Washington, D.C.

$373+ Cheap flights from Otopeni Intl (OTP) to Washington, D.C. (WAS)

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 9/10. Fares are subject to change and may not be available on all flights or dates of travel.
OTP — WAS
Aug 3 — Aug 101
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Cheapflights Tip: The best prices from Bucharest Otopeni Intl to Washington, D.C. are usually found in March or February, booked 14 days in advance, depart on a Thursday or Wednesday and return on a Tuesday

Cheap flight deals from Otopeni Intl to Washington, D.C.

Discover tips and strategies to find the most affordable flight options for your journey from Otopeni Intl (OTP) to Washington, D.C. (WAS). 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 July 29, 2025.

Round-trip from

$466
(Lufthansa)

One-way from

$373
(Kiwi.com)

Popular in

January

Cheapest in

March

Average price

$609
From Bucharest Otopeni Intl to Washington, D.C. (WAS)
One-way flight from Bucharest Otopeni Intl to Washington, D.C. (WAS)
Highest demand for flights based on searches. 5% potential increase in price ($39 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($15 potential savings vs. average RT price).
Average for round-trip flights in July 2025

Find flight deals from Otopeni Intl to Washington, D.C.

Cheapest flights from Otopeni Intl to Washington, D.C.
Explore the most affordable flight options available from Otopeni Intl to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

This Lufthansa deal was found by Cheapflights users on 7/27. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/121:55 pmOTP - IAD
1 stop30h 35mLufthansa
Fri 9/2610:15 pmIAD - OTP
1 stop18h 25mLufthansa
Deal found 7/27$466
This Mytrip deal was found by Cheapflights users on 7/28. 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 10/248:25 amOTP - BWI
1 stop18h 20mBritish Airways
Sun 11/168:35 pmBWI - OTP
1 stop20h 10mBritish Airways
Deal found 7/28$466
This Austrian Airlines deal was found by Cheapflights users on 7/28. 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.
Fri 10/246:35 amOTP - IAD
1 stop15h 00mAustrian Airlines
Sun 11/165:15 pmIAD - OTP
2 stops42h 10mAustrian Airlines
Deal found 7/28$469
This SWISS deal was found by Cheapflights users on 7/29. 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.
Fri 9/126:30 amOTP - IAD
2 stops14h 55mSWISS
Fri 9/268:45 pmIAD - OTP
1 stop21h 20mSWISS
Deal found 7/29$479
This Lufthansa deal was found by Cheapflights users on 7/29. 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.
Wed 12/35:55 amOTP - IAD
1 stop16h 55mMultiple Airlines
Wed 7/15:25 pmIAD - OTP
1 stop14h 55mMultiple Airlines
Deal found 7/29$480
This United Airlines deal was found by Cheapflights users on 7/28. 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.
Fri 9/121:55 pmOTP - IAD
2 stops17h 37mUnited Airlines
Fri 9/2610:15 pmIAD - OTP
1 stop18h 25mUnited Airlines
Deal found 7/28$482
This Air Canada deal was found by Cheapflights users on 7/29. 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 12/25:55 amOTP - DCA
2 stops23h 40mAir Canada
Tue 6/309:40 amDCA - OTP
2 stops20h 25mAir Canada
Deal found 7/29$483
This Mytrip deal was found by Cheapflights users on 7/29. 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 10/218:25 amOTP - DCA
2 stops18h 34mBritish Airways
Wed 10/295:35 pmDCA - OTP
2 stops16h 10mBritish Airways
Deal found 7/29$485
This United Airlines deal was found by Cheapflights users on 7/28. 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.
Wed 8/276:05 amOTP - BWI
2 stops34h 50mUnited Airlines
Wed 9/35:30 pmBWI - OTP
2 stops47h 10mUnited Airlines
Deal found 7/28$495
This British Airways deal was found by Cheapflights users on 7/26. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/138:25 amOTP - IAD
1 stop16h 05mBritish Airways
Mon 8/2510:40 pmIAD - OTP
1 stop19h 45mBritish Airways
Deal found 7/26$512
This Delta deal was found by Cheapflights users on 7/29. 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.
Fri 9/127:00 amOTP - DCA
2 stops19h 44mDelta
Fri 9/2611:10 amDCA - OTP
2 stops18h 50mDelta
Deal found 7/29$512
This Air Canada deal was found by Cheapflights users on 7/29. 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 12/35:55 amOTP - IAD
2 stops17h 26mAir Canada
Wed 7/19:55 amIAD - OTP
2 stops20h 10mAir Canada
Deal found 7/29$519

Cheapflights Fare Finder

 
Customize your flight search to find flights from Otopeni Intl to Washington, D.C. 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 July 29, 2025.
Use the filters below to find and compare flights from Bucharest Otopeni Intl Airport to Washington, D.C. that are best for you.

Fly from

Otopeni Intl

Fly to

Washington, D.C.

Route

Depart

Return

Price

BucharestWashington, D.C.

