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$312+ Cheap flights from Otopeni Intl (OTP) to Seattle (SEA)

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 5/13. Fares are subject to change and may not be available on all flights or dates of travel.
OTP — SEA
Apr 22 — Apr 291
Tue 4/22
Tue 4/29
1 adult, Economy
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1. Tell us where you want to go

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Cheapflights Tip: The best prices from Bucharest Otopeni Intl to Seattle/Tacoma Intl are usually found in February or April, booked 31 days in advance, depart on a Saturday or Thursday and return on a Sunday

Cheap flight deals from Otopeni Intl to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Otopeni Intl (OTP) to Seattle (SEA). 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 17, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$580
(Ovago)

One-way from

$312
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$814
Provider with most accurate pricing for Bucharest Otopeni Intl-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for Bucharest Otopeni Intl-Seattle/Tacoma Intl flights.
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From Bucharest Otopeni Intl to Seattle/Tacoma Intl
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One-way flight from Bucharest Otopeni Intl to Seattle/Tacoma Intl
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Highest demand for flights based on searches. 12% potential increase in price ($129 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($18 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 Otopeni Intl to Seattle

Cheapest flights from Otopeni Intl to Seattle
Explore the most affordable flight options available from Otopeni Intl to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 17, 2025.

This Ovago deal was found by Cheapflights users on 4/17. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/148:50 pmOTP - SEA
2 stops33h 59mScandinavian Airlines
Sat 6/77:25 amSEA - OTP
2 stops27h 10mScandinavian Airlines
Deal found 4/17$580
This Air France deal was found by Cheapflights users on 4/17. 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 5/108:35 amOTP - SEA
1 stop17h 22mMultiple Airlines
Sun 5/186:35 pmSEA - OTP
1 stop15h 35mMultiple Airlines
Deal found 4/17$788
This KLM deal was found by Cheapflights users on 4/17. 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.
Wed 6/118:35 amOTP - SEA
1 stop17h 20mKLM
Tue 6/171:55 pmSEA - OTP
1 stop23h 50mKLM
Deal found 4/17$793
This Delta deal was found by Cheapflights users on 4/17. 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 5/257:00 amOTP - SEA
2 stops19h 42mDelta
Sat 6/77:25 amSEA - OTP
2 stops19h 35mDelta
Deal found 4/17$803
This British Airways deal was found by Cheapflights users on 4/17. 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.
Sat 5/108:25 amOTP - SEA
2 stops23h 25mBritish Airways
Sun 5/181:30 pmSEA - OTP
1 stop25h 15mBritish Airways
Deal found 4/17$804
This Lufthansa deal was found by Cheapflights users on 4/17. 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 6/116:00 amOTP - SEA
2 stops18h 13mLufthansa
Tue 6/1710:00 amSEA - OTP
2 stops17h 00mLufthansa
Deal found 4/17$873
This United Airlines deal was found by Cheapflights users on 4/17. 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 6/116:00 amOTP - SEA
2 stops18h 13mUnited Airlines
Tue 6/1710:00 amSEA - OTP
2 stops17h 00mUnited Airlines
Deal found 4/17$890
This American Airlines deal was found by Cheapflights users on 4/17. 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.
Thu 6/128:25 amOTP - SEA
2 stops21h 38mAmerican Airlines
Mon 6/161:30 pmSEA - OTP
1 stop25h 55mAmerican Airlines
Deal found 4/17$900
This Turkish Airlines deal was found by Cheapflights users on 4/17. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/113:55 pmOTP - SEA
1 stop35h 20mTurkish Airlines
Fri 8/227:10 pmSEA - OTP
1 stop33h 25mTurkish Airlines
Deal found 4/17$937
This SWISS deal was found by Cheapflights users on 4/17. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/14:10 pmOTP - SEA
1 stop32h 45mSWISS
Sat 6/144:20 pmSEA - OTP
1 stop22h 45mSWISS
Deal found 4/17$941
This Air France deal was found by Cheapflights users on 4/17. 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.
Fri 6/138:40 amOTP - SEA
2 stops17h 15mAir France
Sun 6/156:45 pmSEA - OTP
1 stop15h 25mAir France
Deal found 4/17$959
This Mytrip deal was found by Cheapflights users on 4/17. 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.
Fri 6/206:30 amOTP - SEA
2 stops24h 11mAir Canada
Fri 7/112:55 pmSEA - OTP
2 stops17h 40mAir Canada
Deal found 4/17$1,053

Cheapflights Fare Finder

Customize your flight search to find flights from Otopeni Intl to Seattle 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 17, 2025.
Use the filters below to find and compare flights from Bucharest Otopeni Intl Airport to Seattle that are best for you.

