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Otopeni Intl

$238+ 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 4/25. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — OTP
Feb 20 — Feb 271
Fri 2/20
Fri 2/27
1 adult, Economy
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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 January 21, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/1611:55 pm
IAD
-
OTP
1 stop12h 40m
Lufthansa
Wed 4/16:05 am
OTP
-
IAD
1 stop17h 00m
Lufthansa
Deal found 1/20$464
This Kiwi.com deal was found by Cheapflights users on 1/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/86:00 pm
IAD
-
OTP
1 stop13h 05m
Lufthansa
Tue 2/245:55 am
OTP
-
IAD
1 stop16h 55m
Lufthansa
Deal found 1/21$471
This Kiwi.com deal was found by Cheapflights users on 1/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/256:00 pm
IAD
-
OTP
1 stop13h 00m
Lufthansa
Wed 3/46:05 am
OTP
-
IAD
1 stop16h 45m
Lufthansa
Deal found 1/20$472
This Kiwi.com deal was found by Cheapflights users on 1/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/228:20 pm
IAD
-
OTP
1 stop12h 00m
SWISS
Wed 4/296:20 am
OTP
-
IAD
1 stop17h 25m
SWISS
Deal found 1/20$478
This Kiwi.com deal was found by Cheapflights users on 1/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/278:20 pm
IAD
-
OTP
1 stop12h 00m
SWISS
Mon 5/44:10 pm
OTP
-
IAD
1 stop31h 35m
SWISS
Deal found 1/20$479
This Kiwi.com deal was found by Cheapflights users on 1/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/117:00 pm
IAD
-
OTP
1 stop11h 30m
Multiple Airlines
Wed 3/251:05 pm
OTP
-
IAD
1 stop14h 00m
Multiple Airlines
Deal found 1/19$483
This Mytrip deal was found by Cheapflights users on 1/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/104:30 pm
IAD
-
OTP
2 stops17h 15m
Multiple Airlines
Tue 3/245:55 am
OTP
-
IAD
1 stop16h 55m
Multiple Airlines
Deal found 1/20$491
This KAYAK deal was found by Cheapflights users on 1/21. 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.
Tue 9/19:30 pm
IAD
-
OTP
1 stop34h 05m
British Airways
Fri 9/188:15 am
OTP
-
IAD
1 stop19h 05m
British Airways
Deal found 1/21$493
This KAYAK deal was found by Cheapflights users on 1/20. 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.
Tue 3/177:20 pm
IAD
-
OTP
1 stop13h 25m
British Airways
Wed 4/18:15 am
OTP
-
IAD
1 stop16h 10m
British Airways
Deal found 1/20$495
This Kiwi.com deal was found by Cheapflights users on 1/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/237:00 pm
IAD
-
OTP
1 stop11h 30m
Austrian Airlines
Mon 3/306:55 pm
OTP
-
IAD
1 stop26h 40m
Austrian Airlines
Deal found 1/20$497
This KAYAK deal was found by Cheapflights users on 1/20. 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.
Tue 5/55:40 pm
IAD
-
OTP
1 stop24h 40m
British Airways
Fri 5/298:15 am
OTP
-
IAD
1 stop19h 05m
British Airways
Deal found 1/20$498

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 January 21, 2026.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$464
(Kiwi.com)

One-way from

$238
(United Airlines)

Popular in

December

Cheapest in

October

Average price

$639
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
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High demand for flights, 1% potential price rise
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
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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 January 21, 2026.
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

