$267+ Cheap flights from Seattle (SEA) to Otopeni Intl (OTP)
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 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — OTP
Jul 10 — Jul 171
Round-trip
1 adult, Economy
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Cheapest flights from Seattle to Otopeni IntlExplore the most affordable flight options available from Seattle to Otopeni Intl. 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 Seattle to Otopeni Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 10, 2026.
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/246:35 pm
SEA
- OTP
2 stops20h 30m
Multiple Airlines
Tue 9/88:35 am
OTP
- SEA
1 stop17h 05m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$729
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/166:50 pm
SEA
- OTP
1 stop18h 10m
British Airways
Thu 11/198:00 am
OTP
- SEA
1 stop18h 55m
British Airways
Deal found 6/9![British Airways logo]()
$746
This Booking.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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/217:15 pm
SEA
- OTP
1 stop15h 00m
Turkish Airlines
Wed 10/219:30 am
OTP
- SEA
1 stop17h 50m
Turkish Airlines
Deal found 6/8![Turkish Airlines logo]()
$751
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/167:20 am
SEA
- OTP
2 stops20h 50m
Delta
Thu 11/196:00 am
OTP
- SEA
1 stop15h 47m
Delta
Deal found 6/9![Delta logo]()
$755
This Travelocity 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1911:34 am
SEA
- OTP
2 stops19h 46m
British Airways
Mon 11/234:00 pm
OTP
- SEA
1 stop29h 30m
British Airways
Deal found 6/8![British Airways logo]()
$759
This 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/3112:35 pm
SEA
- OTP
1 stop16h 00m
Turkish Airlines
Tue 10/69:30 am
OTP
- SEA
1 stop17h 50m
Turkish Airlines
Deal found 6/6![Turkish Airlines logo]()
$760
This Travelocity 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/193:00 pm
SEA
- OTP
2 stops17h 35m
Multiple Airlines
Mon 11/234:40 pm
OTP
- SEA
2 stops38h 14m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$762
This 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/17:15 pm
SEA
- OTP
1 stop15h 00m
Turkish Airlines
Wed 10/79:30 am
OTP
- SEA
1 stop17h 50m
Turkish Airlines
Deal found 6/6![Turkish Airlines logo]()
$763
This 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/317:15 pm
SEA
- OTP
1 stop15h 00m
Turkish Airlines
Wed 10/79:30 am
OTP
- SEA
1 stop17h 50m
Turkish Airlines
Deal found 6/6![Turkish Airlines logo]()
$764
This Turkish 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/207:15 pm
SEA
- OTP
1 stop15h 00m
Turkish Airlines
Wed 10/79:35 pm
OTP
- SEA
1 stop29h 45m
Turkish Airlines
Deal found 6/9![Turkish Airlines logo]()
$768
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/107:20 pm
SEA
- OTP
2 stops37h 15m
Air Canada
Wed 10/146:15 am
OTP
- SEA
2 stops37h 37m
Air Canada
Deal found 6/9![Air Canada logo]()
$770
Best flights from Seattle to Otopeni IntlDiscover carefully curated flight deals from Seattle to Otopeni Intl 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 Seattle to Otopeni Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 10, 2026.
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/167:20 am
SEA
- OTP
2 stops20h 50m
Delta
Thu 11/196:00 am
OTP
- SEA
1 stop15h 47m
Delta
Deal found 6/9![Delta logo]()
$755
This Turkish 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/207:15 pm
SEA
- OTP
1 stop15h 00m
Turkish Airlines
Wed 10/79:35 pm
OTP
- SEA
1 stop29h 45m
Turkish Airlines
Deal found 6/9![Turkish Airlines logo]()
$768
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/511:04 pm
SEA
- OTP
2 stops26h 56m
United Airlines
Tue 10/66:15 am
OTP
- SEA
2 stops24h 49m
United Airlines
Deal found 6/7![United Airlines logo]()
$783
This United 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2611:14 pm
SEA
- OTP
2 stops26h 46m
Multiple Airlines
Fri 10/26:05 am
OTP
- SEA
1 stop16h 15m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$791
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.
