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Otopeni Intl

$662+ Cheap flights from Detroit (DTT) to Otopeni Intl (OTP)

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 7/27. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — OTP
May 6 — May 131
Tue 5/6
Tue 5/13
1 adult, Economy
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Cheap flight deals from Detroit to Otopeni Intl

Discover tips and strategies to find the most affordable flight options for your journey from Detroit (DTT) 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 May 1, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$662
(Delta)

Popular in

December

Cheapest in

January

Average price

$825
Provider with most accurate pricing for Detroit (DTT)-Bucharest Otopeni Intl flight deals.
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Provider most trusted by Cheapflights users for Detroit (DTT)-Bucharest Otopeni Intl flights.
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From Detroit (DTT) to Bucharest Otopeni Intl
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Highest demand for flights based on searches. 19% potential increase in price ($217 potential increase over avg. RT price).
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Cheapest flight prices on average. 10% potential price decrease ($86 potential savings vs. average RT price).
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Average for round-trip flights in May 2025
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Find flight deals from Detroit to Otopeni Intl

Cheapest flights from Detroit to Otopeni Intl
Explore the most affordable flight options available from Detroit to Otopeni Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.

This FlightHub deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/234:00 pmDTW - OTP
1 stop18h 55mMultiple Airlines
Wed 8/206:30 amOTP - DTW
2 stops22h 52mMultiple Airlines
Deal found 4/30$664
This SWISS deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/72:10 pmDTW - OTP
2 stops18h 10mSWISS
Tue 8/194:10 pmOTP - DTW
2 stops37h 12mSWISS
Deal found 4/30$673
This FlightHub deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/39:30 amDTW - OTP
2 stops26h 05mAir Canada
Tue 8/196:00 amOTP - DTW
2 stops22h 26mAir Canada
Deal found 4/30$678
This Delta deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/14:25 pmDTW - OTP
1 stop13h 30mDelta
Wed 8/201:05 pmOTP - DTW
1 stop29h 40mDelta
Deal found 4/30$680
This Lufthansa deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/74:00 pmDTW - OTP
1 stop17h 50mLufthansa
Tue 8/196:40 pmOTP - DTW
2 stops29h 11mLufthansa
Deal found 4/30$699
This Air France deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/234:25 pmDTW - OTP
1 stop12h 45mAir France
Wed 8/201:05 pmOTP - DTW
1 stop13h 00mAir France
Deal found 4/30$733
This United Airlines deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/84:00 pmDTW - OTP
1 stop18h 55mUnited Airlines
Fri 8/156:00 amOTP - DTW
2 stops35h 13mUnited Airlines
Deal found 4/30$754
This KAYAK deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/47:01 amDTW - OTP
2 stops31h 04mScandinavian Airlines
Sun 8/179:25 pmOTP - DTW
2 stops32h 31mScandinavian Airlines
Deal found 4/30$786
This KLM deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/1510:35 pmDTW - OTP
1 stop11h 45mKLM
Tue 8/196:05 pmOTP - DTW
1 stop24h 45mKLM
Deal found 4/30$806
This American Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/293:35 pmDTW - OTP
2 stops15h 55mAmerican Airlines
Thu 12/258:05 amOTP - DTW
2 stops20h 09mAmerican Airlines
Deal found 4/29$929
This Justfly.com deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/76:00 amDTW - OTP
2 stops28h 45mLOT
Sat 5/175:35 amOTP - DTW
2 stops25h 22mLOT
Deal found 4/30$1,212
This Emirates deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/306:09 pmDTW - OTP
2 stops24h 11mEmirates
Sat 6/142:20 amOTP - DTW
2 stops26h 48mEmirates
Deal found 4/30$2,323

Cheapflights Fare Finder

Customize your flight search to find flights from Detroit 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 2,558,603 searches. Data last updated May 1, 2025.
Use the filters below to find and compare flights from Detroit to Bucharest Otopeni Intl Airport that are best for you.

