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Otopeni Intl

$443+ Cheap flights from Washington 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 10/27. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — OTP
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheap flight deals from Washington to Otopeni Intl

Keep the following information in mind while searching for Washington to Otopeni Intl flight deals. Data was last updated September 15, 2025.

Round-trip from

$531
(Gotogate)

One-way from

$443
(British Airways)

Popular in

December

Cheapest in

September

Average price

$728
From Washington to Bucharest Otopeni Intl
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One-way flight from Washington to Bucharest Otopeni Intl
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Highest demand for flights based on searches. 21% potential increase in price ($254 potential increase over avg. RT price).
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Cheapest flight prices on average. 11% potential price decrease ($99 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Washington to Otopeni Intl

Cheapest flights from Washington to Otopeni Intl
Explore the most affordable flight options available from Washington to Otopeni Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

This Gotogate deal was found by Cheapflights users on 9/14. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/192:55 pmSEA - OTP
2 stops17h 40mMultiple Airlines
Tue 11/45:55 amOTP - SEA
1 stop16h 15mMultiple Airlines
Deal found 9/14$531
This British Airways deal was found by Cheapflights users on 9/13. 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 10/277:50 pmSEA - OTP
1 stop18h 10mBritish Airways
Fri 11/78:00 amOTP - SEA
1 stop18h 55mBritish Airways
Deal found 9/13$542
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/264:10 pmSEA - OTP
1 stop17h 25mLufthansa
Tue 11/45:55 amOTP - SEA
1 stop16h 15mLufthansa
Deal found 9/13$544
This Gotogate deal was found by Cheapflights users on 9/14. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/196:50 pmSEA - OTP
1 stop13h 45mLufthansa
Tue 11/45:55 amOTP - SEA
1 stop16h 15mLufthansa
Deal found 9/14$551
This Cheapflightsfares deal was found by Cheapflights users on 9/13. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/287:50 pmSEA - OTP
1 stop18h 05mBritish Airways
Thu 11/68:00 amOTP - SEA
1 stop18h 55mBritish Airways
Deal found 9/13$552
This British Airways deal was found by Cheapflights users on 9/14. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/125:45 pmPDX - OTP
1 stop36h 00mBritish Airways
Wed 11/198:05 amOTP - PDX
1 stop17h 50mBritish Airways
Deal found 9/14$553
This Cheapflightsfares deal was found by Cheapflights users on 9/14. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/287:00 amSEA - OTP
2 stops26h 35mLufthansa
Thu 11/65:50 amOTP - SEA
1 stop16h 20mLufthansa
Deal found 9/14$555
This British Airways deal was found by Cheapflights users on 9/14. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/276:45 pmPDX - OTP
1 stop19h 15mBritish Airways
Wed 11/128:05 amOTP - PDX
1 stop17h 50mBritish Airways
Deal found 9/14$555
This Lufthansa deal was found by Cheapflights users on 9/13. 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 10/294:10 pmSEA - OTP
1 stop23h 55mLufthansa
Thu 11/65:50 amOTP - SEA
1 stop16h 20mLufthansa
Deal found 9/13$556
This United deal was found by Cheapflights users on 9/14. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/277:30 amPDX - OTP
2 stops26h 05mMultiple Airlines
Wed 11/126:05 amOTP - PDX
2 stops22h 25mMultiple Airlines
Deal found 9/14$557
This Air Canada deal was found by Cheapflights users on 9/13. 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 10/288:00 pmSEA - OTP
2 stops37h 40mAir Canada
Thu 11/65:50 amOTP - SEA
2 stops26h 16mAir Canada
Deal found 9/13$560
This United Airlines deal was found by Cheapflights users on 9/13. 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.
Tue 10/289:25 amSEA - OTP
2 stops24h 00mUnited Airlines
Tue 11/45:55 amOTP - SEA
1 stop16h 15mUnited Airlines
Deal found 9/13$561

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington 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 September 15, 2025.
Use the filters below to find and compare flights from Washington to Bucharest Otopeni Intl Airport that are best for you.