Tue 2/10

6:20 pm-2:45 pm

1 stop13h 25m

Bucharest Otopeni Intl

Tue 2/24

8:00 am-7:55 pm

1 stop18h 55m

$502

Washington, D.C.Bucharest

IAD - OTP

IADOTP

Washington, D.C. Dulles Intl

Mon 3/23

6:40 pm-6:35 pm

1 stop17h 55m

Bucharest Otopeni Intl

Tue 3/31

6:05 am-3:05 pm

1 stop16h 00m

$502

Washington, D.C.Bucharest

IAD - OTP

IADOTP

Washington, D.C. Dulles Intl

Tue 2/10

1:15 pm-3:45 pm

2 stops19h 30m

Bucharest Otopeni Intl

Tue 2/24

5:55 am-8:54 pm

2 stops21h 59m

$510

Washington, D.C.Bucharest

IAD - OTP

IADOTP

Washington, D.C. Dulles Intl

Wed 4/22

10:20 pm-1:10 am

1 stop19h 50m

Bucharest Otopeni Intl

Tue 4/28

6:05 am-7:23 pm

2 stops20h 18m

$512

Washington, D.C.Bucharest

IAD - OTP

IADOTP

Washington, D.C. Dulles Intl

Wed 4/22

10:20 pm-6:35 pm

1 stop13h 15m

Bucharest Otopeni Intl

Fri 5/1

6:15 am-8:29 pm

2 stops21h 14m

$512

Washington, D.C.Bucharest

IAD - OTP

IADOTP

Washington, D.C. Dulles Intl

Wed 2/25

10:00 pm-11:55 pm

1 stop18h 55m

Bucharest Otopeni Intl

Fri 3/6

5:55 am-8:54 pm

2 stops21h 59m

$517

Washington, D.C.Bucharest

IAD - OTP

IADOTP

Washington, D.C. Dulles Intl

Tue 3/17

12:33 pm-1:55 pm

2 stops19h 22m

Bucharest Otopeni Intl

Thu 3/26

5:50 am-3:35 pm

1 stop15h 45m

$522

Washington, D.C.Bucharest

IAD - OTP

IADOTP

Washington, D.C. Dulles Intl

Sun 3/22

6:15 pm-2:05 pm

1 stop13h 50m

Bucharest Otopeni Intl

Wed 4/1

1:45 pm-12:15 am

2 stops17h 30m

$524

Washington, D.C.Bucharest

IAD - OTP

IADOTP

Washington, D.C. Dulles Intl

Tue 4/28

10:20 pm-1:10 am

1 stop19h 50m

Bucharest Otopeni Intl

Fri 5/1

6:05 am-4:05 pm

1 stop17h 00m

$532

Washington, D.C.Bucharest

IAD - OTP

IADOTP

Washington, D.C. Dulles Intl

Mon 2/16

9:15 pm-8:50 am

1 stop28h 35m

Bucharest Otopeni Intl

Sun 2/22

9:50 pm-7:20 pm

1 stop28h 30m

$538

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Showing 1-10 of 20 results
1
2

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 January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
oojoPrice Accuracy3 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*2 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 January 16, 2026.

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, January 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 $447). Flying from Washington, D.C. Dulles Intl Airport to Bucharest Otopeni Intl Airport in June is currently the most expensive (average of $733). 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.

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 January 21, 2026.
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
1,523 reviews

Entertainment

7.0

Overall

7.4

Comfort

7.3

Crew

8.1

Food

7.0

Boarding

7.4

Reviews

1 / 20
6.0
Good

Jayesh,Jan 2026

CDG - NMI

Entertainment needs more good Bollywood movies - as this flight was going to Mumbai, India. The Aircraft was a OLD - Is service to India cannot be improved ? The aircraft from Newark to Paris was great n new aircraft BUT aircraft from Paris to Mumbai was very old and poor class
Air France
7.4
Good
1,523 reviews
Air France
7.4
Good
1,523 reviews

Entertainment

7.0

Overall

7.4

Comfort

7.3

Crew

8.1

Food

7.0

Boarding

7.4

Reviews

1 / 20
6.0
Good

Jayesh,Jan 2026

CDG - NMI

Entertainment needs more good Bollywood movies - as this flight was going to Mumbai, India. The Aircraft was a OLD - Is service to India cannot be improved ? The aircraft from Newark to Paris was great n new aircraft BUT aircraft from Paris to Mumbai was very old and poor class
United Airlines
7.4
Good
9,191 reviews
Air France
7.4
Good
1,523 reviews

Entertainment

7.0

Overall

7.4

Comfort

7.3

Crew

8.1

Food

7.0

Boarding

7.4

Reviews

1 / 20
6.0
Good

Jayesh,Jan 2026

CDG - NMI

Entertainment needs more good Bollywood movies - as this flight was going to Mumbai, India. The Aircraft was a OLD - Is service to India cannot be improved ? The aircraft from Newark to Paris was great n new aircraft BUT aircraft from Paris to Mumbai was very old and poor class
Turkish Airlines
7.3
Good
4,200 reviews
Air France
7.4
Good
1,523 reviews

Entertainment

7.0

Overall

7.4

Comfort

7.3

Crew

8.1

Food

7.0

Boarding

7.4

Reviews

1 / 20
6.0
Good

Jayesh,Jan 2026

CDG - NMI

Entertainment needs more good Bollywood movies - as this flight was going to Mumbai, India. The Aircraft was a OLD - Is service to India cannot be improved ? The aircraft from Newark to Paris was great n new aircraft BUT aircraft from Paris to Mumbai was very old and poor class
Lufthansa
6.8
Okay
7,738 reviews
Air France
7.4
Good
1,523 reviews

Entertainment

7.0

Overall

7.4

Comfort

7.3

Crew

8.1

Food

7.0

Boarding

7.4

Reviews

1 / 20
6.0
Good

Jayesh,Jan 2026

CDG - NMI

Entertainment needs more good Bollywood movies - as this flight was going to Mumbai, India. The Aircraft was a OLD - Is service to India cannot be improved ? The aircraft from Newark to Paris was great n new aircraft BUT aircraft from Paris to Mumbai was very old and poor class
British Airways
6.7
Okay
7,689 reviews
Air France
7.4
Good
1,523 reviews

Entertainment

7.0

Overall

7.4

Comfort

7.3

Crew

8.1

Food

7.0

Boarding

7.4

Reviews

1 / 20
6.0
Good

Jayesh,Jan 2026

CDG - NMI

Entertainment needs more good Bollywood movies - as this flight was going to Mumbai, India. The Aircraft was a OLD - Is service to India cannot be improved ? The aircraft from Newark to Paris was great n new aircraft BUT aircraft from Paris to Mumbai was very old and poor class

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 13h 25m. Fly via British Airways, United Airlines, or Air Canada to get the fastest option. Airlines will cover a distance of 4962 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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 41% 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, January 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 $447). Flying from Washington, D.C. Dulles Intl Airport to Bucharest Otopeni Intl Airport in June is currently the most expensive (average of $733). 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.
Baltimore to Otopeni Intl flights
Reagan-National to Otopeni Intl flights

Top 8 airlines flying from Dulles Intl to Otopeni Intl

Discover the top 8 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 January 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$446Average$576FlexibilityNo cancel feeOn-time77%
SWISSCheapest$557Average$817FlexibilityNo cancel feeOn-time79%
Turkish AirlinesCheapest$562Average$683FlexibilityNo cancel feeOn-time77%
DeltaCheapest$585Average$723FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$592Average$709FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$609Average$895FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$616Average$1,020FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$660Average$818FlexibilityNo cancel feeOn-time70%

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