September is by far the best month, wherein you can get cheapest flights for Seattle to London United Airlines. Meanwhile, September is perceived as the expensive month due to the varying factors. That’s why it’s highly advised to make advanced online flight booking to save huge amounts of money.
One Way Fare September- During this month the footfall is less so, the flight is gradually inexpensive.
Round Trip Fare September - is the cheapest month to book round trip flights.
Disclaimer - All the mentioned fares were found within last 48 hrs. The displayed fares are based on historical data and are subject to change. The fares cannot be guaranteed at the time of booking.
SEA
23:50
Seattle Seattle Tacoma International Airport
Sun , 15 Mar 2026
LHR
05:55
London London Heathrow Airport
Tue, 17 Mar 2026
SEA
07:30
Seattle Seattle Tacoma International Airport
Sun , 15 Mar 2026
LHR
06:30
London London Heathrow Airport
Mon, 16 Mar 2026
SEA
05:10
Seattle Seattle Tacoma International Airport
Sun , 03 Aug 2025
LHR
07:25
London London Heathrow Airport
Mon, 04 Aug 2025
SEA
07:00
Seattle Seattle Tacoma International Airport
Sun , 03 Aug 2025
LHR
06:20
London London Heathrow Airport
Mon, 04 Aug 2025
SEA
13:55
Seattle Seattle Tacoma International Airport
Fri , 04 Jul 2025
LHR
11:45
London London Heathrow Airport
Sat, 05 Jul 2025
You can book your United Airlines to travel from Seattle (SEA) to London (LCY) with ease and convenience at the starting fare of £ 371 via EaseMyTrip. Usually, the price of an United Airlines ticket from Seattle to London varies from £ 371 to £ 371. This is due to the fluctuating demand during peak seasons and festive seasons. However, with EaseMyTrip, you can avail exclusive discounts and offers to book a flight ticket within your budget.
In addition to this, when you book your flight ticket via EaseMyTrip, we equip you with comprehensive information like airline number, schedule, departure status and arrival time, thereby making your journey hassle-free. You can always rely on us for exciting deals and offers for booking your United Airlines ticket from Seattle to London.
Constantly browsing the internet for cheap Seattle to London United Airlines can be a tedious task. However, you can simplify it with the help of EaseMyTrip. Our database can help you with relevant flight information and with exclusive discounts and deals, you can book your United Airlines Seattle to London in a budget friendly manner.
The aerial distance between Seattle and London is 1148 Kms only and hence, we would advise you to board a direct United Airlines to your destination. You can also board an indirect flight to add a pit stop on your journey. The direct Indigo Airlines takes an average of 21:05 of time to reach the destination.
Currently, the majority of the Seattle to London United Airlines are direct and hence, you can expect to reach your destination in a matter of a couple of hours. However, there are a few United Airlines with stopovers. You can choose to layover either at Ahmedabad or Bangalore depending upon your preference and budget.
Additionally, Seattle Tacoma International Airport Seattle and London Heathrow Airport London are the nearest and major airports for your travel and if you are looking forward to saving money on your flight ticket, then a round trip is what you should go for.
EaseMyTrip is one of the largest online travel platforms in India and a trusted name in the Indian travel industry. Whether you are looking to book first class tickets or business class, premium economy, economy class tickets on Seattle to London United Airlines, our user-friendly platform is bound to add comfort and convenience on your booking journey. You can also check out amazing offers and customize the services as per your preferences and number of passengers.
On top of this, you can enjoy amazing deals and discounts for your Seattle to London United Airlines. With 24/7 reliable support, lower fares, airport pick-up services and first-class customer services, EaseMyTrip is definitely the go-to platform for your journey.
So, if you are looking forward to booking your flight ticket from Seattle (SEA) to London (LCY) on United Airlines, try EaseMyTrip today.