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$307+ 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 9/13. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BUH
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
1 adult, Economy
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Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Bucharest are usually found in November or October, booked 66 days in advance, depart on a Tuesday or Wednesday and return on a Saturday

Cheap 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 July 31, 2025.

Round-trip from

$527
(Scandinavian Airlines)

One-way from

$323
(Kiwi.com)

Popular in

December

Cheapest in

November

Average price

$1,062
From Seattle/Tacoma Intl to Bucharest (BUH)
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One-way flight from Seattle/Tacoma Intl to Bucharest (BUH)
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Highest demand for flights based on searches. 19% potential increase in price ($223 potential increase over avg. RT price).
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Cheapest flight prices on average. 11% potential price decrease ($98 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find 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 July 31, 2025.

This Scandinavian Airlines deal was found by Cheapflights users on 7/28. 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.
Fri 9/54:00 pmSEA - OTP
1 stop18h 35mScandinavian Airlines
Sun 9/219:25 pmOTP - SEA
2 stops34h 36mScandinavian Airlines
Deal found 7/28$527
This FlightHub deal was found by Cheapflights users on 7/28. 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 10/77:10 pmSEA - OTP
1 stop27h 00mTurkish Airlines
Tue 11/113:30 pmOTP - SEA
1 stop35h 35mTurkish Airlines
Deal found 7/28$566
This Ovago deal was found by Cheapflights users on 7/28. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/282:25 pmSEA - OTP
1 stop23h 30mBritish Airways
Thu 11/68:00 amOTP - SEA
1 stop18h 55mBritish Airways
Deal found 7/28$597
This Justfly.com deal was found by Cheapflights users on 7/30. 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 10/86:50 pmSEA - OTP
1 stop13h 45mMultiple Airlines
Wed 11/125:55 amOTP - SEA
2 stops23h 21mMultiple Airlines
Deal found 7/30$599
This Travelocity deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/82:55 pmSEA - OTP
2 stops17h 40mAir Canada
Wed 11/125:55 amOTP - SEA
2 stops26h 11mAir Canada
Deal found 7/30$605
This Lufthansa deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/86:50 pmSEA - OTP
1 stop13h 45mLufthansa
Wed 11/125:55 amOTP - SEA
2 stops26h 50mLufthansa
Deal found 7/28$616
This United Airlines deal was found by Cheapflights users on 7/28. 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 10/157:00 amSEA - OTP
2 stops25h 35mUnited Airlines
Tue 11/115:55 amOTP - SEA
3 stops53h 04mUnited Airlines
Deal found 7/28$617

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 July 31, 2025.
Use the filters below to find and compare flights from Seattle to Bucharest that are best for you.

Fly from

Seattle

Fly to

Bucharest

Route

Depart

Return

Price

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Fri 9/5

4:00 pm-8:35 pm

1 stop18h 35m

Bucharest Otopeni Intl

Sun 9/21

9:25 pm-10:01 pm

2 stops34h 36m

$527

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Tue 10/7

7:10 pm-8:10 am

1 stop27h 00m

Bucharest Otopeni Intl

Tue 11/11

3:30 pm-5:05 pm

1 stop35h 35m

$566

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Tue 10/28

2:25 pm-10:55 pm

1 stop23h 30m

Bucharest Otopeni Intl

Thu 11/6

8:00 am-4:55 pm

1 stop18h 55m

$597

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Wed 10/8

6:50 pm-6:35 pm

1 stop13h 45m

Bucharest Otopeni Intl

Wed 11/12

5:55 am-7:16 pm

2 stops23h 21m

$599

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Wed 10/8

2:55 pm-6:35 pm

2 stops17h 40m

Bucharest Otopeni Intl

Wed 11/12

5:55 am-10:06 pm

2 stops26h 11m

$605

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Wed 10/8

6:50 pm-6:35 pm

1 stop13h 45m

Bucharest Otopeni Intl

Wed 11/12

5:55 am-10:45 pm

2 stops26h 50m

$616

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Wed 10/15

7:00 am-6:35 pm

2 stops25h 35m

Bucharest Otopeni Intl

Tue 11/11

5:55 am-12:59 am

3 stops53h 04m

$617

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Sat 9/13

9:39 pm-1:35 pm

2 stops53h 56m

$307

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Sun 9/14

4:20 pm-9:10 pm

1 stop18h 50m

$385

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Wed 9/10

8:20 pm-12:25 am

1 stop18h 05m

$468

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Showing 1-10 of 12 results
1
2

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 July 25, 2025.

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, November is the cheapest month in which you can book a flight from Seattle to Bucharest (average of $604). Flying from Seattle to Bucharest in June is currently the most expensive (average of $1,137). 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.

What is the cheapest time of day to fly from SEA to BUH?

Find hourly flight availability from Seattle to Bucharest. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 31, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 31% on flights from Seattle to Bucharest by exploring options for tickets in the evening.

What is the cheapest day to fly from Seattle to Bucharest?

Use this chart to determine the cheapest time to fly round-trip from Seattle to Bucharest. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Seattle to Bucharest flight should consider departing on Sunday evenings when fares are most often at their lowest. Wednesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost to fly round-trip from Seattle to Bucharest?

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 July 31, 2025.
Peruse reviews from past customers who have flown with United Airlines, Turkish Airlines, and Scandinavian 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.
United Airlines
7.4
Good
8,896 reviews

Food

6.6

Comfort

7.3

Crew

8.1

Entertainment

7.1

Boarding

7.7

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,896 reviews
United Airlines
7.4
Good
8,896 reviews

Food

6.6

Comfort

7.3

Crew

8.1

Entertainment

7.1

Boarding

7.7

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Turkish Airlines
7.3
Good
3,928 reviews
United Airlines
7.4
Good
8,896 reviews

Food

6.6

Comfort

7.3

Crew

8.1

Entertainment

7.1

Boarding

7.7

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Scandinavian Airlines
7.3
Good
1,453 reviews
United Airlines
7.4
Good
8,896 reviews

Food

6.6

Comfort

7.3

Crew

8.1

Entertainment

7.1

Boarding

7.7

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Air Canada
7.1
Good
9,837 reviews
United Airlines
7.4
Good
8,896 reviews

Food

6.6

Comfort

7.3

Crew

8.1

Entertainment

7.1

Boarding

7.7

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Lufthansa
6.8
Okay
7,269 reviews
United Airlines
7.4
Good
8,896 reviews

Food

6.6

Comfort

7.3

Crew

8.1

Entertainment

7.1

Boarding

7.7

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

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.

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

    Cheapflights users have booked flights from Seattle to Bucharest round-trip from $527. Other airlines that can offer you cheap pricing are Turkish Airlines, from $566, and British Airways, from $596. Scandinavian Airlines is currently priced 44% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Seattle to Bucharest one-way?

    One-way options have recently been found by users for as low as $385 on Scandinavian Airlines. Other airlines that offer cheap prices include Lufthansa from $473 and British Airways from $520 one-way.

  • 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, November is the cheapest month in which you can book a flight from Seattle to Bucharest (average of $604). Flying from Seattle to Bucharest in June is currently the most expensive (average of $1,137). 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

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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 July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$585Average$970FlexibilityNo cancel feeOn-time76%
Turkish AirlinesCheapest$620Average$930FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$624Average$1,121FlexibilityNo cancel feeOn-time69%
Air FranceCheapest$633Average$807FlexibilityNo cancel feeOn-time77%
DeltaCheapest$684Average$952FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$705Average$924FlexibilityNo cancel feeOn-time75%

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