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Otopeni Intl

$258+ Cheap flights from Dulles Intl (IAD) to Otopeni Intl (OTP)

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 1/20. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — OTP
ene. 11 — ene. 181
dom. 1/11
dom. 1/18
1 adult, Economy
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Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Bucharest Otopeni Intl are usually found in October or November, booked 84 days in advance, depart on a Tuesday or Sunday and return on a Thursday

Cheap flight deals from Dulles Intl to Otopeni Intl

Cheapest flights from Dulles Intl to Otopeni Intl
Explore the most affordable flight options available from Dulles Intl to Otopeni Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on diciembre 12, 2025.

This Booking.com deal was found by Cheapflights users on 12/9. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/1010:55 pmIAD - OTP
1 stop19h 10mLufthansa
mié. 1/146:05 amOTP - IAD
1 stop16h 45mLufthansa
Deal found 12/9$769
This Delta deal was found by Cheapflights users on 12/10. 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.
mié. 12/106:50 pmIAD - OTP
1 stop21h 00mDelta
mar. 12/231:55 pmOTP - IAD
1 stop33h 10mDelta
Deal found 12/10$774
This KAYAK deal was found by Cheapflights users on 12/10. 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.
mié. 12/1010:55 pmIAD - OTP
1 stop19h 10mLufthansa
vie. 12/196:05 amOTP - IAD
1 stop16h 30mLufthansa
Deal found 12/10$779
This KLM deal was found by Cheapflights users on 12/9. 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.
mié. 12/106:05 pmIAD - OTP
1 stop23h 25mKLM
dom. 12/216:00 pmOTP - IAD
1 stop29h 05mKLM
Deal found 12/9$780
This Delta deal was found by Cheapflights users on 12/10. 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.
mié. 12/106:50 pmIAD - OTP
1 stop21h 00mDelta
mié. 12/241:55 pmOTP - IAD
2 stops33h 28mDelta
Deal found 12/10$784
This SWISS deal was found by Cheapflights users on 12/10. 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.
jue. 12/118:30 pmIAD - OTP
1 stop20h 55mSWISS
lun. 12/224:40 pmOTP - IAD
1 stop31h 00mSWISS
Deal found 12/10$788
This Gurufare deal was found by Cheapflights users on 12/9. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/1010:15 pmIAD - OTP
2 stops19h 10mMultiple Airlines
mié. 1/146:05 amOTP - IAD
1 stop16h 45mMultiple Airlines
Deal found 12/9$789
This Delta deal was found by Cheapflights users on 12/10. 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.
mié. 12/106:50 pmIAD - OTP
1 stop21h 00mDelta
dom. 12/211:05 pmOTP - IAD
1 stop34h 30mDelta
Deal found 12/10$793
This SWISS deal was found by Cheapflights users on 12/9. 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.
mié. 12/1010:20 pmIAD - OTP
2 stops19h 05mSWISS
lun. 12/224:40 pmOTP - IAD
1 stop31h 00mSWISS
Deal found 12/9$794
This United Airlines deal was found by Cheapflights users on 12/10. 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.
mié. 12/1010:00 pmIAD - OTP
1 stop18h 55mUnited Airlines
lun. 12/225:55 amOTP - IAD
2 stops25h 20mUnited Airlines
Deal found 12/10$796
This KAYAK deal was found by Cheapflights users on 12/10. 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.
mié. 12/106:10 pmIAD - OTP
2 stops23h 15mSWISS
mar. 12/236:30 amOTP - IAD
1 stop17h 10mSWISS
Deal found 12/10$799

Find flight deals from Dulles Intl to Otopeni Intl

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) 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 diciembre 12, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$504
(Mytrip)

One-way from

$258
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$963
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Bucharest Otopeni Intl flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Bucharest Otopeni Intl flights.
Search Deals
From Washington, D.C. Dulles Intl to Bucharest Otopeni Intl
Search Deals
One-way flight from Washington, D.C. Dulles Intl to Bucharest Otopeni Intl
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($111 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl 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 diciembre 12, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Bucharest Otopeni Intl Airport that are best for you.

