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Otopeni Intl

$344+ 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 11/25. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — OTP
nov. 26 — dic. 31
mié. 11/26
mié. 12/3
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 January, 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

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 octubre 27, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$574
(Delta)

One-way from

$344
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$618
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.
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From Washington, D.C. Dulles Intl to Bucharest Otopeni Intl
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One-way flight from Washington, D.C. Dulles Intl to Bucharest Otopeni Intl
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Highest demand for flights based on searches. 13% potential increase in price ($127 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($19 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find 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 octubre 27, 2025.

This oojo deal was found by Cheapflights users on 10/26. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/21:30 pmIAD - OTP
1 stop15h 55mTurkish Airlines
lun. 11/103:30 pmOTP - IAD
1 stop27h 15mTurkish Airlines
Deal found 10/26$576
This KAYAK deal was found by Cheapflights users on 10/25. 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.
dom. 12/2810:55 pmIAD - OTP
2 stops17h 55mLufthansa
jue. 1/226:05 amOTP - IAD
2 stops16h 45mLufthansa
Deal found 10/25$593
This United Airlines deal was found by Cheapflights users on 10/25. 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. 12/2410:00 pmIAD - OTP
1 stop18h 55mUnited Airlines
dom. 1/185:55 amOTP - IAD
1 stop21h 20mUnited Airlines
Deal found 10/25$620
This United Airlines deal was found by Cheapflights users on 10/25. 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. 12/2410:00 pmIAD - OTP
1 stop18h 55mUnited Airlines
vie. 1/165:55 amOTP - IAD
1 stop16h 55mUnited Airlines
Deal found 10/25$621
This KAYAK deal was found by Cheapflights users on 10/25. 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. 12/249:45 pmIAD - OTP
1 stop18h 45mBritish Airways
lun. 1/194:00 pmOTP - IAD
1 stop30h 35mBritish Airways
Deal found 10/25$623
This Mytrip deal was found by Cheapflights users on 10/25. 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.
dom. 11/99:45 amIAD - OTP
3 stops25h 40mMultiple Airlines
sáb. 11/1510:55 pmOTP - IAD
2 stops23h 55mMultiple Airlines
Deal found 10/25$641
This Booking.com deal was found by Cheapflights users on 10/27. 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.
dom. 11/28:30 pmIAD - OTP
1 stop21h 00mMultiple Airlines
dom. 11/91:05 pmOTP - IAD
1 stop14h 00mMultiple Airlines
Deal found 10/27$649
This Mytrip deal was found by Cheapflights users on 10/25. 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.
mar. 12/98:30 pmIAD - OTP
3 stops23h 40mMultiple Airlines
mar. 12/166:00 amOTP - IAD
2 stops17h 40mMultiple Airlines
Deal found 10/25$659
This FlightHub deal was found by Cheapflights users on 10/25. 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.
vie. 12/261:30 pmIAD - OTP
1 stop12h 20mTurkish Airlines
lun. 1/199:50 pmOTP - IAD
1 stop28h 30mTurkish Airlines
Deal found 10/25$661
This Mytrip deal was found by Cheapflights users on 10/26. 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.
mié. 11/269:45 amIAD - OTP
3 stops33h 00mMultiple Airlines
mar. 12/26:00 amOTP - IAD
2 stops17h 40mMultiple Airlines
Deal found 10/26$662

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 octubre 27, 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

