$464+ 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 9/10. Fares are subject to change and may not be available on all flights or dates of travel.
OTP — SEA
Jul 10 — Jul 171
Round-trip
1 adult, Economy
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Cheapest flights from Otopeni Intl to SeattleExplore 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 June 10, 2026.
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 June 10, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 6/9. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/184:50 pm
OTP
- SEA
2 stops30h 55m
Scandinavian Airlines
Sun 8/303:55 pm
SEA
- OTP
2 stops21h 50m
Scandinavian Airlines
Deal found 6/9![Scandinavian Airlines logo]()
$824
This Mytrip deal was found by Cheapflights users on 6/7. 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 7/229:55 am
OTP
- SEA
3 stops35h 50m
Multiple Airlines
Wed 7/293:40 pm
SEA
- OTP
3 stops31h 25m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$837
This Scandinavian Airlines deal was found by Cheapflights users on 6/5. 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.
Fri 9/254:50 pm
OTP
- SEA
2 stops30h 55m
Scandinavian Airlines
Tue 9/293:55 pm
SEA
- OTP
2 stops21h 50m
Scandinavian Airlines
Deal found 6/5![Scandinavian Airlines logo]()
$862
This Scandinavian Airlines deal was found by Cheapflights users on 6/9. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/234:50 pm
OTP
- SEA
2 stops54h 55m
Scandinavian Airlines
Sun 9/273:55 pm
SEA
- OTP
2 stops21h 50m
Scandinavian Airlines
Deal found 6/9![Scandinavian Airlines logo]()
$868
This Mytrip deal was found by Cheapflights users on 6/6. 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.
Tue 7/219:55 am
OTP
- SEA
3 stops35h 50m
Multiple Airlines
Tue 7/283:40 pm
SEA
- OTP
3 stops31h 25m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$893
This Kiwi.com deal was found by Cheapflights users on 6/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/2811:15 pm
OTP
- SEA
1 stop29h 30m
Multiple Airlines
Sat 7/1111:25 pm
SEA
- OTP
2 stops40h 10m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$943
This Gotogate deal was found by Cheapflights users on 6/8. 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.
Sun 6/145:10 pm
OTP
- SEA
1 stop30h 25m
Qatar Airways
Mon 6/294:25 pm
SEA
- OTP
1 stop35h 50m
Qatar Airways
Deal found 6/8![Qatar Airways logo]()
$948
This Gotogate deal was found by Cheapflights users on 6/8. 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.
Sun 6/285:10 pm
OTP
- SEA
1 stop29h 30m
Qatar Airways
Sat 7/114:25 pm
SEA
- OTP
1 stop35h 50m
Qatar Airways
Deal found 6/8![Qatar Airways logo]()
$950
This Gotogate deal was found by Cheapflights users on 6/6. 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.
Mon 6/155:10 pm
OTP
- SEA
1 stop29h 30m
Qatar Airways
Mon 6/294:25 pm
SEA
- OTP
1 stop35h 50m
Qatar Airways
Deal found 6/6![Qatar Airways logo]()
$953
This Mytrip deal was found by Cheapflights users on 6/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/176:00 am
OTP
- SEA
2 stops19h 40m
Multiple Airlines
Sun 8/307:00 pm
SEA
- OTP
2 stops19h 35m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$963
Best flights from Otopeni Intl to SeattleDiscover carefully curated flight deals from Otopeni Intl to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 10, 2026.
Discover carefully curated flight deals from Otopeni Intl to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 10, 2026.
This Scandinavian Airlines deal was found by Cheapflights users on 6/5. 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.