Sun 8/233:55 pm
SEA
- OTP
2 stops21h 50m
Scandinavian Airlines
Wed 9/94:50 pm
OTP
- SEA
2 stops54h 55m
Scandinavian Airlines
Deal found 6/9![Scandinavian Airlines logo]()
$799
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.
Wed 7/223:00 pm
SEA
- OTP
2 stops17h 35m
Lufthansa
Thu 8/136:05 am
OTP
- SEA
1 stop15h 50m
Lufthansa
Deal found 6/6![Lufthansa logo]()
$847
This Turkish Airlines 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/127:05 pm
SEA
- OTP
1 stop15h 20m
Turkish Airlines
Sun 11/229:45 pm
OTP
- SEA
1 stop29h 25m
Turkish Airlines
Deal found 6/8![Turkish Airlines logo]()
$828
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.
Wed 9/26:50 pm
SEA
- OTP
1 stop20h 20m
United Airlines
Thu 10/86:05 am
OTP
- SEA
1 stop16h 15m
United Airlines
Deal found 6/10![United Airlines logo]()
$830
This United 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/27:00 am
SEA
- OTP
2 stops32h 10m
Multiple Airlines
Tue 8/187:20 pm
OTP
- SEA
2 stops26h 35m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$846
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/2312:44 pm
SEA
- OTP
2 stops17h 46m
United Airlines
Tue 9/812:45 pm
OTP
- SEA
1 stop14h 14m
United Airlines
Deal found 6/9![United Airlines logo]()
$842
This Turkish Airlines 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/17:15 pm
SEA
- OTP
1 stop30h 50m
Turkish Airlines
Fri 10/23:55 pm
OTP
- SEA
1 stop35h 25m
Turkish Airlines
Deal found 6/7![Turkish Airlines logo]()
$843
Last-minute flights from Seattle to Otopeni IntlDiscover last-minute flight deals from Seattle to Otopeni Intl. Data last updated June 10, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Otopeni Intl. Data last updated June 10, 2026 and is based on user searches.
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.
Sun 6/287:15 pm
SEA
- OTP
1 stop30h 45m
Turkish Airlines
Wed 7/153:55 pm
OTP
- SEA
1 stop35h 25m
Turkish Airlines
Deal found 6/10![Turkish Airlines logo]()
$915
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/86:50 pm
SEA
- OTP
1 stop13h 45m
Lufthansa
Wed 7/296:15 am
OTP
- SEA
1 stop20h 44m
Lufthansa
Deal found 6/8![Lufthansa logo]()
$892
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/85:45 am
SEA
- OTP
2 stops26h 50m
Multiple Airlines
Wed 7/296:15 am
OTP
- SEA
1 stop20h 44m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$913
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/226:50 pm
SEA
- OTP
1 stop13h 45m
Lufthansa
Tue 9/16:05 am
OTP
- SEA
1 stop15h 50m
Lufthansa
Deal found 6/8![Lufthansa logo]()
$827
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/226:50 pm
SEA
- OTP
1 stop13h 45m
Lufthansa
Fri 8/146:05 am
OTP
- SEA
1 stop15h 50m
Lufthansa
Deal found 6/6![Lufthansa logo]()
$846
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.
Wed 7/223:00 pm
SEA
- OTP
2 stops17h 35m
Lufthansa
Thu 8/136:05 am
OTP
- SEA
1 stop15h 50m
Lufthansa
Deal found 6/6![Lufthansa logo]()
$847
This Booking.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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2210:45 am
SEA
- OTP
2 stops21h 50m
Multiple Airlines
Tue 9/16:20 am
OTP
- SEA
2 stops24h 23m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$858
This Air France 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/231:30 pm
SEA
- OTP
1 stop24h 05m
Multiple Airlines
Thu 8/136:30 pm
OTP
- SEA
1 stop31h 57m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$904
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.
