$436 Cheap Flights from Bucharest (OTP) to Bangkok (BKK)

View $436 flight on Mon, Jun 1, 2026Opens in a new window

Popular airlines from Henri Coanda Intl. Airport (OTP) to Suvarnabhumi Intl. Airport (BKK)

Cheap Flights from Bucharest to Bangkok (OTP-BKK)

Prices were available within the past 7 days and start at $436 for one-way flights and $620 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Etihad Airways
Mon, Jun 1 - Mon, Jun 15
OTP
Bucharest
BKK
Bangkok
$620 Roundtrip, found 1 hour ago
$620
Roundtrip
found 1 hour ago
Select Etihad Airways flight, departing Mon, Jun 1 from Bucharest to Bangkok, returning Mon, Jun 15, priced at $620 found 1 hour ago
Swiss International Air Lines
Mon, Jun 1 - Mon, Jun 15
OTP
Bucharest
BKK
Bangkok
$625 Roundtrip, found 1 hour ago
$625
Roundtrip
found 1 hour ago
Select Swiss International Air Lines flight, departing Mon, Jun 1 from Bucharest to Bangkok, returning Mon, Jun 15, priced at $625 found 1 hour ago
Austrian Airlines
Mon, Jun 1 - Mon, Jun 15
OTP
Bucharest
BKK
Bangkok
$628 Roundtrip, found 1 hour ago
$628
Roundtrip
found 1 hour ago
Select Austrian Airlines flight, departing Mon, Jun 1 from Bucharest to Bangkok, returning Mon, Jun 15, priced at $628 found 1 hour ago
Swiss International Air Lines
Mon, Jun 1 - Mon, Jun 15
OTP
Bucharest
BKK
Bangkok
$633 Roundtrip, found 1 hour ago
$633
Roundtrip
found 1 hour ago
Select Swiss International Air Lines flight, departing Mon, Jun 1 from Bucharest to Bangkok, returning Mon, Jun 15, priced at $633 found 1 hour ago
Austrian Airlines
Mon, Jun 1 - Mon, Jun 15
OTP
Bucharest
BKK
Bangkok
$636 Roundtrip, found 1 hour ago
$636
Roundtrip
found 1 hour ago
Select Austrian Airlines flight, departing Mon, Jun 1 from Bucharest to Bangkok, returning Mon, Jun 15, priced at $636 found 1 hour ago
Lufthansa
Mon, Jun 1 - Mon, Jun 15
OTP
Bucharest
BKK
Bangkok
$654 Roundtrip, found 1 hour ago
$654
Roundtrip
found 1 hour ago
Select Lufthansa flight, departing Mon, Jun 1 from Bucharest to Bangkok, returning Mon, Jun 15, priced at $654 found 1 hour ago
Swiss International Air Lines
Mon, Jun 1 - Mon, Jun 15
OTP
Bucharest
BKK
Bangkok
$659 Roundtrip, found 1 hour ago
$659
Roundtrip
found 1 hour ago
Select Swiss International Air Lines flight, departing Mon, Jun 1 from Bucharest to Bangkok, returning Mon, Jun 15, priced at $659 found 1 hour ago
Etihad Airways
Mon, Jun 1 - Mon, Jun 15
OTP
Bucharest
BKK
Bangkok
$662 Roundtrip, found 1 hour ago
$662
Roundtrip
found 1 hour ago
Select Etihad Airways flight, departing Mon, Jun 1 from Bucharest to Bangkok, returning Mon, Jun 15, priced at $662 found 1 hour ago
Lufthansa
Mon, Jun 1 - Mon, Jun 15
OTP
Bucharest
BKK
Bangkok
$662 Roundtrip, found 1 hour ago
$662
Roundtrip
found 1 hour ago
Select Lufthansa flight, departing Mon, Jun 1 from Bucharest to Bangkok, returning Mon, Jun 15, priced at $662 found 1 hour ago
Tarom-Romanian Air Transport
Mon, Jun 1 - Mon, Jun 15
OTP
Bucharest
BKK
Bangkok
$765 Roundtrip, found 1 hour ago
$765
Roundtrip
found 1 hour ago
Select Tarom-Romanian Air Transport flight, departing Mon, Jun 1 from Bucharest to Bangkok, returning Mon, Jun 15, priced at $765 found 1 hour ago

Find the cheapest month to fly from Bucharest (OTP) to Bangkok (BKK)

September is typically the cheapest month to fly

From $570 - $942 per traveler.

