Cheap flights from Brighton to Seattle from £389
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 31/7. Fares are subject to change and may not be available on all flights or dates of travel.
Cheapflights Tip: The best prices from Brighton to Seattle/Tacoma Intl are usually found in January or March, booked 43 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday
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 13 June 2025.
Find flight deals from Brighton to Seattle
Cheapest flights from Brighton to SeattleExplore 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 13 June 2025.
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 13 June 2025.
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 13 June 2025.
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
LondonSeattle
LHR - SEA
LHRSEA
London Heathrow
Wed 10/9
16:30-18:20
Nonstop9h 50m
Seattle/Tacoma Intl
Sun 14/9
20:20-13:40
Nonstop9h 20m
LondonSeattle
LGW - SEA
LGWSEA
London Gatwick
Thu 10/7
15:40-20:40
1 stop13h 00m
Seattle/Tacoma Intl
Thu 24/7
23:30-11:45
1 stop28h 15m
LondonSeattle
LHR - SEA
LHRSEA
London Heathrow
Wed 9/7
09:00-17:25
1 stop16h 25m
Seattle/Tacoma Intl
Wed 16/7
20:25-14:15
Nonstop9h 50m
LondonSeattle
LGW - SEA
LGWSEA
London Gatwick
Sat 6/9
10:25-21:36
1 stop19h 11m
Seattle/Tacoma Intl
Sat 4/10
19:59-10:55
1 stop30h 56m
LondonSeattle
LHR - SEA
LHRSEA
London Heathrow
Wed 9/7
06:15-11:15
1 stop13h 00m
Seattle/Tacoma Intl
Tue 22/7
17:35-11:20
Nonstop9h 45m
LondonSeattle
LHR - SEA
LHRSEA
London Heathrow
Fri 27/6
21:25-11:25
1 stop22h 00m
Seattle/Tacoma Intl
Mon 30/6
23:30-11:55
1 stop28h 25m
LondonSeattle
LHR - SEA
LHRSEA
London Heathrow
Sun 31/8
11:45-11:45
1 stop32h 00m
Seattle/Tacoma Intl
Mon 8/9
20:25-14:15
Nonstop9h 50m
LondonSeattle
LCY - SEA
LCYSEA
London City
Wed 29/10
13:30-23:15
2 stops40h 45m
Seattle/Tacoma Intl
Sat 15/11
15:37-17:05
2 stops17h 28m
LondonSeattle
LHR - SEA
LHRSEA
London Heathrow
Wed 9/7
10:30-19:11
1 stop16h 41m
Seattle/Tacoma Intl
Wed 16/7
17:40-15:10
1 stop13h 30m
LondonSeattle
STN - SEA
STNSEA
London Stansted
Fri 22/8
17:05-13:50
3 stops28h 45m
Seattle/Tacoma Intl
Sat 30/8
16:00-00:20
2 stops24h 20m
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.
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 9 June 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 43 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 13 June 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.
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 13 June 2025.
The most flights from BH9 to SEA are scheduled on a Monday (22 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (11 on average).
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 13 June 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.
Boarding
Food
Crew
Comfort
Overall
Entertainment
Reviews
Kim,May 2025
PIH - SLC
Boarding
Food
Crew
Comfort
Overall
Entertainment
Reviews
Kim,May 2025
PIH - SLC
Boarding
Food
Crew
Comfort
Overall
Entertainment
Reviews
Kim,May 2025
PIH - SLC
Boarding
Food
Crew
Comfort
Overall
Entertainment
Reviews
Kim,May 2025
PIH - SLC
Boarding
Food
Crew
Comfort
Overall
Entertainment
Reviews
Kim,May 2025
PIH - SLC
Boarding
Food
Crew
Comfort
Overall
Entertainment
Reviews
Kim,May 2025
PIH - SLC
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.
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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.
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 13 June 2025.
Fly with Cheapflights
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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.