Otopeni Intl

$318+ Cheap flights from Seattle (SEA) 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 8/21. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — OTP
Apr 10 — Apr 171
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Cheap flight deals from Seattle to Otopeni Intl

Cheapest flights from Seattle to Otopeni Intl
Explore the most affordable flight options available from Seattle to Otopeni Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 11, 2026.

This Gotogate deal was found by Cheapflights users on 3/7. 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 11/98:10 am
SEA
-
OTP
2 stops24h 25m
Multiple Airlines
Thu 11/196:05 am
OTP
-
SEA
1 stop16h 05m
Multiple Airlines
Deal found 3/7$584
This FlightHub deal was found by Cheapflights users on 3/10. 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.
Wed 10/147:10 pm
SEA
-
OTP
1 stop15h 05m
Turkish Airlines
Wed 10/2810:10 am
OTP
-
SEA
1 stop16h 55m
Turkish Airlines
Deal found 3/10$599
This Air France deal was found by Cheapflights users on 3/7. 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.
Sun 10/181:30 pm
SEA
-
OTP
1 stop23h 05m
Multiple Airlines
Mon 11/234:50 pm
OTP
-
SEA
1 stop29h 00m
Multiple Airlines
Deal found 3/7$600
This FlightHub deal was found by Cheapflights users on 3/6. 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 10/133:00 pm
SEA
-
OTP
2 stops17h 35m
Multiple Airlines
Fri 11/66:05 am
OTP
-
SEA
1 stop16h 05m
Multiple Airlines
Deal found 3/6$602
This British Airways deal was found by Cheapflights users on 3/9. 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 12/11:25 pm
SEA
-
OTP
1 stop15h 20m
British Airways
Thu 12/39:00 pm
OTP
-
SEA
1 stop24h 30m
British Airways
Deal found 3/9$605
This Delta deal was found by Cheapflights users on 3/7. 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.
Sat 10/1710:00 pm
SEA
-
OTP
2 stops29h 00m
Delta
Thu 11/266:00 am
OTP
-
SEA
1 stop15h 50m
Delta
Deal found 3/7$609
This oojo deal was found by Cheapflights users on 3/6. 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 4/87:10 pm
SEA
-
OTP
1 stop15h 00m
Turkish Airlines
Tue 4/289:30 am
OTP
-
SEA
1 stop17h 45m
Turkish Airlines
Deal found 3/6$611
This Gotogate deal was found by Cheapflights users on 3/10. 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 3/228:00 pm
SEA
-
OTP
1 stop15h 25m
Turkish Airlines
Tue 4/79:30 am
OTP
-
SEA
1 stop17h 45m
Turkish Airlines
Deal found 3/10$612
This Air Canada deal was found by Cheapflights users on 3/7. 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.
Sat 10/177:20 pm
SEA
-
OTP
2 stops37h 15m
Air Canada
Thu 11/266:30 am
OTP
-
SEA
2 stops25h 46m
Air Canada
Deal found 3/7$613
This Delta deal was found by Cheapflights users on 3/7. 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.
Sat 10/1710:00 pm
SEA
-
OTP
2 stops29h 00m
Delta
Fri 11/206:05 am
OTP
-
SEA
1 stop17h 15m
Delta
Deal found 3/7$616

Find flight deals from Seattle to Otopeni Intl

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) 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 March 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$599
(oojo)

One-way from

$318
(oojo)

Popular in

December

Cheapest in

January

Average price

$811
Provider with most accurate pricing for Seattle/Tacoma Intl-Bucharest Otopeni Intl flight deals.
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Bucharest Otopeni Intl flights.
From Seattle/Tacoma Intl to Bucharest Otopeni Intl
One-way flight from Seattle/Tacoma Intl to Bucharest Otopeni Intl
Highest demand for flights based on searches. 7% potential increase in price ($69 potential increase over avg. RT price).
Cheapest flight prices on average. 5% potential price decrease ($41 potential savings vs. average RT price).
Average for round-trip flights in March 2026

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle 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 March 11, 2026.
Use the filters below to find and compare flights from Seattle to Bucharest Otopeni Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Wed 7/22

