$332+ Cheap flights from Seattle (SEA) to Bucharest (BUH)
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 10/13. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BUH
Jun 6 — Jun 131
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Seattle to Bucharest with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Seattle to Bucharest
Cheapest
Best
Last-minute
One-way
Cheapest flights from Seattle to BucharestExplore the most affordable flight options available from Seattle to Bucharest. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 7, 2026.
Explore the most affordable flight options available from Seattle to Bucharest. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 7, 2026.
This Gotogate deal was found by Cheapflights users on 5/3. 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.
Thu 11/127:00 pm
SEA
- OTP
1 stop15h 30m
Turkish Airlines
Wed 1/207:25 pm
OTP
- SEA
1 stop31h 40m
Turkish Airlines
Deal found 5/3![Turkish Airlines logo]()
$738
This FlightHub deal was found by Cheapflights users on 5/3. 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.
Tue 9/17:10 pm
SEA
- OTP
2 stops25h 30m
Turkish Airlines
Mon 10/57:35 am
OTP
- SEA
1 stop19h 40m
Turkish Airlines
Deal found 5/3![Turkish Airlines logo]()
$745
This deal was found by Cheapflights users on 5/3. 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
Wed 10/79:30 am
OTP
- SEA
1 stop17h 45m
Turkish Airlines
Deal found 5/3![Turkish Airlines logo]()
$746
This FlightHub deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/187:10 pm
SEA
- OTP
1 stop27h 00m
Turkish Airlines
Wed 9/303:55 pm
OTP
- SEA
1 stop35h 20m
Turkish Airlines
Deal found 5/4![Turkish Airlines logo]()
$749
This Air France deal was found by Cheapflights users on 5/3. 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 11/182:05 pm
SEA
- OTP
1 stop20h 05m
Multiple Airlines
Mon 1/184:50 pm
OTP
- SEA
1 stop29h 00m
Multiple Airlines
Deal found 5/3![Multiple Airlines logo]()
$750
This deal was found by Cheapflights users on 5/3. 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.
Sun 8/307:10 pm
SEA
- OTP
1 stop15h 05m
Turkish Airlines
Wed 10/79:30 am
OTP
- SEA
1 stop17h 45m
Turkish Airlines
Deal found 5/3![Turkish Airlines logo]()
$753
This deal was found by Cheapflights users on 5/3. 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.
Sun 8/307:10 pm
SEA
- OTP
1 stop15h 05m
Turkish Airlines
Fri 10/29:30 am
OTP
- SEA
1 stop17h 45m
Turkish Airlines
Deal found 5/3![Turkish Airlines logo]()
$754
This deal was found by Cheapflights users on 5/3. 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.
Sun 8/307:10 pm
SEA
- OTP
1 stop15h 05m
Turkish Airlines
Thu 10/89:30 am
OTP
- SEA
1 stop17h 45m
Turkish Airlines
Deal found 5/3![Turkish Airlines logo]()
$756
This Orbitz deal was found by Cheapflights users on 5/3. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/182:46 pm
SEA
- OTP
2 stops22h 44m
British Airways
Mon 1/188:25 pm
OTP
- SEA
1 stop25h 05m
British Airways
Deal found 5/3![British Airways logo]()
$760
This FlightHub deal was found by Cheapflights users on 5/3. 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.
Thu 9/177:10 pm
SEA
- OTP
1 stop15h 05m
Turkish Airlines
Thu 10/19:30 am
OTP
- SEA
1 stop17h 45m
Turkish Airlines
Deal found 5/3![Turkish Airlines logo]()
$763
This Air Canada deal was found by Cheapflights users on 5/3. 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.
Wed 9/28:00 am
SEA
- OTP
2 stops18h 00m
Air Canada
Wed 10/76:05 am
OTP
- SEA
2 stops22h 27m
Air Canada
Deal found 5/3![Air Canada logo]()
$779
Best flights from Seattle to BucharestDiscover carefully curated flight deals from Seattle to Bucharest that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 7, 2026.
