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Otopeni Intl

$281+ 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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — OTP
May 27 — Jun 31
Wed 5/27
Wed 6/3
1 adult, Economy
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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 April 27, 2026.

This FlightHub deal was found by Cheapflights users on 4/24. 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 9/27:10 pm
SEA
-
OTP
1 stop15h 05m
Turkish Airlines
Fri 9/259:30 am
OTP
-
SEA
1 stop17h 45m
Turkish Airlines
Deal found 4/24$716
This Justfly.com deal was found by Cheapflights users on 4/26. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/37:10 pm
SEA
-
OTP
2 stops38h 35m
Turkish Airlines
Thu 5/283:50 pm
OTP
-
SEA
1 stop35h 25m
Turkish Airlines
Deal found 4/26$721
This deal was found by Cheapflights users on 4/27. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/3112:35 pm
SEA
-
OTP
1 stop16h 00m
Turkish Airlines
Wed 10/79:30 am
OTP
-
SEA
1 stop17h 45m
Turkish Airlines
Deal found 4/27$727
This deal was found by Cheapflights users on 4/27. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/3112:35 pm
SEA
-
OTP
1 stop16h 00m
Turkish Airlines
Tue 10/69:30 am
OTP
-
SEA
1 stop17h 45m
Turkish Airlines
Deal found 4/27$729
This deal was found by Cheapflights users on 4/27. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/307:10 pm
SEA
-
OTP
1 stop15h 05m
Turkish Airlines
Fri 10/29:30 am
OTP
-
SEA
1 stop17h 45m
Turkish Airlines
Deal found 4/27$730
This deal was found by Cheapflights users on 4/27. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/307:10 pm
SEA
-
OTP
1 stop15h 05m
Turkish Airlines
Thu 10/89:30 am
OTP
-
SEA
1 stop17h 45m
Turkish Airlines
Deal found 4/27$732
This deal was found by Cheapflights users on 4/27. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/37:10 pm
SEA
-
OTP
1 stop15h 05m
Turkish Airlines
Tue 10/69:30 am
OTP
-
SEA
1 stop17h 45m
Turkish Airlines
Deal found 4/27$733
This Kiwi.com deal was found by Cheapflights users on 4/25. 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 5/37:10 pm
SEA
-
OTP
1 stop15h 00m
Turkish Airlines
Wed 5/279:30 am
OTP
-
SEA
1 stop17h 45m
Turkish Airlines
Deal found 4/25$736
This Kiwi.com deal was found by Cheapflights users on 4/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/37:10 pm
SEA
-
OTP
1 stop15h 00m
Turkish Airlines
Tue 6/23:55 pm
OTP
-
SEA
1 stop35h 20m
Turkish Airlines
Deal found 4/26$742
This FlightHub deal was found by Cheapflights users on 4/26. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/17:10 pm
SEA
-
OTP
2 stops25h 30m
Turkish Airlines
Mon 10/53:55 pm
OTP
-
SEA
1 stop35h 20m
Turkish Airlines
Deal found 4/26$747
This Gotogate deal was found by Cheapflights users on 4/25. 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 8/166:50 pm
SEA
-
OTP
1 stop13h 45m
Lufthansa
Mon 8/247:20 pm
OTP
-
SEA
1 stop31h 39m
Lufthansa
Deal found 4/25$753

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 April 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$716
(FlightHub)

One-way from

$281
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$711
Provider with most accurate pricing for Seattle/Tacoma Intl-Bucharest Otopeni Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Bucharest Otopeni Intl flights.
Search Deals
From Seattle/Tacoma Intl to Bucharest Otopeni Intl
Search Deals
One-way flight from Seattle/Tacoma Intl to Bucharest Otopeni Intl
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($89 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($49 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

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 April 27, 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