Thu 7/233:00 pm
SEA
- OTP
2 stops17h 35m
Lufthansa
Thu 8/136:05 am
OTP
- SEA
1 stop15h 50m
Lufthansa
Deal found 6/6![Lufthansa logo]()
$907
One-way flights from Seattle to Otopeni IntlSearch for one-way flight options from Seattle to Otopeni Intl. Find affordable one-way fares based on user searches. Data last updated June 10, 2026.
Search for one-way flight options from Seattle to Otopeni Intl. 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 6/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/411:25 pm
SEA
- OTP
2 stops26h 10m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$267
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/311:25 pm
SEA
- OTP
2 stops39h 10m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$275
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/27:00 pm
SEA
- OTP
2 stops43h 35m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$276
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/511:25 pm
SEA
- OTP
3 stops37h 45m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$277
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/111:25 pm
SEA
- OTP
2 stops39h 10m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$284
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.
Thu 7/303:40 pm
SEA
- OTP
2 stops23h 55m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$332
This British Airways 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/61:30 pm
SEA
- OTP
1 stop14h 35m
British Airways
Deal found 6/7![British Airways logo]()
$344
This Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/57:00 pm
SEA
- OTP
3 stops33h 20m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$349
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2111:25 pm
SEA
- OTP
2 stops52h 35m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$356
Find flight deals from Seattle to Otopeni Intl
Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Otopeni Intl (OTP). 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 | $729 (Kiwi.com) |
One-way from | $267 (Kiwi.com) |
Popular in | December |
Cheapest in | January |
Average price | $1,090 |
Cheapflights Fare Finder
Customize your flight search to find flights from Seattle to Otopeni Intl 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 Seattle to Bucharest Otopeni Intl Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
SeattleBucharest
SEA - OTP
SEAOTP
Seattle/Tacoma Intl
Mon 11/16
7:20 am-2:10 pm
2 stops20h 50m
Bucharest Otopeni Intl
Thu 11/19
6:00 am-11:47 am
1 stop15h 47m
$755
SeattleBucharest
SEA - OTP
SEAOTP
Seattle/Tacoma Intl
Sun 9/20
7:15 pm-8:15 pm
1 stop15h 00m
Bucharest Otopeni Intl
Wed 10/7
9:35 pm-5:20 pm
1 stop29h 45m
$768
SeattleBucharest
SEA - OTP
SEAOTP
Seattle/Tacoma Intl
Sat 9/5
11:04 pm-12:00 pm
2 stops26h 56m
Bucharest Otopeni Intl
Tue 10/6
6:15 am-9:04 pm
2 stops24h 49m
$783
SeattleBucharest
SEA - OTP
SEAOTP
Seattle/Tacoma Intl
Sat 9/26
11:14 pm-12:00 pm
2 stops26h 46m
Bucharest Otopeni Intl
Fri 10/2
6:05 am-12:20 pm
1 stop16h 15m
$791
SeattleBucharest
SEA - OTP
SEAOTP
Seattle/Tacoma Intl
Sun 8/23
3:55 pm-11:45 pm
2 stops21h 50m
Bucharest Otopeni Intl
Wed 9/9
4:50 pm-1:45 pm
2 stops54h 55m
$799
SeattleBucharest
SEA - OTP
SEAOTP
Seattle/Tacoma Intl
Thu 11/12
7:05 pm-8:25 pm
1 stop15h 20m
Bucharest Otopeni Intl
Sun 11/22
9:45 pm-5:10 pm
1 stop29h 25m
$828
SeattleBucharest
SEA - OTP
SEAOTP
Seattle/Tacoma Intl
Wed 9/2
6:50 pm-1:10 am
1 stop20h 20m
Bucharest Otopeni Intl
Thu 10/8
6:05 am-12:20 pm
1 stop16h 15m
$830
Quickest round-trip
SeattleBucharest
SEA - OTP
SEAOTP
Seattle/Tacoma Intl
Sun 8/23
12:44 pm-4:30 pm
2 stops17h 46m
Bucharest Otopeni Intl
Tue 9/8
12:45 pm-4:59 pm
1 stop14h 14m
$842
SeattleBucharest
SEA - OTP
SEAOTP
Seattle/Tacoma Intl
Tue 9/1
7:15 pm-12:05 pm
1 stop30h 50m
Bucharest Otopeni Intl
Fri 10/2
3:55 pm-5:20 pm
1 stop35h 25m
$843
SeattleBucharest
SEA - OTP
SEAOTP
Seattle/Tacoma Intl
Sun 8/2
7:00 am-1:10 am
