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$408+ 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 7/16. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — OTP
Feb 26 — Mar 51
Thu 2/26
Thu 3/5
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 January 27, 2026.

This FlightHub deal was found by Cheapflights users on 1/26. 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 4/12:24 pm
SEA
-
CLJ
2 stops17h 01m
Lufthansa
Wed 5/61:50 pm
CLJ
-
SEA
1 stop13h 09m
Lufthansa
Deal found 1/26$530
This Booking.com deal was found by Cheapflights users on 1/27. 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 3/84:10 pm
SEA
-
OTP
1 stop17h 25m
Lufthansa
Thu 3/195:50 am
OTP
-
SEA
1 stop16h 20m
Lufthansa
Deal found 1/27$532
This FlightHub deal was found by Cheapflights users on 1/26. 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 4/18:00 am
SEA
-
CLJ
2 stops23h 25m
Multiple Airlines
Wed 5/66:00 am
CLJ
-
SEA
2 stops47h 37m
Multiple Airlines
Deal found 1/26$533
This oojo deal was found by Cheapflights users on 1/25. 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 3/37:15 am
SEA
-
OTP
2 stops29h 40m
British Airways
Wed 3/118:05 am
OTP
-
SEA
1 stop18h 50m
British Airways
Deal found 1/25$534
This KAYAK deal was found by Cheapflights users on 1/27. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/31:25 pm
SEA
-
OTP
1 stop15h 20m
British Airways
Wed 3/183:50 pm
OTP
-
SEA
1 stop35h 05m
British Airways
Deal found 1/27$535
This Delta deal was found by Cheapflights users on 1/27. 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.
Sun 3/12:10 pm
SEA
-
OTP
1 stop22h 40m
Delta
Thu 3/121:55 pm
OTP
-
SEA
1 stop31h 40m
Delta
Deal found 1/27$536
This United Airlines deal was found by Cheapflights users on 1/25. 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 4/16:50 pm
SEA
-
OTP
1 stop20h 20m
United Airlines
Fri 4/106:05 am
OTP
-
SEA
1 stop16h 15m
United Airlines
Deal found 1/25$537
This Delta deal was found by Cheapflights users on 1/25. 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.
Sun 4/51:45 pm
SEA
-
OTP
1 stop17h 35m
Delta
Mon 4/132:00 pm
OTP
-
SEA
1 stop36h 30m
Delta
Deal found 1/25$539
This Delta deal was found by Cheapflights users on 1/27. 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.
Thu 2/262:00 pm
SEA
-
OTP
2 stops22h 50m
Delta
Sun 3/151:55 pm
OTP
-
SEA
1 stop31h 40m
Delta
Deal found 1/27$541
This Delta deal was found by Cheapflights users on 1/27. 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.
Thu 2/263:05 pm
SEA
-
OTP
1 stop16h 05m
Delta
Tue 3/171:55 pm
OTP
-
SEA
1 stop31h 40m
Delta
Deal found 1/27$542
This KAYAK deal was found by Cheapflights users on 1/27. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/43:10 pm
SEA
-
OTP
1 stop17h 25m
Lufthansa
Tue 3/175:55 am
OTP
-
SEA
1 stop16h 15m
Lufthansa
Deal found 1/27$543
This United Airlines deal was found by Cheapflights users on 1/25. 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 4/56:50 pm
SEA
-
OTP
1 stop20h 20m
United Airlines
Tue 4/141:50 pm
OTP
-
SEA
2 stops42h 01m
United Airlines
Deal found 1/25$545

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 January 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$530
(FlightHub)

One-way from

$408
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$540
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. 5% potential increase in price ($52 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease ($63 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 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 January 27, 2026.
Use the filters below to find and compare flights from Seattle to Romania that are best for you.

