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Cluj Napoca

$352+ Cheap flights from Boston (BOS) 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 11/19. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — CLJ
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheap flight deals from Boston to Cluj Napoca

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) 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 September 17, 2025.

Round-trip from

$352
(Kiwi.com)

Popular in

December

Cheapest in

March

Average price

$1,077
From Boston Logan Intl to Cluj Napoca
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($54 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($45 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Boston to Cluj Napoca

Cheapest flights from Boston to Cluj Napoca
Explore the most affordable flight options available from Boston to Cluj Napoca. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/198:40 pmBOS - CLJ
1 stop10h 00mLufthansa
Wed 12/32:25 pmCLJ - BOS
1 stop11h 10mLufthansa
Deal found 9/16$352
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/195:05 pmBOS - CLJ
1 stop14h 30mMultiple Airlines
Tue 11/42:25 pmCLJ - BOS
1 stop11h 10mMultiple Airlines
Deal found 9/16$355
This Air Canada deal was found by Cheapflights users on 9/16. 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.
Wed 11/195:30 amBOS - CLJ
2 stops21h 35mMultiple Airlines
Wed 12/36:00 amCLJ - BOS
2 stops34h 32mMultiple Airlines
Deal found 9/16$389
This United Airlines deal was found by Cheapflights users on 9/16. 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 10/198:02 pmBOS - CLJ
2 stops34h 03mUnited Airlines
Tue 11/46:00 amCLJ - BOS
2 stops22h 49mUnited Airlines
Deal found 9/16$398
This Air Canada deal was found by Cheapflights users on 9/16. 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.
Wed 11/193:40 pmBOS - CLJ
3 stops15h 00mAir Canada
Wed 12/36:00 amCLJ - BOS
3 stops22h 27mAir Canada
Deal found 9/16$444
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/88:05 pmBOS - CLJ
1 stop14h 15mLufthansa
Sat 10/116:00 amCLJ - BOS
1 stop18h 40mLufthansa
Deal found 9/14$642
This United Airlines deal was found by Cheapflights users on 9/17. 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 10/57:08 pmBOS - CLJ
2 stops39h 12mUnited Airlines
Fri 10/101:45 pmCLJ - BOS
2 stops36h 11mUnited Airlines
Deal found 9/17$667

Cheapflights Fare Finder

 
Customize your flight search to find flights from Boston 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 September 17, 2025.
Use the filters below to find and compare flights from Boston to Cluj Napoca that are best for you.

Fly from

Boston

Fly to

Cluj Napoca

Route

Depart

Return

Price

BostonCluj Napoca

BOS - CLJ

BOSCLJ

Boston Logan Intl

Wed 11/19

8:40 pm-1:40 pm

1 stop10h 00m

Cluj Napoca

Wed 12/3

2:25 pm-6:35 pm

1 stop11h 10m

$352

BostonCluj Napoca

BOS - CLJ

BOSCLJ

Boston Logan Intl

Sun 10/19

5:05 pm-2:35 pm

1 stop14h 30m

Cluj Napoca

Tue 11/4

2:25 pm-6:35 pm

1 stop11h 10m

$355

BostonCluj Napoca

BOS - CLJ

BOSCLJ

Boston Logan Intl

Wed 11/19

5:30 am-10:05 am

2 stops21h 35m

Cluj Napoca

Wed 12/3

6:00 am-9:32 am

2 stops34h 32m

$389

BostonCluj Napoca

BOS - CLJ

BOSCLJ

Boston Logan Intl

Sun 10/19

8:02 pm-1:05 pm

2 stops34h 03m

Cluj Napoca

Tue 11/4

6:00 am-9:49 pm

2 stops22h 49m

$398

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Best time to book a flight from Boston to Cluj Napoca

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

What is the cheapest month to book a flight from Boston to Cluj Napoca?

Currently, January is the cheapest month in which you can book a flight from Boston to Cluj Napoca (average of $671). Flying from Boston to Cluj Napoca in June is currently the most expensive (average of $1,301). 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 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 September 17, 2025.
Peruse reviews from past customers who have flown with SWISS, United Airlines, and Turkish Airlines from Boston to Cluj Napoca to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
SWISS
7.6
Good
1,737 reviews

Crew

8.2

Food

7.1

Boarding

7.7

Comfort

7.4

Entertainment

6.8

Overall

7.6

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
7.6
Good
1,737 reviews
SWISS
7.6
Good
1,737 reviews

Crew

8.2

Food

7.1

Boarding

7.7

Comfort

7.4

Entertainment

6.8

Overall

7.6

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
8,926 reviews
SWISS
7.6
Good
1,737 reviews

Crew

8.2

Food

7.1

Boarding

7.7

Comfort

7.4

Entertainment

6.8

Overall

7.6

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
3,965 reviews
SWISS
7.6
Good
1,737 reviews

Crew

8.2

Food

7.1

Boarding

7.7

Comfort

7.4

Entertainment

6.8

Overall

7.6

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.
Lufthansa
6.8
Okay
7,409 reviews
SWISS
7.6
Good
1,737 reviews

Crew

8.2

Food

7.1

Boarding

7.7

Comfort

7.4

Entertainment

6.8

Overall

7.6

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 Boston to Cluj Napoca. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Boston to Cluj Napoca?

    For as low as $352, Lufthansa can have you in Cluj Napoca from Boston in 10h. The distance from Boston to Cluj Napoca is about 4369 mi.

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

    According to our current data, SWISS ($434), Lufthansa ($436), and Turkish Airlines ($564) offers the cheapest pricing from Boston to Cluj Napoca. SWISS is priced at 49% lower than the current average price of a flight leaving 3 months from now.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Boston to Cluj Napoca (average of $671). Flying from Boston to Cluj Napoca in June is currently the most expensive (average of $1,301). 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 4 airlines flying from Boston to Cluj Napoca

Discover the top 4 airlines that operate flights from Boston 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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
SWISSCheapest$434Average$1,021FlexibilityNo cancel feeOn-time79%
LufthansaCheapest$436Average$737FlexibilityNo cancel feeOn-time76%
Turkish AirlinesCheapest$564Average$692FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$641Average$743FlexibilityNo cancel feeOn-time69%

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