Fri 9/254:50 pm
OTP
- SEA
2 stops30h 55m
Scandinavian Airlines
Tue 9/293:55 pm
SEA
- OTP
2 stops21h 50m
Scandinavian Airlines
Deal found 6/5![Scandinavian Airlines logo]()
$862
This Qatar Airways deal was found by Cheapflights users on 6/9. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/235:10 pm
OTP
- SEA
1 stop29h 15m
Qatar Airways
Sun 9/274:25 pm
SEA
- OTP
1 stop29h 20m
Qatar Airways
Deal found 6/9![Qatar Airways logo]()
$984
This Mytrip deal was found by Cheapflights users on 6/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/69:55 am
OTP
- SEA
3 stops35h 50m
Multiple Airlines
Sun 7/123:40 pm
SEA
- OTP
3 stops31h 25m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$1,029
This United Airlines deal was found by Cheapflights users on 6/6. 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.
Tue 7/216:05 am
OTP
- SEA
2 stops24h 41m
United Airlines
Tue 7/286:50 pm
SEA
- OTP
1 stop13h 45m
United Airlines
Deal found 6/6![United Airlines logo]()
$1,033
This Lufthansa deal was found by Cheapflights users on 6/6. 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.
Tue 7/217:20 pm
OTP
- SEA
1 stop31h 39m
Lufthansa
Tue 7/286:50 pm
SEA
- OTP
1 stop20h 20m
Lufthansa
Deal found 6/6![Lufthansa logo]()
$1,051
This Scandinavian Airlines deal was found by Cheapflights users on 6/9. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/234:50 pm
OTP
- SEA
2 stops54h 55m
Scandinavian Airlines
Sun 9/273:55 pm
SEA
- OTP
2 stops21h 50m
Scandinavian Airlines
Deal found 6/9![Scandinavian Airlines logo]()
$868
This Qatar Airways deal was found by Cheapflights users on 6/8. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/255:10 pm
OTP
- SEA
1 stop29h 15m
Qatar Airways
Tue 9/294:25 pm
SEA
- OTP
1 stop29h 20m
Qatar Airways
Deal found 6/8![Qatar Airways logo]()
$990
Last-minute flights from Otopeni Intl to SeattleDiscover last-minute flight deals from Otopeni Intl to Seattle. Data last updated June 10, 2026 and is based on user searches.
Discover last-minute flight deals from Otopeni Intl to Seattle. Data last updated June 10, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 6/8. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/114:50 pm
OTP
- SEA
2 stops30h 55m
Scandinavian Airlines
Tue 6/233:55 pm
SEA
- OTP
2 stops21h 50m
Scandinavian Airlines
Deal found 6/8![Scandinavian Airlines logo]()
$996
This Gotogate deal was found by Cheapflights users on 6/8. 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.
Sun 6/145:10 pm
OTP
- SEA
1 stop30h 25m
Qatar Airways
Mon 6/294:25 pm
SEA
- OTP
1 stop35h 50m
Qatar Airways
Deal found 6/8![Qatar Airways logo]()
$948
This Gotogate deal was found by Cheapflights users on 6/6. 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.
Mon 6/155:10 pm
OTP
- SEA
1 stop29h 30m
Qatar Airways
Mon 6/294:25 pm
SEA
- OTP
1 stop35h 50m
Qatar Airways
Deal found 6/6![Qatar Airways logo]()
$953
This Mytrip deal was found by Cheapflights users on 6/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/176:00 am
OTP
- SEA
2 stops19h 40m
Multiple Airlines
Sun 8/307:00 pm
SEA
- OTP
2 stops19h 35m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$963
This Cheapflightsfares deal was found by Cheapflights users on 6/9. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/184:50 pm
OTP
- SEA
2 stops30h 55m
Scandinavian Airlines
Sun 8/303:55 pm
SEA
- OTP
2 stops21h 50m
Scandinavian Airlines
Deal found 6/9![Scandinavian Airlines logo]()
$824
This Kiwi.com deal was found by Cheapflights users on 6/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/2811:15 pm
OTP
- SEA
1 stop29h 30m
Multiple Airlines
Sat 7/1111:25 pm
SEA
- OTP
2 stops40h 10m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$943
This Gotogate deal was found by Cheapflights users on 6/8. 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.