Discover carefully curated flight deals from Seattle to Bucharest that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 7, 2026.
This Delta deal was found by Cheapflights users on 5/3. 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 9/216:05 am
SEA
- OTP
2 stops20h 40m
Delta
Thu 10/12:00 pm
OTP
- SEA
1 stop36h 39m
Delta
Deal found 5/3![Delta logo]()
$789
This United Airlines deal was found by Cheapflights users on 5/3. 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 8/308:50 am
SEA
- OTP
2 stops30h 20m
United Airlines
Tue 10/66:15 am
OTP
- SEA
2 stops24h 49m
United Airlines
Deal found 5/3![United Airlines logo]()
$801
This FlightHub deal was found by Cheapflights users on 5/6. 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 5/277:10 pm
SEA
- OTP
1 stop15h 05m
Turkish Airlines
Wed 7/159:30 am
OTP
- SEA
1 stop17h 45m
Turkish Airlines
Deal found 5/6![Turkish Airlines logo]()
$836
This Gotogate deal was found by Cheapflights users on 5/2. 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 6/13:00 pm
SEA
- OTP
2 stops17h 35m
Multiple Airlines
Thu 6/116:20 am
OTP
- SEA
2 stops22h 10m
Multiple Airlines
Deal found 5/2![Multiple Airlines logo]()
$916
This United Airlines deal was found by Cheapflights users on 5/2. 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 10/411:03 am
SEA
- OTP
2 stops28h 07m
United Airlines
Mon 10/1212:45 pm
OTP
- SEA
2 stops43h 11m
United Airlines
Deal found 5/2![United Airlines logo]()
$813
This United Airlines deal was found by Cheapflights users on 5/3. 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.
Thu 9/36:50 pm
SEA
- OTP
1 stop13h 45m
United Airlines
Wed 10/76:05 am
OTP
- SEA
2 stops22h 24m
United Airlines
Deal found 5/3![United Airlines logo]()
$831
This Delta deal was found by Cheapflights users on 5/4. 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.
Fri 8/141:50 pm
SEA
- OTP
1 stop17h 30m
Delta
Tue 8/187:05 am
OTP
- SEA
2 stops19h 08m
Delta
Deal found 5/4![Delta logo]()
$945
This United Airlines deal was found by Cheapflights users on 5/3. 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.
Thu 9/36:50 pm
SEA
- OTP
1 stop13h 45m
United Airlines
Tue 10/66:05 am
OTP
- SEA
2 stops22h 54m
United Airlines
Deal found 5/3![United Airlines logo]()
$831
This United Airlines deal was found by Cheapflights users on 5/2. 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.
Fri 10/22:15 pm
SEA
- OTP
2 stops24h 55m
United Airlines
Sat 10/106:05 am
OTP
- SEA
1 stop16h 15m
United Airlines
Deal found 5/2![United Airlines logo]()
$912
This United Airlines deal was found by Cheapflights users on 5/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/138:15 am
SEA
- OTP
2 stops17h 45m
United Airlines
Tue 7/286:05 am
OTP
- SEA
2 stops37h 35m
United Airlines
Deal found 5/5![United Airlines logo]()
$935
This United Airlines deal was found by Cheapflights users on 5/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/138:15 am
SEA
- OTP
2 stops17h 45m
United Airlines
Mon 7/271:50 pm
OTP
- SEA
1 stop32h 05m
United Airlines
Deal found 5/5![United Airlines logo]()
$940
This United Airlines deal was found by Cheapflights users on 5/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/155:20 pm
SEA
- OTP
2 stops21h 50m
United Airlines
Wed 7/291:45 pm
OTP
- SEA
1 stop32h 10m
United Airlines
Deal found 5/5![United Airlines logo]()
$940
Last-minute flights from Seattle to BucharestDiscover last-minute flight deals from Seattle to Bucharest. Data last updated May 7, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Bucharest. Data last updated May 7, 2026 and is based on user searches.
