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Cheap Flights from London to Seattle Tacoma Intl

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Flights

London to Seattle Tacoma Intl

Flight Information from London to Seattle Tacoma Intl

Cheapest one-way flight

S$1,174.26

Cheapest month to fly

November

Shortest flight duration

9 hr(s), 45 mins

When is the cheapest flight time from London to Seattle Tacoma Intl?

Origin	Destination	Departure Date	Price
London (LONA)	Seattle (SEA)	Thursday, 25 September 2025	S$912
London (LONA)	Seattle (SEA)	Friday, 17 October 2025	S$909
London (LONA)	Seattle (SEA)	Sunday, 30 November 2025	S$871
London (LONA)	Seattle (SEA)	Tuesday, 9 December 2025	S$859
London (LONA)	Seattle (SEA)	Saturday, 3 January 2026	S$713
London (LONA)	Seattle (SEA)	Monday, 16 February 2026	S$1,159
London (LONA)	Seattle (SEA)	Thursday, 26 March 2026	S$888
London (LONA)	Seattle (SEA)	Wednesday, 1 April 2026	No data
London (LONA)	Seattle (SEA)	Friday, 1 May 2026	No data
London (LONA)	Seattle (SEA)	Monday, 1 June 2026	No data
London (LONA)	Seattle (SEA)	Sunday, 12 July 2026	S$1,346
London (LONA)	Seattle (SEA)	Saturday, 1 August 2026	No data

Flight Schedule from London to Seattle Tacoma Intl

The following are all scheduled flights from London to Seattle Tacoma Intl, with the shortest duration being 9 hours and 45 minutes.

Sun, 21 Sept 2025

Mon, 22 Sept 2025

Tue, 23 Sept 2025

Airline	Departure Time	Arrival Time	Origin airport	Destination airport
American Airlines	09:45	11:30	London (LHR)	Seattle (SEA)	Book flight
British Airways	09:45	11:30	London (LHR)	Seattle (SEA)	Book flight
Iberia	09:45	11:30	London (LHR)	Seattle (SEA)	Book flight
Delta Airlines	13:25	15:30	London (LHR)	Seattle (SEA)	Book flight
KLM	13:25	15:30	London (LHR)	Seattle (SEA)	Book flight
American Airlines	16:30	18:20	London (LHR)	Seattle (SEA)	Book flight
British Airways	16:30	18:20	London (LHR)	Seattle (SEA)	Book flight
Iberia	16:30	18:20	London (LHR)	Seattle (SEA)	Book flight
Delta Airlines	18:30	20:55	London (LHR)	Seattle (SEA)	Book flight
KLM	18:30	20:55	London (LHR)	Seattle (SEA)	Book flight

Direct flight from London to Seattle Tacoma Intl

Non-stop airline flights between London and Seattle Tacoma Intl

Airticket booking for direct flights from London to Seattle Tacoma Intl is now easier than ever. Travel in just 9 hours and 45 minutes, with fares starting at S$1,174 each way.

KLM

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American Airlines

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British Airways

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About Seattle Tacoma Intl

Looking for cheap flights from London to Seattle? Discover the best deals for flight tickets on Traveloka! Flying from London to Seattle will be more enjoyable with our exclusive Traveloka flight promo. Beside flights, you can also find discounted hotels, airport transfers, and attraction tickets from all over the world! With our complete product offering, booking one-way, round-trip, and multi-city flights will be much easier. Book now and dive into endless adventures with Traveloka!

How much does London to Seattle Tacoma Intl flight tickets cost?

If you are interested in flying from London to Seattle Tacoma Intl you can check the price through Traveloka. Normally the price starts from this varies on season and availability.

How long does it take to fly from London to Seattle Tacoma Intl?

Typically, it takes 9 hour and 45 minutes.

What airport serves Seattle Tacoma Intl?

Airport serving in Seattle include Seattle Tacoma Intl SEA

Travel Tips for Your Seattle Trip

Packing Tips

Pack light for a weekend trip, or consider a cabin bag to save on checked luggage fees.
Don’t forget a universal travel adaptor to charge your gadgets.

Safety and Health Tips

Stay hydrated throughout your trip
Keep an eye on personal belongings, especially in crowded tourist areas.

