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Cluj Napoca

$559+ Cheap flights from Seattle (SEA) to Cluj Napoca (CLJ)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/21. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — CLJ
Aug 4 — Aug 111
Mon 8/4
Mon 8/11
1 adult, Economy
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Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Cluj Napoca are usually found in January or February, booked 45 days in advance, depart on a Saturday or Wednesday and return on a Tuesday

Cheap flight deals from Seattle to Cluj Napoca

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Cluj Napoca (CLJ). 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 30, 2025.

Round-trip from

$559
(FlightHub)

Popular in

June

Cheapest in

January

Average price

$1,093
From Seattle/Tacoma Intl to Cluj Napoca
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($140 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($46 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 Cluj Napoca

Cheapest flights from Seattle to Cluj Napoca
Explore the most affordable flight options available from Seattle to Cluj Napoca. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2025.

This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2112:30 pmSEA - CLJ
1 stop34h 35mTurkish Airlines
Wed 9/249:55 amCLJ - SEA
1 stop17h 20mTurkish Airlines
Deal found 7/30$559
This Lufthansa deal was found by Cheapflights users on 7/29. 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.
Sun 8/36:50 pmSEA - CLJ
1 stop19h 40mLufthansa
Tue 8/266:00 amCLJ - SEA
2 stops26h 20mLufthansa
Deal found 7/29$666
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/187:00 amSEA - CLJ
2 stops24h 20mUnited Airlines
Mon 8/251:45 pmCLJ - SEA
2 stops38h 13mUnited Airlines
Deal found 7/30$685
This CheapOair deal was found by Cheapflights users on 7/29. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/112:55 pmSEA - CLJ
2 stops16h 25mMultiple Airlines
Tue 8/191:45 pmCLJ - SEA
2 stops29h 36mMultiple Airlines
Deal found 7/29$711
This SWISS deal was found by Cheapflights users on 7/29. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/24:20 pmSEA - CLJ
1 stop36h 15mSWISS
Mon 8/253:20 pmCLJ - SEA
2 stops37h 29mSWISS
Deal found 7/29$760
This Air Canada deal was found by Cheapflights users on 7/29. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/127:15 amSEA - CLJ
3 stops19h 50mAir Canada
Fri 9/196:00 amCLJ - SEA
2 stops26h 16mAir Canada
Deal found 7/29$767

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to Cluj Napoca 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 30, 2025.
Use the filters below to find and compare flights from Seattle to Cluj Napoca that are best for you.

Fly from

Seattle

Fly to

Cluj Napoca

Route

Depart

Return

Price

SeattleCluj Napoca

SEA - CLJ

SEACLJ

Seattle/Tacoma Intl

Thu 8/21

12:30 pm-9:05 am

1 stop34h 35m

Cluj Napoca

Wed 9/24

9:55 am-5:15 pm

1 stop17h 20m

$559

SeattleCluj Napoca

SEA - CLJ

SEACLJ

Seattle/Tacoma Intl

Mon 8/18

7:00 am-5:20 pm

2 stops24h 20m

Cluj Napoca

Mon 8/25

1:45 pm-5:58 pm

2 stops38h 13m

$685

SeattleCluj Napoca

SEA - CLJ

SEACLJ

Seattle/Tacoma Intl

Mon 8/11

2:55 pm-5:20 pm

2 stops16h 25m

Cluj Napoca

Tue 8/19

1:45 pm-9:21 am

2 stops29h 36m

$711

SeattleCluj Napoca

SEA - CLJ

SEACLJ

Seattle/Tacoma Intl

Sat 8/9

4:20 pm-2:35 pm

1 stop36h 15m

Cluj Napoca

Mon 8/25

3:20 pm-10:20 pm

2 stops41h 00m

$760

SeattleCluj Napoca

SEA - CLJ

SEACLJ

Seattle/Tacoma Intl

Fri 9/12

7:15 am-1:05 pm

3 stops19h 50m

Cluj Napoca

Fri 9/19

6:00 am-10:16 pm

2 stops26h 16m

$767

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Best time to book a flight from Seattle to Cluj Napoca

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

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

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Cluj Napoca. Price data was last updated on July 25, 2025.