This Booking.com deal was found by Cheapflights users on 5/3. 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.
Sun 5/107:10 pm
SEA
- OTP
1 stop30h 20m
Turkish Airlines
Mon 5/255:05 pm
OTP
- SEA
2 stops34h 10m
Turkish Airlines
Deal found 5/3![Turkish Airlines logo]()
$896
This Gotogate deal was found by Cheapflights users on 5/5. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/217:10 pm
SEA
- OTP
1 stop33h 25m
Turkish Airlines
Wed 6/33:55 pm
OTP
- SEA
1 stop35h 20m
Turkish Airlines
Deal found 5/5![Turkish Airlines logo]()
$830
This FlightHub deal was found by Cheapflights users on 5/5. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/277:10 pm
SEA
- OTP
1 stop33h 25m
Turkish Airlines
Wed 7/159:30 am
OTP
- SEA
1 stop17h 45m
Turkish Airlines
Deal found 5/5![Turkish Airlines logo]()
$866
This oojo deal was found by Cheapflights users on 5/5. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/287:10 pm
SEA
- OTP
1 stop30h 55m
Turkish Airlines
Mon 6/13:55 pm
OTP
- SEA
1 stop35h 20m
Turkish Airlines
Deal found 5/5![Turkish Airlines logo]()
$829
This Booking.com deal was found by Cheapflights users on 5/2. 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 6/17:10 pm
SEA
- OTP
1 stop33h 25m
Turkish Airlines
Thu 6/119:35 am
OTP
- SEA
1 stop17h 40m
Turkish Airlines
Deal found 5/2![Turkish Airlines logo]()
$835
This FlightHub deal was found by Cheapflights users on 5/4. 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.
Mon 6/17:10 pm
SEA
- OTP
1 stop27h 00m
Turkish Airlines
Mon 6/89:30 am
OTP
- SEA
1 stop17h 45m
Turkish Airlines
Deal found 5/4![Turkish Airlines logo]()
$844
This Mytrip deal was found by Cheapflights users on 5/4. 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 6/17:00 pm
SEA
- OTP
3 stops33h 20m
Multiple Airlines
Mon 6/84:30 am
OTP
- SEA
3 stops26h 10m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$891
This FlightHub deal was found by Cheapflights users on 5/5. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/17:10 pm
SEA
- OTP
1 stop15h 05m
Turkish Airlines
Tue 6/309:30 am
OTP
- SEA
1 stop17h 45m
Turkish Airlines
Deal found 5/5![Turkish Airlines logo]()
$894
This FlightHub deal was found by Cheapflights users on 5/5. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/37:10 pm
SEA
- OTP
1 stop15h 05m
Turkish Airlines
Wed 7/229:30 am
OTP
- SEA
1 stop17h 45m
Turkish Airlines
Deal found 5/5![Turkish Airlines logo]()
$872
One-way flights from Seattle to BucharestSearch for one-way flight options from Seattle to Bucharest. Find affordable one-way fares based on user searches. Data last updated May 7, 2026.
Search for one-way flight options from Seattle to Bucharest. Find affordable one-way fares based on user searches. Data last updated May 7, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/6. 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.
