$450 Cheap Flights from Seattle (SEA) to Cluj-Napoca (CLJ)

View $450 flight on Thu, Nov 27, 2025Opens in a new window

Popular airlines from Seattle-Tacoma International Airport (SEA) to Cluj-Napoca (CLJ)

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Cheap Flights from Seattle to Cluj-Napoca (SEA-CLJ)

Prices were available within the past 7 days and start at $450 for one-way flights and $526 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Lufthansa
Wed, Jan 21 - Tue, Feb 3
SEA
Seattle
CLJ
Cluj-Napoca
$526 Roundtrip, found 5 hours ago
$526
Roundtrip
found 5 hours ago
Select Lufthansa flight, departing Wed, Jan 21 from Seattle to Cluj-Napoca, returning Tue, Feb 3, priced at $526 found 5 hours ago
Air Canada
Sun, Dec 7 - Wed, Dec 17
SEA
Seattle
CLJ
Cluj-Napoca
$528 Roundtrip, just found
$528
Roundtrip
just found
Select Air Canada flight, departing Sun, Dec 7 from Seattle to Cluj-Napoca, returning Wed, Dec 17, priced at $528 just found
United
Sun, Dec 28 - Wed, Jan 14
SEA
Seattle
CLJ
Cluj-Napoca
$530 Roundtrip, found 3 days ago
$530
Roundtrip
found 3 days ago
Select United flight, departing Sun, Dec 28 from Seattle to Cluj-Napoca, returning Wed, Jan 14, priced at $530 found 3 days ago
United
Fri, Jan 23 - Fri, Feb 6
SEA
Seattle
CLJ
Cluj-Napoca
$531 Roundtrip, just found
$531
Roundtrip
just found
Select United flight, departing Fri, Jan 23 from Seattle to Cluj-Napoca, returning Fri, Feb 6, priced at $531 just found
United
Fri, Jan 23 - Sun, Feb 8
SEA
Seattle
CLJ
Cluj-Napoca
$531 Roundtrip, found 1 day ago
$531
Roundtrip
found 1 day ago
Select United flight, departing Fri, Jan 23 from Seattle to Cluj-Napoca, returning Sun, Feb 8, priced at $531 found 1 day ago
United
Mon, Dec 8 - Wed, Dec 17
SEA
Seattle
CLJ
Cluj-Napoca
$533 Roundtrip, just found
$533
Roundtrip
just found
Select United flight, departing Mon, Dec 8 from Seattle to Cluj-Napoca, returning Wed, Dec 17, priced at $533 just found
United
Mon, Dec 29 - Wed, Jan 14
SEA
Seattle
CLJ
Cluj-Napoca
$534 Roundtrip, found 1 day ago
$534
Roundtrip
found 1 day ago
Select United flight, departing Mon, Dec 29 from Seattle to Cluj-Napoca, returning Wed, Jan 14, priced at $534 found 1 day ago
United
Sun, Jan 18 - Fri, Feb 6
SEA
Seattle
CLJ
Cluj-Napoca
$535 Roundtrip, just found
$535
Roundtrip
just found
Select United flight, departing Sun, Jan 18 from Seattle to Cluj-Napoca, returning Fri, Feb 6, priced at $535 just found
Swiss International Air Lines
Fri, Jan 23 - Fri, Jan 30
SEA
Seattle
CLJ
Cluj-Napoca
$537 Roundtrip, found 10 hours ago
$537
Roundtrip
found 10 hours ago
Select Swiss International Air Lines flight, departing Fri, Jan 23 from Seattle to Cluj-Napoca, returning Fri, Jan 30, priced at $537 found 10 hours ago
Turkish Airlines
Sat, Mar 21 - Sat, Apr 4
SEA
Seattle
CLJ
Cluj-Napoca
$650 Roundtrip, found 1 hour ago
$650
Roundtrip
found 1 hour ago
Select Turkish Airlines flight, departing Sat, Mar 21 from Seattle to Cluj-Napoca, returning Sat, Apr 4, priced at $650 found 1 hour ago

Alternative airports near Cluj-Napoca

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Cluj-Napoca CLJ. Cheapest and Closest option available. Average driving time to city center is 9 minutes. Flights from $633
CLJ
Cluj-Napoca
CheapestClosest
Average driving time to city center9 min
Flights from $633

Frequently asked questions

How much does a flight from Seattle - Tacoma Intl. Airport (SEA) to Cluj-Napoca Airport (CLJ) cost?
Snag a cheap one-way flight from $450 or cheap return flight from $526 from Seattle - Tacoma Intl. Airport (SEA) to Cluj-Napoca Airport (CLJ) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Seattle - Tacoma Intl. Airport (SEA) to Cluj-Napoca Airport (CLJ)?
Planning your getaway for January is a good way to save, as it's the cheapest month for flights between SEA and CLJ. You'll typically find the lowest fares during the off-season.
What is the cheapest airline that flies from Seattle - Tacoma Intl. Airport (SEA) to Cluj-Napoca Airport (CLJ)?
To find the cheapest airline that'll fly you from SEA to CLJ, use Expedia's filter tool. Customize your search based on what's important to you, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from Seattle - Tacoma Intl. Airport (SEA) to Cluj-Napoca Airport (CLJ)?
Direct flights from Seattle - Tacoma Intl. Airport (SEA) to Cluj-Napoca Airport (CLJ) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filters. Enter your dates and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from SEA to CLJ?
You'll typically find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Seattle - Tacoma Intl. Airport (SEA) to Cluj-Napoca Airport (CLJ)?
Select a flight from Seattle - Tacoma Intl. Airport (SEA) to Cluj-Napoca Airport (CLJ) that takes off before 3 PM to reduce the likelihood of delays and cancellations. Departures after this hour are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Seattle - Tacoma Intl. Airport (SEA) to Cluj-Napoca Airport (CLJ) last-minute?
Holding off until just before your departure to book a flight from SEA to CLJ generally means paying more. While it's possible to find some last-minute offers, they aren't always guaranteed. Keep your travel plans flexible to maximize your chances of scoring a bargain.
Is it cheaper to book a SEA to CLJ flight and hotel package?
Securing a SEA to CLJ flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels in one place. Pick from our impressive range of hotels and then add car rentals, flights and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Seattle - Tacoma Intl. Airport (SEA) to Cluj-Napoca Airport (CLJ)?
Typically, it's possible to reschedule or cancel your SEA to CLJ flight. However, for bookings made more than 24 hours ago, additional charges may apply. Check your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find more details on our Customer Service portal.

Travel information

Origin airport
Seattle - Tacoma Intl.
Destination airport
Cluj-Napoca
Airlines serving
Air Canada, Air France, KLM, Lufthansa, Swiss International Air Lines, Turkish Airlines, United
Roundtrip price
$525
Distance
5610 mi

Book with confidence

Seattle to Cluj-Napoca Flights

The cheapest times to fly from Seattle to Cluj-Napoca

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Seattle to Cluj-Napoca are during the month of January. You can find some of the cheapest flights from Seattle to Cluj-Napoca with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Seattle to Cluj-Napoca

Sunday is one of the best days to book for cheap flights from Seattle to Cluj-Napoca: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Seattle to Cluj-Napoca

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Seattle to Cluj-Napoca in 2025. You can also book with separate airlines for your outbound and return journeys, from $450 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Seattle to Cluj-Napoca flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Seattle to Cluj-Napoca airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Seattle to Cluj-Napoca Flights

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*Available to One Key members.