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$562+ Cheap flights from Otopeni Intl (OTP) to Seattle (SEA)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/14. Fares are subject to change and may not be available on all flights or dates of travel.
OTP — SEA
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
1 adult, Economy
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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 March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$562
(KAYAK)

Popular in

July

Cheapest in

February

Average price

$835
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
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($123 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($17 potential savings vs. average RT price).
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Average for round-trip flights in March 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 March 28, 2025.

This KAYAK deal was found by Cheapflights users on 3/27. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/148:50 pmOTP - SEA
2 stops36h 01mScandinavian Airlines
Sat 6/74:00 pmSEA - OTP
1 stop18h 35mScandinavian Airlines
Deal found 3/27$562
This Delta deal was found by Cheapflights users on 3/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/247:00 amOTP - SEA
1 stop14h 45mDelta
Wed 5/76:00 amSEA - OTP
2 stops20h 10mDelta
Deal found 3/27$754
This British Airways deal was found by Cheapflights users on 3/27. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/66:15 pmOTP - SEA
1 stop27h 20mBritish Airways
Sat 5/241:35 pmSEA - OTP
1 stop24h 55mBritish Airways
Deal found 3/27$759
This American Airlines deal was found by Cheapflights users on 3/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/248:25 amOTP - SEA
2 stops38h 18mAmerican Airlines
Wed 5/76:20 amSEA - OTP
2 stops32h 05mAmerican Airlines
Deal found 3/27$761
This Air France deal was found by Cheapflights users on 3/27. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/168:35 amOTP - SEA
1 stop17h 25mMultiple Airlines
Wed 4/306:40 pmSEA - OTP
1 stop15h 30mMultiple Airlines
Deal found 3/27$805
This Air France deal was found by Cheapflights users on 3/27. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/158:40 amOTP - SEA
1 stop18h 55mAir France
Thu 9/46:45 pmSEA - OTP
1 stop15h 25mAir France
Deal found 3/27$869
This United Airlines deal was found by Cheapflights users on 3/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/166:05 amOTP - SEA
1 stop20h 54mUnited Airlines
Mon 4/282:18 pmSEA - OTP
2 stops23h 12mUnited Airlines
Deal found 3/27$870
This Booking.com deal was found by Cheapflights users on 3/26. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/286:00 amOTP - SEA
2 stops24h 41mAir Canada
Tue 9/912:20 pmSEA - OTP
2 stops18h 30mAir Canada
Deal found 3/26$913
This deal was found by Cheapflights users on 3/27. 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.
Wed 5/219:30 amOTP - SEA
1 stop17h 45mTurkish Airlines
Wed 6/117:10 pmSEA - OTP
1 stop15h 15mTurkish Airlines
Deal found 3/27$916
This deal was found by Cheapflights users on 3/27. 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 5/226:00 amOTP - SEA
1 stop16h 25mLufthansa
Wed 6/116:50 pmSEA - OTP
1 stop13h 45mLufthansa
Deal found 3/27$929
This Emirates deal was found by Cheapflights users on 3/27. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/52:20 amOTP - SEA
1 stop21h 05mEmirates
Sat 5/245:15 pmSEA - OTP
1 stop35h 30mEmirates
Deal found 3/27$1,508

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 March 28, 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-10:51 pm

