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$271+ Cheap flights from Seattle (SEA) to Romania

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 8/6. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — OTP
Jun 25 — Jul 21
Thu 6/25
Thu 7/2
1 adult, Economy
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Cheap flight deals from Seattle to Romania

Cheapest flights from Seattle to Romania
Explore the most affordable flight options available from Seattle to Romania. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 26, 2026.

This Lufthansa deal was found by Cheapflights users on 5/22. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/242:10 pm
SEA
-
IAS
2 stops15h 10m
Lufthansa
Fri 10/95:20 am
IAS
-
SEA
2 stops17h 00m
Lufthansa
Deal found 5/22$623
This Lufthansa deal was found by Cheapflights users on 5/23. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/93:00 pm
SEA
-
CLJ
2 stops23h 30m
Lufthansa
Thu 7/236:00 am
CLJ
-
SEA
1 stop20h 59m
Lufthansa
Deal found 5/23$650
This Gotogate deal was found by Cheapflights users on 5/21. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/193:00 pm
SEA
-
OTP
2 stops24h 10m
Multiple Airlines
Tue 11/246:05 am
OTP
-
SEA
2 stops22h 17m
Multiple Airlines
Deal found 5/21$725
This Gotogate deal was found by Cheapflights users on 5/21. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/206:50 pm
SEA
-
CLJ
1 stop19h 40m
Multiple Airlines
Tue 11/246:00 am
CLJ
-
SEA
2 stops22h 22m
Multiple Airlines
Deal found 5/21$728
This Gotogate deal was found by Cheapflights users on 5/21. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/195:40 am
SEA
-
CLJ
2 stops25h 45m
Multiple Airlines
Tue 11/242:25 pm
CLJ
-
SEA
1 stop32h 35m
Multiple Airlines
Deal found 5/21$738
This Cheapflightsfares deal was found by Cheapflights users on 5/23. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/191:30 pm
SEA
-
OTP
1 stop17h 50m
British Airways
Tue 11/248:00 am
OTP
-
SEA
1 stop18h 55m
British Airways
Deal found 5/23$744
This Justfly.com deal was found by Cheapflights users on 5/23. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/191:56 pm
SEA
-
CLJ
2 stops17h 29m
Lufthansa
Wed 11/256:00 am
CLJ
-
SEA
1 stop17h 00m
Lufthansa
Deal found 5/23$746
This FlightHub deal was found by Cheapflights users on 5/23. 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.
Sun 10/183:00 pm
SEA
-
TSR
2 stops21h 50m
Multiple Airlines
Tue 11/246:05 am
TSR
-
SEA
2 stops22h 17m
Multiple Airlines
Deal found 5/23$746
This Justfly.com deal was found by Cheapflights users on 5/23. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/186:50 pm
SEA
-
CLJ
1 stop12h 35m
Multiple Airlines
Tue 11/246:00 am
CLJ
-
SEA
2 stops22h 22m
Multiple Airlines
Deal found 5/23$747
This United Airlines deal was found by Cheapflights users on 5/23. 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.
Sun 10/186:50 pm
SEA
-
CLJ
1 stop12h 35m
United Airlines
Fri 11/276:00 am
CLJ
-
SEA
1 stop17h 00m
United Airlines
Deal found 5/23$748
This oojo deal was found by Cheapflights users on 5/23. 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.
Tue 10/206:50 pm
SEA
-
CLJ
1 stop19h 40m
Lufthansa
Tue 11/242:25 pm
CLJ
-
SEA
1 stop32h 35m
Lufthansa
Deal found 5/23$750
This FlightHub deal was found by Cheapflights users on 5/23. 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.
Sun 10/186:50 pm
SEA
-
OTP
1 stop20h 20m
Multiple Airlines
Wed 11/256:00 am
OTP
-
SEA
2 stops18h 37m
Multiple Airlines
Deal found 5/23$750

Find flight deals from Seattle to Romania

Keep the following information in mind while searching for Seattle to Romania flight deals. Data was last updated May 26, 2026.

Most accurate provider

Ovago
3 stars

Most trusted provider

Ovago
3 stars

Round-trip from

$623
(Lufthansa)

One-way from

$271
(Trip.com)

Popular in

December

Cheapest in

January

Average price

$755
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 Romania
Search Deals
One-way flight from Seattle/Tacoma Intl to Romania
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($51 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($59 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to Romania 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 26, 2026.
Use the filters below to find and compare flights from Seattle to Romania that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleCluj Napoca

