$355+ 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 9/29. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BUH
Sep 6 — Sep 131
Round-trip
1 adult, Economy
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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
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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
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Best
Last-minute
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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 August 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 August 7, 2026.
This Trip.com deal was found by Cheapflights users on 8/6. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/113:40 pm -
3 stops24h 10m
Sun 10/185:35 am -
3 stops25h 05m
Deal found 8/6![Multiple Airlines logo]()
$711
This Mytrip deal was found by Cheapflights users on 8/4. 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 8/247:00 pm -
3 stops34h 20m
Mon 8/3112:30 pm -
2 stops33h 15m
Deal found 8/4![Multiple Airlines logo]()
$714
This Expedia deal was found by Cheapflights users on 8/3. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/227:15 pm -
1 stop15h 00m
Wed 10/289:45 pm -
1 stop29h 25m
Deal found 8/3![Turkish Airlines logo]()
$719
This Expedia deal was found by Cheapflights users on 8/6. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/207:15 pm -
1 stop15h 00m
Wed 10/219:35 pm -
1 stop29h 45m
Deal found 8/6![Turkish Airlines logo]()
$720
This Mytrip deal was found by Cheapflights users on 8/4. 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.
Wed 9/98:00 am -
2 stops22h 55m
Thu 9/172:45 pm -
3 stops31h 10m
Deal found 8/4![Multiple Airlines logo]()
$724
This lastminute.com deal was found by Cheapflights users on 8/6. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/207:15 pm -
1 stop15h 00m
Tue 10/69:30 am -
1 stop17h 50m
Deal found 8/6![Turkish Airlines logo]()
$738
This Turkish Airlines deal was found by Cheapflights users on 8/7. 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.
Wed 10/288:05 pm -
1 stop15h 20m
Thu 11/53:35 pm -
1 stop36h 35m
Deal found 8/7![Turkish Airlines logo]()
$740
This Kiwi.com deal was found by Cheapflights users on 8/6. 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.
Sat 9/263:55 pm -
1 stop17h 00m
Fri 10/26:40 am -
1 stop17h 05m
Deal found 8/6![Multiple Airlines logo]()
$751
This oojo deal was found by Cheapflights users on 8/3. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/46:45 pm -
1 stop35h 00m
Mon 1/114:00 pm -
1 stop29h 25m
Deal found 8/3![British Airways logo]()
$752
This Mytrip deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/203:55 pm -
1 stop22h 40m
Tue 10/65:35 am -
3 stops24h 29m
Deal found 8/6![Multiple Airlines logo]()
$754
This Justfly.com deal was found by Cheapflights users on 8/3. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/42:50 pm -
1 stop17h 40m
Mon 1/114:40 pm -
2 stops38h 08m
Deal found 8/3![Multiple Airlines logo]()
$757
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 August 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 August 7, 2026.
This Turkish Airlines deal was found by Cheapflights users on 8/5. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/237:15 pm -
1 stop33h 20m
Wed 10/289:45 pm -
1 stop29h 25m
Deal found 8/5![Turkish Airlines logo]()
$740
This Expedia deal was found by Cheapflights users on 8/4. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/183:55 pm -
2 stops21h 50m
Fri 9/254:50 pm -
2 stops30h 55m
Deal found 8/4![Scandinavian Airlines logo]()
$784
This KLM deal was found by Cheapflights users on 8/4. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/91:50 pm -
1 stop15h 35m
Thu 9/177:05 am -
1 stop14h 42m
Deal found 8/4![KLM logo]()
$831
This United Airlines deal was found by Cheapflights users on 8/7. 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.
Tue 10/611:13 pm -
2 stops33h 22m
Tue 10/131:50 pm -
3 stops35h 03m
Deal found 8/7![United Airlines logo]()
$844
This Delta deal was found by Cheapflights users on 8/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/97:15 am -
2 stops19h 45m
Thu 9/177:05 am -
2 stops21h 31m
Deal found 8/5![Delta logo]()
$846
This Turkish Airlines deal was found by Cheapflights users on 8/5. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/207:15 pm -
2 stops34h 25m
Sun 10/253:50 pm -
1 stop35h 20m
Deal found 8/5![Turkish Airlines logo]()
$789
This Scandinavian Airlines deal was found by Cheapflights users on 8/6. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/263:55 pm -
2 stops21h 50m
Thu 10/18:35 am -
2 stops39h 10m
Deal found 8/6![Scandinavian Airlines logo]()
$798
This United Airlines deal was found by Cheapflights users on 8/3. 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.
