Find flights
When to book
FAQs

Cheap flights from Bangkok to Bucharest Otopeni Intl Airport from ฿16,170

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/4. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — OTP
22 Apr — 29 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Bangkok to Otopeni Intl

Enter your travel dates to find the best prices.

Cheapest flights from Bangkok to Otopeni Intl
Explore the most affordable flight options available from Bangkok to Otopeni Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 23 March 2026.

Thu 14/509:40
BKK
-
OTP
2 stops31h 25m
Multiple Airlines
Wed 20/519:20
OTP
-
BKK
2 stops31h 25m
Multiple Airlines
Deal found 23/3฿21,232
Tue 5/515:55
BKK
-
OTP
2 stops31h 00m
Multiple Airlines
Tue 12/513:10
OTP
-
BKK
2 stops25h 00m
Multiple Airlines
Deal found 21/3฿21,593
Thu 14/520:15
BKK
-
OTP
2 stops20h 50m
Multiple Airlines
Mon 18/522:35
OTP
-
BKK
2 stops28h 10m
Multiple Airlines
Deal found 23/3฿23,006
Thu 7/509:15
BKK
-
OTP
2 stops20h 20m
Multiple Airlines
Thu 14/518:30
OTP
-
BKK
2 stops32h 00m
Multiple Airlines
Deal found 23/3฿24,157
Mon 4/520:30
BKK
-
OTP
1 stop23h 05m
Qatar Airways
Tue 12/510:40
OTP
-
BKK
1 stop22h 45m
Qatar Airways
Deal found 19/3฿25,044
Mon 4/501:45
BKK
-
OTP
1 stop17h 50m
Qatar Airways
Tue 12/517:10
OTP
-
BKK
1 stop21h 10m
Qatar Airways
Deal found 21/3฿25,471
Fri 17/409:40
BKK
-
OTP
2 stops19h 55m
Multiple Airlines
Thu 21/507:40
OTP
-
BKK
2 stops42h 50m
Multiple Airlines
Deal found 23/3฿25,767
Sun 31/501:45
BKK
-
OTP
1 stop17h 50m
Qatar Airways
Sun 7/617:10
OTP
-
BKK
1 stop16h 15m
Qatar Airways
Deal found 19/3฿25,899
Tue 15/923:50
DMK
-
OTP
1 stop18h 15m
ฟลายดูไบ
Sun 15/1114:55
OTP
-
DMK
1 stop24h 20m
ฟลายดูไบ
Deal found 22/3฿46,900

Find flight deals from Bangkok to Otopeni Intl

Discover tips and strategies to find the most affordable flight options for your journey from Bangkok (TH1) to Otopeni Intl (OTP). 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 23 March 2026.

Round-trip from

฿21,232

One-way from

฿16,170

Popular in

April

Cheapest in

May

Average price

฿29,383
14/5-20/5
  • 14/5-20/5
  • 4 total stops
  • 62h 50m total
  • Bangkok to Bucharest
Search Deals
2/4
  • 2/4
  • 2 total stops
  • 30h 35m total
  • Bangkok to Bucharest
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (฿49,902 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (฿45,739 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Bangkok to Otopeni Intl 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 17,341 searches. Data last updated 23 March 2026.
Use the filters below to find and compare flights from Bangkok to Bucharest Otopeni Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BangkokBucharest