6:35 pm-12:10 pm

1 stop31h 35m

Bucharest Otopeni Intl

Wed 8/19

1:05 pm-11:15 am

1 stop32h 10m

$668

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Fri 8/21

5:00 am-1:10 am

2 stops34h 10m

Bucharest Otopeni Intl

Tue 9/1

6:15 am-4:59 pm

1 stop20h 44m

$675
Quickest round-trip

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Sat 4/25

7:10 pm-8:15 pm

1 stop15h 05m

Bucharest Otopeni Intl

Sat 5/2

9:30 am-5:15 pm

1 stop17h 45m

$701

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Sat 7/18

11:02 am-11:30 pm

2 stops26h 28m

Bucharest Otopeni Intl

Fri 8/21

6:05 am-9:07 pm

2 stops25h 02m

$705

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Thu 4/23

7:15 am-1:00 pm

2 stops19h 45m

Bucharest Otopeni Intl

Thu 4/30

7:05 am-11:40 am

1 stop14h 35m

$719

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Tue 3/31

7:20 am-12:45 pm

2 stops19h 25m

Bucharest Otopeni Intl

Wed 4/8

7:05 am-7:05 pm

2 stops22h 00m

$765

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Sat 7/18

6:35 pm-12:10 pm

1 stop31h 35m

Bucharest Otopeni Intl

Sun 8/23

7:05 am-12:01 am

2 stops26h 56m

$768

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Sat 8/1

7:00 am-11:30 pm

2 stops30h 30m

Bucharest Otopeni Intl

Tue 8/11

6:15 am-4:59 pm

1 stop20h 44m

$780

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Mon 7/20

9:55 am-1:05 pm

2 stops17h 10m

Bucharest Otopeni Intl

Thu 8/20

6:15 am-4:59 pm

1 stop20h 44m

$781

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Sat 4/25

11:59 pm-1:10 am

2 stops39h 11m

Bucharest Otopeni Intl

Sat 5/2

12:45 pm-6:32 pm

2 stops39h 47m

$795

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/7

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

Compare providers for flights from Seattle 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 Seattle to Otopeni Intl in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars
OvagoPrice Accuracy2 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 Seattle-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 Seattle-Bucharest Otopeni Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Bucharest Otopeni Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seattle-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 Seattle-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 Seattle to Otopeni Intl

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

How far ahead should I book a flight from Seattle to Bucharest Otopeni Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Otopeni Intl. Price data was last updated on March 6, 2026.

To ensure you get the cheapest price possible for a flight from Seattle to Bucharest Otopeni Intl Airport, you should look to book at least 23 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Seattle to Bucharest Otopeni Intl Airport?

Currently, October is the cheapest month in which you can book a flight from Seattle to Bucharest Otopeni Intl Airport (average of $535). Flying from Seattle to Bucharest Otopeni Intl Airport in June is currently the most expensive (average of $805). 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.

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 March 11, 2026.
Peruse reviews from past customers who have flown with KLM,Air France, andTurkish Airlines from Seattle to Bucharest Otopeni Intl Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

7.6

Food

7.3

Overall

7.8

Crew

8.4

Boarding

7.8

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

Comfort

7.6

Food

7.3

Overall

7.8

Crew

8.4

Boarding

7.8

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

Comfort

7.6

Food

7.3

Overall

7.8

Crew

8.4

Boarding

7.8

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

Comfort

7.6

Food

7.3

Overall

7.8

Crew

8.4

Boarding

7.8

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

Comfort

7.6

Food

7.3

Overall

7.8

Crew

8.4

Boarding

7.8

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

Comfort

7.6

Food

7.3

Overall

7.8

Crew

8.4

Boarding

7.8

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

Related info for your journey

Find useful and relevant information for your journey from Seattle 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 airport do you fly from for flights from Seattle to Bucharest Otopeni Intl?

    Most people fly from Seattle/Tacoma Intl (SEA) if they book a flight from Seattle to Bucharest Otopeni Intl. On average, Seattle/Tacoma Intl has 0 outbound flights to Bucharest Otopeni Intl per day from 6 airlines. Seattle/Tacoma Intl is conveniently located just 11.4 mi from Seattle’s city center.

  • How long is the flight from Seattle to Bucharest Otopeni Intl Airport?

    Departing from Seattle to Bucharest Otopeni Intl Airport will take you 17h 56m. Airlines will cover a distance of 5791 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Seattle to Bucharest Otopeni Intl Airport round-trip?

    British Airways, at $539, was found to be the cheapest airline from Seattle to Bucharest Otopeni Intl Airport.Alternate airlines to your destination round-trip include Lufthansa and KLM. British Airways is currently priced 33% below the average price you’ll pay for this route.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Seattle 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 Seattle to Bucharest Otopeni Intl Airport?

    Currently, October is the cheapest month in which you can book a flight from Seattle to Bucharest Otopeni Intl Airport (average of $535). Flying from Seattle to Bucharest Otopeni Intl Airport in June is currently the most expensive (average of $805). 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 Seattle to Otopeni Intl

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

Top 6 airlines flying from Seattle to Otopeni Intl

Discover the top 6 airlines that operate flights from Seattle 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 March 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$539Average$626FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$565Average$904FlexibilityNo cancel feeOn-time76%
KLMCheapest$584Average$735FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$585Average$980FlexibilityNo cancel feeOn-time69%
Turkish AirlinesCheapest$587Average$709FlexibilityNo cancel feeOn-time77%
Air FranceCheapest$746Average$809FlexibilityNo cancel feeOn-time77%

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