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Otopeni Intl

$283+ 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 2/6. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — OTP
Feb 25 — Mar 41
Wed 2/25
Wed 3/4
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 January 26, 2026.

This oojo deal was found by Cheapflights users on 1/25. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/37:15 am
SEA
-
OTP
2 stops29h 40m
British Airways
Wed 3/118:05 am
OTP
-
SEA
1 stop18h 50m
British Airways
Deal found 1/25$534
This Air France deal was found by Cheapflights users on 1/25. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/31:40 pm
SEA
-
OTP
1 stop23h 00m
Multiple Airlines
Wed 3/116:00 am
OTP
-
SEA
1 stop15h 35m
Multiple Airlines
Deal found 1/25$535
This Delta deal was found by Cheapflights users on 1/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/222:15 pm
SEA
-
OTP
1 stop22h 35m
Delta
Mon 3/96:00 am
OTP
-
SEA
1 stop15h 35m
Delta
Deal found 1/25$536
This United Airlines deal was found by Cheapflights users on 1/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/16:50 pm
SEA
-
OTP
1 stop20h 20m
United Airlines
Fri 4/106:05 am
OTP
-
SEA
1 stop16h 15m
United Airlines
Deal found 1/24$537
This Air France deal was found by Cheapflights users on 1/24. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/211:40 pm
SEA
-
OTP
1 stop16h 10m
Multiple Airlines
Fri 3/66:00 am
OTP
-
SEA
1 stop15h 35m
Multiple Airlines
Deal found 1/24$538
This Delta deal was found by Cheapflights users on 1/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/51:45 pm
SEA
-
OTP
1 stop17h 35m
Delta
Mon 4/132:00 pm
OTP
-
SEA
1 stop36h 30m
Delta
Deal found 1/25$539
This Delta deal was found by Cheapflights users on 1/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/212:00 pm
SEA
-
OTP
2 stops22h 50m
Delta
Fri 3/66:00 am
OTP
-
SEA
1 stop15h 35m
Delta
Deal found 1/24$540
This Mytrip deal was found by Cheapflights users on 1/24. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/103:00 pm
SEA
-
OTP
2 stops36h 05m
Multiple Airlines
Wed 5/276:05 am
OTP
-
SEA
1 stop16h 15m
Multiple Airlines
Deal found 1/24$543
This United Airlines deal was found by Cheapflights users on 1/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/56:50 pm
SEA
-
OTP
1 stop20h 20m
United Airlines
Tue 4/141:50 pm
OTP
-
SEA
2 stops42h 01m
United Airlines
Deal found 1/25$545
This Delta deal was found by Cheapflights users on 1/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/117:15 am
SEA
-
OTP
2 stops20h 45m
Delta
Wed 3/186:00 am
OTP
-
SEA
1 stop15h 35m
Delta
Deal found 1/24$546
This oojo deal was found by Cheapflights users on 1/25. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/291:29 pm
SEA
-
OTP
2 stops24h 51m
British Airways
Thu 5/143:40 pm
OTP
-
SEA
1 stop29h 55m
British Airways
Deal found 1/25$547

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 January 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$534
(oojo)

One-way from

$283
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$608
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. 7% potential increase in price ($64 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($39 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 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 January 26, 2026.
Use the filters below to find and compare flights from Seattle to Bucharest Otopeni Intl Airport that are best for you.

Fly from

Seattle

Fly to

Otopeni Intl

Route

Depart

Return

Price

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Sat 2/21

2:00 pm-10:50 pm

2 stops22h 50m

Bucharest Otopeni Intl

Fri 3/6

6:00 am-11:35 am

1 stop15h 35m

$540

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Wed 4/1

5:00 am-1:10 am

2 stops34h 10m

Bucharest Otopeni Intl

Fri 4/10

6:05 am-12:20 pm

1 stop16h 15m

$541

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Sun 4/5

6:50 pm-1:10 am

1 stop20h 20m

Bucharest Otopeni Intl

Tue 4/14

1:50 pm-9:51 pm

2 stops42h 01m

$545

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Sun 5/3

6:50 pm-1:10 am

1 stop20h 20m

Bucharest Otopeni Intl

Fri 6/5

6:05 am-12:20 pm

1 stop16h 15m

$550

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Wed 4/29

6:50 pm-1:10 am

1 stop20h 20m

Bucharest Otopeni Intl

Fri 6/5

6:05 am-7:37 pm

2 stops23h 32m

$553

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Mon 5/4

8:45 am-6:35 pm

2 stops23h 50m

Bucharest Otopeni Intl

Fri 6/5

6:05 am-12:20 pm

1 stop16h 15m

$554

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Mon 5/4

8:51 am-1:10 am

2 stops30h 19m

Bucharest Otopeni Intl

Thu 6/11

6:05 am-12:20 pm

1 stop16h 15m

$554

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Wed 4/29

5:45 pm-1:10 am

2 stops21h 25m

Bucharest Otopeni Intl

Tue 6/9

6:05 am-12:20 pm

1 stop16h 15m

$554

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Wed 4/29

7:12 am-1:10 am

2 stops31h 58m

Bucharest Otopeni Intl

Wed 6/10

6:15 am-4:59 pm

1 stop20h 44m

$556

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Fri 2/6

2:35 pm-11:20 am

3 stops34h 45m

$283

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/23

Showing 1-10 of 12 results
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 January.
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 January 23, 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, January is the cheapest month in which you can book a flight from Seattle to Bucharest Otopeni Intl Airport (average of $539). Flying from Seattle to Bucharest Otopeni Intl Airport in July is currently the most expensive (average of $667). 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 January 26, 2026.
Peruse reviews from past customers who have flown with Delta, KLM, and Turkish 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.
Delta
7.9
Good
8,113 reviews

Crew

8.5

Boarding

8.1

Food

7.2

Entertainment

7.8

Overall

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,113 reviews
Delta
7.9
Good
8,113 reviews

Crew

8.5

Boarding

8.1

Food

7.2

Entertainment

7.8

Overall

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
KLM
7.7
Good
1,442 reviews
Delta
7.9
Good
8,113 reviews

Crew

8.5

Boarding

8.1

Food

7.2

Entertainment

7.8

Overall

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Turkish Airlines
7.3
Good
4,208 reviews
Delta
7.9
Good
8,113 reviews

Crew

8.5

Boarding

8.1

Food

7.2

Entertainment

7.8

Overall

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Lufthansa
6.8
Okay
7,747 reviews
Delta
7.9
Good
8,113 reviews

Crew

8.5

Boarding

8.1

Food

7.2

Entertainment

7.8

Overall

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
British Airways
6.7
Okay
7,700 reviews
Delta
7.9
Good
8,113 reviews

Crew

8.5

Boarding

8.1

Food

7.2

Entertainment

7.8

Overall

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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 7 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 22h 50m. 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 KLM and Lufthansa. 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 $539). Flying from Seattle to Bucharest Otopeni Intl Airport in July is currently the most expensive (average of $667). 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.
Portland to Otopeni Intl flights

Top 7 airlines flying from Seattle to Otopeni Intl

Discover the top 7 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 January 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$539Average$634FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$565Average$911FlexibilityNo cancel feeOn-time76%
KLMCheapest$584Average$834FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$585Average$1,121FlexibilityNo cancel feeOn-time69%
Turkish AirlinesCheapest$587Average$750FlexibilityNo cancel feeOn-time77%
Air FranceCheapest$699Average$807FlexibilityNo cancel feeOn-time77%
DeltaCheapest$772Average$952FlexibilityNo cancel feeOn-timeN/A

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