Fly from

Detroit

Fly to

Otopeni Intl

Route

Depart

Return

Price

DetroitBucharest

DTW - OTP

DTWOTP

Detroit Metropolitan Wayne County

Wed 7/23

4:00 pm-5:55 pm

1 stop18h 55m

Bucharest Otopeni Intl

Wed 8/20

6:30 am-10:22 pm

2 stops22h 52m

$664

DetroitBucharest

DTW - OTP

DTWOTP

Detroit Metropolitan Wayne County

Thu 8/7

2:10 pm-1:05 am

2 stops27h 55m

Bucharest Otopeni Intl

Thu 8/21

4:10 pm-4:46 pm

2 stops31h 36m

$673

DetroitBucharest

DTW - OTP

DTWOTP

Detroit Metropolitan Wayne County

Sun 8/3

9:30 am-6:35 pm

2 stops26h 05m

Bucharest Otopeni Intl

Tue 8/19

6:00 am-9:26 pm

2 stops22h 26m

$678

DetroitBucharest

DTW - OTP

DTWOTP

Detroit Metropolitan Wayne County

Fri 8/1

4:25 pm-12:55 pm

1 stop13h 30m

Bucharest Otopeni Intl

Wed 8/20

1:05 pm-11:45 am

1 stop29h 40m

$680

DetroitBucharest

DTW - OTP

DTWOTP

Detroit Metropolitan Wayne County

Thu 8/7

4:00 pm-4:50 pm

1 stop17h 50m

Bucharest Otopeni Intl

Tue 8/19

6:40 pm-4:51 pm

2 stops29h 11m

$699

DetroitBucharest

DTW - OTP

DTWOTP

Detroit Metropolitan Wayne County

Wed 7/23

4:25 pm-12:10 pm

1 stop12h 45m

Bucharest Otopeni Intl

Wed 8/20

1:05 pm-7:05 pm

1 stop13h 00m

$733

DetroitBucharest

DTW - OTP

DTWOTP

Detroit Metropolitan Wayne County

Fri 8/8

4:00 pm-5:55 pm

1 stop18h 55m

Bucharest Otopeni Intl

Fri 8/15

6:00 am-10:13 am

2 stops35h 13m

$754

DetroitBucharest

DTW - OTP

DTWOTP

Detroit Metropolitan Wayne County

Mon 8/4

7:01 am-9:05 pm

2 stops31h 04m

Bucharest Otopeni Intl

Sun 8/17

9:25 pm-10:56 pm

2 stops32h 31m

$786

DetroitBucharest

DTW - OTP

DTWOTP

Detroit Metropolitan Wayne County

Tue 7/15

10:35 pm-5:20 pm

1 stop11h 45m

Bucharest Otopeni Intl

Tue 8/19

6:05 pm-11:50 am

1 stop24h 45m

$806

DetroitBucharest

DTW - OTP

DTWOTP

Detroit Metropolitan Wayne County

Thu 5/29

3:35 pm-2:30 pm

2 stops15h 55m

Bucharest Otopeni Intl

Thu 12/25

8:05 am-9:14 pm

2 stops20h 09m

$929

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 11 results
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Compare providers for flights from Detroit to Otopeni Intl

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 Detroit to Otopeni Intl in May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*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 Detroit-Bucharest Otopeni Intl Airport flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Detroit-Bucharest Otopeni Intl Airport flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Detroit-Bucharest Otopeni Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Detroit-Bucharest Otopeni Intl Airport flights, Cheapflights users trust AranGrant the most. AranGrant 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 Detroit-Bucharest Otopeni Intl 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 Detroit to Otopeni Intl

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

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

Currently, November is the cheapest month in which you can book a flight from Detroit to Bucharest Otopeni Intl Airport (average of $604). Flying from Detroit to Bucharest Otopeni Intl Airport in June is currently the most expensive (average of $1,169). 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 DTT to OTP?

Find hourly flight availability from Detroit to Otopeni Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 1, 2025.

It’s typically best to fly out from Detroit to Bucharest Otopeni Intl Airport in the evening. Doing so could potentially save you 24% on the flight price compared to flying at noon, which is usually more expensive.

What is the cheapest day to fly from Detroit to Bucharest Otopeni Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from Detroit to Otopeni Intl. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Detroit to Bucharest Otopeni Intl Airport flight should consider departing on Saturday evenings when fares are most often at their lowest. Friday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Otopeni Intl by month

Plan your trip to Otopeni Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Bucharest Otopeni Intl Airport ranges from 0.8 - 3.1 inches per month. June is typically the wettest month, when rainfall can reach 3.1 in. October is typically the driest time to visit Bucharest Otopeni Intl Airport when rainfall is around 0.8 in.

Temperature in Otopeni Intl by month

Plan your trip to Otopeni Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Bucharest Otopeni Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

Reviews of airlines servicing Otopeni Intl

Get insights into the airlines that provide service to Otopeni Intl. 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 Otopeni Intl. Reviews last updated May 1, 2025.
To help decide which airline to fly from Detroit to Bucharest, see what other customers have to say about Delta, KLM and SWISS. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,934 reviews

Food

7.3

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,934 reviews
Delta
8.0
Very good
7,934 reviews

Food

7.3

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,334 reviews
Delta
8.0
Very good
7,934 reviews

Food

7.3

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
SWISS
7.5
Good
1,588 reviews
Delta
8.0
Very good
7,934 reviews

Food

7.3

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air France
7.4
Good
1,446 reviews
Delta
8.0
Very good
7,934 reviews

Food

7.3

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,696 reviews
Delta
8.0
Very good
7,934 reviews

Food

7.3

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Detroit to Otopeni Intl. 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 Detroit to Bucharest Otopeni Intl?

    Detroit All airports (DTT) is the airport you will fly out of if you book a flight from Detroit to Bucharest Otopeni Intl. You should not have trouble finding flights to Bucharest Otopeni Intl from All airports; the airport handles an average of 0 outbound flights to Bucharest Otopeni Intl per day. You should also have plenty of airline options to choose from since 5 airlines have flights from the Detroit airport to Bucharest Otopeni Intl. It is only a 0.6 mi journey to All airports (DTT) from Detroit’s city center.

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

    According to our current data, Delta ($662), Air Canada ($666), and SWISS ($668) offers the cheapest pricing from Detroit to Bucharest Otopeni Intl Airport. Delta is priced at 28% lower than the current average price of a flight leaving 3 months from now.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Detroit 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.

  • What is the cheapest month to book a flight from Detroit to Bucharest Otopeni Intl Airport?

    Currently, November is the cheapest month in which you can book a flight from Detroit to Bucharest Otopeni Intl Airport (average of $604). Flying from Detroit to Bucharest Otopeni Intl Airport in June is currently the most expensive (average of $1,169). 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

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Top 5 airlines flying from Detroit to Otopeni Intl

Discover the top 5 airlines that operate flights from Detroit to Otopeni Intl. 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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$519Average$654FlexibilityNo cancel feeOn-time77%
KLMCheapest$569Average$865FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$599Average$878FlexibilityNo cancel feeOn-time76%
DeltaCheapest$604Average$985FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$661Average$777FlexibilityNo cancel feeOn-time77%

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