Tue 10/133:40 pm
SEA
- OTP
2 stops39h 15m
Multiple Airlines
Deal found 5/6![Multiple Airlines logo]()
$332
This Kiwi.com deal was found by Cheapflights users on 5/4. 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 7/157:00 pm
SEA
- OTP
3 stops42h 10m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$335
This Cheapflightsfares deal was found by Cheapflights users on 5/6. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/131:30 pm
SEA
- OTP
1 stop15h 55m
British Airways
Deal found 5/6![British Airways logo]()
$341
This Kiwi.com deal was found by Cheapflights users on 5/4. 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 7/167:00 pm
SEA
- OTP
3 stops36h 40m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$363
This Kiwi.com deal was found by Cheapflights users on 5/4. 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 7/143:40 pm
SEA
- OTP
3 stops24h 20m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$366
This Kiwi.com deal was found by Cheapflights users on 5/4. 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 7/1811:25 pm
SEA
- OTP
2 stops39h 10m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$421
This Kiwi.com deal was found by Cheapflights users on 5/4. 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 7/173:40 pm
SEA
- OTP
3 stops41h 30m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$441
This Kiwi.com deal was found by Cheapflights users on 5/4. 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 7/123:40 pm
SEA
- OTP
2 stops23h 55m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$449
Find flight deals from Seattle to Bucharest
Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Bucharest (BUH). 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 May 7, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $745 (FlightHub) |
One-way from | $332 (Kiwi.com) |
Popular in | December |
Cheapest in | January |
Average price | $710 |
Cheapflights Fare Finder
Customize your flight search to find flights from Seattle to Bucharest 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 May 7, 2026.
Use the filters below to find and compare flights from Seattle to Bucharest that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
SeattleBucharest
SEA - OTP
SEAOTP
Seattle/Tacoma Intl
Mon 9/21
6:05 am-12:45 pm
2 stops20h 40m
Bucharest Otopeni Intl
Thu 10/1
2:00 pm-4:39 pm
1 stop36h 39m
$789
SeattleBucharest
SEA - OTP
SEAOTP
Seattle/Tacoma Intl
Sun 8/30
8:50 am-1:10 am
2 stops30h 20m
Bucharest Otopeni Intl
Tue 10/6
6:15 am-9:04 pm
2 stops24h 49m
$801
SeattleBucharest
SEA - OTP
SEAOTP
Seattle/Tacoma Intl
Sun 10/4
11:03 am-1:10 am
2 stops28h 07m
Bucharest Otopeni Intl
Mon 10/12
12:45 pm-9:56 pm
2 stops43h 11m
$813
SeattleBucharest
SEA - OTP
SEAOTP
Seattle/Tacoma Intl
Thu 9/3
6:50 pm-6:35 pm
1 stop13h 45m
Bucharest Otopeni Intl
Wed 10/7
6:05 am-6:29 pm
2 stops22h 24m
$831
SeattleBucharest
SEA - OTP
SEAOTP
Seattle/Tacoma Intl
Thu 9/3
6:50 pm-6:35 pm
1 stop13h 45m
Bucharest Otopeni Intl
Tue 10/6
6:05 am-6:59 pm
2 stops22h 54m
$831
Quickest round-trip
SeattleBucharest
SEA - OTP
SEAOTP
Seattle/Tacoma Intl
Wed 5/27
7:10 pm-8:15 pm
1 stop15h 05m
Bucharest Otopeni Intl
Wed 7/15
9:30 am-5:15 pm
1 stop17h 45m
$836
SeattleBucharest
SEA - OTP
SEAOTP
Seattle/Tacoma Intl
Fri 10/2
2:15 pm-1:10 am
2 stops24h 55m
Bucharest Otopeni Intl
Sat 10/10
6:05 am-12:20 pm
1 stop16h 15m
$912
SeattleBucharest
SEA - OTP
SEAOTP
Seattle/Tacoma Intl
Mon 6/1
3:00 pm-6:35 pm
2 stops17h 35m
Bucharest Otopeni Intl
Thu 6/11
6:20 am-6:30 pm
2 stops22h 10m
$916
SeattleBucharest
SEA - OTP
SEAOTP
Seattle/Tacoma Intl
Mon 7/13
8:15 am-12:00 pm
2 stops17h 45m
Bucharest Otopeni Intl
Tue 7/28
6:05 am-9:40 am
2 stops37h 35m
$935
SeattleBucharest
SEA - OTP
SEAOTP
Seattle/Tacoma Intl
Mon 7/13
8:15 am-12:00 pm
2 stops17h 45m
Bucharest Otopeni Intl
Mon 7/27
1:50 pm-11:55 am
1 stop32h 05m
$940
Showing 1-10 of 23 resultsSorted by cheapest first
Compare providers for flights from Seattle to Bucharest
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 Bucharest in May.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | 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 flights, users find the pricing of Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on Seattle-Bucharest flight deals on Cheapflights vs. Ovago >95% of the time. Price accuracy is based on data collected from Seattle-Bucharest flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Seattle-Bucharest flights, Cheapflights users trust Ovago the most. Ovago 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 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 Bucharest
Have a flexible travel schedule? Discover the best time to fly to Bucharest from Seattle with our price prediction graph.
