HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Bucharest

$229+ 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 4/21. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BUH
Apr 24 — May 11
Fri 4/24
Fri 5/1
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 flights from Seattle to Bucharest
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 March 25, 2026.

This Mytrip deal was found by Cheapflights users on 3/23. 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.
Mon 4/203:40 pm
SEA
-
OTP
3 stops24h 10m
Multiple Airlines
Mon 4/275:35 am
OTP
-
SEA
3 stops25h 05m
Multiple Airlines
Deal found 3/23$605
This oojo deal was found by Cheapflights users on 3/24. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/87:00 pm
SEA
-
OTP
1 stop15h 30m
Turkish Airlines
Wed 11/183:30 pm
OTP
-
SEA
1 stop35h 35m
Turkish Airlines
Deal found 3/24$643
This oojo deal was found by Cheapflights users on 3/22. 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.
Thu 4/237:10 pm
SEA
-
OTP
1 stop15h 05m
Turkish Airlines
Thu 4/309:30 am
OTP
-
SEA
1 stop17h 45m
Turkish Airlines
Deal found 3/22$670
This FlightHub deal was found by Cheapflights users on 3/23. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/137:10 pm
SEA
-
OTP
1 stop15h 05m
Turkish Airlines
Tue 4/289:35 pm
OTP
-
SEA
1 stop29h 40m
Turkish Airlines
Deal found 3/23$671
This oojo deal was found by Cheapflights users on 3/23. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/77:10 pm
SEA
-
OTP
1 stop15h 05m
Turkish Airlines
Thu 5/143:55 pm
OTP
-
SEA
1 stop35h 20m
Turkish Airlines
Deal found 3/23$685
This Mytrip deal was found by Cheapflights users on 3/24. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/213:40 pm
SEA
-
OTP
2 stops18h 10m
Multiple Airlines
Tue 4/285:35 am
OTP
-
SEA
3 stops22h 20m
Multiple Airlines
Deal found 3/24$686
This Mytrip deal was found by Cheapflights users on 3/22. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/237:00 pm
SEA
-
OTP
3 stops32h 50m
Multiple Airlines
Thu 4/3012:20 pm
OTP
-
SEA
2 stops18h 20m
Multiple Airlines
Deal found 3/22$690
This oojo deal was found by Cheapflights users on 3/21. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/267:10 pm
SEA
-
OTP
1 stop15h 05m
Turkish Airlines
Sun 10/119:30 am
OTP
-
SEA
1 stop17h 45m
Turkish Airlines
Deal found 3/21$700
This Booking.com deal was found by Cheapflights users on 3/24. 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 9/217:10 pm
SEA
-
OTP
1 stop27h 00m
Turkish Airlines
Wed 9/305:05 pm
OTP
-
SEA
2 stops34h 10m
Turkish Airlines
Deal found 3/24$702
This United Airlines deal was found by Cheapflights users on 3/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/286:50 pm
SEA
-
OTP
1 stop20h 20m
United Airlines
Tue 8/256:15 am
OTP
-
SEA
1 stop20h 44m
United Airlines
Deal found 3/23$703

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 March 25, 2026.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$605
(Mytrip)

One-way from

$229
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$636
Provider with most accurate pricing for Seattle/Tacoma Intl-Bucharest (BUH) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Bucharest (BUH) flights.
Search Deals
From Seattle/Tacoma Intl to Bucharest (BUH)
Search Deals
One-way flight from Seattle/Tacoma Intl to Bucharest (BUH)
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($83 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease ($64 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

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 March 25, 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