Sun 6/285:10 pm
OTP
- SEA
1 stop29h 30m
Qatar Airways
Sat 7/114:25 pm
SEA
- OTP
1 stop35h 50m
Qatar Airways
Deal found 6/8![Qatar Airways logo]()
$950
This Cheapflightsfares deal was found by Cheapflights users on 6/9. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/65:10 pm
OTP
- SEA
1 stop29h 15m
Qatar Airways
Sun 7/124:25 pm
SEA
- OTP
1 stop29h 20m
Qatar Airways
Deal found 6/9![Qatar Airways logo]()
$997
This Mytrip deal was found by Cheapflights users on 6/6. 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.
Tue 7/219:55 am
OTP
- SEA
3 stops35h 50m
Multiple Airlines
Tue 7/283:40 pm
SEA
- OTP
3 stops31h 25m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$893
This Mytrip deal was found by Cheapflights users on 6/7. 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 7/229:55 am
OTP
- SEA
3 stops35h 50m
Multiple Airlines
Wed 7/293:40 pm
SEA
- OTP
3 stops31h 25m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$837
This Gotogate deal was found by Cheapflights users on 6/7. 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.
Wed 7/226:15 am
OTP
- SEA
1 stop20h 44m
Lufthansa
Wed 7/296:50 pm
SEA
- OTP
1 stop20h 20m
Lufthansa
Deal found 6/7![Lufthansa logo]()
$1,018
One-way flights from Otopeni Intl to SeattleSearch for one-way flight options from Otopeni Intl to Seattle. Find affordable one-way fares based on user searches. Data last updated June 10, 2026.
Search for one-way flight options from Otopeni Intl to Seattle. Find affordable one-way fares based on user searches. Data last updated June 10, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1012:20 pm
OTP
- SEA
2 stops37h 40m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$464
This Kiwi.com deal was found by Cheapflights users on 6/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1312:10 pm
OTP
- SEA
2 stops39h 00m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$491
This oojo deal was found by Cheapflights users on 6/7. 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.
Thu 9/108:35 am
OTP
- SEA
1 stop17h 25m
TAROM
Deal found 6/7![TAROM logo]()
$498
This Kiwi.com deal was found by Cheapflights users on 6/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1510:55 am
OTP
- SEA
3 stops40h 15m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$502
This Kiwi.com deal was found by Cheapflights users on 6/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/192:05 pm
OTP
- SEA
2 stops37h 05m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$503
This Kiwi.com deal was found by Cheapflights users on 6/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/147:50 pm
OTP
- SEA
3 stops48h 30m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$506
This Mytrip deal was found by Cheapflights users on 6/8. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/156:00 am
OTP
- SEA
3 stops25h 04m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$509
This TAROM deal was found by Cheapflights users on 6/8. 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 TAROM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/168:35 am
OTP
- SEA
1 stop17h 05m
TAROM
Deal found 6/8![TAROM logo]()
$516
This Kiwi.com deal was found by Cheapflights users on 6/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/188:35 am
OTP
- SEA
1 stop17h 05m
TAROM
Deal found 6/7![TAROM logo]()
$518
This Trip.com deal was found by Cheapflights users on 6/8. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/158:35 am
OTP
- SEA
1 stop17h 05m
TAROM
Deal found 6/8![TAROM logo]()
$519
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 June 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $837 (Mytrip) |