Sat 10/10

10:40 pm-12:00 pm

2 stops27h 20m

Bucharest Otopeni Intl

Wed 10/14

6:05 am-12:20 pm

1 stop16h 15m

$775

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Sun 8/16

5:22 pm-1:10 am

2 stops21h 48m

Bucharest Otopeni Intl

Mon 8/24

6:15 am-9:21 pm

2 stops25h 06m

$819
Quickest round-trip

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Sat 9/5

6:50 pm-6:35 pm

1 stop13h 45m

Bucharest Otopeni Intl

Wed 10/21

6:05 am-6:32 pm

2 stops22h 27m

$821

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Sat 9/5

6:50 pm-1:10 am

1 stop20h 20m

Bucharest Otopeni Intl

Tue 10/20

6:15 am-11:26 pm

3 stops27h 11m

$831

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Sat 9/5

6:50 pm-1:10 am

1 stop20h 20m

Bucharest Otopeni Intl

Mon 10/19

1:50 pm-12:20 pm

1 stop32h 30m

$841
Cheapest one-way

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Sat 8/15

3:40 pm-2:00 pm

2 stops36h 20m

$344

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Sat 8/15

6:50 pm-1:10 am

1 stop20h 20m

$405

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Mon 5/11

7:00 pm-1:05 am

2 stops20h 05m

$407

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Mon 6/22

11:25 pm-12:35 am

2 stops39h 10m

$435

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Sat 6/20

8:41 pm-11:10 pm

3 stops40h 29m

$582

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/27

Showing 1-10 of 15 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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice 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 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?

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 22 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, January is the cheapest month in which you can book a flight from Seattle to Bucharest Otopeni Intl Airport (average of $573). Flying from Seattle to Bucharest Otopeni Intl Airport in December is currently the most expensive (average of $1,353). 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.

How much does it cost to fly round-trip from Seattle to Bucharest Otopeni Intl Airport?

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 27, 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.
KLM
7.8
Good
1,508 reviews

Boarding

7.8

Crew

8.4

Overall

7.8

Entertainment

7.1

Food

7.3

Comfort

7.7

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
KLM
7.8
Good
1,508 reviews
KLM
7.8
Good
1,508 reviews

Boarding

7.8

Crew

8.4

Overall

7.8

Entertainment

7.1

Food

7.3

Comfort

7.7

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
Air France
7.4
Good
1,580 reviews
KLM
7.8
Good
1,508 reviews

Boarding

7.8

Crew

8.4

Overall

7.8

Entertainment

7.1

Food

7.3

Comfort

7.7

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
Turkish Airlines
7.4
Good
4,339 reviews
KLM
7.8
Good
1,508 reviews

Boarding

7.8

Crew

8.4

Overall

7.8

Entertainment

7.1

Food

7.3

Comfort

7.7

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
Lufthansa
6.8
Okay
7,956 reviews
KLM
7.8
Good
1,508 reviews

Boarding

7.8

Crew

8.4

Overall

7.8

Entertainment

7.1

Food

7.3

Comfort

7.7

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
British Airways
6.7
Okay
7,923 reviews
KLM
7.8
Good
1,508 reviews

Boarding

7.8

Crew

8.4

Overall

7.8

Entertainment

7.1

Food

7.3

Comfort

7.7

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 5 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 27h 20m. Airlines will cover a distance of 5791 mi.

  • 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 34% 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, January is the cheapest month in which you can book a flight from Seattle to Bucharest Otopeni Intl Airport (average of $573). Flying from Seattle to Bucharest Otopeni Intl Airport in December is currently the most expensive (average of $1,353). 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

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Portland to Otopeni Intl flights

Top 5 airlines flying from Seattle to Otopeni Intl

Discover the top 5 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 April 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$539Average$636FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$548Average$911FlexibilityNo cancel feeOn-time76%
KLMCheapest$552Average$735FlexibilityNo cancel feeOn-time75%
Turkish AirlinesCheapest$584Average$666FlexibilityNo cancel feeOn-time77%
Air FranceCheapest$746Average$809FlexibilityNo cancel feeOn-time77%

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