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$585+ 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 7/5. Fares are subject to change and may not be available on all flights or dates of travel.
OTP — SEA
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
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 69 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 junio 12, 2025.

Round-trip from

$749
(Scandinavian Airlines)

One-way from

$585
(Bravofly)

Popular in

August

Cheapest in

February

Average price

$895
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. 16% potential increase in price ($184 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($22 potential savings vs. average RT price).
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Average for round-trip flights in June 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 junio 12, 2025.

This Scandinavian Airlines deal was found by Cheapflights users on 6/10. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/119:50 pmOTP - SEA
2 stops34h 35mScandinavian Airlines
vie. 8/224:00 pmSEA - OTP
1 stop18h 35mScandinavian Airlines
Deal found 6/10$749
This Booking.com deal was found by Cheapflights users on 6/10. 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.
lun. 10/208:25 amOTP - SEA
1 stop19h 55mBritish Airways
jue. 11/136:50 pmSEA - OTP
1 stop18h 55mBritish Airways
Deal found 6/10$797
This United Airlines deal was found by Cheapflights users on 6/10. 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.
lun. 10/206:00 amOTP - SEA
2 stops22h 36mUnited Airlines
jue. 11/136:20 amSEA - OTP
2 stops19h 50mUnited Airlines
Deal found 6/10$863
This Mytrip deal was found by Cheapflights users on 6/10. 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.
mié. 9/312:45 pmOTP - SEA
1 stop14h 14mLufthansa
mié. 9/172:20 pmSEA - OTP
1 stop16h 30mLufthansa
Deal found 6/10$869
This SWISS deal was found by Cheapflights users on 6/10. 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.
lun. 6/306:30 amOTP - SEA
1 stop18h 25mSWISS
mar. 7/152:50 pmSEA - OTP
2 stops24h 15mSWISS
Deal found 6/10$884
This Mytrip deal was found by Cheapflights users on 6/10. 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.
lun. 6/301:05 pmOTP - SEA
3 stops39h 33mMultiple Airlines
mar. 7/153:45 pmSEA - OTP
2 stops22h 55mMultiple Airlines
Deal found 6/10$904
This Delta deal was found by Cheapflights users on 6/10. 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.
lun. 10/207:00 amOTP - SEA
1 stop19h 05mDelta
mié. 11/1212:40 amSEA - OTP
2 stops26h 30mDelta
Deal found 6/10$938
This Turkish Airlines deal was found by Cheapflights users on 6/10. 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.
lun. 8/113:55 pmOTP - SEA
1 stop28h 40mTurkish Airlines
vie. 8/227:10 pmSEA - OTP
1 stop15h 15mTurkish Airlines
Deal found 6/10$940
This KLM deal was found by Cheapflights users on 6/12. 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.
dom. 8/106:25 pmOTP - SEA
1 stop31h 30mKLM
sáb. 8/235:40 pmSEA - OTP
1 stop20h 05mKLM
Deal found 6/12$964
This Air France deal was found by Cheapflights users on 6/11. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 7/318:40 amOTP - SEA
1 stop18h 45mAir France
sáb. 8/166:40 pmSEA - OTP
1 stop15h 30mAir France
Deal found 6/11$1,028
This Emirates deal was found by Cheapflights users on 6/10. 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.
dom. 10/192:20 amOTP - SEA
1 stop21h 05mEmirates
jue. 11/134:05 pmSEA - OTP
1 stop28h 55mEmirates
Deal found 6/10$1,572
This Air Canada deal was found by Cheapflights users on 6/10. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/266:30 amOTP - SEA
2 stops22h 06mAir Canada
lun. 6/110:00 amSEA - OTP
2 stops41h 05mAir Canada
Deal found 6/10$3,268