Fly from

Dulles Intl

Fly to

Otopeni Intl

Route

Depart

Return

Price

Washington, D.C.Bucharest

IAD - OTP

IADOTP

Washington, D.C. Dulles Intl

lun. 3/30

9:40 pm-2:35 pm

1 stop33h 55m

Bucharest Otopeni Intl

mié. 4/8

3:55 pm-11:35 am

1 stop26h 40m

$536

Washington, D.C.Bucharest

IAD - OTP

IADOTP

Washington, D.C. Dulles Intl

mar. 2/10

1:30 pm-8:50 am

1 stop12h 20m

Bucharest Otopeni Intl

mar. 2/24

3:30 pm-7:20 pm

1 stop34h 50m

$536

Washington, D.C.Bucharest

IAD - OTP

IADOTP

Washington, D.C. Dulles Intl

dom. 3/29

9:40 pm-8:25 pm

1 stop15h 45m

Bucharest Otopeni Intl

mar. 4/7

9:45 pm-7:45 pm

1 stop29h 00m

$551

Washington, D.C.Bucharest

IAD - OTP

IADOTP

Washington, D.C. Dulles Intl

dom. 3/29

9:00 am-11:55 am

2 stops19h 55m

Bucharest Otopeni Intl

mar. 4/7

6:05 am-3:50 pm

1 stop16h 45m

$668

Washington, D.C.Bucharest

IAD - OTP

IADOTP

Washington, D.C. Dulles Intl

mar. 2/10

5:40 pm-12:20 pm

1 stop11h 40m

Bucharest Otopeni Intl

mar. 2/24

5:55 am-4:21 pm

2 stops17h 26m

$685

Washington, D.C.Bucharest

IAD - OTP

IADOTP

Washington, D.C. Dulles Intl

mar. 3/24

1:19 pm-12:05 pm

2 stops16h 46m

Bucharest Otopeni Intl

mar. 4/14

7:00 am-3:35 pm

1 stop15h 35m

$688

Washington, D.C.Bucharest

IAD - OTP

IADOTP

Washington, D.C. Dulles Intl

mar. 2/10

7:15 am-12:05 pm

2 stops21h 50m

Bucharest Otopeni Intl

mar. 2/24

6:00 am-4:05 pm

1 stop17h 05m

$689

Washington, D.C.Bucharest

IAD - OTP

IADOTP

Washington, D.C. Dulles Intl

mié. 3/11

1:19 pm-12:05 pm

2 stops16h 46m

Bucharest Otopeni Intl

lun. 3/30

1:55 pm-3:35 pm

1 stop32h 40m

$689

Washington, D.C.Bucharest

IAD - OTP

IADOTP

Washington, D.C. Dulles Intl

lun. 3/16

1:19 pm-12:05 pm

2 stops16h 46m

Bucharest Otopeni Intl

vie. 3/27

6:00 am-5:05 pm

1 stop17h 05m

$689

Washington, D.C.Bucharest

IAD - OTP

IADOTP

Washington, D.C. Dulles Intl

mar. 3/10

7:59 pm-10:50 pm

2 stops20h 51m

Bucharest Otopeni Intl

mié. 3/25

1:55 pm-5:05 pm

1 stop33h 10m

$689

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 19 results
1
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Compare providers for flights from Dulles Intl 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 Dulles Intl to Otopeni Intl in December.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
ExpediaPrice Accuracy2 starsTrust Score*3 stars
oojoPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust 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 Washington, D.C. Dulles Intl Airport-Bucharest Otopeni Intl Airport flights, users find the pricing of Justfly.com to be most consistent on Cheapflights vs. Justfly.com Users can find the same prices on Washington, D.C. Dulles Intl Airport-Bucharest Otopeni Intl Airport flight deals on Cheapflights vs. Justfly.com >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Bucharest Otopeni Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Bucharest Otopeni Intl Airport flights, Cheapflights users trust Justfly.com the most. Justfly.com 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 Washington, D.C. Dulles Intl Airport-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 Dulles Intl to Otopeni Intl

Have a flexible travel schedule? Discover the best time to fly to Otopeni Intl from Dulles 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 Washington, D.C. Dulles Intl Airport to Bucharest Otopeni Intl Airport

How far ahead should I book a flight from Washington, D.C. Dulles Intl Airport to Bucharest Otopeni Intl Airport?

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

The best time to book flights from Washington, D.C. Dulles Intl Airport to Bucharest Otopeni Intl Airport is 83 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Bucharest Otopeni Intl Airport?

Currently, April is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Bucharest Otopeni Intl Airport (average of $501). Flying from Washington, D.C. Dulles Intl Airport to Bucharest Otopeni Intl Airport in June is currently the most expensive (average of $764). 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 IAD to OTP?

Find hourly flight availability from Dulles Intl 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 diciembre 12, 2025.

It’s typically best to fly out from Washington, D.C. Dulles Intl Airport to Bucharest Otopeni Intl Airport at noon. Doing so could potentially save you 31% on the flight price compared to flying in the morning, which is usually more expensive.

How much does it cost to fly round-trip from Washington, D.C. Dulles Intl Airport to Bucharest Otopeni Intl Airport?