Benefits of Booking with Traveloka for London to Seattle Flight

Did you know booking through Traveloka has many benefits tailored to your travel convenience? Here's why Traveloka is the best choice for your London to Seattle flight booking:

Best Prices: Access competitive deals and discounts exclusive to Traveloka users.
User-Friendly Tools: Use Traveloka’s price alerts and flexible date search options to uncover the best fares.
Comprehensive Customer Support: Get assistance anytime for a smooth booking experience.

Tips for Finding the Best Flight Deals

Book in Advance: Secure your tickets early to unlock the lowest prices.
Travel Off-Peak: Flights are more affordable on weekdays and during non-holiday seasons.
Set Fare Alerts: Traveloka’s price alerts notify you when ticket prices drop.
Be Flexible: Consider early morning or late-night flights to snag cheaper fares.

Facts About Seattle Tacoma Intl

Flight Duration	9 hr(s) 45 mins
Airport in London	London City Airport (LCY), Heathrow (LHR), Gatwick (LGW)
Airport in Seattle Tacoma Intl	Seattle Tacoma Intl (SEA)

Frequently Asked Questions

How much is a flight ticket from London to Seattle Tacoma Intl?

Planning to take off from London to Seattle Tacoma Intl? Grab your ticket on Traveloka with prices starting from , along with additional discounts & promos that can be found on our promo page.

How early should I get to the airport for a domestic & international flight?

For domestic flights, we recommend arriving at the airport at least 2 hours before your scheduled departure time. For international flights, aim to be at the airport at least 3 hours prior to ensure smooth check-in, security checks, and to account for any unexpected delays. It’s better to be early and relaxed than rushing at the last minute right?

When is the best time to buy airline tickets?

Timing is everything when it comes to grabbing airline tickets. Typically, it’s best to book around 4-6 weeks in advance for domestic flights and 2-3 months for international routes. But the prices also depend on the travel demand, seasonality, and major events. You can always monitor the fare trends on Traveloka and set alerts to catch the best deals or promotions!

What is the cheapest day to fly to Seattle Tacoma Intl?

Looking for the best deals to Seattle Tacoma Intl? Historically, midweek flights (particularly on Tuesdays and Wednesdays), tend to be cheaper due to lower demand. However, airfares can fluctuate so we recommend keeping an eye on flight prices and being flexible with your travel dates. Booking in advance can be one the hacks to travel to Seattle Tacoma Intl without breaking the bank!

What information do I need to know when booking a flight?

When booking a flight, every choice sets the tone for your trip. From the preferred flight route – be it direct or with layovers – to the in-flight experience – whether you opt for a standard economy seat or a luxurious first-class journey – and understanding baggage limits, there's a lot to weigh. Other considerations include travel insurance and the airline's booking policies.

How far in advance should I book an international flight?

For international flights, it’s wise to start your search about 5-6 months ahead with the optimal booking window being around 3-4 months before departure. This period often provides a balance between good fares and a reasonable choice of flight times and routes. But please note that several factors such as destination popularity, peak travel season, and regional major events can influence the timeline.

Do I need a passport and visa to fly between London to Seattle Tacoma Intl?

Traveling from London to Seattle Tacoma Intl typically requires specific documents. For international flights, a passport is almost always necessary. However, for domestic flights, neither a passport nor a visa is usually required, but an official ID will be needed. The necessity of a visa depends on the traveler's citizenship and Seattle Tacoma Intl's entry regulations. It's crucial to verify visa requirements, as rules can differ between countries.

Why should I book my flight with Traveloka?

Booking flight tickets with Traveloka can feel like diving into an ocean of options! Our platform provides the most comprehensive choices to ensure you find the perfect flight for your adventure. With our smooth booking process, you'll also be provided with a variety of payment methods. Anxious about transacting online? We've got you covered with our top-tier security for each transaction! With Traveloka, your flight booking journey becomes hassle-free!

Is there any available promo in Traveloka?

Yes, you can save 5% off on Flights, Hotels, and Attractions up to S$100 using BOOKTRAVELOKA promo code if you are a new user. The promo is only valid for bookings made through the Traveloka App only.