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Otopeni Intl

$381+ 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 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — OTP
Apr 7 — Apr 141
Mon 4/7
Mon 4/14
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 April 2, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$516
(Scandinavian Airlines)

One-way from

$381
(Trip.com)

Popular in

December

Cheapest in

March

Average price

$772
Provider with most accurate pricing for Seattle/Tacoma Intl-Bucharest (BUH) flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Bucharest (BUH) flights.
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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. 15% potential increase in price ($188 potential increase over avg. RT price).
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Cheapest flight prices on average. 10% potential price decrease ($93 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 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 April 2, 2025.

This Scandinavian Airlines deal was found by Cheapflights users on 3/31. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/262:00 pmSEA - OTP
2 stops20h 00mScandinavian Airlines
Sun 8/319:25 pmOTP - SEA
1 stop26h 25mScandinavian Airlines
Deal found 3/31$516
This Mytrip deal was found by Cheapflights users on 4/1. 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 5/133:45 pmSEA - OTP
2 stops22h 55mMultiple Airlines
Wed 5/217:50 pmOTP - SEA
2 stops34h 50mMultiple Airlines
Deal found 4/1$677
This Booking.com deal was found by Cheapflights users on 4/2. 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.
Wed 5/1410:00 amPDX - OTP
2 stops20h 50mAir Canada
Fri 10/106:30 amOTP - PDX
2 stops26h 26mAir Canada
Deal found 4/2$683
This Gotogate deal was found by Cheapflights users on 4/1. 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.
Mon 5/126:15 amPDX - OTP
2 stops26h 20mMultiple Airlines
Wed 5/216:30 amOTP - PDX
2 stops22h 15mMultiple Airlines
Deal found 4/1$703
This Expedia deal was found by Cheapflights users on 4/1. 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.
Mon 5/127:25 pmPDX - OTP
1 stop20h 00mBritish Airways
Wed 5/218:25 amOTP - PDX
1 stop19h 10mBritish Airways
Deal found 4/1$708
This American Airlines deal was found by Cheapflights users on 4/1. 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.
Tue 5/131:30 pmSEA - OTP
1 stop25h 55mAmerican Airlines
Wed 5/218:25 amOTP - SEA
2 stops23h 25mAmerican Airlines
Deal found 4/1$717
This Delta deal was found by Cheapflights users on 4/1. 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.
Mon 4/286:20 amSEA - OTP
2 stops19h 50mDelta
Thu 5/87:00 amOTP - SEA
1 stop14h 40mDelta
Deal found 4/1$723
This oojo deal was found by Cheapflights users on 3/31. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/287:10 pmSEA - OTP
1 stop27h 00mTurkish Airlines
Thu 5/83:55 pmOTP - SEA
1 stop35h 20mTurkish Airlines
Deal found 3/31$727
This KLM deal was found by Cheapflights users on 4/1. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1211:25 amPDX - OTP
2 stops18h 00mKLM
Wed 5/217:00 amOTP - PDX
1 stop14h 20mKLM
Deal found 4/1$728
This oojo deal was found by Cheapflights users on 3/31. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/301:35 pmSEA - OTP
2 stops20h 45mBritish Airways
Wed 5/78:25 amOTP - SEA
2 stops23h 25mBritish Airways
Deal found 3/31$774
This Delta deal was found by Cheapflights users on 4/1. 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.
Mon 4/712:59 amPDX - OTP
2 stops25h 11mDelta
Mon 4/287:00 amOTP - PDX
1 stop14h 20mDelta
Deal found 4/1$783
This United deal was found by Cheapflights users on 4/1. 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.
Thu 7/317:04 amPDX - OTP
2 stops25h 31mUnited Airlines
Thu 8/286:05 amOTP - PDX
2 stops26h 25mUnited Airlines
Deal found 4/1$796

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 April 2, 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