Alternative airports near Bangkok

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Suvarnabhumi Intl. BKK. Cheapest option available. Average driving time to city center is 23 minutes. Flights from $880
BKK
Suvarnabhumi Intl.
Cheapest
Average driving time to city center23 min
Flights from $880
Flights from Bucharest (OTP) to Bangkok (BKK)
Origin airport
Henri Coanda Intl.
Destination airport
Suvarnabhumi Intl.
Airlines serving
Air France, Air Serbia, Austrian Airlines, British Airways, China Eastern Airlines, EL AL Israel Airlines, KLM, Lufthansa, Malaysia Airlines, Qatar Airways, Scandinavian Airlines, Swiss International Air Lines, Turkish Airlines
Roundtrip price
$619
Distance
4806 mi

Bucharest to Bangkok Flights

The cheapest times to fly from Bucharest to Bangkok

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Bucharest to Bangkok are during the month of June. You can find some of the cheapest flights from Bucharest to Bangkok with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Bucharest to Bangkok

Sunday is one of the best days to book for cheap flights from Bucharest to Bangkok: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Bucharest to Bangkok

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Bucharest to Bangkok in 2025. You can also book with separate airlines for your outbound and return journeys, from $436 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Bucharest to Bangkok flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Bucharest to Bangkok airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Henri Coanda Intl. Airport (OTP) to Suvarnabhumi Intl. Airport (BKK) cost?
Snag a cheap one-way flight from $436 or cheap return flight from $620 from Henri Coanda Intl. Airport (OTP) to Suvarnabhumi Intl. Airport (BKK) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Henri Coanda Intl. Airport (OTP) to Suvarnabhumi Intl. Airport (BKK)?
June is the cheapest month to fly from OTP to BKK. Traveling during an off-peak travel window is often the key to finding better deals on flights.
What is the cheapest airline that flies from Henri Coanda Intl. Airport (OTP) to Suvarnabhumi Intl. Airport (BKK)?
Expedia's filter tool lets you easily compare different airlines, flight durations and fares all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest OTP to BKK flight.
How many flights per day from Henri Coanda Intl. Airport (OTP) to Suvarnabhumi Intl. Airport (BKK)?
There are no daily direct flights available from Henri Coanda Intl. Airport (OTP) to Suvarnabhumi Intl. Airport (BKK). But you can opt for flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be cruising above the clouds before you know it.
What day of the week has the most flights from OTP to BKK?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can change based on a range of factors, such as the time of year and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Henri Coanda Intl. Airport (OTP) to Suvarnabhumi Intl. Airport (BKK)?
To avoid potential delays on the Henri Coanda Intl. Airport (OTP) to Suvarnabhumi Intl. Airport (BKK) route, travel before 3 PM. Departures after this time have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Henri Coanda Intl. Airport (OTP) to Suvarnabhumi Intl. Airport (BKK) last-minute?
Holding off until just before your departure to book a ticket from OTP to BKK often results in higher prices. Although you may find some last-minute discounts, they're not always guaranteed. Be flexible with your travel plans for the best chance of snagging a bargain.
Is it cheaper to book an OTP to BKK flight and hotel package?
Compared with arranging flights and hotels separately, booking an OTP to BKK flight and hotel package with Expedia could lead to significant savings. What's more, having everything in one place will take the hassle out of travel planning. Simply pick your flights and choose from our extensive range of stays, then customize your trip with extras like activities and car rentals.
Can I cancel or change the date of my flight from Henri Coanda Intl. Airport (OTP) to Suvarnabhumi Intl. Airport (BKK)?
If you booked your OTP to BKK flight in the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the type of fare you have, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for more information.

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*Available to One Key members.