Wed 9/212:15 pm -
3 stops25h 35m
Wed 9/912:45 pm -
1 stop14h 14m
Deal found 8/3![United Airlines logo]()
$846
This Turkish Airlines deal was found by Cheapflights users on 8/6. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/207:15 pm -
2 stops38h 30m
Wed 10/218:35 pm -
1 stop30h 45m
Deal found 8/6![Turkish Airlines logo]()
$789
This United Airlines deal was found by Cheapflights users on 8/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/912:05 pm -
3 stops25h 45m
Thu 9/176:05 am -
1 stop15h 50m
Deal found 8/4![United Airlines logo]()
$846
This Turkish Airlines deal was found by Cheapflights users on 8/4. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/97:15 pm -
1 stop15h 00m
Tue 10/1312:05 pm -
1 stop15h 15m
Deal found 8/4![Turkish Airlines logo]()
$840
Last-minute flights from Seattle to BucharestDiscover last-minute flight deals from Seattle to Bucharest. Data last updated August 7, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Bucharest. Data last updated August 7, 2026 and is based on user searches.
This Mytrip deal was found by Cheapflights users on 8/4. 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 8/247:00 pm -
3 stops34h 20m
Mon 8/3112:30 pm -
2 stops33h 15m
Deal found 8/4![Multiple Airlines logo]()
$714
This Mytrip deal was found by Cheapflights users on 8/4. 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.
Wed 9/98:00 am -
2 stops22h 55m
Thu 9/172:45 pm -
3 stops31h 10m
Deal found 8/4![Multiple Airlines logo]()
$724
This Flightnetwork deal was found by Cheapflights users on 8/3. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/113:55 pm -
2 stops37h 30m
Mon 9/288:35 am -
2 stops39h 10m
Deal found 8/3![Scandinavian Airlines logo]()
$763
This Expedia deal was found by Cheapflights users on 8/6. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/207:15 pm -
1 stop15h 00m
Wed 10/219:35 pm -
1 stop29h 45m
Deal found 8/6![Turkish Airlines logo]()
$720
This lastminute.com deal was found by Cheapflights users on 8/6. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/207:15 pm -
1 stop15h 00m
Tue 10/69:30 am -
1 stop17h 50m
Deal found 8/6![Turkish Airlines logo]()
$738
This Mytrip deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/203:55 pm -
1 stop22h 40m
Tue 10/65:35 am -
3 stops24h 29m
Deal found 8/6![Multiple Airlines logo]()
$754
This Expedia deal was found by Cheapflights users on 8/3. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/227:15 pm -
1 stop15h 00m
Wed 10/289:45 pm -
1 stop29h 25m
Deal found 8/3![Turkish Airlines logo]()
$719
This Turkish Airlines deal was found by Cheapflights users on 8/5. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/237:15 pm -
1 stop33h 20m
Wed 10/289:45 pm -
1 stop29h 25m
Deal found 8/5![Turkish Airlines logo]()
$740
This SmartFares deal was found by Cheapflights users on 8/6. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/253:55 pm -
2 stops45h 50m
Sat 10/38:35 am -
2 stops39h 10m
Deal found 8/6![Scandinavian Airlines logo]()
$778
This Kiwi.com deal was found by Cheapflights users on 8/6. 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.
Sat 9/263:55 pm -
1 stop17h 00m
Fri 10/26:40 am -
1 stop17h 05m
Deal found 8/6![Multiple Airlines logo]()
$751
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 August 7, 2026.
Search for one-way flight options from Seattle to Bucharest. Find affordable one-way fares based on user searches. Data last updated August 7, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/297:00 pm -
3 stops56h 40m
Deal found 8/7![Multiple Airlines logo]()
$355
This Kiwi.com deal was found by Cheapflights users on 8/4. 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 9/1011:25 pm -
2 stops36h 10m
Deal found 8/4![Multiple Airlines logo]()
$374
This Turkish Airlines deal was found by Cheapflights users on 8/7. 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 9/297:15 pm -
1 stop15h 00m
Deal found 8/7![Turkish Airlines logo]()
$440
This Lufthansa deal was found by Cheapflights users on 8/4. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/106:50 pm -
1 stop20h 20m
Deal found 8/4![Lufthansa logo]()
$476
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 August 7, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $711 (Trip.com) |
One-way from | $374 (Kiwi.com) |
Popular in | December |
Cheapest in | January |
Average price | $873 |
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 August 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 Seattle/Tacoma Intl - OTP Bucharest Otopeni Intl