BKK - OTP

BKKOTP

Bangkok Suvarnabhumi

Fri 15/5

09:40-01:35

2 stops19h 55m

Bucharest Otopeni Intl

Tue 19/5

07:40-18:10

2 stops30h 30m

฿25,044
Fastest return journey

BangkokBucharest

BKK - OTP

BKKOTP

Bangkok Suvarnabhumi

Wed 13/5

19:40-07:45

1 stop16h 05m

Bucharest Otopeni Intl

Sat 16/5

10:40-12:55

1 stop22h 15m

฿26,392

BangkokBucharest

BKK - OTP

BKKOTP

Bangkok Suvarnabhumi

Thu 7/5

20:30-15:35

1 stop23h 05m

Bucharest Otopeni Intl

Mon 11/5

17:10-18:20

1 stop21h 10m

฿27,608

BangkokBucharest

BKK - OTP

BKKOTP

Bangkok Suvarnabhumi

Tue 15/9

09:15-00:30

2 stops19h 15m

Bucharest Otopeni Intl

Sun 15/11

16:20-18:25

1 stop21h 05m

฿29,580

BangkokBucharest

BKK - OTP

BKKOTP

Bangkok Suvarnabhumi

Wed 6/5

02:15-08:35

1 stop34h 20m

Bucharest Otopeni Intl

Mon 11/5

15:05-18:20

1 stop23h 15m

฿35,003

BangkokBucharest

BKK - OTP

BKKOTP

Bangkok Suvarnabhumi

Sun 5/4

02:15-01:20

1 stop27h 05m

Bucharest Otopeni Intl

Mon 13/4

09:35-07:35

1 stop18h 00m

฿35,561

BangkokBucharest

DMK - OTP

DMKOTP

Bangkok Don Mueang Intl

Tue 15/9

23:50-14:05

1 stop18h 15m

Bucharest Otopeni Intl

Sun 15/11

14:55-20:15

1 stop24h 20m

฿46,900
Cheapest one-way
Fastest single journey

BangkokBucharest

BKK - OTP

BKKOTP

Bangkok Suvarnabhumi

Thu 28/5

01:45-15:35

1 stop17h 50m

฿17,518

BangkokBucharest

DMK - OTP

DMKOTP

Bangkok Don Mueang Intl

Thu 14/5

22:50-23:35

3 stops28h 45m

฿18,274

BangkokBucharest

DMK - OTP

DMKOTP

Bangkok Don Mueang Intl

Sat 4/4

20:10-01:20

2 stops33h 10m

฿19,325

Flights are sorted by cheapest return flights first.

Deals found on 20/3

Showing 1-10 of 22 resultsSorted by cheapest first
1
2
3

Best time to book a flight from Bangkok to Otopeni Intl

Have a flexible travel schedule? Discover the best time to fly to Otopeni Intl from Bangkok with our price prediction graph.
Estimated return 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 Bangkok to Bucharest Otopeni Intl Airport

How much does it cost for a return flight from Bangkok to Bucharest Otopeni Intl Airport?

How often are flights from Bangkok to Bucharest delayed?

About 0% of weekly flights between Bangkok and Bucharest have experienced delays in the past year, with the average delay time being 0 minutes.

What is the most punctual flight time for Bangkok to Bucharest flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the morning tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Saturday tends to have the lowest number of delays on this route, whereas Saturday has historically faced a higher average of delays compared to other days of the week.

Related info for your journey

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

  • How long is the flight from Bangkok to Bucharest Otopeni Intl Airport?

    Qatar Airways and ฟลายดูไบ can get you from Bangkok to Bucharest Otopeni Intl Airport in just under 16h 05m. Your travel time can differ by up to 2h 10m. The distance between Bangkok and Bucharest Otopeni Intl Airport is about 7728 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Bangkok to Otopeni Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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 Bangkok to Otopeni Intl

See prices for flight routes from nearby airports that may be better suited for you.
Chiang Mai to Otopeni Intl flights

Fly with Cheapflights

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

How does Cheapflights help users find flights from Bangkok to Otopeni Intl?

Cheapflights helps you search for flights from Bangkok to Otopeni Intl 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 Bangkok to Otopeni Intl?

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 Bangkok to Otopeni Intl.

Can Cheapflights find flights from Bangkok to Otopeni Intl with no change fees?

Yes, we can. To see specific flights from Bangkok to Otopeni Intl with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Bangkok to Otopeni Intl become cheaper?

Yes! Start tracking prices for Bangkok to Otopeni Intl 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.