OTP - IAD

OTPIAD

Bucharest Otopeni Intl

Fri 9/12

1:55 pm-1:30 pm

1 stop30h 35m

Washington, D.C. Dulles Intl

Fri 9/26

10:15 pm-11:40 pm

1 stop18h 25m

$466

BucharestBaltimore

OTP - BWI

OTPBWI

Bucharest Otopeni Intl

Fri 10/24

8:25 am-7:45 pm

1 stop18h 20m

Baltimore/Washington

Sun 11/16

8:35 pm-11:45 pm

1 stop20h 10m

$466

BucharestWashington, D.C.

OTP - IAD

OTPIAD

Bucharest Otopeni Intl

Fri 10/24

6:35 am-2:35 pm

1 stop15h 00m

Washington, D.C. Dulles Intl

Sun 11/16

5:15 pm-6:25 pm

2 stops42h 10m

$469

BucharestWashington, D.C.

OTP - IAD

OTPIAD

Bucharest Otopeni Intl

Fri 9/12

6:30 am-2:25 pm

2 stops14h 55m

Washington, D.C. Dulles Intl

Fri 9/26

8:45 pm-1:05 am

1 stop21h 20m

$479

BucharestWashington, D.C.

OTP - IAD

OTPIAD

Bucharest Otopeni Intl

Sat 10/4

8:25 am-5:35 pm

1 stop16h 10m

Washington, D.C. Dulles Intl

Sat 10/18

8:25 pm-12:30 am

2 stops21h 05m

$481

BucharestWashington, D.C.

OTP - IAD

OTPIAD

Bucharest Otopeni Intl

Fri 9/12

1:55 pm-12:32 am

2 stops17h 37m

Washington, D.C. Dulles Intl

Fri 9/26

10:15 pm-11:40 pm

1 stop18h 25m

$482

BucharestWashington, D.C.

OTP - DCA

OTPDCA

Bucharest Otopeni Intl

Tue 10/21

8:25 am-7:59 pm

2 stops18h 34m

Washington, D.C. Reagan-National

Wed 10/29

5:35 pm-3:45 pm

2 stops16h 10m

$485

BucharestBaltimore

OTP - BWI

OTPBWI

Bucharest Otopeni Intl

Wed 8/27

6:05 am-9:55 am

2 stops34h 50m

Baltimore/Washington

Wed 9/3

5:30 pm-11:40 pm

2 stops47h 10m

$495

BucharestWashington, D.C.

OTP - DCA

OTPDCA

Bucharest Otopeni Intl

Fri 9/12

7:00 am-7:44 pm

2 stops19h 44m

Washington, D.C. Reagan-National

Fri 9/26

11:10 am-1:00 pm

2 stops18h 50m

$512

BucharestWashington, D.C.

OTP - IAD

OTPIAD

Bucharest Otopeni Intl

Sat 10/4

8:25 am-6:47 pm

2 stops17h 22m

Washington, D.C. Dulles Intl

Sat 10/18

8:25 pm-12:30 am

2 stops21h 05m

$524

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 38 results
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Best time to book a flight from Otopeni Intl to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Otopeni 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 Bucharest Otopeni Intl Airport to Washington, D.C.

How far ahead should I book a flight from Bucharest Otopeni Intl Airport to Washington, D.C.?

Use this chart to determine the optimal time to book a round-trip flight from Otopeni Intl to Washington, D.C.. Price data was last updated on July 25, 2025.

The best time to book flights from Bucharest Otopeni Intl Airport to Washington, D.C. is 14 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 Bucharest Otopeni Intl Airport to Washington, D.C.?

Currently, August is the cheapest month in which you can book a flight from Bucharest Otopeni Intl Airport to Washington, D.C. (average of $241). Flying from Bucharest Otopeni Intl Airport to Washington, D.C. in March is currently the most expensive (average of $290). 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 OTP to WAS?

Find hourly flight availability from Otopeni Intl to Washington, D.C.. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 29, 2025.

When flying from Bucharest Otopeni Intl Airport to Washington, D.C., 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 11% versus a flight at noon.

What’s the top layover airport for flights from Bucharest Otopeni Intl Airport to Washington, D.C.?

Share of 1-stop round-trip flights from Bucharest Otopeni Intl Airport to Washington, D.C. chosen by Cheapflights users in the past 12 months, using the same layover each way.

Vienna (VIE) – chosen by Cheapflights users on 33% of 1-stop itineraries from Bucharest Otopeni Intl Airport to Washington, D.C. on Cheapflights.

What’s the cheapest layover airport for flights from Bucharest Otopeni Intl Airport to Washington, D.C.?

Average round-trip fare for 1-stop flights from Bucharest Otopeni Intl Airport to Washington, D.C., chosen by Cheapflights users in the past 12 months, with the same layover each way.

Frankfurt am Main (FRA) is the most affordable 1-stop option, with an average round-trip price of $418.

What’s the fastest layover option from Bucharest Otopeni Intl Airport to Washington, D.C.?