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 diciembre 12, 2025.
Get a feel of what it's like to fly with Air France, United Airlines, and Turkish Airlines from Washington, D.C. Dulles Intl Airport to Bucharest Otopeni Intl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air France
7.4
Good
1,504 reviews

Food

7.0

Comfort

7.3

Crew

8.2

Boarding

7.4

Entertainment

7.0

Overall

7.4

Reviews

1 / 20
10.0
Excellent

SYLVIA,Apr 2025

TLV - CDG

A newer plane. The flight from TelAviv to Paris was on a new aircraft, wider seat. ,more privacy. Nice toilets. The flight from Paris to Santiago Chile was on a very old aircraft. Awful toilets, outmoded sits etc.
Air France
7.4
Good
1,504 reviews
Air France
7.4
Good
1,504 reviews

Food

7.0

Comfort

7.3

Crew

8.2

Boarding

7.4

Entertainment

7.0

Overall

7.4

Reviews

1 / 20
10.0
Excellent

SYLVIA,Apr 2025

TLV - CDG

A newer plane. The flight from TelAviv to Paris was on a new aircraft, wider seat. ,more privacy. Nice toilets. The flight from Paris to Santiago Chile was on a very old aircraft. Awful toilets, outmoded sits etc.
United Airlines
7.4
Good
9,093 reviews
Air France
7.4
Good
1,504 reviews

Food

7.0

Comfort

7.3

Crew

8.2

Boarding

7.4

Entertainment

7.0

Overall

7.4

Reviews

1 / 20
10.0
Excellent

SYLVIA,Apr 2025

TLV - CDG

A newer plane. The flight from TelAviv to Paris was on a new aircraft, wider seat. ,more privacy. Nice toilets. The flight from Paris to Santiago Chile was on a very old aircraft. Awful toilets, outmoded sits etc.
Turkish Airlines
7.3
Good
4,090 reviews
Air France
7.4
Good
1,504 reviews

Food

7.0

Comfort

7.3

Crew

8.2

Boarding

7.4

Entertainment

7.0

Overall

7.4

Reviews

1 / 20
10.0
Excellent

SYLVIA,Apr 2025

TLV - CDG

A newer plane. The flight from TelAviv to Paris was on a new aircraft, wider seat. ,more privacy. Nice toilets. The flight from Paris to Santiago Chile was on a very old aircraft. Awful toilets, outmoded sits etc.
Lufthansa
6.8
Okay
7,626 reviews
Air France
7.4
Good
1,504 reviews

Food

7.0

Comfort

7.3

Crew

8.2

Boarding

7.4

Entertainment

7.0

Overall

7.4

Reviews

1 / 20
10.0
Excellent

SYLVIA,Apr 2025

TLV - CDG

A newer plane. The flight from TelAviv to Paris was on a new aircraft, wider seat. ,more privacy. Nice toilets. The flight from Paris to Santiago Chile was on a very old aircraft. Awful toilets, outmoded sits etc.
British Airways
6.7
Okay
7,571 reviews
Air France
7.4
Good
1,504 reviews

Food

7.0

Comfort

7.3

Crew

8.2

Boarding

7.4

Entertainment

7.0

Overall

7.4

Reviews

1 / 20
10.0
Excellent

SYLVIA,Apr 2025

TLV - CDG

A newer plane. The flight from TelAviv to Paris was on a new aircraft, wider seat. ,more privacy. Nice toilets. The flight from Paris to Santiago Chile was on a very old aircraft. Awful toilets, outmoded sits etc.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl 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 Washington, D.C. Dulles Intl Airport to Bucharest Otopeni Intl Airport?

    There are many flights that can get you from Washington, D.C. Dulles Intl Airport to Bucharest Otopeni Intl Airport in 33h 55m. Fly via Turkish Airlines to get the fastest option. Airlines will cover a distance of 4962 mi.

  • What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Bucharest Otopeni Intl Airport round-trip?

    Scandinavian Airlines, at $446, was found to be the cheapest airline from Washington, D.C. Dulles Intl Airport to Bucharest Otopeni Intl Airport.Alternate airlines to your destination round-trip include SWISS and Turkish Airlines. Scandinavian Airlines is currently priced 44% below the average price you’ll pay for this route.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Dulles Intl 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 Washington, D.C. Dulles Intl Airport to Bucharest Otopeni Intl Airport?

    Currently, April is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Bucharest Otopeni Intl Airport (average of $501). Flying from Washington, D.C. Dulles Intl Airport to Bucharest Otopeni Intl Airport in June is currently the most expensive (average of $764). 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 Bucharest Otopeni Intl Airport?

Book flights to Bucharest Otopeni Intl Airport if you plan to visit one of these locations
Otopeni

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Alternative routes for Dulles Intl to Otopeni Intl

See prices for flight routes from nearby airports that may be better suited for you.
Reagan-National to Otopeni Intl flights
Baltimore to Otopeni Intl flights

Top 9 airlines flying from Dulles Intl to Otopeni Intl

Discover the top 9 airlines that operate flights from Dulles Intl 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 diciembre 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$446Average$628FlexibilityNo cancel feeOn-time77%
SWISSCheapest$557Average$817FlexibilityNo cancel feeOn-time79%
Turkish AirlinesCheapest$564Average$678FlexibilityNo cancel feeOn-time77%
DeltaCheapest$585Average$723FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$616Average$1,039FlexibilityNo cancel feeOn-time76%
KLMCheapest$621Average$811FlexibilityNo cancel feeOn-time75%
Air FranceCheapest$621Average$841FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$622Average$988FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$658Average$828FlexibilityNo cancel feeOn-time70%

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