Price

Cheapest round-trip
Quickest round-trip

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Wed 4/22

7:10 pm-8:15 pm

1 stop15h 05m

Bucharest Otopeni Intl

Wed 4/29

9:30 am-5:15 pm

1 stop17h 45m

$671

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Sat 7/25

10:40 pm-1:05 pm

2 stops28h 25m

Bucharest Otopeni Intl

Thu 8/27

6:15 am-4:59 pm

1 stop20h 44m

$754

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Fri 4/17

7:10 pm-8:10 pm

1 stop15h 00m

Bucharest Otopeni Intl

Fri 4/24

6:10 pm-5:15 pm

2 stops33h 05m

$768

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Mon 9/21

6:24 am-1:20 am

2 stops32h 56m

Bucharest Otopeni Intl

Wed 9/30

4:15 pm-9:09 pm

2 stops38h 54m

$782

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Tue 7/28

3:33 pm-1:05 am

2 stops23h 32m

Bucharest Otopeni Intl

Sat 8/29

6:20 am-11:24 pm

2 stops27h 04m

$797

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Sun 7/26

6:50 pm-6:35 pm

1 stop13h 45m

Bucharest Otopeni Intl

Mon 8/31

6:05 am-9:56 pm

2 stops25h 51m

$806

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Thu 4/23

7:15 am-1:00 pm

2 stops19h 45m

Bucharest Otopeni Intl

Thu 4/30

7:05 am-11:40 am

1 stop14h 35m

$818

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Sat 8/1

10:40 pm-12:00 pm

2 stops27h 20m

Bucharest Otopeni Intl

Tue 8/11

12:45 pm-4:59 pm

1 stop14h 14m

$818

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Sun 4/19

3:48 pm-1:10 am

2 stops23h 22m

Bucharest Otopeni Intl

Sun 4/26

6:15 am-10:33 pm

2 stops26h 18m

$828

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Sat 4/18

7:10 pm-9:10 am

2 stops28h 00m

Bucharest Otopeni Intl

Sat 4/25

9:30 am-5:15 pm

1 stop17h 45m

$834

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/22

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 March.
ProviderPrice AccuracyTrust Score*
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
oojoPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Seattle-Bucharest flights, users find the pricing of Justfly.com to be most consistent on Cheapflights vs. Justfly.com Users can find the same prices on Seattle-Bucharest flight deals on Cheapflights vs. Justfly.com >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 Justfly.com the most. Justfly.com 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.
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

How far ahead should I book a flight from Seattle to Bucharest?

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Bucharest. Price data was last updated on March 13, 2026.

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 66 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, October is the cheapest month in which you can book a flight from Seattle to Bucharest (average of $536). Flying from Seattle to Bucharest in June is currently the most expensive (average of $805). 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 50% 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 March 25, 2026.
Peruse reviews from past customers who have flown with KLM,Air France, 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.
KLM
7.8
Good
1,477 reviews

Boarding

7.8

Food

7.3

Entertainment

7.1

Overall

7.8

Crew

8.4

Comfort

7.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
KLM
7.8
Good
1,477 reviews
KLM
7.8
Good
1,477 reviews

Boarding

7.8

Food

7.3

Entertainment

7.1

Overall

7.8

Crew

8.4

Comfort

7.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
Air France
7.4
Good
1,552 reviews
KLM
7.8
Good
1,477 reviews

Boarding

7.8

Food

7.3

Entertainment

7.1

Overall

7.8

Crew

8.4

Comfort

7.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
Turkish Airlines
7.4
Good
4,275 reviews
KLM
7.8
Good
1,477 reviews

Boarding

7.8

Food

7.3

Entertainment

7.1

Overall

7.8

Crew

8.4

Comfort

7.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
Lufthansa
6.8
Okay
7,867 reviews
KLM
7.8
Good
1,477 reviews

Boarding

7.8

Food

7.3

Entertainment

7.1

Overall

7.8

Crew

8.4

Comfort

7.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
British Airways
6.7
Okay
7,818 reviews
KLM
7.8
Good
1,477 reviews

Boarding

7.8

Food

7.3

Entertainment

7.1

Overall

7.8

Crew

8.4

Comfort

7.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

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.

  • What airport do you fly from for flights from Seattle to Bucharest?

    If you book a flight to Bucharest from Seattle, you will be flying from Seattle/Tacoma Intl, which is the city’s only airport. Seattle/Tacoma Intl (SEA) is located 11.4 mi from the center of Seattle. There are 0 flights from Seattle/Tacoma Intl to Bucharest per day from 6 different airlines.

  • How long is the flight from Seattle to Bucharest?

    Turkish Airlines can get you from Seattle to Bucharest in just under 15h 05m. Your travel time can differ by up to . There are 5791 mi between Seattle and Bucharest.

  • What are the cheapest airlines flying from Seattle to Bucharest round-trip?

    Cheapflights users have booked flights from Seattle to Bucharest round-trip from $539. Other airlines that can offer you cheap pricing are Lufthansa, from $548, and KLM, from $584. British Airways is currently priced 32% below the average price you’ll pay for this route.

  • Can I find deals for flights from Seattle to Bucharest that include hotel bookings?

    Yes. In addition to deals on Seattle to Bucharest flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Bucharest?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Bucharest.

  • Can I find deals for business class flights from Seattle to Bucharest?

    Yes. Cheapflights offers flight deals from Seattle to Bucharest by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Seattle to Bucharest?

    Currently, October is the cheapest month in which you can book a flight from Seattle to Bucharest (average of $536). Flying from Seattle to Bucharest in June is currently the most expensive (average of $805). 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.

See more FAQs

Traveling to a place near Bucharest?

Book flights to Bucharest if you plan to visit one of these locations
Otopeni

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.

Top 6 airlines flying from Seattle to Bucharest

Discover the top 6 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 March 25, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$539Average$636FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$548Average$896FlexibilityNo cancel feeOn-time76%
KLMCheapest$584Average$735FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$585Average$980FlexibilityNo cancel feeOn-time69%
Turkish AirlinesCheapest$587Average$705FlexibilityNo cancel feeOn-time77%
Air FranceCheapest$746Average$809FlexibilityNo cancel feeOn-time77%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
©2026 Cheapflights