What airlines fly to Sibiu?

Lufthansa, Turkish Airlines and SWISS are the top three most popular airlines that fly to Sibiu from Boston according to our data. Lufthansa is the first choice among our users, with 64% of people opting to fly with this airline when traveling to Sibiu. Keep in mind that there are 4 different airlines that fly to Sibiu on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Boston Logan Intl to Sibiu?

Lufthansa is the most popular carrier operating from Boston Logan Intl to Sibiu

When did momondo last update prices for flights from Boston Logan Intl Airport to Sibiu Airport?

Prices for flights from Boston Logan Intl Airport to Sibiu Airport are updated daily.

How many operators does momondo search for flights from Boston Logan Intl Airport to Sibiu Airport?

As of November 2025, there is 1 operator available to choose from for flights from Boston Logan Intl Airport to Sibiu Airport.

How old do you have to be to fly from Boston Logan Intl Airport to Sibiu Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Boston Logan Intl Airport to Sibiu Airport.

What documentation or ID do you need to fly to Sibiu Airport?

The travel and health documents you'll need for your trip to Sibiu Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Sibiu Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$295 Cheap Flights from Boston to Sibiu in 2025/26

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Find the cheapest flights from Boston to Sibiu

Round-trip

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Cheap round-trip flights

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9:40 pm - 6:15 pmBOS-SBZ

14h 35m1 stop

6:05 am - 5:40 pmSBZ-BOS

18h 35m1 stop

$588Lufthansa

Find Deal

Fri, Mar 27 - Tue, Mar 31

11:59 am - 1:45 pmBOS-SBZ

18h 46m2 stops

6:00 am - 6:35 pmSBZ-BOS

19h 35m1 stop

$590United Airlines

Find Deal

Thu, Nov 27 - Thu, Dec 4

8:40 pm - 6:15 pmBOS-SBZ

14h 35m1 stop

4:05 pm - 5:14 pmSBZ-BOS

32h 09m2 stops

$596Multiple Airlines

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Wed, Jan 21 - Sun, Jan 25

9:40 pm - 6:15 pmBOS-SBZ

14h 35m1 stop

6:05 am - 7:23 pmSBZ-BOS

20h 18m2 stops

$597United Airlines

Find Deal

Fri, Mar 27 - Tue, Mar 31

1:30 pm - 6:15 pmBOS-SBZ

21h 45m2 stops

2:30 pm - 9:52 pmSBZ-BOS

14h 22m2 stops

$603United Airlines

Find Deal

Wed, Jan 21 - Sun, Jan 25

11:10 pm - 6:15 pmBOS-SBZ

13h 05m2 stops

6:05 am - 7:23 pmSBZ-BOS

20h 18m2 stops

$617United Airlines

Find Deal

Fri, Mar 27 - Tue, Mar 31

5:25 pm - 6:15 pmBOS-SBZ

18h 50m2 stops

1:55 pm - 11:54 pmSBZ-BOS

16h 59m2 stops

$644Lufthansa

Find Deal

Fri, Mar 27 - Tue, Mar 31

8:40 pm - 1:45 pmBOS-SBZ

10h 05m1 stop

6:00 am - 6:35 pmSBZ-BOS

19h 35m1 stop

$770United Airlines

Find Deal

Sat, Nov 29 - Sat, Dec 6

1:39 pm - 1:45 pmBOS-SBZ

17h 06m2 stops

6:00 am - 6:35 pmSBZ-BOS

19h 35m1 stop

$775United Airlines

Find Deal

Sat, Nov 29 - Sat, Dec 6

8:40 pm - 1:45 pmBOS-SBZ

10h 05m1 stop

6:00 am - 6:35 pmSBZ-BOS

19h 35m1 stop

$795Lufthansa

Find Deal

Thu, Nov 27 - Thu, Dec 4

Lufthansa flights from Boston to Sibiu

Our best Lufthansa deals on Boston to Sibiu flight tickets

Lufthansa

Mar 27

BOS9:40 pmBoston Logan Intl

14h 35m

1 stop

SBZ6:15 pmSibiu

Mar 31

SBZ6:05 amSibiu

18h 35m

1 stop

BOS5:40 pmBoston Logan Intl

$588

Find similar

Lufthansa

Mar 27

BOS5:25 pmBoston Logan Intl

18h 50m

2 stops

SBZ6:15 pmSibiu

Mar 31

SBZ1:55 pmSibiu

16h 59m

2 stops

BOS11:54 pmBoston Logan Intl

$644

Find similar

Lufthansa

Nov 27

BOS8:40 pmBoston Logan Intl

10h 05m

1 stop

SBZ1:45 pmSibiu

Dec 4

SBZ6:00 amSibiu

19h 35m

1 stop

BOS6:35 pmBoston Logan Intl

$795

Find similar

United Airlines flights from Boston to Sibiu

Our best United Airlines deals on Boston to Sibiu flight tickets

United Airlines

Nov 27

BOS11:59 amBoston Logan Intl

18h 46m

2 stops

SBZ1:45 pmSibiu

Dec 4

SBZ6:00 amSibiu

19h 35m

1 stop

BOS6:35 pmBoston Logan Intl

$590

Find similar

United Airlines

Mar 27

BOS9:40 pmBoston Logan Intl

14h 35m

1 stop

SBZ6:15 pmSibiu

Mar 31

SBZ6:05 amSibiu

20h 18m

2 stops

BOS7:23 pmBoston Logan Intl

$597

Find similar

United Airlines

Jan 21

BOS1:30 pmBoston Logan Intl

21h 45m

2 stops

SBZ6:15 pmSibiu

Jan 25

SBZ2:30 pmSibiu

14h 22m

2 stops

BOS9:52 pmBoston Logan Intl

$603

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BostonSibiu

BOS - SBZ

BOSSBZ

Boston Logan Intl

