How long is the flight from Boston to Cluj Napoca?

For as low as $394, SWISS can have you in Cluj Napoca from Boston in 10h. The distance from Boston to Cluj Napoca is about 4369 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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 46% lower than the current average price of a flight leaving 3 months from now.

In terms of precipitation, rainfall in Cluj Napoca ranges from 0.8 - 3.1 inches per month. June is typically the wettest month, when rainfall can reach 3.1 in. January is typically the driest time to visit Cluj Napoca when rainfall is around 0.8 in.

If weather is an important factor for your trip to Cluj Napoca, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 64.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 26.6 F).

What are the most popular airlines that fly from Boston to Cluj Napoca?

When booking a flight from Boston to Cluj Napoca, you may want to consider flying on Lufthansa, Turkish Airlines or SWISS as they are the most popular for this route.

What is the cheapest time of day to fly from BOS to CLJ?

When flying from Boston to Cluj Napoca, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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.

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.

$382+ Flights from Boston to Cluj Napoca

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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 8, 2025.

Mon 12/155:30 amBOS - CLJ

2 stops25h 10mMultiple Airlines

Wed 12/312:25 pmCLJ - BOS

1 stop11h 10mMultiple Airlines

Deal found 12/8

$1,694

Mon 12/159:40 amBOS - CLJ

2 stops21h 00mUnited Airlines

Wed 12/312:25 pmCLJ - BOS

1 stop11h 10mUnited Airlines

Deal found 12/6

$1,875

Mon 12/155:30 amBOS - CLJ

2 stops25h 10mAir Canada

Wed 12/312:25 pmCLJ - BOS

3 stops26h 37mAir Canada

Deal found 12/7

$1,884

Mon 12/158:00 pmBOS - CLJ

1 stop17h 25mTurkish Airlines

Wed 12/319:50 amCLJ - BOS

1 stop15h 15mTurkish Airlines

Deal found 12/7

$2,497

Best flights from Boston to Cluj Napoca
Discover carefully curated flight deals from Boston to Cluj Napoca that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 8, 2025.

Mon 1/128:40 pmBOS - CLJ

1 stop10h 00mMultiple Airlines

Wed 1/286:00 amCLJ - BOS

2 stops19h 02mMultiple Airlines

Deal found 12/7

$382

Tue 3/2410:50 pmBOS - CLJ

1 stop29h 15mSWISS

Mon 3/303:20 pmCLJ - BOS

1 stop31h 10mSWISS

Deal found 12/6

$386

Tue 3/249:40 pmBOS - CLJ

1 stop10h 00mLufthansa

Tue 3/316:00 amCLJ - BOS

1 stop18h 40mLufthansa

Deal found 12/6

$394

Mon 1/128:15 amBOS - CLJ

2 stops22h 25mUnited Airlines

Wed 1/286:00 amCLJ - BOS

2 stops22h 52mUnited Airlines

Deal found 12/7

$399

Wed 3/259:40 pmBOS - CLJ

1 stop10h 00mUnited Airlines

Wed 4/16:00 amCLJ - BOS

2 stops25h 04mUnited Airlines

Deal found 12/6

$404

Tue 3/242:15 pmBOS - CLJ

2 stops17h 25mLufthansa

Mon 3/306:10 pmCLJ - BOS

1 stop30h 30mLufthansa

Deal found 12/6

$409

Wed 3/259:40 pmBOS - CLJ

1 stop10h 00mUnited Airlines

Thu 4/21:50 pmCLJ - BOS

2 stops27h 07mUnited Airlines

Deal found 12/6

$404

Sun 3/225:25 pmBOS - CLJ

2 stops25h 30mLufthansa

Tue 3/316:00 amCLJ - BOS

1 stop18h 40mLufthansa

Deal found 12/6

$440

Tue 3/249:30 amBOS - CLJ

2 stops22h 10mUnited Airlines

Wed 4/11:50 pmCLJ - BOS

2 stops17h 14mUnited Airlines

Deal found 12/6

$409

Tue 3/249:40 pmBOS - CLJ

1 stop10h 00mLufthansa

Sun 3/296:00 amCLJ - BOS

1 stop18h 40mLufthansa

Deal found 12/6

$444

Mon 3/2312:07 pmBOS - CLJ

3 stops19h 33mUnited Airlines

Wed 4/16:00 amCLJ - BOS

2 stops26h 06mUnited Airlines

Deal found 12/6

$409

Last-minute flights from Boston to Cluj Napoca
Discover last-minute flight deals from Boston to Cluj Napoca. Data last updated December 8, 2025 and is based on user searches.

Mon 12/155:30 amBOS - CLJ

2 stops25h 10mMultiple Airlines

Wed 12/312:25 pmCLJ - BOS

1 stop11h 10mMultiple Airlines

Deal found 12/8

$1,694

Mon 1/128:40 pmBOS - CLJ

1 stop10h 00mMultiple Airlines

Wed 1/286:00 amCLJ - BOS

2 stops19h 02mMultiple Airlines

Deal found 12/7

$382

Mon 1/128:40 pmBOS - CLJ

1 stop10h 00mLufthansa

Wed 1/286:00 amCLJ - BOS

1 stop19h 35mLufthansa

Deal found 12/7

$387

Mon 1/128:15 amBOS - CLJ

2 stops22h 25mUnited Airlines

Wed 1/286:00 amCLJ - BOS

2 stops22h 52mUnited Airlines

Deal found 12/7

$399

Fri 1/306:00 amBOS - CLJ

2 stops24h 40mUnited Airlines

Tue 2/36:00 amCLJ - BOS

2 stops23h 48mUnited Airlines

Deal found 12/7

$494

Fri 1/308:00 pmBOS - CLJ

1 stop17h 25mTurkish Airlines

Tue 2/39:15 pmCLJ - BOS

1 stop27h 50mTurkish Airlines

Deal found 12/7

$620

Find flight deals from Boston to Cluj Napoca

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$381 (Mytrip)
Popular in	June
Cheapest in	November
Average price	$391

Provider with most accurate pricing for Boston Logan Intl-Cluj Napoca flight deals.

