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$368+ 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 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
OTP — SEA
Apr 11 — Apr 181
Sat 4/11
Sat 4/18
1 adult, Economy
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Cheap 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 12, 2026.

This Mytrip deal was found by Cheapflights users on 3/11. 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 4/197:40 am
OTP
-
SEA
3 stops25h 13m
Multiple Airlines
Tue 5/58:00 am
SEA
-
OTP
3 stops22h 55m
Multiple Airlines
Deal found 3/11$672
This Mytrip deal was found by Cheapflights users on 3/11. 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 4/267:40 am
OTP
-
SEA
3 stops45h 40m
Multiple Airlines
Sat 5/237:00 pm
SEA
-
OTP
3 stops33h 20m
Multiple Airlines
Deal found 3/11$727
This Gotogate deal was found by Cheapflights users on 3/8. 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.
Fri 5/224:50 pm
OTP
-
SEA
2 stops30h 55m
Scandinavian Airlines
Fri 5/293:55 pm
SEA
-
OTP
2 stops21h 50m
Scandinavian Airlines
Deal found 3/8$733
This Mytrip deal was found by Cheapflights users on 3/11. 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.
Wed 4/297:40 am
OTP
-
SEA
3 stops45h 40m
Multiple Airlines
Sun 5/178:00 am
SEA
-
OTP
3 stops24h 55m
Multiple Airlines
Deal found 3/11$764
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/54:50 pm
OTP
-
SEA
2 stops30h 55m
Scandinavian Airlines
Fri 8/283:55 pm
SEA
-
OTP
2 stops21h 50m
Scandinavian Airlines
Deal found 3/9$780
This Mytrip deal was found by Cheapflights users on 3/11. 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.
Thu 4/3011:20 pm
OTP
-
SEA
3 stops33h 20m
Multiple Airlines
Tue 5/197:00 pm
SEA
-
OTP
3 stops34h 20m
Multiple Airlines
Deal found 3/11$806

Find 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 12, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$672
(Mytrip)

One-way from

$368
(Kiwi.com)

Popular in

March

Cheapest in

January

Average price

$1,246
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.
Search Deals
From Bucharest Otopeni Intl to Seattle/Tacoma Intl
Search Deals
One-way flight from Bucharest Otopeni Intl to Seattle/Tacoma Intl
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($79 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($23 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

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 12, 2026.
Use the filters below to find and compare flights from Bucharest Otopeni Intl Airport to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BucharestSeattle