2 stops32h 10m
Bucharest Otopeni Intl
Tue 8/18
7:20 pm-11:55 am
2 stops26h 35m
$846
Showing 1-10 of 21 resultsSorted by cheapest first
Compare providers for flights from Seattle to Otopeni Intl
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 Seattle to Otopeni Intl in June.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Seattle-Bucharest Otopeni Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Bucharest Otopeni Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Bucharest Otopeni Intl Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Seattle-Bucharest Otopeni Intl Airport 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 Seattle-Bucharest Otopeni Intl Airport 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 Seattle to Otopeni Intl
Have a flexible travel schedule? Discover the best time to fly to Otopeni Intl from Seattle with our price prediction graph.
SEA-OTP
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 Seattle to Bucharest Otopeni Intl Airport
What is the cheapest month to book a flight from Seattle to Bucharest Otopeni Intl Airport?
Currently, January is the cheapest month in which you can book a flight from Seattle to Bucharest Otopeni Intl Airport (average of $573). Flying from Seattle to Bucharest Otopeni Intl Airport in December is currently the most expensive (average of $1,299). 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 Seattle to Bucharest Otopeni Intl Airport?
Reviews of airlines servicing Otopeni Intl
Get insights into the airlines that provide service to Otopeni Intl. 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 Otopeni Intl. Reviews last updated June 10, 2026.
Peruse reviews from past customers who have flown with KLM,Air France, andTurkish Airlines from Seattle to Bucharest Otopeni Intl Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
7.8
Comfort
7.7
Food
7.3
Crew
8.4
Overall
7.8
Entertainment
7.2
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Boarding
7.8
Comfort
7.7
Food
7.3
Crew
8.4
Overall
7.8
Entertainment
7.2
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Boarding
7.8
Comfort
7.7
Food
7.3
Crew
8.4
Overall
7.8
Entertainment
7.2
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Boarding
7.8
Comfort
7.7
Food
7.3
Crew
8.4
Overall
7.8
Entertainment
7.2
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Boarding
7.8
Comfort
7.7
Food
7.3
Crew
8.4
Overall
7.8
Entertainment
7.2
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Boarding
7.8
Comfort
7.7
Food
7.3
Crew
8.4
Overall
7.8
Entertainment
7.2
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Related info for your journey
Find useful and relevant information for your journey from Seattle to Otopeni Intl. 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 Bucharest Otopeni Intl Airport?
Book flights to Bucharest Otopeni Intl Airport if you plan to visit one of these locationsOtopeni
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Seattle and Otopeni Intl flights
Browse other Seattle and Otopeni Intl flight options. Last updated on June 10, 2026.
Other flights from Seattle
Browse through other flights departing from Seattle. Flights are based on user searches made on Cheapflights and were last updated on June 10, 2026.
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Check out other popular destinations found by fellow travelers in 2026
Top 5 airlines flying from Seattle to Otopeni Intl
Discover the top 5 airlines that operate flights from Seattle to Otopeni Intl. 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$539 | Average$636 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$548 | Average$911 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$552 | Average$926 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$587 | Average$692 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$748 | Average$809 | FlexibilityNo cancel fee | On-time77% |