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Otopeni Intl

$280+ 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 8/18. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — OTP
Apr 16 — Apr 231
Wed 4/16
Wed 4/23
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 January or October, 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 April 11, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$608
(American Airlines)

One-way from

$280
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$832
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. 24% potential increase in price ($261 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($30 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 11, 2025.

This FlightHub deal was found by Cheapflights users on 4/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2310:25 amIAD - OTP
2 stops18h 30mMultiple Airlines
Mon 11/34:35 pmOTP - IAD
1 stop30h 55mMultiple Airlines
Deal found 4/10$606
This American Airlines deal was found by Cheapflights users on 4/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/295:40 pmIAD - OTP
1 stop24h 45mAmerican Airlines
Tue 6/248:25 amOTP - IAD
1 stop18h 45mAmerican Airlines
Deal found 4/10$608
This British Airways deal was found by Cheapflights users on 4/9. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/245:40 pmIAD - OTP
1 stop23h 50mBritish Airways
Fri 6/138:25 amOTP - IAD
1 stop16h 05mBritish Airways
Deal found 4/9$610
This United deal was found by Cheapflights users on 4/10. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/610:20 pmIAD - OTP
1 stop19h 40mUnited Airlines
Wed 9/106:00 amOTP - IAD
2 stops22h 01mUnited Airlines
Deal found 4/10$615
This SWISS deal was found by Cheapflights users on 4/11. 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.
Mon 5/128:45 pmIAD - OTP
1 stop11h 35mSWISS
Mon 5/264:10 pmOTP - IAD
1 stop31h 05mSWISS
Deal found 4/11$621
This Austrian Airlines deal was found by Cheapflights users on 4/11. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/125:50 pmIAD - OTP
2 stops35h 35mAustrian Airlines
Mon 5/261:15 pmOTP - IAD
2 stops57h 54mAustrian Airlines
Deal found 4/11$652
This FlightHub deal was found by Cheapflights users on 4/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/211:30 pmIAD - OTP
1 stop18h 35mTurkish Airlines
Thu 5/19:45 pmOTP - IAD
1 stop21h 00mTurkish Airlines
Deal found 4/10$653
This Gotogate deal was found by Cheapflights users on 4/10. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/149:45 amIAD - OTP
2 stops20h 15mAir Canada
Fri 9/56:00 amOTP - IAD
2 stops22h 01mAir Canada
Deal found 4/10$667
This Delta deal was found by Cheapflights users on 4/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/812:30 pmIAD - OTP
2 stops16h 40mDelta
Thu 7/171:45 pmOTP - IAD
1 stop32h 50mDelta
Deal found 4/9$757
This Lufthansa deal was found by Cheapflights users on 4/10. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/76:10 pmIAD - OTP
2 stops17h 25mLufthansa
Mon 7/217:20 pmOTP - IAD
1 stop31h 05mLufthansa
Deal found 4/10$823
This Aeromexico deal was found by Cheapflights users on 4/11. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/79:30 amIAD - OTP
2 stops23h 20mAir France
Tue 7/151:10 pmOTP - IAD
2 stops37h 27mAir France
Deal found 4/11$830
This Gurufare deal was found by Cheapflights users on 4/10. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/104:30 pmIAD - OTP
2 stops27h 35mITA Airways
Mon 7/2110:50 amOTP - IAD
1 stop34h 50mITA Airways
Deal found 4/10$862

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 April 11, 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

