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$644+ Cheap flights from Cluj Napoca (CLJ) to Boston (BOS)

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 1/22. Fares are subject to change and may not be available on all flights or dates of travel.
CLJ — BOS
Feb 5 — Feb 121
Thu 2/5
Thu 2/12
1 adult, Economy
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Cheap flight deals from Cluj Napoca to Boston

Discover tips and strategies to find the most affordable flight options for your journey from Cluj Napoca (CLJ) to Boston (BOS). 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 January 6, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$644
(Lufthansa)

Popular in

January

Cheapest in

September

Average price

$983
Provider with most accurate pricing for Cluj Napoca-Boston Logan Intl flight deals.
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Provider most trusted by Cheapflights users for Cluj Napoca-Boston Logan Intl flights.
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From Cluj Napoca to Boston Logan Intl
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Highest demand for flights based on searches. 4% potential increase in price ($33 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($22 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Find flight deals from Cluj Napoca to Boston

Cheapest flights from Cluj Napoca to Boston
Explore the most affordable flight options available from Cluj Napoca to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 6, 2026.

This Lufthansa deal was found by Cheapflights users on 1/4. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/226:00 amCLJ - BOS
1 stop19h 35mLufthansa
Thu 1/292:20 pmBOS - CLJ
2 stops16h 20mLufthansa
Deal found 1/4$644
This United Airlines deal was found by Cheapflights users on 1/4. 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.
Thu 1/226:00 amCLJ - BOS
2 stops22h 38mUnited Airlines
Thu 1/295:45 amBOS - CLJ
2 stops24h 55mUnited Airlines
Deal found 1/4$649
This Booking.com deal was found by Cheapflights users on 1/4. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/182:25 pmCLJ - BOS
1 stop11h 10mLufthansa
Wed 2/258:40 pmBOS - CLJ
1 stop21h 15mLufthansa
Deal found 1/4$659
This United Airlines deal was found by Cheapflights users on 1/5. 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.
Tue 5/56:00 amCLJ - BOS
1 stop18h 40mUnited Airlines
Tue 6/98:05 pmBOS - CLJ
1 stop10h 05mUnited Airlines
Deal found 1/5$680
This United Airlines deal was found by Cheapflights users on 1/4. 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 2/182:25 pmCLJ - BOS
2 stops35h 43mUnited Airlines
Wed 2/254:25 pmBOS - CLJ
2 stops38h 15mUnited Airlines
Deal found 1/4$695
This Air Canada deal was found by Cheapflights users on 1/4. 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.
Thu 1/226:00 amCLJ - BOS
3 stops19h 02mAir Canada
Thu 1/2910:45 amBOS - CLJ
2 stops19h 55mAir Canada
Deal found 1/4$706

Cheapflights Fare Finder

 
Customize your flight search to find flights from Cluj Napoca to Boston 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 January 6, 2026.
Use the filters below to find and compare flights from Cluj Napoca to Boston that are best for you.

