HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Otopeni Intl

$440+ Cheap flights from Reagan-National (DCA) 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 2/21. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — OTP
Nov 21 — Nov 281
Fri 11/21
Fri 11/28
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Reagan-National to Otopeni Intl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Reagan-National to Otopeni Intl

Discover tips and strategies to find the most affordable flight options for your journey from Reagan-National (DCA) 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 October 22, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$585
(Air Canada)

One-way from

$440
(American Airlines)

Popular in

June

Cheapest in

September

Average price

$898
Provider with most accurate pricing for Washington, D.C. Reagan-National-Bucharest Otopeni Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. Reagan-National-Bucharest Otopeni Intl flights.
Search Deals
From Washington, D.C. Reagan-National to Bucharest Otopeni Intl
Search Deals
One-way flight from Washington, D.C. Reagan-National to Bucharest Otopeni Intl
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($75 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Find flight deals from Reagan-National to Otopeni Intl

Cheapest flights from Reagan-National to Otopeni Intl
Explore the most affordable flight options available from Reagan-National to Otopeni Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 22, 2025.

This Air Canada deal was found by Cheapflights users on 10/20. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1211:05 amDCA - OTP
2 stops21h 45mAir Canada
Thu 11/275:50 amOTP - DCA
2 stops23h 06mAir Canada
Deal found 10/20$585
This Air Canada deal was found by Cheapflights users on 10/20. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/119:40 amDCA - OTP
2 stops23h 05mAir Canada
Wed 11/266:05 amOTP - DCA
2 stops16h 26mAir Canada
Deal found 10/20$592
This British Airways deal was found by Cheapflights users on 10/19. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/175:45 pmDCA - OTP
2 stops14h 45mBritish Airways
Wed 12/38:05 amOTP - DCA
2 stops19h 53mBritish Airways
Deal found 10/19$603
This United Airlines deal was found by Cheapflights users on 10/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/87:00 pmDCA - OTP
2 stops16h 35mMultiple Airlines
Mon 12/225:55 amOTP - DCA
2 stops16h 37mMultiple Airlines
Deal found 10/20$622
This Air Canada deal was found by Cheapflights users on 10/21. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/2311:05 amDCA - OTP
2 stops20h 00mMultiple Airlines
Sat 12/65:55 amOTP - DCA
2 stops16h 36mMultiple Airlines
Deal found 10/21$633
This Air Canada deal was found by Cheapflights users on 10/20. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1311:05 amDCA - OTP
2 stops21h 45mAir Canada
Wed 11/266:05 amOTP - DCA
2 stops16h 26mAir Canada
Deal found 10/20$635
This FlightHub deal was found by Cheapflights users on 10/21. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1111:05 amDCA - OTP
2 stops21h 40mAir Canada
Tue 11/255:55 amOTP - DCA
2 stops16h 36mAir Canada
Deal found 10/21$648
This British Airways deal was found by Cheapflights users on 10/20. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/43:44 pmDCA - OTP
2 stops16h 01mBritish Airways
Wed 11/128:05 amOTP - DCA
2 stops20h 25mBritish Airways
Deal found 10/20$653
This United Airlines deal was found by Cheapflights users on 10/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/278:00 pmDCA - OTP
2 stops16h 35mUnited Airlines
Mon 11/102:50 pmOTP - DCA
2 stops31h 41mUnited Airlines
Deal found 10/20$657
This Mytrip deal was found by Cheapflights users on 10/20. 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.
Thu 12/44:10 pmDCA - OTP
2 stops16h 00mMultiple Airlines
Thu 12/116:00 amOTP - DCA
3 stops20h 45mMultiple Airlines
Deal found 10/20$669
This United Airlines deal was found by Cheapflights users on 10/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/302:00 pmDCA - OTP
2 stops18h 05mUnited Airlines
Thu 11/65:50 amOTP - DCA
2 stops16h 41mUnited Airlines
Deal found 10/20$700
This Mytrip deal was found by Cheapflights users on 10/21. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/54:10 pmDCA - OTP
2 stops22h 45mMultiple Airlines
Fri 12/126:15 amOTP - DCA
3 stops20h 30mMultiple Airlines
Deal found 10/21$701

Cheapflights Fare Finder

 
Customize your flight search to find flights from Reagan-National 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 October 22, 2025.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Bucharest Otopeni Intl Airport that are best for you.

