HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Sibiu

$604+ Cheap flights from Boston (BOS) to Sibiu (SBZ)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/30. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SBZ
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Boston to Sibiu with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Boston to Sibiu

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Sibiu (SBZ). 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 March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,386
(Gurufare)

One-way from

$604
(Kiwi.com)

Popular in

February

Cheapest in

May

Average price

$764
Provider with most accurate pricing for Boston Logan Intl-Sibiu flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boston Logan Intl-Sibiu flights.
Search Deals
From Boston Logan Intl to Sibiu
Search Deals
One-way flight from Boston Logan Intl to Sibiu
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($43 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($48 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2025
Search Deals

Find flight deals from Boston to Sibiu

Cheapest flights from Boston to Sibiu
Explore the most affordable flight options available from Boston to Sibiu. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 28, 2025.

This Gurufare deal was found by Cheapflights users on 3/27. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/2310:00 pmBOS - SBZ
2 stops19h 55mLufthansa
Fri 7/46:05 amSBZ - BOS
1 stop18h 35mLufthansa
Deal found 3/27$1,386
This United deal was found by Cheapflights users on 3/27. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/237:00 pmBOS - SBZ
2 stops35h 20mUnited Airlines
Fri 7/41:55 pmSBZ - BOS
2 stops27h 36mUnited Airlines
Deal found 3/27$1,424

Cheapflights Fare Finder

Customize your flight search to find flights from Boston to Sibiu 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 March 28, 2025.
Use the filters below to find and compare flights from Boston to Sibiu that are best for you.

Fly from

Boston

Fly to

Sibiu

Route

Depart

Return

Price

BostonSibiu

BOS - SBZ

BOSSBZ

Boston Logan Intl

Fri 5/23

10:00 pm-12:55 am

2 stops19h 55m

Sibiu

Fri 7/4

6:05 am-5:40 pm

1 stop18h 35m

$1,386

BostonSibiu

BOS - SBZ

BOSSBZ

Boston Logan Intl

Fri 5/23

7:00 pm-1:20 pm

2 stops35h 20m

Sibiu

Fri 7/4

1:55 pm-10:31 am

2 stops27h 36m

$1,424

BostonSibiu

BOS - SBZ

BOSSBZ

Boston Logan Intl

Fri 5/30

10:50 pm-12:55 am

3 stops43h 05m

$604

BostonSibiu

BOS - SBZ

BOSSBZ

Boston Logan Intl

Fri 5/30

8:05 pm-1:20 pm

1 stop10h 15m

$833

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/26

Compare providers for flights from Boston to Sibiu

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 Sibiu in March.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice 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-Sibiu flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boston-Sibiu flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Boston-Sibiu flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Boston-Sibiu 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 Boston-Sibiu 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 Sibiu

Have a flexible travel schedule? Discover the best time to fly to Sibiu 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 Sibiu

Rainfall in Sibiu by month

Plan your trip to Sibiu by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Sibiu ranges from 0.8 - 4.3 inches per month. June is typically the wettest month, when rainfall can reach 4.3 in. January is typically the driest time to visit Sibiu when rainfall is around 0.8 in.

Temperature in Sibiu by month

Plan your trip to Sibiu by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Sibiu, 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 66.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 24.8 F).

Reviews of airlines servicing Sibiu

Get insights into the airlines that provide service to Sibiu. 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 Sibiu. Reviews last updated March 28, 2025.
United Airlines
7.4
Good
8,603 reviews

Boarding

7.7

Comfort

7.3

Food

6.6

Entertainment

7.0

Overall

7.4

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,603 reviews
United Airlines
7.4
Good
8,603 reviews

Boarding

7.7

Comfort

7.3

Food

6.6

Entertainment

7.0

Overall

7.4

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Lufthansa
6.7
Okay
6,955 reviews
United Airlines
7.4
Good
8,603 reviews

Boarding

7.7

Comfort

7.3

Food

6.6

Entertainment

7.0

Overall

7.4

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Related info for your journey

Find useful and relevant information for your journey from Boston to Sibiu. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    Currently priced at $1,386, Lufthansa will fly you from Boston to Sibiu and back. In addition to Lufthansa, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on United Airlines for as low as $1,424.

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

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

  • How can I find direct flights from Boston to Sibiu?

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

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

    Yes. Cheapflights offers flight deals from Boston to Sibiu by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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.

Top airline flying from Boston to Sibiu

Discover the top airline that operate flights from Boston to Sibiu. 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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$704Average$918FlexibilityNo cancel feeOn-time76%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.