SEA - CLJ

SEACLJ

Seattle/Tacoma Intl

Wed 10/21

7:00 am-5:25 pm

2 stops24h 25m

Cluj Napoca

Wed 11/25

6:00 am-1:00 pm

1 stop17h 00m

$752

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Wed 10/21

6:45 pm-12:45 pm

1 stop32h 00m

Bucharest Otopeni Intl

Thu 11/26

2:00 pm-11:47 am

1 stop31h 47m

$752

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Sun 10/18

6:45 pm-12:45 pm

1 stop32h 00m

Bucharest Otopeni Intl

Mon 11/23

2:00 pm-11:47 am

1 stop31h 47m

$752

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Tue 11/3

1:25 pm-2:45 pm

1 stop15h 20m

Bucharest Otopeni Intl

Fri 11/6

8:00 am-4:55 pm

1 stop18h 55m

$755

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Sun 10/18

7:20 am-12:45 pm

2 stops19h 25m

Bucharest Otopeni Intl

Tue 11/24

2:00 pm-11:47 am

1 stop31h 47m

$755

SeattleCluj Napoca

SEA - CLJ

SEACLJ

Seattle/Tacoma Intl

Sun 10/18

7:00 am-5:25 pm

2 stops24h 25m

Cluj Napoca

Fri 11/27

2:25 pm-12:33 am

2 stops20h 08m

$762
Quickest round-trip

SeattleCluj Napoca

SEA - CLJ

SEACLJ

Seattle/Tacoma Intl

Sun 9/6

6:50 pm-5:25 pm

1 stop12h 35m

Cluj Napoca

Thu 9/10

1:50 pm-4:59 pm

1 stop13h 09m

$765

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Sun 11/8

7:20 am-2:10 pm

2 stops20h 50m

Bucharest Otopeni Intl

Fri 11/13

6:00 am-7:23 pm

2 stops23h 23m

$765

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Tue 10/20

9:55 pm-12:45 pm

2 stops28h 50m

Bucharest Otopeni Intl

Fri 11/27

6:00 am-7:23 pm

2 stops23h 23m

$765

SeattleCluj Napoca

SEA - CLJ

SEACLJ

Seattle/Tacoma Intl

Mon 10/19

7:15 pm-9:05 am

1 stop27h 50m

Cluj Napoca

Tue 11/24

9:15 pm-5:10 pm

1 stop29h 55m

$769

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/20

Showing 1-10 of 58 resultsSorted by cheapest first
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6

Best time to book a flight from Seattle to Romania

Have a flexible travel schedule? Discover the best time to fly to Romania 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 Romania

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

Currently, May is the cheapest month in which you can book a flight from Seattle to Romania (average of $385). Flying from Seattle to Romania 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 far ahead should I book a flight from Seattle to Romania?

To ensure you get the cheapest price possible for a flight from Seattle to Romania, you should look to book at least 44 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

Reviews of airlines servicing Romania

Get insights into the airlines that provide service to Romania. 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 Romania. Reviews last updated May 26, 2026.
Read through reviews of airlines operating flights from Seattle to Romania, such as KLM,Turkish Airlines, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,521 reviews

Crew

8.4

Entertainment

7.2

Overall

7.8

Comfort

7.7

Boarding

7.8

Food

7.3

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
KLM
7.8
Good
1,521 reviews
KLM
7.8
Good
1,521 reviews

Crew

8.4

Entertainment

7.2

Overall

7.8

Comfort

7.7

Boarding

7.8

Food

7.3

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
Turkish Airlines
7.4
Good
4,393 reviews
KLM
7.8
Good
1,521 reviews

Crew

8.4

Entertainment

7.2

Overall

7.8

Comfort

7.7

Boarding

7.8

Food

7.3

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
United Airlines
7.4
Good
9,749 reviews
KLM
7.8
Good
1,521 reviews

Crew

8.4

Entertainment

7.2

Overall

7.8

Comfort

7.7

Boarding

7.8

Food

7.3

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
Lufthansa
6.8
Okay
8,029 reviews
KLM
7.8
Good
1,521 reviews

Crew

8.4

Entertainment

7.2

Overall

7.8

Comfort

7.7

Boarding

7.8

Food

7.3

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
British Airways
6.7
Okay
8,005 reviews
KLM
7.8
Good
1,521 reviews

Crew

8.4

Entertainment

7.2

Overall

7.8

Comfort

7.7

Boarding

7.8

Food

7.3

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

Related info for your journey

Find useful and relevant information for your journey from Seattle to Romania. 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 Romania?

    Most people fly from Seattle/Tacoma Intl (SEA) if they book a flight from Seattle to Romania. Seattle/Tacoma Intl is conveniently located just 11.4 mi from Seattle’s city center.

  • How long is the flight from Seattle to Romania?

    A quick flight from Seattle to Romania can take about 15h 20m. United Airlines provides one of the quickest options available for as low as $755. There are 5791 mi between Seattle and Romania. This flight may include one or multiple stops.

  • What are the most popular routes from Seattle to Romania?

    When deciding which route to take from Seattle to Romania consider Seattle/Tacoma Intl - Bucharest Otopeni Intl, Seattle/Tacoma Intl - Cluj Napoca or Seattle/Tacoma Intl - Timisoara as they are the most popular.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Seattle to Romania 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 Romania?

    Currently, May is the cheapest month in which you can book a flight from Seattle to Romania (average of $385). Flying from Seattle to Romania 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.

See more FAQs

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 Romania

Discover the top 6 airlines that operate flights from Seattle to Romania. 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 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$535Average$943FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$539Average$636FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$546Average$858FlexibilityNo cancel feeOn-time69%
KLMCheapest$552Average$926FlexibilityNo cancel feeOn-time75%
Turkish AirlinesCheapest$584Average$812FlexibilityNo cancel feeOn-time77%
Air FranceCheapest$748Average$809FlexibilityNo cancel feeOn-time77%

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