SEA-BUH
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
SEA-BUH
SEA-OTP
How far ahead should I book a flight from Seattle to Bucharest?
The price you pay for your flight from Seattle to Bucharest may vary depending on when you book. For the best chance of a lower fare, look to book 61 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from Seattle to Bucharest?
Currently, July is the cheapest month in which you can book a flight from Seattle to Bucharest (average of $457). Flying from Seattle to Bucharest in June is currently the most expensive (average of $712). 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?
What’s the top layover airport for flights from Seattle to Bucharest?
Share of 1-stop round-trip flights from Seattle to Bucharest chosen by Cheapflights users in the past 12 months, using the same layover each way.
Istanbul (IST) – chosen by Cheapflights users on 44% of 1-stop itineraries from Seattle to Bucharest on Cheapflights.
What’s the cheapest layover airport for flights from Seattle to Bucharest?
Average round-trip fare for 1-stop flights from Seattle to Bucharest, chosen by Cheapflights users in the past 12 months, with the same layover each way.
London (LHR) is the most affordable 1-stop option, with an average round-trip price of $503.
What’s the fastest layover option from Seattle to Bucharest?
Shortest average travel time for 1-stop one-way flights from Seattle to Bucharest, 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?
Average layover duration for 1-stop one-way flights from Seattle to Bucharest, 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 10m.
Reviews of airlines servicing Bucharest
Get insights into the airlines that provide service to Bucharest. 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 Bucharest. Reviews last updated May 7, 2026.
Peruse reviews from past customers who have flown with Delta,KLM, andTurkish Airlines from Seattle to Bucharest 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
8.1
Crew
8.5
Food
7.2
Entertainment
7.8
Overall
7.9
Comfort
7.9
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
Boarding
8.1
Crew
8.5
Food
7.2
Entertainment
7.8
Overall
7.9
Comfort
7.9
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
Boarding
8.1
Crew
8.5
Food
7.2
Entertainment
7.8
Overall
7.9
Comfort
7.9
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
Boarding
8.1
Crew
8.5
Food
7.2
Entertainment
7.8
Overall
7.9
Comfort
7.9
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
Boarding
8.1
Crew
8.5
Food
7.2
Entertainment
7.8
Overall
7.9
Comfort
7.9
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
Boarding
8.1
Crew
8.5
Food
7.2
Entertainment
7.8
Overall
7.9
Comfort
7.9
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
Related info for your journey
Find useful and relevant information for your journey from Seattle to Bucharest. 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?
Book flights to Bucharest if you plan to visit one of these locationsOtopeni
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Bucharest flight routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from Seattle
Popular flights
Alternative routes for Seattle to Bucharest
See prices for flight routes from nearby airports that may be better suited for you.
Other flights to Bucharest
Explore flights to Bucharest departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on May 7, 2026.
Complete your trip
Complete your trip to Bucharest by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Seattle to Bucharest by cabin class
Find flights from Seattle to Bucharest, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Seattle and Bucharest flights
Browse other Seattle and Bucharest flight options. Last updated on May 7, 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 May 7, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 5 airlines flying from Seattle to Bucharest
Discover the top 5 airlines that operate flights from Seattle to Bucharest. 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 May 7, 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$735 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$584 | Average$652 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$746 | Average$809 | FlexibilityNo cancel fee | On-time77% |