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Cluj Napoca

$342+ 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 1/12. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — CLJ
Jan 24 — Jan 311
Sat 1/24
Sat 1/31
1 adult, Economy
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Cheap 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 December 25, 2025.

This United Airlines deal was found by Cheapflights users on 12/23. 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 12/318:40 pmBOS - CLJ
1 stop10h 00mUnited Airlines
Fri 1/92:25 pmCLJ - BOS
2 stops36h 35mUnited Airlines
Deal found 12/23$721
This Ovago deal was found by Cheapflights users on 12/23. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/312:15 pmBOS - CLJ
2 stops16h 25mLufthansa
Sat 1/106:00 amCLJ - BOS
1 stop19h 35mLufthansa
Deal found 12/23$745
This FlightHub deal was found by Cheapflights users on 12/24. 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 12/318:40 pmBOS - CLJ
1 stop10h 00mLufthansa
Fri 1/92:25 pmCLJ - BOS
1 stop11h 10mLufthansa
Deal found 12/24$756
This Mytrip deal was found by Cheapflights users on 12/23. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/314:20 pmBOS - CLJ
2 stops22h 55mMultiple Airlines
Fri 1/99:30 pmCLJ - BOS
3 stops32h 07mMultiple Airlines
Deal found 12/23$844
This Mytrip deal was found by Cheapflights users on 12/23. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3110:15 amBOS - CLJ
3 stops29h 00mMultiple Airlines
Sat 1/109:30 pmCLJ - BOS
2 stops32h 07mMultiple Airlines
Deal found 12/23$921
This Air Canada deal was found by Cheapflights users on 12/24. 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 12/313:40 pmBOS - CLJ
2 stops15h 00mAir Canada
Fri 1/96:00 amCLJ - BOS
3 stops19h 02mAir Canada
Deal found 12/24$1,087

Find 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 December 25, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$342
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$391
Provider with most accurate pricing for Boston Logan Intl-Cluj Napoca flight deals.
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Provider most trusted by Cheapflights users for Boston Logan Intl-Cluj Napoca flights.
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From Boston Logan Intl to Cluj Napoca
Search Deals
Highest demand for flights based on searches. 30% potential increase in price ($312 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($42 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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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 December 25, 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

Mon 1/12

8:40 pm-1:40 pm

1 stop10h 00m

Cluj Napoca

Wed 1/28

6:00 am-6:57 pm

2 stops19h 57m

$342

BostonCluj Napoca

BOS - CLJ

BOSCLJ

Boston Logan Intl

Mon 1/12

8:40 pm-1:40 pm

1 stop10h 00m

Cluj Napoca

Wed 1/28

6:00 am-10:37 pm

2 stops23h 37m

$376

BostonCluj Napoca

BOS - CLJ

BOSCLJ

Boston Logan Intl

Mon 1/12

6:00 am-1:40 pm

2 stops24h 40m

Cluj Napoca

Wed 1/28

6:00 am-1:13 pm

2 stops38h 13m

$401

BostonCluj Napoca

BOS - CLJ

BOSCLJ

Boston Logan Intl

Wed 2/4

9:50 pm-1:40 pm

2 stops32h 50m

Cluj Napoca

Sun 2/8

6:00 am-6:35 pm

1 stop19h 35m

$465

BostonCluj Napoca

BOS - CLJ

BOSCLJ

Boston Logan Intl

Wed 1/21

4:15 pm-12:55 am

2 stops25h 40m

Cluj Napoca

Mon 2/2

2:25 pm-6:35 pm

1 stop11h 10m

$481

BostonCluj Napoca

BOS - CLJ

BOSCLJ

Boston Logan Intl

Fri 5/8

8:05 pm-5:25 pm

1 stop14h 20m

Cluj Napoca

Sat 5/16

6:00 am-5:40 pm

1 stop18h 40m

$508

BostonCluj Napoca

BOS - CLJ

BOSCLJ

Boston Logan Intl

Wed 1/21

8:00 pm-8:25 pm

1 stop17h 25m

Cluj Napoca

Mon 2/2

9:50 am-6:05 pm

1 stop15h 15m

$517

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/25

Compare providers for flights from Boston to Cluj Napoca

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Boston to Cluj Napoca in December.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Boston-Cluj Napoca flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Boston-Cluj Napoca flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Boston-Cluj Napoca flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Boston-Cluj Napoca flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Boston-Cluj Napoca flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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, November is the cheapest month in which you can book a flight from Boston to Cluj Napoca (average of $387). Flying from Boston to Cluj Napoca in June is currently the most expensive (average of $870). 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 December 25, 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
7.5
Good
1,818 reviews

Boarding

7.7

Crew

8.3

Entertainment

6.8

Comfort

7.4

Food

7.1

Overall

7.5

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
1,818 reviews
SWISS
7.5
Good
1,818 reviews

Boarding

7.7

Crew

8.3

Entertainment

6.8

Comfort

7.4

Food

7.1

Overall

7.5

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
9,115 reviews
SWISS
7.5
Good
1,818 reviews

Boarding

7.7

Crew

8.3

Entertainment

6.8

Comfort

7.4

Food

7.1

Overall

7.5

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
4,113 reviews
SWISS
7.5
Good
1,818 reviews

Boarding

7.7

Crew

8.3

Entertainment

6.8

Comfort

7.4

Food

7.1

Overall

7.5

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
7,655 reviews
SWISS
7.5
Good
1,818 reviews

Boarding

7.7

Crew

8.3

Entertainment

6.8

Comfort

7.4

Food

7.1

Overall

7.5

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 $342, 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, Lufthansa ($387), SWISS ($434), and Turkish Airlines ($564) offers the cheapest pricing from Boston to Cluj Napoca. Lufthansa is priced at 45% 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, November is the cheapest month in which you can book a flight from Boston to Cluj Napoca (average of $387). Flying from Boston to Cluj Napoca in June is currently the most expensive (average of $870). 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 December 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$387Average$635FlexibilityNo cancel feeOn-time76%
SWISSCheapest$434Average$980FlexibilityNo cancel feeOn-time79%
Turkish AirlinesCheapest$564Average$692FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$641Average$710FlexibilityNo cancel feeOn-time69%

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