Find flights
When to book
FAQs

Cheap flights from London, ON to Thailand from C$ 1,614

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 17/9. Fares are subject to change and may not be available on all flights or dates of travel.
YXU — BKK
29 Apr — 6 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from London to Thailand

Enter your travel dates to find the best prices.

Cheapest flights from London to Thailand
Explore the most affordable flight options available from London to Thailand. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 March 2026.

Thu 17/95:40 a.m.
YXU
-
BKK
3 stops40h 55m
United Airlines
Mon 21/93:45 p.m.
BKK
-
YXU
3 stops28h 10m
United Airlines
Deal found 28/3C$ 1,614
Thu 1/106:20 p.m.
YXU
-
BKK
2 stops31h 10m
Air Canada
Wed 4/118:15 a.m.
BKK
-
YXU
2 stops36h 51m
Air Canada
Deal found 28/3C$ 1,664
Thu 1/103:30 p.m.
YXU
-
BKK
2 stops34h 00m
Air Canada
Wed 14/107:05 a.m.
BKK
-
YXU
2 stops21h 40m
Air Canada
Deal found 29/3C$ 1,670
Thu 17/96:20 p.m.
YXU
-
BKK
2 stops31h 10m
Air Canada
Mon 21/97:05 a.m.
BKK
-
YXU
2 stops36h 50m
Air Canada
Deal found 28/3C$ 1,809
Tue 12/59:30 a.m.
YXU
-
BKK
2 stops35h 05m
Multiple Airlines
Tue 19/59:30 a.m.
BKK
-
YXU
2 stops43h 03m
Multiple Airlines
Deal found 28/3C$ 2,048

Find flight deals from London to Thailand

Keep the following information in mind while searching for London to Thailand flight deals. Data was last updated 30 March 2026.

Round-trip from

C$ 1,614
United Airlines
  • United Airlines
  • 17/9-21/9
  • 6 total stops
  • 69h 05m total
  • London to Thailand
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from London to Thailand 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 629,999 searches. Data last updated 30 March 2026.
Use the filters below to find and compare flights from London to Thailand that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonBangkok

YXU - BKK

YXUBKK

London

Thu 17/9

5:40 a.m.-9:35 a.m.

3 stops40h 55m

Bangkok Suvarnabhumi

Mon 21/9

3:45 p.m.-8:55 a.m.

3 stops28h 10m

C$ 1,614

LondonBangkok

YXU - BKK

YXUBKK

London

Thu 17/9

6:20 p.m.-12:30 p.m.

2 stops31h 10m

Bangkok Suvarnabhumi

Mon 21/9

7:05 a.m.-8:55 a.m.

2 stops36h 50m

C$ 1,809
Quickest round-trip

LondonBangkok

YXU - BKK

YXUBKK

London

Tue 12/5

6:10 a.m.-12:10 a.m.

3 stops31h 00m

Bangkok Suvarnabhumi

Tue 19/5

7:00 a.m.-5:20 a.m.

3 stops33h 20m

C$ 2,219

LondonBangkok

YXU - BKK

YXUBKK

London

Thu 23/4

5:10 a.m.-6:20 p.m.

2 stops50h 10m

Bangkok Suvarnabhumi

Thu 30/4

9:30 a.m.-5:33 p.m.

2 stops43h 03m

C$ 2,523

LondonBangkok

YXU - BKK

YXUBKK

London

Thu 23/4

5:40 p.m.-8:25 p.m.

2 stops39h 45m

Bangkok Suvarnabhumi

Thu 30/4

7:00 a.m.-8:53 a.m.

2 stops36h 53m

C$ 2,646

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/3

Sorted by cheapest first

Best time to book a flight from London to Thailand

Have a flexible travel schedule? Discover the best time to fly to Thailand from London with our price prediction graph.
Estimated round-trip 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 London to Thailand

What is the cheapest month to book a flight from London, Ontario to Thailand?

Currently, September is the cheapest month in which you can book a flight from London, Ontario to Thailand (average of C$ 1,032). Flying from London, Ontario to Thailand in June is currently the most expensive (average of C$ 1,341). 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.

Related info for your journey

Find useful and relevant information for your journey from London to Thailand. 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 from for flights from London to Thailand?

    London (YXU) is the airport you will fly out of if you book a flight from London to Thailand. It is only a 8.6 km journey to London (YXU) from London’s city centre.

  • How long is the flight from London, Ontario to Thailand?

    For as low as C$ 1,614, United Airlines can have you in Thailand from London, Ontario in 40h 55m. Airlines will cover a distance of 13696 km.

  • Can I find deals for flights from London to Thailand that include hotel bookings?

    Yes. In addition to deals on London to Thailand flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from London to Thailand?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Thailand.

  • Can I find deals for business class flights from London to Thailand?

    Yes. Cheapflights offers flight deals from London to Thailand 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 London, Ontario to Thailand?

    Currently, September is the cheapest month in which you can book a flight from London, Ontario to Thailand (average of C$ 1,032). Flying from London, Ontario to Thailand in June is currently the most expensive (average of C$ 1,341). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for London to Thailand

See prices for flight routes from nearby airports that may be better suited for you.
Pearson Intl to Narita flights
Pierre Elliott Trudeau Intl to Narita flights
Pearson Intl to Haneda flights
Pearson Intl to New Delhi flights
Pearson Intl to Hong Kong flights
Pierre Elliott Trudeau Intl to Suvarnabhumi flights
Pierre Elliott Trudeau Intl to Haneda flights
Pearson Intl to Suvarnabhumi flights
Pearson Intl to Incheon Intl flights
Pearson Intl to Manila flights
Pearson Intl to Hongqiao Intl flights
Toronto Island to New Delhi flights
Pearson Intl to Capital flights
Toronto Island to Narita flights
Pearson Intl to Mumbai flights
Pearson Intl to Lahore flights
Pearson Intl to Beijing Daxing Intl flights
Pearson Intl to Pu Dong flights
Pearson Intl to Taiwan Taoyuan Intl flights
Pearson Intl to Ho Chi Minh City flights
Pierre Elliott Trudeau Intl to Hongqiao Intl flights
Pearson Intl to Colombo flights
Toronto Island to Hong Kong flights
Region of Waterloo Intl to Narita flights
Pearson Intl to Guangzhou flights
Toronto Island to Mumbai flights
Pearson Intl to Bangalore flights
Pearson Intl to Hyderabad flights
Pearson Intl to Gimpo Intl flights
Toronto Island to Suvarnabhumi flights
Pearson Intl to Karachi flights
Pierre Elliott Trudeau Intl to Incheon Intl flights
Toronto Island to Haneda flights
Toronto Island to Manila flights
Pierre Elliott Trudeau Intl to Ho Chi Minh City flights
Pearson Intl to Ahmedabad flights
Pearson Intl to Chennai flights
Pearson Intl to Cebu City flights
Pierre Elliott Trudeau Intl to Denpasar flights
Pearson Intl to Cochin flights
Pierre Elliott Trudeau Intl to Manila flights
Pierre Elliott Trudeau Intl to Hong Kong flights
Ottawa to Narita flights
Ottawa to Haneda flights
Pearson Intl to Don Mueang Intl flights
Pierre Elliott Trudeau Intl to Capital flights
Pearson Intl to Dhaka flights
Toronto Island to Ho Chi Minh City flights
Toronto Island to Colombo flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from London to Thailand?

Cheapflights helps you search for flights from London to Thailand via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from London to Thailand?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from London to Thailand.

Can Cheapflights find flights from London to Thailand with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from London to Thailand flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from London to Thailand become cheaper?

Yes! Start tracking prices for London to Thailand flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.