2 stops36h 01m

Seattle/Tacoma Intl

Sat 6/7

4:00 pm-8:35 pm

1 stop18h 35m

$562

BucharestSeattle

OTP - SEA

OTPSEA

Bucharest Otopeni Intl

Thu 4/24

7:00 am-11:45 am

1 stop14h 45m

Seattle/Tacoma Intl

Wed 5/7

6:00 am-12:10 pm

2 stops20h 10m

$754

BucharestSeattle

OTP - SEA

OTPSEA

Bucharest Otopeni Intl

Tue 5/6

6:15 pm-11:35 am

1 stop27h 20m

Seattle/Tacoma Intl

Sat 5/24

1:35 pm-12:30 am

1 stop24h 55m

$759

BucharestSeattle

OTP - SEA

OTPSEA

Bucharest Otopeni Intl

Thu 4/24

8:25 am-12:43 pm

2 stops38h 18m

Seattle/Tacoma Intl

Wed 5/7

6:20 am-12:25 am

2 stops32h 05m

$761

BucharestSeattle

OTP - SEA

OTPSEA

Bucharest Otopeni Intl

Wed 4/16

8:35 am-4:00 pm

1 stop17h 25m

Seattle/Tacoma Intl

Wed 4/30

6:40 pm-8:10 pm

1 stop15h 30m

$805

BucharestSeattle

OTP - SEA

OTPSEA

Bucharest Otopeni Intl

Wed 4/16

6:05 am-4:59 pm

1 stop20h 54m

Seattle/Tacoma Intl

Mon 4/28

2:18 pm-11:30 pm

2 stops23h 12m

$870

BucharestSeattle

OTP - SEA

OTPSEA

Bucharest Otopeni Intl

Thu 8/28

6:00 am-8:41 pm

2 stops24h 41m

Seattle/Tacoma Intl

Tue 9/9

12:20 pm-4:50 pm

2 stops18h 30m

$913

BucharestSeattle

OTP - SEA

OTPSEA

Bucharest Otopeni Intl

Tue 7/15

9:30 am-5:15 pm

1 stop17h 45m

Seattle/Tacoma Intl

Sat 8/2

7:10 pm-8:25 pm

1 stop15h 15m

$920

BucharestSeattle

OTP - SEA

OTPSEA

Bucharest Otopeni Intl

Thu 4/24

7:20 pm-4:59 pm

1 stop31h 39m

Seattle/Tacoma Intl

Wed 5/7

2:15 pm-5:55 pm

1 stop17h 40m

$938

BucharestSeattle

OTP - SEA

OTPSEA

Bucharest Otopeni Intl

Mon 5/5

2:20 am-1:25 pm

1 stop21h 05m

Seattle/Tacoma Intl

Sat 5/24

5:15 pm-2:45 pm

1 stop35h 30m

$1,508

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

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 March.
ProviderPrice AccuracyTrust Score*
AranGrantPrice Accuracy3 starsTrust Score*1 star
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Bucharest Otopeni Intl Airport-Seattle flight deals on Cheapflights vs. FlightHub >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 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 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 March 21, 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 March 28, 2025.
Read through reviews of airlines operating flights from Bucharest to Seattle, such as Emirates, Delta and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Emirates
8.0
Very good
3,190 reviews

Comfort

8.0

Crew

8.3

Food

7.8

Boarding

8.1

Entertainment

8.2

Overall

8.0

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
3,190 reviews
Emirates
8.0
Very good
3,190 reviews

Comfort

8.0

Crew

8.3

Food

7.8

Boarding

8.1

Entertainment

8.2

Overall

8.0

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
7,897 reviews
Emirates
8.0
Very good
3,190 reviews

Comfort

8.0

Crew

8.3

Food

7.8

Boarding

8.1

Entertainment

8.2

Overall

8.0

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.
United Airlines
7.4
Good
8,603 reviews
Emirates
8.0
Very good
3,190 reviews

Comfort

8.0

Crew

8.3

Food

7.8

Boarding

8.1

Entertainment

8.2

Overall

8.0

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.
Turkish Airlines
7.3
Good
3,744 reviews
Emirates
8.0
Very good
3,190 reviews

Comfort

8.0

Crew

8.3

Food

7.8

Boarding

8.1

Entertainment

8.2

Overall

8.0

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.
Scandinavian Airlines
7.3
Good
1,325 reviews
Emirates
8.0
Very good
3,190 reviews

Comfort

8.0

Crew

8.3

Food

7.8

Boarding

8.1

Entertainment

8.2

Overall

8.0

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 $562. Other airlines that can offer you cheap pricing are Delta, from $754, and British Airways, from $759. You may be able to fly from Bucharest Otopeni Intl Airport to Seattle for 38% less than the average price by searching for these airlines.

  • 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
Lakewood
Renton
Lacey
Ocean Shores
Leavenworth
Federal Way
Olympia
Cle Elum
Centralia
Mukilteo
Aberdeen
Shoreline
Lynnwood
Shelton
Silverdale
Redmond
Monroe

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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 March 28, 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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