SEAOTP
Seattle/Tacoma Intl
Wed 9/23
7:15 pm-2:35 pm
1 stop33h 20m
Bucharest Otopeni Intl
Wed 10/28
9:45 pm-6:10 pm
1 stop29h 25m
$740
SeattleBucharest
SEA Seattle/Tacoma Intl - OTP Bucharest Otopeni Intl
SEAOTP
Seattle/Tacoma Intl
Fri 9/18
3:55 pm-11:45 pm
2 stops21h 50m
Bucharest Otopeni Intl
Fri 9/25
4:50 pm-1:45 pm
2 stops30h 55m
$784
SeattleBucharest
SEA Seattle/Tacoma Intl - OTP Bucharest Otopeni Intl
SEAOTP
Seattle/Tacoma Intl
Sun 9/20
7:15 pm-3:40 pm
2 stops34h 25m
Bucharest Otopeni Intl
Sun 10/25
3:50 pm-6:10 pm
1 stop35h 20m
$789
SeattleBucharest
SEA Seattle/Tacoma Intl - OTP Bucharest Otopeni Intl
SEAOTP
Seattle/Tacoma Intl
Sun 9/20
7:15 pm-7:45 pm
2 stops38h 30m
Bucharest Otopeni Intl
Wed 10/21
8:35 pm-5:20 pm
1 stop30h 45m
$789
SeattleBucharest
SEA Seattle/Tacoma Intl - OTP Bucharest Otopeni Intl
SEAOTP
Seattle/Tacoma Intl
Sat 9/26
3:55 pm-11:45 pm
2 stops21h 50m
Bucharest Otopeni Intl
Thu 10/1
8:35 am-1:45 pm
2 stops39h 10m
$798
SeattleBucharest
SEA Seattle/Tacoma Intl - OTP Bucharest Otopeni Intl
SEAOTP
Seattle/Tacoma Intl
Wed 9/9
1:50 pm-3:25 pm
1 stop15h 35m
Bucharest Otopeni Intl
Thu 9/17
7:05 am-11:47 am
1 stop14h 42m
$831
Quickest round-trip
SeattleBucharest
SEA Seattle/Tacoma Intl - OTP Bucharest Otopeni Intl
SEAOTP
Seattle/Tacoma Intl
Fri 10/9
7:15 pm-8:15 pm
1 stop15h 00m
Bucharest Otopeni Intl
Tue 10/13
12:05 pm-5:20 pm
1 stop15h 15m
$840
SeattleBucharest
SEA Seattle/Tacoma Intl - OTP Bucharest Otopeni Intl
SEAOTP
Seattle/Tacoma Intl
Tue 10/6
11:13 pm-6:35 pm
2 stops33h 22m
Bucharest Otopeni Intl
Tue 10/13
1:50 pm-2:53 pm
3 stops35h 03m
$844
SeattleBucharest
SEA Seattle/Tacoma Intl - OTP Bucharest Otopeni Intl
SEAOTP
Seattle/Tacoma Intl
Wed 9/9
7:15 am-1:00 pm
2 stops19h 45m
Bucharest Otopeni Intl
Thu 9/17
7:05 am-6:36 pm
2 stops21h 31m
$846
SeattleBucharest
SEA Seattle/Tacoma Intl - OTP Bucharest Otopeni Intl
SEAOTP
Seattle/Tacoma Intl
Wed 9/2
12:15 pm-11:50 pm
3 stops25h 35m
Bucharest Otopeni Intl
Wed 9/9
12:45 pm-4:59 pm
1 stop14h 14m
$846
Showing 1-10 of 15 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 August.
| 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 | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*1 star | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy2 stars | Trust Score*3 stars |
- 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
What is the cheapest month to book a flight from Seattle to Bucharest?
Currently, January is the cheapest month in which you can book a flight from Seattle to Bucharest (average of $539). Flying from Seattle to Bucharest in December is currently the most expensive (average of $1,297). 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?
Airfare is typical for this route at the moment.
Seattle to Bucharest flights typically cost between $666 and $1,024 in October.The cheapest round-trip price found within the last 5 days was $711 on Multiple Airlines (Oct 11-Oct 18).
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.
Frankfurt am Main (FRA) – chosen by Cheapflights users on 40% 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 05m.
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 August 7, 2026.
Peruse reviews from past customers who have flown with KLM,Turkish Airlines, andLufthansa 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.
Comfort
7.7
Boarding
7.8
Entertainment
7.2
Overall
7.8
Crew
8.4
Food
7.3
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Comfort
7.7
Boarding
7.8
Entertainment
7.2
Overall
7.8
Crew
8.4
Food
7.3
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Comfort
7.7
Boarding
7.8
Entertainment
7.2
Overall
7.8
Crew
8.4
Food
7.3
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Comfort
7.7
Boarding
7.8
Entertainment
7.2
Overall
7.8
Crew
8.4
Food
7.3
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Comfort
7.7
Boarding
7.8
Entertainment
7.2
Overall
7.8
Crew
8.4
Food
7.3
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Related info for your journey
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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 August 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$539 | Average$626 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$548 | Average$911 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$584 | Average$895 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$613 | Average$827 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$826 | Average$1,084 | FlexibilityNo cancel fee | On-timeN/A |