Fly from

Seattle

Fly to

Romania

Route

Depart

Return

Price

SeattleCluj Napoca

SEA - CLJ

SEACLJ

Seattle/Tacoma Intl

Wed 4/1

2:24 pm-5:25 pm

2 stops17h 01m

Cluj Napoca

Wed 5/6

1:50 pm-4:59 pm

1 stop13h 09m

$530

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Wed 4/1

6:20 am-1:10 am

2 stops32h 50m

Bucharest Otopeni Intl

Fri 4/10

6:05 am-12:20 pm

1 stop16h 15m

$541

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Mon 3/2

9:55 pm-12:05 pm

2 stops28h 10m

Bucharest Otopeni Intl

Mon 3/16

6:00 am-12:35 pm

1 stop15h 35m

$541

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Mon 3/2

9:55 pm-10:50 pm

2 stops38h 55m

Bucharest Otopeni Intl

Sun 3/15

1:55 pm-12:35 pm

1 stop31h 40m

$541

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Thu 2/26

3:05 pm-5:10 pm

1 stop16h 05m

Bucharest Otopeni Intl

Tue 3/17

1:55 pm-12:35 pm

1 stop31h 40m

$542

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Sun 4/5

6:50 pm-1:10 am

1 stop20h 20m

Bucharest Otopeni Intl

Tue 4/14

1:50 pm-9:51 pm

2 stops42h 01m

$545

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Wed 3/11

7:15 am-1:00 pm

2 stops20h 45m

Bucharest Otopeni Intl

Wed 3/18

6:00 am-12:35 pm

1 stop15h 35m

$546

SeattleCluj Napoca

SEA - CLJ

SEACLJ

Seattle/Tacoma Intl

Wed 4/1

2:24 pm-5:25 pm

2 stops17h 01m

Cluj Napoca

Wed 5/6

6:00 am-11:29 pm

3 stops27h 29m

$547

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Sun 5/3

6:50 pm-1:10 am

1 stop20h 20m

Bucharest Otopeni Intl

Fri 6/5

6:05 am-12:20 pm

1 stop16h 15m

$550

SeattleBucharest

SEA - OTP

SEAOTP

Seattle/Tacoma Intl

Sun 5/3

6:50 pm-1:10 am

1 stop20h 20m

Bucharest Otopeni Intl

Thu 6/11

6:05 am-7:37 pm

2 stops23h 32m

$553

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

Showing 1-10 of 36 results
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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, January is the cheapest month in which you can book a flight from Seattle to Romania (average of $532). Flying from Seattle to Romania in July is currently the most expensive (average of $667). 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.

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 January 27, 2026.
Read through reviews of airlines operating flights from Seattle to Romania, such as KLM, United Airlines, and Turkish Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.7
Good
1,443 reviews

Entertainment

7.1

Food

7.3

Boarding

7.8

Comfort

7.6

Overall

7.7

Crew

8.4

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
KLM
7.7
Good
1,443 reviews
KLM
7.7
Good
1,443 reviews

Entertainment

7.1

Food

7.3

Boarding

7.8

Comfort

7.6

Overall

7.7

Crew

8.4

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
United Airlines
7.4
Good
9,205 reviews
KLM
7.7
Good
1,443 reviews

Entertainment

7.1

Food

7.3

Boarding

7.8

Comfort

7.6

Overall

7.7

Crew

8.4

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
Turkish Airlines
7.3
Good
4,206 reviews
KLM
7.7
Good
1,443 reviews

Entertainment

7.1

Food

7.3

Boarding

7.8

Comfort

7.6

Overall

7.7

Crew

8.4

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
Lufthansa
6.8
Okay
7,749 reviews
KLM
7.7
Good
1,443 reviews

Entertainment

7.1

Food

7.3

Boarding

7.8

Comfort

7.6

Overall

7.7

Crew

8.4

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
British Airways
6.7
Okay
7,702 reviews
KLM
7.7
Good
1,443 reviews

Entertainment

7.1

Food

7.3

Boarding

7.8

Comfort

7.6

Overall

7.7

Crew

8.4

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.

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 17h 01m. Lufthansa provides one of the quickest options available for as low as $530. There are 5606 mi between Seattle and Romania. This flight may include one or multiple stops.

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

    One-way options have recently been found by users for as low as $388 on Lufthansa. Other airlines that offer cheap prices include Air France from $481 and KLM from $483 one-way.

  • 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 - Timisoara or Seattle/Tacoma Intl - Cluj Napoca 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, January is the cheapest month in which you can book a flight from Seattle to Romania (average of $532). Flying from Seattle to Romania in July is currently the most expensive (average of $667). 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

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Alternative routes for Seattle to Romania

See prices for flight routes from nearby airports that may be better suited for you.
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Top 7 airlines flying from Seattle to Romania

Discover the top 7 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 January 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$539Average$634FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$546Average$977FlexibilityNo cancel feeOn-time69%
KLMCheapest$552Average$819FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$565Average$1,026FlexibilityNo cancel feeOn-time76%
Turkish AirlinesCheapest$587Average$722FlexibilityNo cancel feeOn-time77%
Air FranceCheapest$699Average$807FlexibilityNo cancel feeOn-time77%
DeltaCheapest$772Average$952FlexibilityNo cancel feeOn-timeN/A

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