Fly from

Cluj Napoca

Fly to

Boston

Route

Depart

Return

Price

Cluj NapocaBoston

CLJ - BOS

CLJBOS

Cluj Napoca

Thu 1/22

6:00 am-6:35 pm

1 stop19h 35m

Boston Logan Intl

Thu 1/29

2:20 pm-1:40 pm

2 stops16h 20m

$644

Cluj NapocaBoston

CLJ - BOS

CLJBOS

Cluj Napoca

Thu 1/22

6:00 am-9:38 pm

2 stops22h 38m

Boston Logan Intl

Thu 1/29

5:45 am-1:40 pm

2 stops24h 55m

$649

Cluj NapocaBoston

CLJ - BOS

CLJBOS

Cluj Napoca

Wed 2/18

2:25 pm-6:35 pm

1 stop11h 10m

Boston Logan Intl

Wed 2/25

2:20 pm-12:55 am

2 stops27h 35m

$668

Cluj NapocaBoston

CLJ - BOS

CLJBOS

Cluj Napoca

Tue 5/5

6:00 am-5:40 pm

1 stop18h 40m

Boston Logan Intl

Tue 6/9

8:05 pm-5:25 pm

1 stop14h 20m

$680

Cluj NapocaBoston

CLJ - BOS

CLJBOS

Cluj Napoca

Wed 2/18

2:25 pm-7:08 pm

2 stops35h 43m

Boston Logan Intl

Wed 2/25

4:25 pm-1:40 pm

2 stops38h 15m

$695

Cluj NapocaBoston

CLJ - BOS

CLJBOS

Cluj Napoca

Thu 1/22

6:00 am-6:02 pm

3 stops19h 02m

Boston Logan Intl

Thu 1/29

10:45 am-1:40 pm

2 stops19h 55m

$706

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/4

  • Most accurate provider: When it comes to deals on Cluj Napoca-Boston flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Cluj Napoca-Boston flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Cluj Napoca-Boston flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Cluj Napoca-Boston flights, Cheapflights users trust FlightHub the most. FlightHub 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 Cluj Napoca-Boston 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 Cluj Napoca to Boston

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

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

Currently, September is the cheapest month in which you can book a flight from Cluj Napoca to Boston (average of $509). Flying from Cluj Napoca to Boston in January is currently the most expensive (average of $983). 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 Boston

Get insights into the airlines that provide service to Boston. 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 Boston. Reviews last updated January 6, 2026.
See what other customers who have flown with Lufthansa from Cluj Napoca to Boston have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Lufthansa
6.8
Okay
7,683 reviews

Comfort

6.8

Entertainment

6.4

Crew

7.6

Boarding

7.0

Overall

6.8

Food

6.3

Reviews

1 / 20
4.0
Okay

Djermouli,Dec 2025

FRA - SFO

I’m sorry the worst airline united food sales I’m diabetic plus high cholesterol pls seats it’s not comfortable plus screen tv broke I try to charge my phone don’t work I’m not flying with united airlines
Lufthansa
6.8
Okay
7,683 reviews
Lufthansa
6.8
Okay
7,683 reviews

Comfort

6.8

Entertainment

6.4

Crew

7.6

Boarding

7.0

Overall

6.8

Food

6.3

Reviews

1 / 20
4.0
Okay

Djermouli,Dec 2025

FRA - SFO

I’m sorry the worst airline united food sales I’m diabetic plus high cholesterol pls seats it’s not comfortable plus screen tv broke I try to charge my phone don’t work I’m not flying with united airlines

Related info for your journey

Find useful and relevant information for your journey from Cluj Napoca to Boston. 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 Cluj Napoca to Boston?

    For as low as $644, Lufthansa can have you in Boston from Cluj Napoca in 19h 35m. There are 4369 mi between Cluj Napoca and Boston. Both multi-stop and nonstop flights can be found to your destination and back.

  • What is the cheapest airline to fly from Cluj Napoca to Boston round-trip?

    According to our current data, Lufthansa ($608), offers the cheapest pricing from Cluj Napoca to Boston. Users have found that Lufthansa is 18% cheaper than the other options available to this destination.

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

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

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

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

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

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

    Currently, September is the cheapest month in which you can book a flight from Cluj Napoca to Boston (average of $509). Flying from Cluj Napoca to Boston in January is currently the most expensive (average of $983). 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

Traveling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
Cambridge
Medford
Hampton Beach
Watertown
Seekonk
Brockton
Seabrook
Cranston
Lincoln
Lowell
Smithfield
Peabody
Quincy
York Beach
Warwick
Londonderry
Swansea
Old Orchard Beach
Waltham
Chelsea

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Alternative routes for Cluj Napoca to Boston

See prices for flight routes from nearby airports that may be better suited for you.
Otopeni Intl to Boston flights
Timisoara to Boston flights
Otopeni Intl to Albany flights

Top airline flying from Cluj Napoca to Boston

Discover the top airline that operate flights from Cluj Napoca to Boston. 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 January 6, 2026.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$608Average$730FlexibilityNo cancel feeOn-time76%

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