$254+ 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 10/2. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — OTP
Aug 25 — Sep 11
Round-trip
1 adult, Economy
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Best
Last-minute
One-way
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 July 26, 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 July 26, 2026.
This lastminute.com deal was found by Cheapflights users on 7/21. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/77:15 pm
SEA
- OTP
1 stop15h 00m
Turkish Airlines
Tue 9/229:35 pm
OTP
- SEA
1 stop29h 45m
Turkish Airlines
Deal found 7/21![Turkish Airlines logo]()
$697
This Turkish Airlines deal was found by Cheapflights users on 7/22. 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.
Wed 10/217:15 pm
SEA
- OTP
1 stop26h 55m
Turkish Airlines
Tue 11/33:35 pm
OTP
- SEA
1 stop36h 35m
Turkish Airlines
Deal found 7/22![Turkish Airlines logo]()
$699
This oojo deal was found by Cheapflights users on 7/22. 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 10/216:50 pm
SEA
- OTP
1 stop13h 45m
Lufthansa
Tue 11/36:00 am
OTP
- SEA
2 stops26h 53m
Lufthansa
Deal found 7/22![Lufthansa logo]()
$739
This oojo deal was found by Cheapflights users on 7/22. 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 10/211:56 pm
SEA
- OTP
2 stops18h 39m
Lufthansa
Wed 10/286:00 am
OTP
- SEA
1 stop16h 00m
Lufthansa
Deal found 7/22![Lufthansa logo]()
$752
This British Airways deal was found by Cheapflights users on 7/23. 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.
Mon 11/96:45 pm
SEA
- OTP
1 stop34h 00m
British Airways
Fri 11/138:00 am
OTP
- SEA
1 stop18h 50m
British Airways
Deal found 7/23![British Airways logo]()
$759
This deal was found by Cheapflights users on 7/24. 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 8/257:15 pm
SEA
- OTP
1 stop15h 00m
Turkish Airlines
Fri 10/29:30 am
OTP
- SEA
1 stop17h 50m
Turkish Airlines
Deal found 7/24![Turkish Airlines logo]()
$762
This deal was found by Cheapflights users on 7/24. 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 8/257:15 pm
SEA
- OTP
1 stop15h 00m
Turkish Airlines
Thu 10/19:30 am
OTP
- SEA
1 stop17h 50m
Turkish Airlines
Deal found 7/24![Turkish Airlines logo]()
$763
This deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/267:15 pm
SEA
- OTP
1 stop15h 00m
Turkish Airlines
Fri 10/29:30 am
OTP
- SEA
1 stop17h 50m
Turkish Airlines
Deal found 7/24![Turkish Airlines logo]()
$766
This deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/267:15 pm
SEA
- OTP
1 stop15h 00m
Turkish Airlines
Thu 10/112:05 pm
OTP
- SEA
1 stop15h 15m
Turkish Airlines
Deal found 7/24![Turkish Airlines logo]()
$768
This Booking.com deal was found by Cheapflights users on 7/24. 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 9/77:15 pm
SEA
- OTP
1 stop15h 00m
Turkish Airlines
Mon 9/212:45 pm
OTP
- SEA
2 stops36h 35m
Turkish Airlines
Deal found 7/24![Turkish Airlines logo]()
$772
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 July 26, 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 July 26, 2026.
This Turkish Airlines deal was found by Cheapflights users on 7/23. 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.
Wed 10/217:15 pm
SEA
- OTP
1 stop26h 55m
Turkish Airlines
Tue 11/33:35 pm
OTP
- SEA
1 stop36h 35m
Turkish Airlines
Deal found 7/23![Turkish Airlines logo]()
$699
This British Airways deal was found by Cheapflights users on 7/22. 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.
Mon 11/96:45 pm
SEA
- OTP
1 stop34h 00m
British Airways
Fri 11/138:00 am
OTP
- SEA
1 stop18h 50m
British Airways
Deal found 7/22![British Airways logo]()
$760
This Delta deal was found by Cheapflights users on 7/22. 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.
Wed 8/197:15 am
SEA
- OTP
2 stops20h 25m
Delta
Wed 8/267:05 am
OTP
- SEA
2 stops19h 08m
Delta
Deal found 7/22![Delta logo]()
$829
This United Airlines deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/96:50 pm
SEA
- OTP
1 stop13h 45m
United Airlines
Wed 9/166:05 am
OTP
- SEA
1 stop15h 50m
United Airlines
Deal found 7/26![United Airlines logo]()
$833
This United deal was found by Cheapflights users on 7/21. 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.
