$1,723 Cheap Emirates flights London (LHR) to Samui Intl. Airport (USM)

View $1,723 flight on Sat, Oct 18, 2025Opens in a new window
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$1,723 Cheap Emirates flights London (LHR) to Samui Intl. Airport (USM)

Prices were available within the past 7 days and start at $1,723 for one-way flights and $2,687 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Emirates
Sat, Oct 18 - Thu, Oct 30
LHR
London
USM
Koh Samui
$2,687 Roundtrip, found 2 hours ago
$2,687
Roundtrip
found 2 hours ago
Select Emirates flight, departing Sat, Oct 18 from London to Koh Samui, returning Thu, Oct 30, priced at $2,687 found 2 hours ago
Flights from London (LHR) to Samui Intl. Airport (USM)
Origin airport
Heathrow
Destination airport
Samui Intl. Airport
Airlines serving
Air France, Austrian Airlines, British Airways, Cathay Pacific, EVA Airways, Emirates, Etihad Airways, Gulf Air, KLM, Lufthansa, Qatar Airways, Singapore Airlines, Swiss International Air Lines, Thai Airways International, Turkish Airlines
Popular airline
Etihad Airways
Distance
6148 mi

Frequently asked questions

How much is an Emirates flight from Heathrow Airport (LHR) to Ko Samui Airport (USM)?
Grab cheap return Emirates flights from $2,687 from LHR to USM by sorting your results from "Price (lowest to highest)" on Expedia. Or search for options from $1,723 for a one-way journey.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from LHR to USM with Emirates?
Emirates flights to Koh Samui are typically more affordable in the quieter months of October and September. Whether you need a round-trip or one-way ticket, you could score a better deal then.
What is the cheapest time to book flights from Heathrow Airport (LHR) to Ko Samui Airport (USM) with Emirates?
To find affordable flights from LHR to USM with Emirates, start your search about one month before your planned departure. You can save 17% when you book your international tickets 18 to 29 days ahead instead of booking four to five months in advance. Another tip? Booking on Sunday can lead to average savings of 17% compared to Friday (the most expensive day).**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does Emirates fly nonstop from Heathrow Airport (LHR) to Ko Samui Airport (USM)?
To figure out if there's a direct route from LHR to USM with Emirates or other airlines, select the "Nonstop" filter when searching for tickets.
What is the earliest Emirates flight from LHR to USM?
Browse Emirates's earliest flights from LHR to USM by checking the "Morning" and "Early Morning" filters. Not only will you get to your destination sooner, early departures also experience 20% fewer cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does Emirates fly into in Koh Samui?
Emirates flights from Heathrow Airport (LHR) to Koh Samui come in to land at Ko Samui Airport (USM). This is the main gateway here.
What kind of luggage can I take on an Emirates flight from Heathrow Airport (LHR) to Ko Samui Airport (USM)?
For checked luggage, you can bring 1 checked-in bag weighing up to 55 lb with dimensions not exceeding 118 inches. You can also bring 1 cabin bag in the cabin when flying standard economy from LHR to USM with Emirates. This carry-on has to weigh less than 15 lb and be no bigger than 21 inches x 14 inches x 7 inches. Going above these limits can mean extra charges, so check Emirates's baggage allowance rules before packing your suitcase.
Why fly with Emirates from LHR to USM?
Depart from LHR to USM with Emirates and look forward to a range of benefits starting with a 4-star airline rating. When booking through Expedia as an Emirates Skywards and One Key™ member, you could also earn OneKeyCash™* to redeem on select future travel purchases.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my Emirates flight from Heathrow Airport (LHR) to Ko Samui Airport (USM)?
Changes are generally free within 24 hours of making a booking, but your airline may add a charge after that. For further details about modifying your flights, check out your "Trips," select your flight and click on "Manage Booking." If you want the freedom to adjust your plans without being charged, check the "No cancel fee" or "Changes included" filter when planning your trip.

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*Available to One Key members.