One-way from | $464 (Kiwi.com) |
Popular in | June |
Cheapest in | December |
Average price | $1,190 |
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 June 10, 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
Cheapest round-trip
BucharestSeattle
OTP - SEA
OTPSEA
Bucharest Otopeni Intl
Fri 9/25
4:50 pm-1:45 pm
2 stops30h 55m
Seattle/Tacoma Intl
Tue 9/29
3:55 pm-11:45 pm
2 stops21h 50m
$862
BucharestSeattle
OTP - SEA
OTPSEA
Bucharest Otopeni Intl
Wed 9/23
4:50 pm-1:45 pm
2 stops54h 55m
Seattle/Tacoma Intl
Sun 9/27
3:55 pm-11:45 pm
2 stops21h 50m
$868
BucharestSeattle
OTP - SEA
OTPSEA
Bucharest Otopeni Intl
Wed 9/23
5:10 pm-12:25 pm
1 stop29h 15m
Seattle/Tacoma Intl
Sun 9/27
4:25 pm-7:45 am
1 stop29h 20m
$984
BucharestSeattle
OTP - SEA
OTPSEA
Bucharest Otopeni Intl
Fri 9/25
5:10 pm-12:25 pm
1 stop29h 15m
Seattle/Tacoma Intl
Tue 9/29
4:25 pm-7:45 am
1 stop29h 20m
$990
BucharestSeattle
OTP - SEA
OTPSEA
Bucharest Otopeni Intl
Mon 7/6
9:55 am-11:45 am
3 stops35h 50m
Seattle/Tacoma Intl
Sun 7/12
3:40 pm-9:05 am
3 stops31h 25m
$1,029
Quickest round-trip
BucharestSeattle
OTP - SEA
OTPSEA
Bucharest Otopeni Intl
Tue 7/21
6:05 am-8:46 pm
2 stops24h 41m
Seattle/Tacoma Intl
Tue 7/28
6:50 pm-6:35 pm
1 stop13h 45m
$1,033
BucharestSeattle
OTP - SEA
OTPSEA
Bucharest Otopeni Intl
Tue 7/21
7:20 pm-4:59 pm
1 stop31h 39m
Seattle/Tacoma Intl
Tue 7/28
6:50 pm-1:10 am
1 stop20h 20m
$1,051
Cheapest one-way
Quickest one-way
BucharestSeattle
OTP - SEA
OTPSEA
Bucharest Otopeni Intl
Wed 10/14
8:35 am-3:40 pm
1 stop17h 05m
$516
BucharestSeattle
OTP - SEA
OTPSEA
Bucharest Otopeni Intl
Mon 10/19
8:35 am-4:10 pm
1 stop17h 35m
$516
BucharestSeattle
OTP - SEA
OTPSEA
Bucharest Otopeni Intl
Thu 10/15
8:35 am-4:00 pm
1 stop17h 25m
$516
Showing 1-10 of 15 resultsSorted by cheapest first
- 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.
OTP-SEA
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, December is the cheapest month in which you can book a flight from Bucharest Otopeni Intl Airport to Seattle (average of $813). Flying from Bucharest Otopeni Intl Airport to Seattle in June is currently the most expensive (average of $1,190). 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.
How much does it cost to fly round-trip from Bucharest Otopeni Intl Airport to Seattle?
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 June 10, 2026.
Get a feel of what it's like to fly with Turkish Airlines and Lufthansa 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.
Crew
7.8
Boarding
7.3
Comfort
7.3
Entertainment
7.5
Overall
7.4
Food
7.5
Reviews
1 / 20
8.0
ExcellentMuhammad,Jan 2026
ORD - DFW
Crew
7.8
Boarding
7.3
Comfort
7.3
Entertainment
7.5
Overall
7.4
Food
7.5
Reviews
1 / 20
8.0
ExcellentMuhammad,Jan 2026
ORD - DFW
Crew
7.8
Boarding
7.3
Comfort
7.3
Entertainment
7.5
Overall
7.4
Food
7.5
Reviews
1 / 20
8.0
ExcellentMuhammad,Jan 2026
ORD - DFW
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.
Traveling to a place near Seattle?
Book flights to Seattle if you plan to visit one of these locationsSeaTac
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Snoqualmie
Tumwater
Tukwila
Puyallup
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Lynnwood
Renton
Ellensburg
Fife
Lakewood
Issaquah
Marysville
Shoreline
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Top 2 airlines flying from Otopeni Intl to Seattle
Discover the top 2 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 June 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$790 | Average$882 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$879 | Average$1,151 | FlexibilityNo cancel fee | On-time76% |