Mon 9/77:00 am
SEA
- OTP
2 stops25h 35m
Multiple Airlines
Tue 9/226:05 am
OTP
- SEA
1 stop15h 50m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$833
This Turkish Airlines deal was found by Cheapflights users on 7/23. 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.
Wed 9/237:15 pm
SEA
- OTP
1 stop26h 55m
Turkish Airlines
Wed 9/309:35 pm
OTP
- SEA
1 stop29h 45m
Turkish Airlines
Deal found 7/23![Turkish Airlines logo]()
$699
This Turkish Airlines deal was found by Cheapflights users on 7/24. 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.
Sat 9/197:15 pm
SEA
- OTP
1 stop15h 00m
Turkish Airlines
Thu 4/19:35 pm
OTP
- SEA
1 stop29h 40m
Turkish Airlines
Deal found 7/24![Turkish Airlines logo]()
$699
This Delta deal was found by Cheapflights users on 7/24. 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 9/76:45 pm
SEA
- OTP
1 stop32h 00m
Delta
Mon 9/212:00 pm
OTP
- SEA
1 stop31h 47m
Delta
Deal found 7/24![Delta logo]()
$832
This Turkish Airlines deal was found by Cheapflights users on 7/21. 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 8/207:15 pm
SEA
- OTP
1 stop33h 20m
Turkish Airlines
Wed 10/79:30 am
OTP
- SEA
1 stop17h 50m
Turkish Airlines
Deal found 7/21![Turkish Airlines logo]()
$824
This Turkish Airlines deal was found by Cheapflights users on 7/25. 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 9/177:15 pm
SEA
- OTP
2 stops38h 50m
Turkish Airlines
Thu 9/243:50 pm
OTP
- SEA
1 stop35h 30m
Turkish Airlines
Deal found 7/25![Turkish Airlines logo]()
$828
This deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/267:15 pm
SEA
- OTP
1 stop15h 00m
Turkish Airlines
Sat 10/312:05 pm
OTP
- SEA
1 stop15h 15m
Turkish Airlines
Deal found 7/24![Turkish Airlines logo]()
$828
Last-minute flights from Seattle to Otopeni IntlDiscover last-minute flight deals from Seattle to Otopeni Intl. Data last updated July 26, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Otopeni Intl. Data last updated July 26, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 7/22. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/193:30 pm
SEA
- OTP
2 stops23h 40m
Multiple Airlines
Wed 8/261:45 pm
OTP
- SEA
1 stop32h 10m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$807
This deal was found by Cheapflights users on 7/24. 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 8/257:15 pm
SEA
- OTP
1 stop15h 00m
Turkish Airlines
Fri 10/29:30 am
OTP
- SEA
1 stop17h 50m
Turkish Airlines
Deal found 7/24![Turkish Airlines logo]()
$762
This deal was found by Cheapflights users on 7/24. 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 8/257:15 pm
SEA
- OTP
1 stop15h 00m
Turkish Airlines
Thu 10/19:30 am
OTP
- SEA
1 stop17h 50m
Turkish Airlines
Deal found 7/24![Turkish Airlines logo]()
$763
This deal was found by Cheapflights users on 7/24. 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 8/257:15 pm
SEA
- OTP
1 stop15h 00m
Turkish Airlines
Wed 9/309:30 am
OTP
- SEA
1 stop17h 50m
Turkish Airlines
Deal found 7/24![Turkish Airlines logo]()
$781
This deal was found by Cheapflights users on 7/24. 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 8/257:15 pm
SEA
- OTP
1 stop15h 00m
Turkish Airlines
Tue 9/2912:05 pm
OTP
- SEA
1 stop15h 15m
Turkish Airlines
Deal found 7/24![Turkish Airlines logo]()
$784
This Kiwi.com deal was found by Cheapflights users on 7/23. 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 8/256:50 pm
SEA
- OTP
1 stop20h 20m
Multiple Airlines
Tue 2/164:40 pm
OTP
- SEA
2 stops39h 49m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$785
This Gotogate deal was found by Cheapflights users on 7/23. 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.