Tue 8/26

2:00 pm-8:00 pm

2 stops20h 00m

Bucharest Otopeni Intl

Sun 8/31

9:25 pm-1:50 pm

1 stop26h 25m

$516

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Tue 5/13

3:45 pm-12:40 am

2 stops22h 55m

Bucharest Otopeni Intl

Wed 5/21

7:50 pm-8:40 pm

2 stops34h 50m

$677

PortlandBucharest

PDX - OTP

PDXOTP

Portland

Wed 5/14

10:00 am-4:50 pm

2 stops20h 50m

Bucharest Otopeni Intl

Fri 10/10

6:30 am-10:56 pm

2 stops26h 26m

$683

PortlandBucharest

PDX - OTP

PDXOTP

Portland

Mon 5/12

6:15 am-6:35 pm

2 stops26h 20m

Bucharest Otopeni Intl

Wed 5/21

6:30 am-6:45 pm

2 stops22h 15m

$703

PortlandBucharest

PDX - OTP

PDXOTP

Portland

Mon 5/12

7:25 pm-1:25 am

1 stop20h 00m

Bucharest Otopeni Intl

Wed 5/21

8:25 am-5:35 pm

1 stop19h 10m

$708

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Tue 5/13

1:30 pm-1:25 am

1 stop25h 55m

Bucharest Otopeni Intl

Wed 5/21

8:25 am-9:50 pm

2 stops23h 25m

$717

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Mon 4/28

6:20 am-12:10 pm

2 stops19h 50m

Bucharest Otopeni Intl

Thu 5/8

7:00 am-11:40 am

1 stop14h 40m

$723

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Mon 4/28

7:10 pm-8:10 am

1 stop27h 00m

Bucharest Otopeni Intl

Thu 5/8

3:55 pm-5:15 pm

1 stop35h 20m

$727

PortlandBucharest

PDX - OTP

PDXOTP

Portland

Mon 5/12

11:25 am-3:25 pm

2 stops18h 00m

Bucharest Otopeni Intl

Wed 5/21

7:00 am-11:20 am

1 stop14h 20m

$728

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Wed 4/30

1:35 pm-8:20 pm

2 stops20h 45m

Bucharest Otopeni Intl

Wed 5/7

8:25 am-9:50 pm

2 stops23h 25m

$774

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

Showing 1-10 of 31 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 $1,175). 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 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 April 2, 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.

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 2, 2025.
Read reviews from past customers who have flown Delta, KLM and SWISS from Washington to Bucharest. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,899 reviews

Crew

8.5

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

8.0

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
7,899 reviews
Delta
8.0
Very good
7,899 reviews

Crew

8.5

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

8.0

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.
KLM
7.8
Good
1,323 reviews
Delta
8.0
Very good
7,899 reviews

Crew

8.5

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

8.0

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
1,572 reviews
Delta
8.0
Very good
7,899 reviews

Crew

8.5

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

8.0

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
1,427 reviews
Delta
8.0
Very good
7,899 reviews

Crew

8.5

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

8.0

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
8,615 reviews
Delta
8.0
Very good
7,899 reviews

Crew

8.5

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

8.0

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 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.

  • What are the cheapest airlines to fly from State of Washington to Bucharest Otopeni Intl Airport one-way?

    One-way options have recently been found by users for as low as $556 on American Airlines. Other airlines that offer cheap prices include Air France from $629 and United Airlines from $631 one-way.

  • 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 $1,175). 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

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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 7 airlines flying from Washington to Otopeni Intl

Discover the top 7 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 April 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$607Average$809FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$624Average$1,121FlexibilityNo cancel feeOn-time69%
Air FranceCheapest$633Average$1,131FlexibilityNo cancel feeOn-time77%
Turkish AirlinesCheapest$681Average$1,001FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$702Average$1,228FlexibilityNo cancel feeOn-time76%
DeltaCheapest$713Average$1,190FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$724Average$1,064FlexibilityNo cancel feeOn-time75%

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