Shortest average travel time for 1-stop one-way flights from Bucharest Otopeni Intl Airport to Washington, D.C., based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Frankfurt am Main (FRA) have the shortest average one-way travel time for 1-stop routes: 10h 25m.

Which airport typically offers the quickest layover for flights from Bucharest Otopeni Intl Airport to Washington, D.C.?

Average layover duration for 1-stop one-way flights from Bucharest Otopeni Intl Airport to Washington, D.C., chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Frankfurt am Main (FRA) offer the fastest connection on this route, with an average layover time of 2h 03m.

Reviews of airlines servicing Washington, D.C.

Get insights into the airlines that provide service to Washington, D.C.. 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 Washington, D.C.. Reviews last updated July 29, 2025.
Read reviews from past customers who have flown Emirates, Delta, and LOT from Bucharest Otopeni Intl Airport to Washington, D.C.. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Food

7.9

Crew

8.3

Boarding

8.1

Overall

8.1

Entertainment

8.2

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jun 2025

ATH - EWR

Best flight I taken. Airline stewards were very attentive and creative a very comfortable environment. Food was plentiful, gave a variety for each meal and delicious.

Food

7.9

Crew

8.3

Boarding

8.1

Overall

8.1

Entertainment

8.2

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jun 2025

ATH - EWR

Best flight I taken. Airline stewards were very attentive and creative a very comfortable environment. Food was plentiful, gave a variety for each meal and delicious.
8.0
Very good

Food

7.9

Crew

8.3

Boarding

8.1

Overall

8.1

Entertainment

8.2

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jun 2025

ATH - EWR

Best flight I taken. Airline stewards were very attentive and creative a very comfortable environment. Food was plentiful, gave a variety for each meal and delicious.

Food

7.9

Crew

8.3

Boarding

8.1

Overall

8.1

Entertainment

8.2

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jun 2025

ATH - EWR

Best flight I taken. Airline stewards were very attentive and creative a very comfortable environment. Food was plentiful, gave a variety for each meal and delicious.

Food

7.9

Crew

8.3

Boarding

8.1

Overall

8.1

Entertainment

8.2

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jun 2025

ATH - EWR

Best flight I taken. Airline stewards were very attentive and creative a very comfortable environment. Food was plentiful, gave a variety for each meal and delicious.

Food

7.9

Crew

8.3

Boarding

8.1

Overall

8.1

Entertainment

8.2

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jun 2025

ATH - EWR

Best flight I taken. Airline stewards were very attentive and creative a very comfortable environment. Food was plentiful, gave a variety for each meal and delicious.

Related info for your journey

Find useful and relevant information for your journey from Otopeni Intl to Washington, D.C.. 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 Bucharest Otopeni Intl Airport to Washington, D.C. round-trip?

    Flying on Lufthansa is currently your cheapest option to Washington, D.C., with prices starting at $466. Additional round-trip tickets that might be worth considering are offered by British Airways and Austrian Airlines, with the lowest prices starting at $466 and $469, respectively. Users have found that Lufthansa is 30% cheaper than the other options available to this destination.

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

    To fly one-way, consider booking your trip with Scandinavian Airlines, which is currently one of the cheapest options available, starting at $480. Lufthansa flights start at $496 while deals on SWISS start at $506 one-way.

  • What are the most popular routes from Bucharest Otopeni Intl Airport to Washington, D.C.?

  • Can I find deals for flights from Otopeni Intl to Washington, D.C. that include hotel bookings?

    Yes. In addition to deals on Otopeni Intl to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Otopeni Intl to Washington, D.C.?

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

  • Can I find deals for business class flights from Otopeni Intl to Washington, D.C.?

    Yes. Cheapflights offers flight deals from Otopeni Intl to Washington, D.C. 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 Bucharest Otopeni Intl Airport to Washington, D.C.?

    Currently, August is the cheapest month in which you can book a flight from Bucharest Otopeni Intl Airport to Washington, D.C. (average of $241). Flying from Bucharest Otopeni Intl Airport to Washington, D.C. in March is currently the most expensive (average of $290). 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.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Woodbridge
Arlington
Alexandria
Tysons
Silver Spring
Fredericksburg
Gaithersburg
Easton
Towson
Linthicum Heights
Fairfax
Manassas
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National Harbor
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Alternative routes for Otopeni Intl to Washington, D.C.

See prices for flight routes from nearby airports that may be better suited for you.

Top 7 airlines flying from Otopeni Intl to Washington, D.C.

Discover the top 7 airlines that operate flights from Otopeni Intl to Washington, D.C.. 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 July 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$418Average$695FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$461Average$622FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$489Average$791FlexibilityNo cancel feeOn-time76%
KLMCheapest$514Average$737FlexibilityNo cancel feeOn-time75%
Austrian AirlinesCheapest$550Average$641FlexibilityNo cancel feeOn-time78%
Turkish AirlinesCheapest$559Average$619FlexibilityNo cancel feeOn-time77%
Air FranceCheapest$597Average$779FlexibilityNo cancel feeOn-time77%

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