Fly from

Otopeni Intl

Fly to

Seattle

Route

Depart

Return

Price

BucharestSeattle

OTP - SEA

OTPSEA

Bucharest Otopeni Intl

Wed 5/14

8:50 pm-8:49 pm

2 stops33h 59m

Seattle/Tacoma Intl

Sat 6/7

7:25 am-8:35 pm

2 stops27h 10m

$580

BucharestSeattle

OTP - SEA

OTPSEA

Bucharest Otopeni Intl

Sat 5/10

8:35 am-3:57 pm

1 stop17h 22m

Seattle/Tacoma Intl

Sun 5/18

6:35 pm-8:10 pm

1 stop15h 35m

$788

BucharestSeattle

OTP - SEA

OTPSEA

Bucharest Otopeni Intl

Wed 6/11

8:35 am-3:55 pm

1 stop17h 20m

Seattle/Tacoma Intl

Tue 6/17

1:55 pm-11:45 pm

1 stop23h 50m

$793

BucharestSeattle

OTP - SEA

OTPSEA

Bucharest Otopeni Intl

Sun 5/25

7:00 am-3:57 pm

1 stop18h 57m

Seattle/Tacoma Intl

Sat 6/7

7:25 am-1:00 pm

2 stops19h 35m

$797

BucharestSeattle

OTP - SEA

OTPSEA

Bucharest Otopeni Intl

Sat 5/10

8:25 am-9:50 pm

2 stops23h 25m

Seattle/Tacoma Intl

Sun 5/18

1:30 pm-12:45 am

1 stop25h 15m

$804

BucharestSeattle

OTP - SEA

OTPSEA

Bucharest Otopeni Intl

Wed 6/11

6:00 am-2:13 pm

2 stops18h 13m

Seattle/Tacoma Intl

Tue 6/17

10:00 am-1:00 pm

2 stops17h 00m

$873

BucharestSeattle

OTP - SEA

OTPSEA

Bucharest Otopeni Intl

Wed 6/11

6:00 am-2:13 pm

2 stops18h 13m

Seattle/Tacoma Intl

Tue 6/17

10:00 am-1:00 pm

2 stops17h 00m

$890

BucharestSeattle

OTP - SEA

OTPSEA

Bucharest Otopeni Intl

Thu 6/12

8:25 am-8:03 pm

2 stops21h 38m

Seattle/Tacoma Intl

Mon 6/16

1:30 pm-1:25 am

1 stop25h 55m

$900

BucharestSeattle

OTP - SEA

OTPSEA

Bucharest Otopeni Intl

Mon 8/11

3:55 pm-5:15 pm

1 stop35h 20m

Seattle/Tacoma Intl

Fri 8/22

7:10 pm-2:35 pm

1 stop33h 25m

$937

BucharestSeattle

OTP - SEA

OTPSEA

Bucharest Otopeni Intl

Sun 6/1

4:10 pm-2:55 pm

1 stop32h 45m

Seattle/Tacoma Intl

Sat 6/14

4:20 pm-1:05 am

1 stop22h 45m

$941

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/17

Showing 1-10 of 17 results
1
2

Compare providers for flights from Otopeni Intl to Seattle

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 Otopeni Intl to Seattle in April.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
MytripPrice 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 Bucharest Otopeni Intl Airport-Seattle flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Bucharest Otopeni Intl Airport-Seattle flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Bucharest Otopeni Intl Airport-Seattle flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Bucharest Otopeni Intl Airport-Seattle flights, Cheapflights users trust AranGrant the most. AranGrant 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 Bucharest Otopeni Intl Airport-Seattle 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 Otopeni Intl to Seattle

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

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

Use this chart to determine the optimal time to book a round-trip flight from Otopeni Intl to Seattle. Price data was last updated on April 11, 2025.