Tue 8/256:50 pm
SEA
- OTP
1 stop13h 45m
Lufthansa
Tue 1/127:20 pm
OTP
- SEA
1 stop27h 40m
Lufthansa
Deal found 7/23![Lufthansa logo]()
$806
This Mytrip deal was found by Cheapflights users on 7/23. 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 8/257:00 pm
SEA
- OTP
2 stops19h 35m
Multiple Airlines
Tue 1/126:20 am
OTP
- SEA
2 stops20h 40m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$816
This deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/267:15 pm
SEA
- OTP
1 stop15h 00m
Turkish Airlines
Fri 10/29:30 am
OTP
- SEA
1 stop17h 50m
Turkish Airlines
Deal found 7/24![Turkish Airlines logo]()
$766
This deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/267:15 pm
SEA
- OTP
1 stop15h 00m
Turkish Airlines
Thu 10/112:05 pm
OTP
- SEA
1 stop15h 15m
Turkish Airlines
Deal found 7/24![Turkish Airlines logo]()
$768
This Kiwi.com deal was found by Cheapflights users on 7/24. 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 8/283:40 pm
SEA
- OTP
2 stops34h 00m
Multiple Airlines
Fri 9/48:35 am
OTP
- SEA
1 stop17h 25m
Multiple Airlines
Deal found 7/24![Multiple Airlines logo]()
$794
This Expedia deal was found by Cheapflights users on 7/24. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/283:55 pm
SEA
- OTP
2 stops21h 50m
Scandinavian Airlines
Fri 9/44:50 pm
OTP
- SEA
2 stops30h 55m
Scandinavian Airlines
Deal found 7/24![Scandinavian Airlines logo]()
$813
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 July 26, 2026.
Search for one-way flight options from Seattle to Otopeni Intl. Find affordable one-way fares based on user searches. Data last updated July 26, 2026.
This Mytrip deal was found by Cheapflights users on 7/25. 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.
Fri 10/23:40 pm
SEA
- OTP
2 stops22h 55m
Multiple Airlines
Deal found 7/25![Multiple Airlines logo]()
$254
This Air France deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/232:05 pm
SEA
- OTP
1 stop20h 05m
Air France
Deal found 7/22![Air France logo]()
$350
This Delta deal was found by Cheapflights users on 7/22. 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.
Wed 12/232:30 pm
SEA
- OTP
2 stops22h 45m
Delta
Deal found 7/22![Delta logo]()
$355
This Delta deal was found by Cheapflights users on 7/22. 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.
Tue 12/227:59 pm
SEA
- OTP
2 stops56h 11m
Delta
Deal found 7/22![Delta logo]()
$368
This Kiwi.com deal was found by Cheapflights users on 7/23. 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 9/411:25 pm
SEA
- OTP
3 stops52h 15m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$391
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 9/106:50 pm
SEA
- OTP
3 stops36h 50m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$393
This Kiwi.com deal was found by Cheapflights users on 7/25. 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 8/167:00 pm
SEA
- OTP
2 stops35h 50m
Multiple Airlines
Deal found 7/25![Multiple Airlines logo]()
$397
This Turkish Airlines deal was found by Cheapflights users on 7/22. 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 9/107:15 pm
SEA
- OTP
1 stop30h 50m
Turkish Airlines
Deal found 7/22![Turkish Airlines logo]()
$440
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 July 26, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $697 (lastminute.com) |
One-way from | $254 (Mytrip) |
Popular in | December |
Cheapest in | October |
Average price | $992 |
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 July 26, 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
Wed 10/21
7:15 pm-8:10 am
1 stop26h 55m
Bucharest Otopeni Intl
Tue 11/3
3:35 pm-6:10 pm
1 stop36h 35m
$699
SeattleBucharest
SEA - OTP
SEAOTP
Seattle/Tacoma Intl
Wed 9/23
7:15 pm-8:10 am
1 stop26h 55m
Bucharest Otopeni Intl
Wed 9/30
9:35 pm-5:20 pm
1 stop29h 45m
$699
SeattleBucharest
SEA - OTP
SEAOTP
Seattle/Tacoma Intl
Sat 9/19
7:15 pm-8:15 pm
1 stop15h 00m
Bucharest Otopeni Intl
Thu 4/1
9:35 pm-5:15 pm
1 stop29h 40m
$699
SeattleBucharest
SEA - OTP
SEAOTP
Seattle/Tacoma Intl
Mon 11/9
6:45 pm-2:45 pm
1 stop34h 00m
Bucharest Otopeni Intl
Fri 11/13
8:00 am-4:50 pm
1 stop18h 50m
$760
SeattleBucharest
SEA - OTP
SEAOTP
Seattle/Tacoma Intl
Thu 8/20
7:15 pm-2:35 pm
1 stop33h 20m
Bucharest Otopeni Intl
Wed 10/7
9:30 am-5:20 pm
1 stop17h 50m
$824
SeattleBucharest
SEA - OTP
SEAOTP
Seattle/Tacoma Intl
Thu 9/17
7:15 pm-8:05 pm
2 stops38h 50m
Bucharest Otopeni Intl
Thu 9/24
3:50 pm-5:20 pm
1 stop35h 30m
$828
SeattleBucharest
SEA - OTP