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 junio 12, 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

lun. 8/11

9:50 pm-10:25 pm

2 stops34h 35m

Seattle/Tacoma Intl

vie. 8/22

4:00 pm-8:35 pm

1 stop18h 35m

$749

BucharestSeattle

OTP - SEA

OTPSEA

Bucharest Otopeni Intl

lun. 10/20

8:25 am-6:20 pm

1 stop19h 55m

Seattle/Tacoma Intl

jue. 11/13

6:50 pm-11:45 pm

1 stop18h 55m

$797

BucharestSeattle

OTP - SEA

OTPSEA

Bucharest Otopeni Intl

lun. 10/20

6:00 am-6:36 pm

2 stops22h 36m

Seattle/Tacoma Intl

jue. 11/13

9:25 am-6:30 pm

3 stops23h 05m

$863

BucharestSeattle

OTP - SEA

OTPSEA

Bucharest Otopeni Intl

mié. 9/3

12:45 pm-4:59 pm

1 stop14h 14m

Seattle/Tacoma Intl

mié. 9/17

2:20 pm-4:50 pm

1 stop16h 30m

$869

BucharestSeattle

OTP - SEA

OTPSEA

Bucharest Otopeni Intl

lun. 6/30

6:30 am-2:55 pm

1 stop18h 25m

Seattle/Tacoma Intl

mar. 7/15

2:50 pm-1:05 am

2 stops24h 15m

$884

BucharestSeattle

OTP - SEA

OTPSEA

Bucharest Otopeni Intl

lun. 6/30

1:05 pm-6:38 pm

3 stops39h 33m

Seattle/Tacoma Intl

mar. 7/15

3:45 pm-12:40 am

2 stops22h 55m

$904

BucharestSeattle

OTP - SEA

OTPSEA

Bucharest Otopeni Intl

lun. 10/20

7:00 am-4:05 pm

1 stop19h 05m

Seattle/Tacoma Intl

mié. 11/12

12:40 am-1:10 pm

2 stops26h 30m

$938

BucharestSeattle

OTP - SEA

OTPSEA

Bucharest Otopeni Intl

lun. 8/11

3:55 pm-10:35 am

1 stop28h 40m

Seattle/Tacoma Intl

vie. 8/22

7:10 pm-8:25 pm

1 stop15h 15m

$940

BucharestSeattle

OTP - SEA

OTPSEA

Bucharest Otopeni Intl

dom. 8/10

6:25 pm-3:55 pm

1 stop31h 30m

Seattle/Tacoma Intl

sáb. 8/23

5:40 pm-11:45 pm

1 stop20h 05m

$964

BucharestSeattle

OTP - SEA

OTPSEA

Bucharest Otopeni Intl

jue. 7/31

8:40 am-5:25 pm

1 stop18h 45m

Seattle/Tacoma Intl

sáb. 8/16

6:40 pm-8:10 pm

1 stop15h 30m

$1,028

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 14 results
1
2

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 June 9, 2025.

The best time to book flights from Bucharest Otopeni Intl Airport to Seattle is 69 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 $391). 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 junio 12, 2025.
Emirates
8.1
Very good
3,264 reviews

Entertainment

8.2

Crew

8.3

Overall

8.1

Comfort

8.0

Boarding

8.1

Food

7.8

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
8.1
Very good
3,264 reviews
Emirates
8.1
Very good
3,264 reviews

Entertainment

8.2

Crew

8.3

Overall

8.1

Comfort

8.0

Boarding

8.1

Food

7.8

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
7,950 reviews
Emirates
8.1
Very good
3,264 reviews

Entertainment

8.2

Crew

8.3

Overall

8.1

Comfort

8.0

Boarding

8.1

Food

7.8

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
1,358 reviews
Emirates
8.1
Very good
3,264 reviews

Entertainment

8.2

Crew

8.3

Overall

8.1

Comfort

8.0

Boarding

8.1

Food

7.8

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
1,463 reviews
Emirates
8.1
Very good
3,264 reviews

Entertainment

8.2

Crew

8.3

Overall

8.1

Comfort

8.0

Boarding

8.1

Food

7.8

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
1,623 reviews
Emirates
8.1
Very good
3,264 reviews

Entertainment

8.2

Crew

8.3

Overall

8.1

Comfort

8.0

Boarding

8.1

Food

7.8

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 $749. Other airlines that can offer you cheap pricing are British Airways, from $797, and United Airlines, from $863. You may be able to fly from Bucharest Otopeni Intl Airport to Seattle for 18% 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 $391). 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
Ocean Shores
Lacey
Leavenworth
Federal Way
Lynnwood
Olympia
Shoreline
Kent
Cle Elum
Centralia
Kirkland
Aberdeen
Renton
Shelton
Silverdale
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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$785Average$996FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$808Average$1,058FlexibilityNo cancel feeOn-time76%
Turkish AirlinesCheapest$811Average$898FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$872Average$1,349FlexibilityNo cancel feeOn-time70%

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