The price you pay for your flight from Seattle to Cluj Napoca may vary depending on when you book. For the best chance of a lower fare, look to book 45 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 Cluj Napoca?

Currently, January is the cheapest month in which you can book a flight from Seattle to Cluj Napoca (average of $675). Flying from Seattle to Cluj Napoca in June is currently the most expensive (average of $1,303). 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 CLJ?

Find hourly flight availability from Seattle to Cluj Napoca. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 30, 2025.

It’s typically best to fly out from Seattle to Cluj Napoca in the evening. Doing so could potentially save you 59% on the flight price compared to flying at noon, which is usually more expensive.

What’s the top layover airport for flights from Seattle to Cluj Napoca?

Share of 1-stop round-trip flights from Seattle to Cluj Napoca chosen by Cheapflights users in the past 12 months, using the same layover each way.

Istanbul (IST) – chosen by Cheapflights users on 98% of 1-stop itineraries from Seattle to Cluj Napoca on Cheapflights.

What’s the cheapest layover airport for flights from Seattle to Cluj Napoca?

Average round-trip fare for 1-stop flights from Seattle to Cluj Napoca, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Istanbul (IST) is the most affordable 1-stop option, with an average round-trip price of $825.

What’s the fastest layover option from Seattle to Cluj Napoca?

Shortest average travel time for 1-stop one-way flights from Seattle to Cluj Napoca, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Munich (MUC) have the shortest average one-way travel time for 1-stop routes: 12h 40m.

Which airport typically offers the quickest layover for flights from Seattle to Cluj Napoca?

Average layover duration for 1-stop one-way flights from Seattle to Cluj Napoca, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Munich (MUC) offer the fastest connection on this route, with an average layover time of 1h 00m.

Reviews of airlines servicing Cluj Napoca

Get insights into the airlines that provide service to Cluj Napoca. 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 Cluj Napoca. Reviews last updated July 30, 2025.
Get a feel of what it's like to fly with SWISS, United Airlines, and Turkish Airlines from Seattle to Cluj Napoca by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
SWISS
7.5
Good
1,686 reviews

Entertainment

6.8

Boarding

7.7

Overall

7.5

Food

7.1

Comfort

7.4

Crew

8.2

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

BOS - ZRH

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.
SWISS
7.5
Good
1,686 reviews
SWISS
7.5
Good
1,686 reviews

Entertainment

6.8

Boarding

7.7

Overall

7.5

Food

7.1

Comfort

7.4

Crew

8.2

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

BOS - ZRH

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.
United Airlines
7.4
Good
8,896 reviews
SWISS
7.5
Good
1,686 reviews

Entertainment

6.8

Boarding

7.7

Overall

7.5

Food

7.1

Comfort

7.4

Crew

8.2

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

BOS - ZRH

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.
Turkish Airlines
7.3
Good
3,928 reviews
SWISS
7.5
Good
1,686 reviews

Entertainment

6.8

Boarding

7.7

Overall

7.5

Food

7.1

Comfort

7.4

Crew

8.2

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

BOS - ZRH

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.
Air Canada
7.1
Good
9,837 reviews
SWISS
7.5
Good
1,686 reviews

Entertainment

6.8

Boarding

7.7

Overall

7.5

Food

7.1

Comfort

7.4

Crew

8.2

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

BOS - ZRH

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Cluj Napoca. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    Turkish Airlines, at $559, was found to be the cheapest airline from Seattle to Cluj Napoca.Alternate airlines to your destination round-trip include United Airlines and SWISS. Turkish Airlines is 41% cheaper than the average price of flights available within the next 90 days to this destination.

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

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

  • How can I find direct flights from Seattle to Cluj Napoca?

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

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

    Yes. Cheapflights offers flight deals from Seattle to Cluj Napoca 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 Cluj Napoca?

    Currently, January is the cheapest month in which you can book a flight from Seattle to Cluj Napoca (average of $675). Flying from Seattle to Cluj Napoca in June is currently the most expensive (average of $1,303). 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

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Top 3 airlines flying from Seattle to Cluj Napoca

Discover the top 3 airlines that operate flights from Seattle to Cluj Napoca. 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 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$594Average$723FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$674Average$947FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$693Average$1,083FlexibilityNo cancel feeOn-time76%

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