Otopeni Intl

$297+ 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 7/7. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — OTP
jun. 21 — jun. 281
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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 junio 16, 2025.

Round-trip from

$677
(United Airlines)

One-way from

$297
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$1,094
From Washington, D.C. Dulles Intl to Bucharest Otopeni Intl
One-way flight from Washington, D.C. Dulles Intl to Bucharest Otopeni Intl
Highest demand for flights based on searches. 18% potential increase in price ($185 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($28 potential savings vs. average RT price).
Average for round-trip flights in June 2025

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 junio 16, 2025.

This United Airlines deal was found by Cheapflights users on 6/16. 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.
vie. 8/810:20 pmIAD - OTP
1 stop13h 15mUnited Airlines
vie. 8/226:05 amOTP - IAD
2 stops16h 10mUnited Airlines
Deal found 6/16$677
This FlightHub deal was found by Cheapflights users on 6/14. 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.
jue. 7/311:30 pmIAD - OTP
1 stop23h 55mTurkish Airlines
sáb. 9/69:30 amOTP - IAD
1 stop33h 15mTurkish Airlines
Deal found 6/14$681
This Justfly.com deal was found by Cheapflights users on 6/14. 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.
mié. 8/610:20 pmIAD - OTP
1 stop13h 15mMultiple Airlines
mié. 9/106:00 amOTP - IAD
2 stops17h 18mMultiple Airlines
Deal found 6/14$684
This Expedia deal was found by Cheapflights users on 6/14. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 9/145:22 pmIAD - OTP
2 stops14h 58mAir Canada
mar. 9/306:00 amOTP - IAD
2 stops22h 05mAir Canada
Deal found 6/14$689
This Air France deal was found by Cheapflights users on 6/14. 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.
mié. 7/236:30 pmIAD - OTP
1 stop18h 40mAir France
mié. 8/131:10 pmOTP - IAD
1 stop13h 05mAir France
Deal found 6/14$699
This Delta deal was found by Cheapflights users on 6/16. 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. 8/612:12 pmIAD - OTP
2 stops16h 58mDelta
mié. 9/106:30 amOTP - IAD
2 stops20h 13mDelta
Deal found 6/16$714
This FlightHub deal was found by Cheapflights users on 6/14. 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.
lun. 9/1510:05 pmIAD - OTP
2 stops19h 50mScandinavian Airlines
lun. 9/299:50 pmOTP - IAD
1 stop29h 09mScandinavian Airlines
Deal found 6/14$727
This Gotogate deal was found by Cheapflights users on 6/15. 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.
vie. 12/1211:10 pmIAD - OTP
1 stop18h 55mLufthansa
vie. 12/265:55 amOTP - IAD
1 stop16h 55mLufthansa
Deal found 6/15$732
This SWISS deal was found by Cheapflights users on 6/14. 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.
mar. 7/298:45 pmIAD - OTP
1 stop21h 20mSWISS
mar. 8/54:10 pmOTP - IAD
1 stop31h 05mSWISS
Deal found 6/14$750
This Booking.com deal was found by Cheapflights users on 6/15. 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.
lun. 8/41:19 pmIAD - OTP
2 stops29h 06mBritish Airways
lun. 8/188:25 amOTP - IAD
1 stop18h 45mBritish Airways
Deal found 6/15$751
This Ovago deal was found by Cheapflights users on 6/15. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 7/124:30 pmIAD - OTP
1 stop16h 35mITA Airways
dom. 7/2010:50 amOTP - IAD
1 stop34h 50mITA Airways
Deal found 6/15$924

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 junio 16, 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

vie. 8/8

10:20 pm-6:35 pm

1 stop13h 15m

Bucharest Otopeni Intl

vie. 8/22

6:05 am-3:15 pm

2 stops16h 10m

$677

Washington, D.C.Bucharest

IAD - OTP

IADOTP

Washington, D.C. Dulles Intl

jue. 7/31

1:30 pm-8:25 pm

1 stop23h 55m

Bucharest Otopeni Intl

sáb. 9/6

9:30 am-11:45 am

1 stop33h 15m

$681

Washington, D.C.Bucharest

IAD - OTP

IADOTP

Washington, D.C. Dulles Intl

mié. 8/6

10:20 pm-6:35 pm

1 stop13h 15m

Bucharest Otopeni Intl

mié. 9/10

6:00 am-4:18 pm

2 stops17h 18m

$684

Washington, D.C.Bucharest

IAD - OTP

IADOTP

Washington, D.C. Dulles Intl

dom. 9/14

5:22 pm-3:20 pm

2 stops14h 58m

Bucharest Otopeni Intl

mar. 9/30

6:00 am-9:05 pm

2 stops22h 05m

$689

Washington, D.C.Bucharest

IAD - OTP

IADOTP

Washington, D.C. Dulles Intl

mié. 7/23

6:30 pm-8:10 pm

1 stop18h 40m

Bucharest Otopeni Intl

mié. 8/13

1:10 pm-7:15 pm

1 stop13h 05m

$699

Washington, D.C.Bucharest

IAD - OTP

IADOTP

Washington, D.C. Dulles Intl

mié. 8/6

12:12 pm-12:10 pm

2 stops16h 58m

Bucharest Otopeni Intl

mié. 9/10

6:30 am-7:43 pm

2 stops20h 13m

$714

Washington, D.C.Bucharest

IAD - OTP

IADOTP

Washington, D.C. Dulles Intl

lun. 9/15

10:05 pm-12:55 am

2 stops19h 50m

Bucharest Otopeni Intl

lun. 9/29

9:50 pm-7:59 pm

1 stop29h 09m

$727

Washington, D.C.Bucharest

IAD - OTP

IADOTP

Washington, D.C. Dulles Intl

vie. 12/12

11:10 pm-1:05 am

1 stop18h 55m

Bucharest Otopeni Intl

vie. 12/26

5:55 am-3:50 pm

1 stop16h 55m

$732

Washington, D.C.Bucharest

IAD - OTP

IADOTP

Washington, D.C. Dulles Intl

mar. 7/29

8:45 pm-1:05 am

1 stop21h 20m

Bucharest Otopeni Intl

mar. 8/5

4:10 pm-4:15 pm

1 stop31h 05m

$750

Washington, D.C.Bucharest

IAD - OTP

IADOTP

Washington, D.C. Dulles Intl

lun. 8/4

1:19 pm-1:25 am

2 stops29h 06m

Bucharest Otopeni Intl

lun. 8/18

8:25 am-8:10 pm

1 stop18h 45m

$751

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/15

Showing 1-10 of 23 results
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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 June 13, 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 $1,146). 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 junio 16, 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 junio 16, 2025.
Read reviews from past customers who have flown Delta, Austrian Airlines and Air France 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.
8.0
Very good

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good
8.0
Very good

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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?

    United Airlines, at $677, 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 Turkish Airlines and Air Canada. United Airlines is currently priced 15% 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 ($388), ITA Airways ($485), and Austrian Airlines ($582).

  • 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 $1,146). 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.

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 junio 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$446Average$628FlexibilityNo cancel feeOn-time77%
KLMCheapest$495Average$760FlexibilityNo cancel feeOn-time75%
SWISSCheapest$557Average$819FlexibilityNo cancel feeOn-time79%
Turkish AirlinesCheapest$570Average$697FlexibilityNo cancel feeOn-time77%
DeltaCheapest$570Average$881FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$599Average$886FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$638Average$938FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$650Average$833FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$672Average$939FlexibilityNo cancel feeOn-time69%

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