SEAOTP
Seattle/Tacoma Intl
Wed 8/26
7:15 pm-8:15 pm
1 stop15h 00m
Bucharest Otopeni Intl
Sat 10/3
12:05 pm-5:20 pm
1 stop15h 15m
$828
SeattleBucharest
SEA - OTP
SEAOTP
Seattle/Tacoma Intl
Wed 8/19
7:15 am-1:40 pm
2 stops20h 25m
Bucharest Otopeni Intl
Wed 8/26
7:05 am-4:13 pm
2 stops19h 08m
$829
SeattleBucharest
SEA - OTP
SEAOTP
Seattle/Tacoma Intl
Mon 9/7
6:45 pm-12:45 pm
1 stop32h 00m
Bucharest Otopeni Intl
Mon 9/21
2:00 pm-11:47 am
1 stop31h 47m
$832
Quickest round-trip
SeattleBucharest
SEA - OTP
SEAOTP
Seattle/Tacoma Intl
Wed 9/9
6:50 pm-6:35 pm
1 stop13h 45m
Bucharest Otopeni Intl
Wed 9/16
6:05 am-11:55 am
1 stop15h 50m
$833
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 July.
| 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 | |
| Price Accuracy- | Trust Score*1 star |
- 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
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What is the cheapest month to book a flight from Seattle to Bucharest Otopeni Intl Airport?
Currently, October is the cheapest month in which you can book a flight from Seattle to Bucharest Otopeni Intl Airport (average of $596). Flying from Seattle to Bucharest Otopeni Intl Airport in December is currently the most expensive (average of $1,245). 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?
Airfare is below average for this route at the moment.
Seattle to Bucharest Otopeni Intl Airport flights typically cost between $809 and $1,136 in September.The cheapest round-trip price found within the last 5 days was $697 on Turkish Airlines (Sep 7-Sep 22).
What’s the top layover airport for flights from Seattle to Bucharest Otopeni Intl Airport?
Share of 1-stop round-trip flights from Seattle to Bucharest Otopeni Intl Airport chosen by Cheapflights users in the past 12 months, using the same layover each way.
Frankfurt am Main (FRA) – chosen by Cheapflights users on 50% of 1-stop itineraries from Seattle to Bucharest Otopeni Intl Airport on Cheapflights.
What’s the cheapest layover airport for flights from Seattle to Bucharest Otopeni Intl Airport?
Average round-trip fare for 1-stop flights from Seattle to Bucharest Otopeni Intl Airport, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Amsterdam (AMS) is the most affordable 1-stop option, with an average round-trip price of $733.
What’s the fastest layover option from Seattle to Bucharest Otopeni Intl Airport?
Shortest average travel time for 1-stop one-way flights from Seattle to Bucharest Otopeni Intl Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Frankfurt am Main (FRA) have the shortest average one-way travel time for 1-stop routes: 13h 55m.
Which airport typically offers the quickest layover for flights from Seattle to Bucharest Otopeni Intl Airport?
Average layover duration for 1-stop one-way flights from Seattle to Bucharest Otopeni Intl Airport, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Frankfurt am Main (FRA) offer the fastest connection on this route, with an average layover time of 2h 05m.
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 July 26, 2026.
Peruse reviews from past customers who have flown with KLM,Delta, 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.
Comfort
7.7
Entertainment
7.2
Food
7.3
Overall
7.8
Crew
8.4
Boarding
7.8
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Comfort
7.7
Entertainment
7.2
Food
7.3
Overall
7.8
Crew
8.4
Boarding
7.8
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Comfort
7.7
Entertainment
7.2
Food
7.3
Overall
7.8
Crew
8.4
Boarding
7.8
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Comfort
7.7
Entertainment
7.2
Food
7.3
Overall
7.8
Crew
8.4
Boarding
7.8
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Comfort
7.7
Entertainment
7.2
Food
7.3
Overall
7.8
Crew
8.4
Boarding
7.8
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Comfort
7.7
Entertainment
7.2
Food
7.3
Overall
7.8
Crew
8.4
Boarding
7.8
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
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Top 4 airlines flying from Seattle to Otopeni Intl
Discover the top 4 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 July 26, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$539 | Average$626 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$548 | Average$912 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$552 | Average$777 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$587 | Average$827 | FlexibilityNo cancel fee | On-time77% |