jue. 2/26

12:45 pm-2:05 pm

2 stops18h 20m

Bucharest Otopeni Intl

jue. 3/12

5:50 am-3:35 pm

1 stop15h 45m

$576

Washington, D.C.Bucharest

IAD - OTP

IADOTP

Washington, D.C. Dulles Intl

jue. 2/26

12:30 pm-1:00 pm

2 stops17h 30m

Bucharest Otopeni Intl

jue. 3/12

6:00 am-12:07 am

2 stops24h 07m

$579

Washington, D.C.Bucharest

IAD - OTP

IADOTP

Washington, D.C. Dulles Intl

mar. 2/24

1:13 pm-1:55 pm

2 stops17h 42m

Bucharest Otopeni Intl

mar. 3/10

5:55 am-9:16 pm

2 stops21h 21m

$582

Washington, D.C.Bucharest

IAD - OTP

IADOTP

Washington, D.C. Dulles Intl

lun. 2/23

1:13 pm-2:05 pm

2 stops17h 52m

Bucharest Otopeni Intl

lun. 3/9

2:50 pm-3:35 pm

1 stop30h 45m

$590

Washington, D.C.Bucharest

IAD - OTP

IADOTP

Washington, D.C. Dulles Intl

mié. 3/25

12:30 pm-1:00 pm

2 stops18h 30m

Bucharest Otopeni Intl

mié. 4/8

1:50 pm-12:07 am

2 stops17h 17m

$604

Washington, D.C.Bucharest

IAD - OTP

IADOTP

Washington, D.C. Dulles Intl

mié. 3/25

2:30 pm-2:10 pm

1 stop17h 40m

Bucharest Otopeni Intl

dom. 3/29

9:45 pm-11:35 am

1 stop20h 50m

$606

Washington, D.C.Bucharest

IAD - OTP

IADOTP

Washington, D.C. Dulles Intl

mié. 12/24

10:00 pm-11:55 pm

1 stop18h 55m

Bucharest Otopeni Intl

vie. 1/16

5:55 am-3:50 pm

1 stop16h 55m

$621

Washington, D.C.Bucharest

IAD - OTP

IADOTP

Washington, D.C. Dulles Intl

dom. 2/22

8:15 am-2:05 pm

2 stops22h 50m

Bucharest Otopeni Intl

dom. 3/8

5:55 am-2:35 pm

1 stop15h 40m

$626

Washington, D.C.Bucharest

IAD - OTP

IADOTP

Washington, D.C. Dulles Intl

jue. 11/6

8:22 pm-12:55 pm

3 stops57h 33m

$349

Washington, D.C.Bucharest

IAD - OTP

IADOTP

Washington, D.C. Dulles Intl

mar. 11/25

5:30 pm-5:15 pm

2 stops40h 45m

$377

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/24

Showing 1-10 of 19 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 October.
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
AranGrantPrice Accuracy2 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 October 24, 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 $508). Flying from Washington, D.C. Dulles Intl Airport to Bucharest Otopeni Intl Airport in June is currently the most expensive (average of $771). 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 octubre 27, 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.

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 octubre 27, 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
1,480 reviews

Food

7.0

Crew

8.2

Boarding

7.4

Overall

7.4

Entertainment

7.0

Comfort

7.3

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
1,480 reviews
Air France
7.4
Good
1,480 reviews

Food

7.0

Crew

8.2

Boarding

7.4

Overall

7.4

Entertainment

7.0

Comfort

7.3

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
8,997 reviews
Air France
7.4
Good
1,480 reviews

Food

7.0

Crew

8.2

Boarding

7.4

Overall

7.4

Entertainment

7.0

Comfort

7.3

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
4,030 reviews
Air France
7.4
Good
1,480 reviews

Food

7.0

Crew

8.2

Boarding

7.4

Overall

7.4

Entertainment

7.0

Comfort

7.3

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
7,532 reviews
Air France
7.4
Good
1,480 reviews

Food

7.0

Crew

8.2

Boarding

7.4

Overall

7.4

Entertainment

7.0

Comfort

7.3

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
7,476 reviews
Air France
7.4
Good
1,480 reviews

Food

7.0

Crew

8.2

Boarding

7.4

Overall

7.4

Entertainment

7.0

Comfort

7.3

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 17h 30m. Fly via United Airlines or Delta 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 KLM and SWISS. 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 $508). Flying from Washington, D.C. Dulles Intl Airport to Bucharest Otopeni Intl Airport in June is currently the most expensive (average of $771). 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 octubre 27, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$446Average$628FlexibilityNo cancel feeOn-time77%
KLMCheapest$483Average$811FlexibilityNo cancel feeOn-time75%
SWISSCheapest$557Average$817FlexibilityNo cancel feeOn-time79%
Turkish AirlinesCheapest$576Average$678FlexibilityNo cancel feeOn-time77%
DeltaCheapest$585Average$723FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$616Average$1,030FlexibilityNo cancel feeOn-time76%
Air FranceCheapest$622Average$861FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$622Average$981FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$660Average$847FlexibilityNo cancel feeOn-time70%

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