$471 Cheap Flights from Seattle (SEA) to Cluj-Napoca (CLJ)

View $471 flight on Wed, Aug 6, 2025Opens in a new window

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

  • Plan, book, fly with confidence

  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 30% on select hotels after you book a flight*
  • one key icon
    Earn twice
    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

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

Prices were available within the past 7 days and start at $471 for one-way flights and $623 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, Jul 30 - Thu, Aug 21
SEA
Seattle
CLJ
Cluj-Napoca
$623 Roundtrip, found 2 hours ago
$623
Roundtrip
found 2 hours ago
Select United flight, departing Wed, Jul 30 from Seattle to Cluj-Napoca, returning Thu, Aug 21, priced at $623 found 2 hours ago
Swiss International Air Lines
Tue, Aug 5 - Thu, Aug 21
SEA
Seattle
CLJ
Cluj-Napoca
$639 Roundtrip, found 2 hours ago
$639
Roundtrip
found 2 hours ago
Select Swiss International Air Lines flight, departing Tue, Aug 5 from Seattle to Cluj-Napoca, returning Thu, Aug 21, priced at $639 found 2 hours ago
Air Canada
Tue, Oct 7 - Tue, Nov 4
SEA
Seattle
CLJ
Cluj-Napoca
$646 Roundtrip, found 4 days ago
$646
Roundtrip
found 4 days ago
Select Air Canada flight, departing Tue, Oct 7 from Seattle to Cluj-Napoca, returning Tue, Nov 4, priced at $646 found 4 days ago
Lufthansa
Tue, Dec 30 - Tue, Jan 20
SEA
Seattle
CLJ
Cluj-Napoca
$649 Roundtrip, found 5 days ago
$649
Roundtrip
found 5 days ago
Select Lufthansa flight, departing Tue, Dec 30 from Seattle to Cluj-Napoca, returning Tue, Jan 20, priced at $649 found 5 days ago
Air Canada
Tue, Dec 30 - Tue, Jan 20
SEA
Seattle
CLJ
Cluj-Napoca
$649 Roundtrip, found 5 days ago
$649
Roundtrip
found 5 days ago
Select Air Canada flight, departing Tue, Dec 30 from Seattle to Cluj-Napoca, returning Tue, Jan 20, priced at $649 found 5 days ago
Swiss International Air Lines
Tue, Oct 7 - Tue, Nov 4
SEA
Seattle
CLJ
Cluj-Napoca
$651 Roundtrip, found 4 days ago
$651
Roundtrip
found 4 days ago
Select Swiss International Air Lines flight, departing Tue, Oct 7 from Seattle to Cluj-Napoca, returning Tue, Nov 4, priced at $651 found 4 days ago
United
Tue, Oct 7 - Tue, Nov 4
SEA
Seattle
CLJ
Cluj-Napoca
$653 Roundtrip, found 4 days ago
$653
Roundtrip
found 4 days ago
Select United flight, departing Tue, Oct 7 from Seattle to Cluj-Napoca, returning Tue, Nov 4, priced at $653 found 4 days ago
Air Canada
Tue, Oct 7 - Wed, Nov 5
SEA
Seattle
CLJ
Cluj-Napoca
$656 Roundtrip, found 4 days ago
$656
Roundtrip
found 4 days ago
Select Air Canada flight, departing Tue, Oct 7 from Seattle to Cluj-Napoca, returning Wed, Nov 5, priced at $656 found 4 days ago
United
Wed, Jul 30 - Thu, Aug 21
SEA
Seattle
CLJ
Cluj-Napoca
$658 Roundtrip, found 2 days ago
$658
Roundtrip
found 2 days ago
Select United flight, departing Wed, Jul 30 from Seattle to Cluj-Napoca, returning Thu, Aug 21, priced at $658 found 2 days ago
Swiss International Air Lines
Tue, Oct 7 - Wed, Nov 5
SEA
Seattle
CLJ
Cluj-Napoca
$661 Roundtrip, found 4 days ago
$661
Roundtrip
found 4 days ago
Select Swiss International Air Lines flight, departing Tue, Oct 7 from Seattle to Cluj-Napoca, returning Wed, Nov 5, priced at $661 found 4 days ago
Flights from Seattle (SEA) to Cluj-Napoca (CLJ)
Origin airport
Seattle - Tacoma Intl.
Destination airport
Cluj-Napoca
Airlines serving
Air Canada, Air France, JetBlue Airways, KLM, Lufthansa, Swiss International Air Lines, Turkish Airlines, United
Roundtrip price
$622
Distance
5610 mi

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 July. 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 $471 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.

 

Frequently asked questions

How much does a flight from Seattle - Tacoma Intl. Airport (SEA) to Cluj-Napoca Airport (CLJ) cost?
Discover the latest flight deals from SEA to CLJ by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from SEA to CLJ?
The cheapest flights from SEA to CLJ are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from SEA to CLJ?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from SEA to CLJ. Sort your results by “Price (lowest to highest)” to snap up a great deal.
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.

Explore a world of travel with Expedia

*Available to One Key members.