Thu 5/29

5:40 pm-1:25 am

1 stop24h 45m

Bucharest Otopeni Intl

Tue 6/24

8:25 am-8:10 pm

1 stop18h 45m

$608

Washington, D.C.Bucharest

IAD - OTP

IADOTP

Washington, D.C. Dulles Intl

Sat 5/24

5:40 pm-12:30 am

1 stop23h 50m

Bucharest Otopeni Intl

Fri 6/13

8:25 am-5:30 pm

1 stop16h 05m

$610

Washington, D.C.Bucharest

IAD - OTP

IADOTP

Washington, D.C. Dulles Intl

Tue 10/7

9:55 am-3:20 pm

2 stops22h 25m

Bucharest Otopeni Intl

Tue 10/21

6:00 am-9:01 pm

2 stops22h 01m

$613

Washington, D.C.Bucharest

IAD - OTP

IADOTP

Washington, D.C. Dulles Intl

Wed 8/6

10:20 pm-1:00 am

1 stop19h 40m

Bucharest Otopeni Intl

Wed 9/10

6:00 am-9:01 pm

2 stops22h 01m

$615

Washington, D.C.Bucharest

IAD - OTP

IADOTP

Washington, D.C. Dulles Intl

Mon 5/12

2:25 pm-3:20 pm

2 stops17h 55m

Bucharest Otopeni Intl

Mon 5/26

4:10 pm-4:15 pm

1 stop31h 05m

$617

Washington, D.C.Bucharest

IAD - OTP

IADOTP

Washington, D.C. Dulles Intl

Mon 5/12

8:45 pm-3:20 pm

1 stop11h 35m

Bucharest Otopeni Intl

Mon 5/26

4:10 pm-4:15 pm

1 stop31h 05m

$621

Washington, D.C.Bucharest

IAD - OTP

IADOTP

Washington, D.C. Dulles Intl

Mon 5/12

5:50 pm-12:25 pm

2 stops35h 35m

Bucharest Otopeni Intl

Mon 5/26

1:15 pm-4:09 pm

2 stops57h 54m

$652

Washington, D.C.Bucharest

IAD - OTP

IADOTP

Washington, D.C. Dulles Intl

Mon 4/21

1:30 pm-3:05 pm

1 stop18h 35m

Bucharest Otopeni Intl

Thu 5/1

9:45 pm-11:45 am

1 stop21h 00m

$653

Washington, D.C.Bucharest

IAD - OTP

IADOTP

Washington, D.C. Dulles Intl

Tue 7/8

12:30 pm-12:10 pm

2 stops16h 40m

Bucharest Otopeni Intl

Tue 7/22

1:45 pm-3:35 pm

1 stop32h 50m

$757

Washington, D.C.Bucharest

IAD - OTP

IADOTP

Washington, D.C. Dulles Intl

Sun 5/11

6:10 pm-6:35 pm

2 stops17h 25m

Bucharest Otopeni Intl

Sun 5/25

6:05 am-1:30 pm

2 stops14h 25m

$818

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/10

Showing 1-10 of 22 results
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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 April.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FareScanPrice Accuracy-Trust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star
CheapfaremartPrice Accuracy-Trust 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 Washington, D.C. Dulles Intl Airport-Bucharest Otopeni Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Dulles Intl Airport-Bucharest Otopeni Intl Airport flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 April 4, 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, November 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 $604). Flying from Washington, D.C. Dulles Intl Airport to Bucharest Otopeni Intl Airport in June is currently the most expensive (average of $1,175). 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 April 11, 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 32% on the flight price compared to flying in the morning, which is usually more expensive.

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 April 11, 2025.
Read reviews from past customers who have flown Delta, Austrian Airlines and SWISS from Washington, D.C. to Bucharest. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,910 reviews

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

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
7,910 reviews
Delta
8.0
Very good
7,910 reviews

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

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.
Austrian Airlines
7.6
Good
774 reviews
Delta
8.0
Very good
7,910 reviews

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

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
1,575 reviews
Delta
8.0
Very good
7,910 reviews

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

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
1,428 reviews
Delta
8.0
Very good
7,910 reviews

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

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
8,636 reviews
Delta
8.0
Very good
7,910 reviews

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

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 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.

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

    American Airlines, at $608, 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 British Airways and United Airlines. American Airlines is currently priced 26% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Bucharest Otopeni Intl Airport one-way?

    The cheapest airlines for a one-way flight from Washington, D.C. Dulles Intl Airport to Bucharest Otopeni Intl Airport are Turkish Airlines ($370), Scandinavian Airlines ($378), and Air Canada ($562).

  • 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, November 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 $604). Flying from Washington, D.C. Dulles Intl Airport to Bucharest Otopeni Intl Airport in June is currently the most expensive (average of $1,175). 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 Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles 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 10 airlines flying from Dulles Intl to Otopeni Intl

Discover the top 10 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 April 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$495Average$811FlexibilityNo cancel feeOn-time75%
Turkish AirlinesCheapest$565Average$694FlexibilityNo cancel feeOn-time77%
DeltaCheapest$592Average$1,030FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$599Average$978FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$660Average$906FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$661Average$1,069FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$672Average$1,024FlexibilityNo cancel feeOn-time69%
SWISSCheapest$675Average$936FlexibilityNo cancel feeOn-time79%
Austrian AirlinesCheapest$729Average$1,034FlexibilityNo cancel feeOn-time78%
ITA AirwaysCheapest$892Average$980FlexibilityNo cancel feeOn-time81%

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