The best time to book flights from Bucharest Otopeni Intl Airport to Seattle is 30 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, January is the cheapest month in which you can book a flight from Bucharest Otopeni Intl Airport to Seattle (average of $238). Flying from Bucharest Otopeni Intl Airport to Seattle in July is currently the most expensive (average of $411). 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.

Rainfall in Seattle by month

Plan your trip to Seattle by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Seattle ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.

Temperature in Seattle by month

Plan your trip to Seattle by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Seattle, 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 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated April 17, 2025.
Emirates
8.0
Very good
3,200 reviews

Comfort

8.0

Overall

8.0

Food

7.8

Crew

8.3

Boarding

8.1

Entertainment

8.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.
Emirates
8.0
Very good
3,200 reviews
Emirates
8.0
Very good
3,200 reviews

Comfort

8.0

Overall

8.0

Food

7.8

Crew

8.3

Boarding

8.1

Entertainment

8.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.
Delta
8.0
Very good
7,917 reviews
Emirates
8.0
Very good
3,200 reviews

Comfort

8.0

Overall

8.0

Food

7.8

Crew

8.3

Boarding

8.1

Entertainment

8.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.
KLM
7.8
Good
1,329 reviews
Emirates
8.0
Very good
3,200 reviews

Comfort

8.0

Overall

8.0

Food

7.8

Crew

8.3

Boarding

8.1

Entertainment

8.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.
Air France
7.5
Good
1,435 reviews
Emirates
8.0
Very good
3,200 reviews

Comfort

8.0

Overall

8.0

Food

7.8

Crew

8.3

Boarding

8.1

Entertainment

8.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.
SWISS
7.5
Good
1,580 reviews
Emirates
8.0
Very good
3,200 reviews

Comfort

8.0

Overall

8.0

Food

7.8

Crew

8.3

Boarding

8.1

Entertainment

8.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.

Related info for your journey

Find useful and relevant information for your journey from Otopeni Intl to Seattle. 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 into for flights to Seattle from Bucharest Otopeni Intl?

    Seattle/Tacoma Intl (SEA), located 11.4 mi from the city center, is the airport you fly into when you book flights from Bucharest Otopeni Intl to Seattle. 4 airlines have flights to Seattle/Tacoma Intl from Bucharest Otopeni Intl on a regular basis. Booking flights from Bucharest Otopeni Intl to Seattle/Tacoma Intl should not be difficult; the airport handles an average of 0 inbound flights from Bucharest Otopeni Intl per day.

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

    Cheapflights users have booked flights from Bucharest Otopeni Intl Airport to Seattle round-trip from $580. Other airlines that can offer you cheap pricing are KLM, from $793, and Delta, from $803. You may be able to fly from Bucharest Otopeni Intl Airport to Seattle for 36% less than the average price by searching for these airlines.

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

    One-way options have recently been found by users for as low as $870 on Lufthansa. Other airlines that offer cheap prices include Emirates from $1,626 and Qatar Airways from $2,040 one-way.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Bucharest Otopeni Intl Airport to Seattle (average of $238). Flying from Bucharest Otopeni Intl Airport to Seattle in July is currently the most expensive (average of $411). 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
SeaTac
Tukwila
Tacoma
Renton
Lakewood
Ocean Shores
Lacey
Leavenworth
Federal Way
Olympia
Shoreline
Cle Elum
Centralia
Aberdeen
Kent
Lynnwood
Shelton
Silverdale
Redmond
Issaquah

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Alternative routes for Otopeni Intl to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
Otopeni Intl to Portland flights

Top 4 airlines flying from Otopeni Intl to Seattle

Discover the top 4 airlines that operate flights from Otopeni Intl to Seattle. 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 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$750Average$1,349FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$808Average$1,048FlexibilityNo cancel feeOn-time76%
Turkish AirlinesCheapest$811Average$916FlexibilityNo cancel feeOn-time77%
KLMCheapest$844Average$1,038FlexibilityNo cancel feeOn-time75%

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