Fri 3/27

9:40 pm-6:15 pm

1 stop14h 35m

Sibiu

Tue 3/31

6:05 am-5:40 pm

1 stop18h 35m

$588

BostonSibiu

BOS - SBZ

BOSSBZ

Boston Logan Intl

Thu 11/27

11:59 am-1:45 pm

2 stops18h 46m

Sibiu

Thu 12/4

6:00 am-6:35 pm

1 stop19h 35m

$590

BostonSibiu

BOS - SBZ

BOSSBZ

Boston Logan Intl

Wed 1/21

8:40 pm-6:15 pm

1 stop14h 35m

Sibiu

Sun 1/25

4:05 pm-5:14 pm

2 stops32h 09m

$596

BostonSibiu

BOS - SBZ

BOSSBZ

Boston Logan Intl

Fri 3/27

9:40 pm-6:15 pm

1 stop14h 35m

Sibiu

Tue 3/31

6:05 am-7:23 pm

2 stops20h 18m

$597

BostonSibiu

BOS - SBZ

BOSSBZ

Boston Logan Intl

Wed 1/21

1:30 pm-6:15 pm

2 stops21h 45m

Sibiu

Sun 1/25

2:30 pm-9:52 pm

2 stops14h 22m

$603

BostonSibiu

BOS - SBZ

BOSSBZ

Boston Logan Intl

Fri 3/27

11:10 pm-6:15 pm

2 stops13h 05m

Sibiu

Tue 3/31

6:05 am-7:23 pm

2 stops20h 18m

$617

BostonSibiu

BOS - SBZ

BOSSBZ

Boston Logan Intl

Fri 3/27

5:25 pm-6:15 pm

2 stops18h 50m

Sibiu

Tue 3/31

1:55 pm-11:54 pm

2 stops16h 59m

$644

BostonSibiu

BOS - SBZ

BOSSBZ

Boston Logan Intl

Sat 11/29

8:40 pm-1:45 pm

1 stop10h 05m

Sibiu

Sat 12/6

6:00 am-6:35 pm

1 stop19h 35m

$770

BostonSibiu

BOS - SBZ

BOSSBZ

Boston Logan Intl

Sat 11/29

1:39 pm-1:45 pm

2 stops17h 06m

Sibiu

Sat 12/6

6:00 am-6:35 pm

1 stop19h 35m

$775

BostonSibiu

BOS - SBZ

BOSSBZ

Boston Logan Intl

Thu 11/27

8:40 pm-1:45 pm

1 stop10h 05m

Sibiu

Thu 12/4

6:00 am-6:35 pm

1 stop19h 35m

$795

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first

How to get the cheapest flight ticket from Boston to Sibiu

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest day to depart on your flight to Sibiu?

The cheapest day to depart from Boston to Sibiu is on a Friday when prices can be found for as low as $842. On the other hand, Thursday is the most expensive day to depart from Boston because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $967.

When to book flights from Boston to Sibiu

Are you open to changing your travel dates? Check out the ideal times to fly from Boston to Sibiu according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Boston to Sibiu (BOS to SBZ) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boston to Sibiu

Direct flights	None

There are no direct flights from Boston to Sibiu. There are no popular flight routes from Boston to Sibiu.

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How far is Boston Logan Intl to Sibiu by plane?
There are 4428.1 mi between Boston Logan Intl and Sibiu. Typically, this will take 10h 05m by plane in normal conditions.
When did momondo last update prices for flights from Boston Logan Intl Airport to Sibiu Airport?
Prices for flights from Boston Logan Intl Airport to Sibiu Airport are updated daily.
How many operators does momondo search for flights from Boston Logan Intl Airport to Sibiu Airport?
As of November 2025, there is 1 operator available to choose from for flights from Boston Logan Intl Airport to Sibiu Airport.
How old do you have to be to fly from Boston Logan Intl Airport to Sibiu Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Boston Logan Intl Airport to Sibiu Airport.
What documentation or ID do you need to fly to Sibiu Airport?
The travel and health documents you'll need for your trip to Sibiu Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Sibiu Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Boston to Sibiu?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Boston to Sibiu is Lufthansa (100% of total bookings).

Best airlines flying from Boston to Sibiu

Compare and see reviews for airlines that fly from Boston to Sibiu with momondo

Airline	Rating	Free Cancellation	Price
Lufthansa	PriceFrom $585	Free Cancellation	Rating 6.8 7,545 reviews		Search Lufthansa flights

Alba Iulia

Why use momondo?

Why should I use momondo to find a flight deal from Boston to Sibiu?

It is quick and easy to find Boston to Sibiu flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Sibiu that suits you.

Can I find flights from Boston to Sibiu with flexible booking policies on momondo?

Yes. All flights to Sibiu from Boston on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Boston to Sibiu?

Once you have performed a search for Boston to Sibiu flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Boston to Sibiu right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Boston to Sibiu flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.