sun 26/415:40
SEA
-
LGW
2 stops18h 15m
Multiple Airlines
Deal found 21/3£456
Wed 10/615:40
LGW
-
SEA
1 stop13h 00m
Icelandair
Sun 21/619:00
SEA
-
LGW
1 stop11h 40m
Icelandair
Deal found 19/3£459
Tue 19/509:20
LGW
-
SEA
2 stops19h 20m
Multiple Airlines
Tue 26/519:00
SEA
-
LGW
2 stops17h 10m
Multiple Airlines
Deal found 20/3£461
Tue 19/507:05
LHR
-
SEA
2 stops21h 35m
Multiple Airlines
Tue 26/515:40
SEA
-
LHR
2 stops21h 55m
Multiple Airlines
Deal found 20/3£462
Tue 21/406:40
LHR
-
SEA
2 stops22h 00m
Multiple Airlines
Sun 26/419:00
SEA
-
LHR
2 stops16h 55m
Multiple Airlines
Deal found 17/3£463
Mon 20/421:25
LHR
-
SEA
1 stop31h 15m
Icelandair
Fri 24/415:40
SEA
-
LHR
1 stop12h 15m
Icelandair
Deal found 20/3£465
Fri 29/506:40
LHR
-
SEA
1 stop15h 05m
Scandinavian Airlines
Sun 31/515:55
SEA
-
LHR
1 stop16h 05m
Scandinavian Airlines
Deal found 19/3£474
Thu 21/519:30
LHR
-
SEA
1 stop26h 15m
Scandinavian Airlines
Sun 31/515:55
SEA
-
LHR
1 stop21h 45m
Scandinavian Airlines
Deal found 19/3£475
Mon 4/521:25
LHR
-
SEA
1 stop28h 30m
Icelandair
Fri 8/519:00
SEA
-
LHR
1 stop17h 20m
Icelandair
Deal found 21/3£478
Fri 1/506:50
STN
-
SEA
2 stops21h 50m
Multiple Airlines
Fri 8/519:00
SEA
-
STN
2 stops21h 50m
Multiple Airlines
Deal found 17/3£480

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 22 March 2026.

Round-trip from

£451

One-way from

£320

Popular in

July

Cheapest in

February

Average price

£541
22/4-26/4
  • 22/4-26/4
  • 4 total stops
  • 39h 20m total
  • Brighton to Seattle
Search Deals
1/5
  • 1/5
  • 3 total stops
  • 45h 15m total
  • Brighton to Seattle
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£56 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£9 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 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 22 March 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

LondonSeattle

LTN - SEA

LTNSEA

London Luton

Tue 14/4

09:40-20:40

2 stops19h 00m

Seattle/Tacoma Intl

Tue 21/4

15:40-15:30

2 stops15h 50m

£510

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Tue 28/4

15:40-20:40

1 stop13h 00m

Seattle/Tacoma Intl

Sat 2/5

19:00-14:40

1 stop11h 40m

£522

LondonSeattle

LTN - SEA

LTNSEA

London Luton

Sun 3/5

08:30-22:40

3 stops22h 10m

Seattle/Tacoma Intl

Sun 10/5

19:00-22:20

2 stops19h 20m

£561

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Wed 6/5

19:30-22:40

2 stops35h 10m

Seattle/Tacoma Intl

Fri 29/5

15:55-09:35

2 stops33h 40m

£586

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Tue 15/9

06:00-18:32

2 stops20h 32m

Seattle/Tacoma Intl

Wed 23/9

07:00-07:55

2 stops16h 55m

£602

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Wed 6/5

13:05-17:55

1 stop12h 50m

Seattle/Tacoma Intl

Fri 29/5

23:25-11:55

1 stop28h 30m

£609

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Tue 2/6

06:30-11:37

1 stop13h 07m

Seattle/Tacoma Intl

Mon 15/6

18:20-12:10

Nonstop9h 50m

£616

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Wed 22/4

09:50-11:35

Nonstop9h 45m

Seattle/Tacoma Intl

Sun 26/4

13:19-06:50

1 stop33h 31m

£621

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Thu 21/5

10:25-17:39

1 stop15h 14m

Seattle/Tacoma Intl

Sun 7/6

13:30-09:25

1 stop11h 55m

£627
Fastest return journey

LondonSeattle

LHR - SEA

LHRSEA

London Heathrow

Mon 20/4

09:50-11:35

Nonstop9h 45m

Seattle/Tacoma Intl

Mon 4/5

13:30-06:45

Nonstop9h 15m

£627

Flights are sorted by cheapest return flights first.

Deals found on 19/3

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

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 13 March 2026.

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 54 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 £351). Flying from Brighton to Seattle in August is currently the most expensive (average of £468). 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 22 March 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 22 March 2026.

The most flights from BH9 to SEA are scheduled on a Saturday (20 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (7 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 22 March 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
1,477 reviews
Check prices

Comfort

7.6

Crew

8.4

Entertainment

7.1

Overall

7.8

Food

7.3

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
KLM
7.8
Good
1,477 reviews
KLM
7.8
Good
1,477 reviews
Check prices

Comfort

7.6

Crew

8.4

Entertainment

7.1

Overall

7.8

Food

7.3

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
Virgin Atlantic
7.5
Good
682 reviews
KLM
7.8
Good
1,477 reviews
Check prices

Comfort

7.6

Crew

8.4

Entertainment

7.1

Overall

7.8

Food

7.3

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
Air France
7.4
Good
1,547 reviews
KLM
7.8
Good
1,477 reviews
Check prices

Comfort

7.6

Crew

8.4

Entertainment

7.1

Overall

7.8

Food

7.3

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
Icelandair
7.0
Good
625 reviews
KLM
7.8
Good
1,477 reviews
Check prices

Comfort

7.6

Crew

8.4

Entertainment

7.1

Overall

7.8

Food

7.3

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
British Airways
6.7
Okay
7,809 reviews
KLM
7.8
Good
1,477 reviews
Check prices

Comfort

7.6

Crew

8.4

Entertainment

7.1

Overall

7.8

Food

7.3

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

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. 15 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 12 inbound flights from Brighton per day.

  • How long is the flight from Brighton to Seattle?

    For as low as £522, Icelandair can have you in Seattle from Brighton in 13h. Brighton and Seattle are separated by a distance of 4807 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 £356. British Airways flights start at £373 while deals on Aer Lingus start at £389 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 Stansted - 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 (98%), Air France (98%) or Delta (98%) 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 £417. While the most popular route (London Heathrow - Seattle/Tacoma Intl) can be booked for £465 on average, our data indicates £1,794 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 £351). Flying from Brighton to Seattle in August is currently the most expensive (average of £468). 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
Federal Way
SeaTac

Browse thousands of different options on Cheapflights for your next trip

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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 22 March 2026.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest£336Average£495FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
IcelandairCheapest£344Average£475FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
IberiaCheapest£408Average£656FlexibilityNo cancel feeOn-time77%
Search Iberia flights
Aer LingusCheapest£420Average£675FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
United AirlinesCheapest£425Average£660FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Virgin AtlanticCheapest£429Average£589FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
KLMCheapest£444Average£605FlexibilityNo cancel feeOn-time75%
Search KLM flights
British AirwaysCheapest£452Average£627FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Air FranceCheapest£453Average£645FlexibilityNo cancel feeOn-time77%
Search Air France flights
Air CanadaCheapest£466Average£501FlexibilityNo cancel feeOn-time67%
Search Air Canada 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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