OTP - SEA

OTPSEA

Bucharest Otopeni Intl

Wed 4/22

5:10 pm-12:45 pm

1 stop29h 35m

Seattle/Tacoma Intl

Wed 4/29

11:50 am-3:35 pm

2 stops41h 45m

$895
Quickest round-trip

BucharestSeattle

OTP - SEA

OTPSEA

Bucharest Otopeni Intl

Fri 5/22

6:05 am-12:20 pm

1 stop16h 15m

Seattle/Tacoma Intl

Fri 5/29

6:50 pm-6:35 pm

1 stop13h 45m

$902

BucharestSeattle

OTP - SEA

OTPSEA

Bucharest Otopeni Intl

Thu 4/16

6:05 am-12:20 pm

1 stop16h 15m

Seattle/Tacoma Intl

Mon 4/27

7:00 am-1:05 pm

2 stops20h 05m

$908

BucharestSeattle

OTP - SEA

OTPSEA

Bucharest Otopeni Intl

Wed 4/22

6:05 am-7:00 pm

2 stops22h 55m

Seattle/Tacoma Intl

Wed 4/29

2:39 pm-6:35 pm

2 stops17h 56m

$908

BucharestSeattle

OTP - SEA

OTPSEA

Bucharest Otopeni Intl

Thu 4/16

6:05 am-4:37 pm

2 stops20h 32m

Seattle/Tacoma Intl

Wed 4/22

11:35 am-4:20 pm

2 stops18h 45m

$918

BucharestSeattle

OTP - SEA

OTPSEA

Bucharest Otopeni Intl

Mon 4/20

5:10 pm-12:45 pm

1 stop29h 35m

Seattle/Tacoma Intl

Sat 4/25

3:48 pm-3:35 pm

2 stops61h 47m

$921

BucharestSeattle

OTP - SEA

OTPSEA

Bucharest Otopeni Intl

Thu 4/16

6:05 am-12:20 pm

1 stop16h 15m

Seattle/Tacoma Intl

Thu 4/23

8:42 am-1:10 am

2 stops30h 28m

$937

BucharestSeattle

OTP - SEA

OTPSEA

Bucharest Otopeni Intl

Tue 3/31

6:05 am-10:37 pm

2 stops26h 32m

Seattle/Tacoma Intl

Mon 6/15

11:02 am-1:10 am

2 stops28h 08m

$939

BucharestSeattle

OTP - SEA

OTPSEA

Bucharest Otopeni Intl

Sat 6/6

6:05 am-9:59 pm

3 stops25h 54m

Seattle/Tacoma Intl

Fri 8/28

3:51 pm-1:10 am

2 stops23h 19m

$939

BucharestSeattle

OTP - SEA

OTPSEA

Bucharest Otopeni Intl

Sun 4/26

2:05 pm-12:34 am

2 stops20h 29m

Seattle/Tacoma Intl

Tue 5/12

8:10 am-12:00 pm

2 stops17h 50m

$941

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/11

Showing 1-10 of 17 resultsSorted by cheapest first
1
2
  • 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

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

Currently, May is the cheapest month in which you can book a flight from Bucharest Otopeni Intl Airport to Seattle (average of $231). Flying from Bucharest Otopeni Intl Airport to Seattle in March is currently the most expensive (average of $1,246). 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 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 12, 2026.
Get a feel of what it's like to fly with Delta,Turkish Airlines, andLufthansa from Bucharest Otopeni Intl Airport to Seattle by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,284 reviews

Overall

7.9

Entertainment

7.8

Boarding

8.1

Food

7.2

Comfort

7.9

Crew

8.5

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
8,284 reviews
Delta
7.9
Good
8,284 reviews

Overall

7.9

Entertainment

7.8

Boarding

8.1

Food

7.2

Comfort

7.9

Crew

8.5

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
4,254 reviews
Delta
7.9
Good
8,284 reviews

Overall

7.9

Entertainment

7.8

Boarding

8.1

Food

7.2

Comfort

7.9

Crew

8.5

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
7,846 reviews
Delta
7.9
Good
8,284 reviews

Overall

7.9

Entertainment

7.8

Boarding

8.1

Food

7.2

Comfort

7.9

Crew

8.5

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 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. 3 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.

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

    Departing from Bucharest Otopeni Intl Airport to Seattle will take you 16h 15m. Airlines will cover a distance of 5791 mi. This flight may include one or multiple stops.

  • 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 $790. Other airlines that can offer you cheap pricing are Delta, from $820, and Lufthansa, from $879. You may be able to fly from Bucharest Otopeni Intl Airport to Seattle for 20% 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, May is the cheapest month in which you can book a flight from Bucharest Otopeni Intl Airport to Seattle (average of $231). Flying from Bucharest Otopeni Intl Airport to Seattle in March is currently the most expensive (average of $1,246). 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 Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
SeaTac
Lakewood
Ocean Shores
Olympia
Kent
Lynnwood
Edmonds
Lacey
Renton
Puyallup
Kirkland
Tukwila
Fife
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Federal Way
Chehalis

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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 3 airlines flying from Otopeni Intl to Seattle

Discover the top 3 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 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$790Average$874FlexibilityNo cancel feeOn-time77%
DeltaCheapest$820Average$991FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$879Average$1,151FlexibilityNo cancel feeOn-time76%

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