Fly from

Washington

Fly to

Otopeni Intl

Route

Depart

Return

Price

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Mon 10/27

7:50 pm-11:00 pm

1 stop18h 10m

Bucharest Otopeni Intl

Wed 11/5

3:50 pm-4:55 pm

1 stop35h 05m

$542

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Tue 10/28

2:25 pm-2:45 pm

1 stop15h 20m

Bucharest Otopeni Intl

Thu 11/6

4:35 pm-4:55 pm

1 stop34h 20m

$542

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Mon 10/27

7:50 pm-11:00 pm

1 stop18h 10m

Bucharest Otopeni Intl

Mon 11/3

4:00 pm-11:30 am

1 stop29h 30m

$542

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Tue 10/28

2:25 pm-2:45 pm

1 stop15h 20m

Bucharest Otopeni Intl

Mon 11/3

4:00 pm-11:30 am

1 stop29h 30m

$542

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Mon 3/2

6:50 pm-11:00 pm

1 stop18h 10m

Bucharest Otopeni Intl

Mon 3/9

4:00 pm-12:30 pm

1 stop29h 30m

$553

PortlandBucharest

PDX - OTP

PDXOTP

Portland

Wed 11/12

5:45 pm-11:30 pm

1 stop19h 45m

Bucharest Otopeni Intl

Wed 11/19

8:05 am-3:55 pm

1 stop17h 50m

$553

PortlandBucharest

PDX - OTP

PDXOTP

Portland

Mon 10/27

6:45 pm-11:00 pm

1 stop19h 15m

Bucharest Otopeni Intl

Wed 11/12

8:05 am-3:55 pm

1 stop17h 50m

$555

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Wed 10/29

4:10 pm-1:05 am

1 stop23h 55m

Bucharest Otopeni Intl

Thu 11/6

5:50 am-12:10 pm

1 stop16h 20m

$556

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Tue 10/28

8:00 pm-6:40 pm

2 stops37h 40m

Bucharest Otopeni Intl

Thu 11/6

5:50 am-12:10 pm

1 stop16h 20m

$560

PortlandBucharest

PDX - OTP

PDXOTP

Portland

Fri 3/6

5:45 pm-11:25 pm

1 stop19h 40m

Bucharest Otopeni Intl

Tue 3/10

4:40 pm-4:55 pm

1 stop33h 15m

$603

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

Showing 1-10 of 23 results
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Best time to book a flight from Washington to Otopeni Intl

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

What is the cheapest month to book a flight from State of Washington to Bucharest Otopeni Intl Airport?

Currently, November is the cheapest month in which you can book a flight from State of Washington to Bucharest Otopeni Intl Airport (average of $604). Flying from State of Washington to Bucharest Otopeni Intl Airport in June is currently the most expensive (average of $1,130). 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 WA to OTP?

Find hourly flight availability from Washington 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 September 15, 2025.

When flying from State of Washington to Bucharest Otopeni Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Related info for your journey

Find useful and relevant information for your journey from Washington 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 State of Washington to Bucharest Otopeni Intl Airport?

    A quick flight from State of Washington to Bucharest Otopeni Intl Airport can take about 18h 10m. British Airways provides one of the quickest options available for as low as $542. There are 5791 mi between State of Washington and Bucharest Otopeni Intl Airport.

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

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

  • How can I find direct flights from Washington to Otopeni Intl?

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

  • Can I find deals for business class flights from Washington to Otopeni Intl?

    Yes. Cheapflights offers flight deals from Washington 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 State of Washington to Bucharest Otopeni Intl Airport?

    Currently, November is the cheapest month in which you can book a flight from State of Washington to Bucharest Otopeni Intl Airport (average of $604). Flying from State of Washington to Bucharest Otopeni Intl Airport in June is currently the most expensive (average of $1,130). 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 Washington to Otopeni Intl

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Washington to Otopeni Intl

Discover the top 6 airlines that operate flights from Washington 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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$585Average$1,003FlexibilityNo cancel feeOn-time76%
Turkish AirlinesCheapest$598Average$872FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$624Average$1,121FlexibilityNo cancel feeOn-time69%
DeltaCheapest$684Average$921FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$699Average$749FlexibilityNo cancel feeOn-time77%
KLMCheapest$705Average$932FlexibilityNo cancel feeOn-time75%

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