Search Deals

Provider most trusted by Cheapflights users for Boston Logan Intl-Cluj Napoca flights.

Search Deals

From Boston Logan Intl to Cluj Napoca

Search Deals

Highest demand for flights based on searches. 28% potential increase in price ($293 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease ($41 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Fly from

Fly to

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-6:02 pm

2 stops19h 02m

$382

BostonCluj Napoca

BOS - CLJ

BOSCLJ

Boston Logan Intl

Tue 3/24

10:50 pm-10:05 am

1 stop29h 15m

Cluj Napoca

Mon 3/30

3:20 pm-3:30 pm

1 stop31h 10m

$386

BostonCluj Napoca

BOS - CLJ

BOSCLJ

Boston Logan Intl

Tue 3/24

9:40 pm-1:40 pm

1 stop10h 00m

Cluj Napoca

Tue 3/31

6:00 am-5:40 pm

1 stop18h 40m

$394

BostonCluj Napoca

BOS - CLJ

BOSCLJ

Boston Logan Intl

Mon 1/12

8:15 am-1:40 pm

2 stops22h 25m

Cluj Napoca

Wed 1/28

6:00 am-9:52 pm

2 stops22h 52m

$399

BostonCluj Napoca

BOS - CLJ

BOSCLJ

Boston Logan Intl

Wed 3/25

9:40 pm-1:40 pm

1 stop10h 00m

Cluj Napoca

Wed 4/1

6:00 am-12:04 am

2 stops25h 04m

$404

BostonCluj Napoca

BOS - CLJ

BOSCLJ

Boston Logan Intl

Wed 3/25

9:40 pm-1:40 pm

1 stop10h 00m

Cluj Napoca

Thu 4/2

1:50 pm-9:57 am

2 stops27h 07m

$404

BostonCluj Napoca

BOS - CLJ

BOSCLJ

Boston Logan Intl

Tue 3/24

2:15 pm-1:40 pm

2 stops17h 25m

Cluj Napoca

Mon 3/30

6:10 pm-5:40 pm

1 stop30h 30m

$409

BostonCluj Napoca

BOS - CLJ

BOSCLJ

Boston Logan Intl

Tue 3/24

9:30 am-1:40 pm

2 stops22h 10m

Cluj Napoca

Wed 4/1

1:50 pm-12:04 am

2 stops17h 14m

$409

BostonCluj Napoca

BOS - CLJ

BOSCLJ

Boston Logan Intl

Mon 3/23

12:07 pm-1:40 pm

3 stops19h 33m

Cluj Napoca

Wed 4/1

6:00 am-1:06 am

2 stops26h 06m

$409

BostonCluj Napoca

BOS - CLJ

BOSCLJ

Boston Logan Intl

Sun 3/22

5:25 pm-12:55 am

2 stops25h 30m

Cluj Napoca

Tue 3/31

6:00 am-5:40 pm

1 stop18h 40m

$440

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/7

Showing 1-10 of 11 results

Compare providers for flights from Boston to Cluj Napoca

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.

Provider	Price Accuracy	Trust Score*
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust 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

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

1,807 reviews

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

1,807 reviews

SWISS

7.5

Good

1,807 reviews

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

9,078 reviews

SWISS

7.5

Good

1,807 reviews

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

4,084 reviews

SWISS

7.5

Good

1,807 reviews

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

7,616 reviews

SWISS

7.5

Good

1,807 reviews

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

How long is the flight from Boston to Cluj Napoca?
For as low as $394, SWISS can have you in Cluj Napoca from Boston in 10h. The distance from Boston to Cluj Napoca is about 4369 mi. Both multi-stop and nonstop flights can be found to your destination and back.
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 46% 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

Browse thousands of different options on Cheapflights for your next trip

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Top 4 airlines flying from Boston to Cluj Napoca

Airline	Cheapest	Average	Flexibility	On-time
Lufthansa	Cheapest$387	Average$635	FlexibilityNo cancel fee	On-time76%
SWISS	Cheapest$434	Average$980	FlexibilityNo cancel fee	On-time79%
Turkish Airlines	Cheapest$564	Average$652	FlexibilityNo cancel fee	On-time77%
United Airlines	Cheapest$641	Average$710	FlexibilityNo cancel fee	On-time69%

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$382+ 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.

Find cheap flights from Boston to Cluj Napoca with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Boston to Cluj Napoca

Cheapest flights from Boston to Cluj NapocaExplore 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 8, 2025.

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 8, 2025.

Find flight deals from Boston to Cluj Napoca

Most accurate provider

Most trusted provider

Round-trip from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Boston to Cluj Napoca that are best for you.

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.

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.

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?

Reviews of airlines servicing Cluj Napoca

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.

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?

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

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

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

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

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Boston to Cluj Napoca

See prices for flight routes from nearby airports that may be better suited for you.

Top 4 airlines flying from Boston to Cluj Napoca

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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 8, 2025.