Fly from

Reagan-National

Fly to

Otopeni Intl

Route

Depart

Return

Price

Washington, D.C.Bucharest

DCA - OTP

DCAOTP

Washington, D.C. Reagan-National

Sun 11/16

11:05 am-3:50 pm

2 stops21h 45m

Bucharest Otopeni Intl

Wed 11/26

6:05 am-10:26 am

2 stops35h 21m

$585

Washington, D.C.Bucharest

DCA - OTP

DCAOTP

Washington, D.C. Reagan-National

Wed 11/12

6:00 am-3:50 pm

2 stops26h 50m

Bucharest Otopeni Intl

Wed 11/26

6:05 am-3:31 pm

2 stops16h 26m

$585

Washington, D.C.Bucharest

DCA - OTP

DCAOTP

Washington, D.C. Reagan-National

Wed 11/12

11:05 am-3:50 pm

2 stops21h 45m

Bucharest Otopeni Intl

Thu 11/27

5:50 am-9:56 pm

2 stops23h 06m

$585

Washington, D.C.Bucharest

DCA - OTP

DCAOTP

Washington, D.C. Reagan-National

Sun 11/16

11:05 am-3:50 pm

2 stops21h 45m

Bucharest Otopeni Intl

Thu 11/27

5:50 am-9:56 pm

2 stops23h 06m

$585

Washington, D.C.Bucharest

DCA - OTP

DCAOTP

Washington, D.C. Reagan-National

Thu 2/12

4:10 pm-7:05 pm

3 stops19h 55m

Bucharest Otopeni Intl

Mon 2/23

9:55 am-9:56 pm

3 stops19h 01m

$592

Washington, D.C.Bucharest

DCA - OTP

DCAOTP

Washington, D.C. Reagan-National

Tue 11/11

9:40 am-3:45 pm

2 stops23h 05m

Bucharest Otopeni Intl

Wed 11/26

6:05 am-3:31 pm

2 stops16h 26m

$592

Washington, D.C.Bucharest

DCA - OTP

DCAOTP

Washington, D.C. Reagan-National

Mon 11/17

5:45 pm-3:30 pm

2 stops14h 45m

Bucharest Otopeni Intl

Wed 12/3

8:05 am-8:58 pm

2 stops19h 53m

$603

Washington, D.C.Bucharest

DCA - OTP

DCAOTP

Washington, D.C. Reagan-National

Wed 3/18

4:10 pm-2:00 pm

2 stops15h 50m

Bucharest Otopeni Intl

Wed 4/1

6:05 am-3:53 pm

2 stops16h 48m

$608

Washington, D.C.Bucharest

DCA - OTP

DCAOTP

Washington, D.C. Reagan-National

Mon 12/8

7:00 pm-6:35 pm

2 stops16h 35m

Bucharest Otopeni Intl

Mon 12/22

5:55 am-3:32 pm

2 stops16h 37m

$622

Washington, D.C.Bucharest

DCA - OTP

DCAOTP

Washington, D.C. Reagan-National

Sat 2/21

3:59 pm-3:05 pm

2 stops16h 06m

Bucharest Otopeni Intl

Sat 3/7

8:05 am-7:15 pm

2 stops18h 10m

$625

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/20

Showing 1-10 of 19 results
1
2

Compare providers for flights from Reagan-National 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 Reagan-National to Otopeni Intl in October.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust 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. Reagan-National 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. Reagan-National 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. Reagan-National 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. Reagan-National 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. Reagan-National 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 Reagan-National to Otopeni Intl

Have a flexible travel schedule? Discover the best time to fly to Otopeni Intl from Reagan-National 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. Reagan-National Airport to Bucharest Otopeni Intl Airport

What is the cheapest time of day to fly from DCA to OTP?

Find hourly flight availability from Reagan-National 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 October 22, 2025.

When flying from Washington, D.C. Reagan-National Airport to Bucharest Otopeni Intl Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 33% versus a flight in the evening.

Related info for your journey

Find useful and relevant information for your journey from Reagan-National 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. Reagan-National Airport to Bucharest Otopeni Intl Airport?

    Airlines like Air Canada fly from Washington, D.C. Reagan-National Airport to Bucharest Otopeni Intl Airport in about 21h 45m. The time it takes to get you to your destination can typically vary by up to . The distance from Washington, D.C. Reagan-National Airport to Bucharest Otopeni Intl Airport is about 4950 mi.

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

    The cheapest airline one-way is American Airlines, with whom users have recently found tickets for as low as $440. However, be on the lookout for offers from British Airways and Air Canada, as they are both options that can get you from Washington, D.C. Reagan-National Airport to Bucharest Otopeni Intl Airport for a low price.

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

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

  • How can I find direct flights from Reagan-National to Otopeni Intl?

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

  • Can I find deals for business class flights from Reagan-National to Otopeni Intl?

    Yes. Cheapflights offers flight deals from Reagan-National 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.

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Reagan-National to Otopeni Intl

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

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.