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Suvarnabhumi

Cheap flights from Otopeni Intl (OTP) to Suvarnabhumi (BKK)

OTP — BKK
Jan 10 — Jan 171
Sat 1/10
Sat 1/17
1 adult, Economy
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Cheapflights Tip: The best prices from Bucharest Otopeni Intl to Bangkok Suvarnabhumi are usually found in September or June, booked 55 days in advance, depart on a Thursday or Monday and return on a Monday

Find flight deals from Otopeni Intl to Suvarnabhumi

Discover tips and strategies to find the most affordable flight options for your journey from Otopeni Intl (OTP) to Suvarnabhumi (BKK). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 11, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Popular in

July

Cheapest in

September

Average price

$1,049
Provider with most accurate pricing for Bucharest Otopeni Intl-Bangkok Suvarnabhumi flight deals.
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Provider most trusted by Cheapflights users for Bucharest Otopeni Intl-Bangkok Suvarnabhumi flights.
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Highest demand for flights based on searches. 6% potential increase in price ($65 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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Compare providers for flights from Otopeni Intl to Suvarnabhumi

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Otopeni Intl to Suvarnabhumi in December.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
SmartFaresPrice Accuracy1 starTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Bucharest Otopeni Intl Airport-Bangkok Suvarnabhumi Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Bucharest Otopeni Intl Airport-Bangkok Suvarnabhumi Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Bucharest Otopeni Intl Airport-Bangkok Suvarnabhumi Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Bucharest Otopeni Intl Airport-Bangkok Suvarnabhumi Airport flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Bucharest Otopeni Intl Airport-Bangkok Suvarnabhumi Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Otopeni Intl to Suvarnabhumi

Have a flexible travel schedule? Discover the best time to fly to Suvarnabhumi from Otopeni Intl 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 Bucharest Otopeni Intl Airport to Bangkok Suvarnabhumi Airport

How far ahead should I book a flight from Bucharest Otopeni Intl Airport to Bangkok Suvarnabhumi Airport?

Use this chart to determine the optimal time to book a round-trip flight from Otopeni Intl to Suvarnabhumi. Price data was last updated on December 5, 2025.

Booking 55 days in advance of your planned departure date is, on average, the best time to get cheap flights from Bucharest Otopeni Intl Airport to Bangkok Suvarnabhumi Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Bucharest Otopeni Intl Airport to Bangkok Suvarnabhumi Airport?

Currently, September is the cheapest month in which you can book a flight from Bucharest Otopeni Intl Airport to Bangkok Suvarnabhumi Airport (average of $561). Flying from Bucharest Otopeni Intl Airport to Bangkok Suvarnabhumi Airport in July is currently the most expensive (average of $838). 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.

What is the cheapest time of day to fly from OTP to BKK?

Find hourly flight availability from Otopeni Intl to Suvarnabhumi. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 11, 2025.

One of the essential ways to save on airfare from Bucharest Otopeni Intl Airport to Bangkok Suvarnabhumi Airport is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the evening could potentially save you up to 13% on airfare.

Reviews of airlines servicing Suvarnabhumi

Get insights into the airlines that provide service to Suvarnabhumi. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Suvarnabhumi. Reviews last updated December 11, 2025.
See what other customers who have flown with KLM, Austrian Airlines, and Qatar Airways from Bucharest Otopeni Intl Airport to Bangkok Suvarnabhumi Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.7
Good
1,432 reviews

Entertainment

7.1

Comfort

7.6

Crew

8.3

Overall

7.7

Boarding

7.8

Food

7.2

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
KLM
7.7
Good
1,432 reviews
KLM
7.7
Good
1,432 reviews

Entertainment

7.1

Comfort

7.6

Crew

8.3

Overall

7.7

Boarding

7.8

Food

7.2

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
Austrian Airlines
7.6
Good
879 reviews
KLM
7.7
Good
1,432 reviews

Entertainment

7.1

Comfort

7.6

Crew

8.3

Overall

7.7

Boarding

7.8

Food

7.2

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
Qatar Airways
7.4
Good
3,676 reviews
KLM
7.7
Good
1,432 reviews

Entertainment

7.1

Comfort

7.6

Crew

8.3

Overall

7.7

Boarding

7.8

Food

7.2

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
Turkish Airlines
7.3
Good
4,088 reviews
KLM
7.7
Good
1,432 reviews

Entertainment

7.1

Comfort

7.6

Crew

8.3

Overall

7.7

Boarding

7.8

Food

7.2

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle

Related info for your journey

Find useful and relevant information for your journey from Otopeni Intl to Suvarnabhumi. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Bucharest Otopeni Intl Airport to Bangkok Suvarnabhumi Airport round-trip?

    Austrian Airlines, at $641, was found to be the cheapest airline from Bucharest Otopeni Intl Airport to Bangkok Suvarnabhumi Airport.Alternate airlines to your destination round-trip include Turkish Airlines and Qatar Airways. You may be able to fly from Bucharest Otopeni Intl Airport to Bangkok Suvarnabhumi Airport for 31% less than the average price by searching for these airlines.

  • Can I find deals for flights from Otopeni Intl to Suvarnabhumi that include hotel bookings?

    Yes. In addition to deals on Otopeni Intl to Suvarnabhumi flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Otopeni Intl to Suvarnabhumi?

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

  • Can I find deals for business class flights from Otopeni Intl to Suvarnabhumi?

    Yes. Cheapflights offers flight deals from Otopeni Intl to Suvarnabhumi 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 Bucharest Otopeni Intl Airport to Bangkok Suvarnabhumi Airport?

    Currently, September is the cheapest month in which you can book a flight from Bucharest Otopeni Intl Airport to Bangkok Suvarnabhumi Airport (average of $561). Flying from Bucharest Otopeni Intl Airport to Bangkok Suvarnabhumi Airport in July is currently the most expensive (average of $838). 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

Traveling to a place near Bangkok Suvarnabhumi Airport?

Book flights to Bangkok Suvarnabhumi Airport if you plan to visit one of these locations
Sattahip
Kanchanaburi
Chonburi
Cha-am
Ko Samet
Pak Chong
Ko Lan

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Top 4 airlines flying from Otopeni Intl to Suvarnabhumi

Discover the top 4 airlines that operate flights from Otopeni Intl to Suvarnabhumi. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Austrian AirlinesCheapest$641Average$738FlexibilityNo cancel feeOn-time78%
Turkish AirlinesCheapest$811Average$1,016FlexibilityNo cancel feeOn-time77%
Qatar AirwaysCheapest$868Average$958FlexibilityNo cancel feeOn-time68%
KLMCheapest$875Average$1,187FlexibilityNo cancel feeOn-time75%

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