What airlines fly to Sibiu?

Lufthansa, United Airlines and Turkish Airlines 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 58% 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.

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 August 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.

$434 Cheap Flights from Boston to Sibiu in 2025

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Find the cheapest flights from Boston to Sibiu

Round-trip

One-way

Cheap round-trip flights

6:00 am - 5:20 pmBOS-SBZ

28h 20m2 stops

5:55 pm - 9:30 amSBZ-BOS

46h 35m2 stops

$434

Find Deal

Sun, Sep 21 - Mon, Sep 29

6:00 am - 5:20 pmBOS-SBZ

28h 20m2 stops

5:55 pm - 5:40 pmSBZ-BOS

30h 45m1 stop

$514

Find Deal

Sun, Sep 21 - Mon, Sep 29

8:05 pm - 1:20 pmBOS-SBZ

10h 15m1 stop

6:00 am - 9:52 amSBZ-BOS

33h 52m2 stops

$559

Find Deal

Mon, Sep 22 - Mon, Oct 27

12:15 pm - 1:20 pmBOS-SBZ

18h 05m2 stops

6:05 am - 3:59 pmSBZ-BOS

40h 54m2 stops

$582

Find Deal

Tue, Sep 9 - Fri, Sep 12

8:05 pm - 5:20 pmBOS-SBZ

14h 15m1 stop

5:55 pm - 5:40 pmSBZ-BOS

30h 45m1 stop

$594Lufthansa

Find Deal

Sun, Sep 21 - Mon, Sep 29

8:40 pm - 1:40 pmBOS-SBZ

10h 00m1 stop

2:25 pm - 9:52 amSBZ-BOS

50h 27m2 stops

$602United Airlines

Find Deal

Thu, Jan 15 - Mon, Jan 19

6:00 am - 1:40 pmBOS-SBZ

24h 40m2 stops

2:25 pm - 12:14 pmSBZ-BOS

52h 49m2 stops

$606United Airlines

Find Deal

Thu, Jan 15 - Mon, Jan 19

6:00 am - 1:40 pmBOS-SBZ

24h 40m2 stops

2:25 pm - 9:52 amSBZ-BOS

50h 27m2 stops

$607United Airlines

Find Deal

Thu, Jan 15 - Mon, Jan 19

8:05 pm - 1:20 pmBOS-SBZ

10h 15m1 stop

6:05 am - 5:40 pmSBZ-BOS

18h 35m1 stop

$730Lufthansa

Find Deal

Tue, Sep 9 - Fri, Sep 12

2:40 pm - 1:20 pmBOS-SBZ

15h 40m2 stops

6:05 am - 5:40 pmSBZ-BOS

18h 35m1 stop

$740Lufthansa

Find Deal

Tue, Sep 9 - Fri, Sep 12

United Airlines flights from Boston to Sibiu

Our best United Airlines deals on Boston to Sibiu flight tickets

United Airlines

Jan 15

BOS8:40 pmBoston Logan Intl

10h 00m

1 stop

SBZ1:40 pmSibiu

Jan 19

SBZ2:25 pmSibiu

50h 27m

2 stops

BOS9:52 amBoston Logan Intl

$602

Find similar

United Airlines

Jan 15

BOS6:00 amBoston Logan Intl

24h 40m

2 stops

SBZ1:40 pmSibiu

Jan 19

SBZ2:25 pmSibiu

52h 49m

2 stops

BOS12:14 pmBoston Logan Intl

$606

Find similar

United Airlines

Jan 15

BOS6:00 amBoston Logan Intl

24h 40m

2 stops

SBZ1:40 pmSibiu

Jan 19

SBZ2:25 pmSibiu

50h 27m

2 stops

BOS9:52 amBoston Logan Intl

$607

Find similar

Lufthansa flights from Boston to Sibiu

Our best Lufthansa deals on Boston to Sibiu flight tickets

Lufthansa

Sep 21

BOS8:05 pmBoston Logan Intl

14h 15m

1 stop

SBZ5:20 pmSibiu

Sep 29

SBZ5:55 pmSibiu

30h 45m

1 stop

BOS5:40 pmBoston Logan Intl

$594

Find similar

Lufthansa

Sep 9

BOS8:05 pmBoston Logan Intl

10h 15m

1 stop

SBZ1:20 pmSibiu

Sep 12

SBZ6:05 amSibiu

18h 35m

1 stop

BOS5:40 pmBoston Logan Intl

$730

Find similar

Lufthansa

Sep 9

BOS2:40 pmBoston Logan Intl

15h 40m

2 stops

SBZ1:20 pmSibiu

Sep 12

SBZ6:05 amSibiu

18h 35m

1 stop

BOS5:40 pmBoston Logan Intl

$740

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BostonSibiu

BOS - SBZ

BOSSBZ

Boston Logan Intl

Sun 9/21

6:00 am-5:20 pm

2 stops28h 20m

Sibiu

Mon 9/29

5:55 pm-9:30 am

2 stops46h 35m

$434

BostonSibiu

BOS - SBZ

BOSSBZ

Boston Logan Intl

Sun 9/21

6:00 am-5:20 pm

2 stops28h 20m

Sibiu

Mon 9/29

5:55 pm-5:40 pm

1 stop30h 45m

$514

BostonSibiu

BOS - SBZ

BOSSBZ

Boston Logan Intl

Mon 9/22

8:05 pm-1:20 pm

1 stop10h 15m

Sibiu

Mon 10/27

6:00 am-9:52 am

2 stops33h 52m

$559

BostonSibiu

BOS - SBZ

BOSSBZ

Boston Logan Intl

Tue 9/9

12:15 pm-1:20 pm

2 stops18h 05m

Sibiu

Fri 9/12

6:05 am-3:59 pm

2 stops40h 54m

$582

BostonSibiu

BOS - SBZ

BOSSBZ

Boston Logan Intl

Sun 9/21

8:05 pm-5:20 pm

1 stop14h 15m

Sibiu

Mon 9/29

5:55 pm-5:40 pm

1 stop30h 45m

$594

BostonSibiu

BOS - SBZ

BOSSBZ

Boston Logan Intl

Thu 1/15

8:40 pm-1:40 pm

1 stop10h 00m

Sibiu

Mon 1/19

2:25 pm-9:52 am

2 stops50h 27m

$602

BostonSibiu

BOS - SBZ

BOSSBZ

Boston Logan Intl

Thu 1/15

6:00 am-1:40 pm

2 stops24h 40m

Sibiu

Mon 1/19

2:25 pm-12:14 pm

2 stops52h 49m

$606

BostonSibiu

BOS - SBZ

BOSSBZ

Boston Logan Intl

Thu 1/15

6:00 am-1:40 pm

2 stops24h 40m

Sibiu

Mon 1/19

2:25 pm-9:52 am

2 stops50h 27m

$607

BostonSibiu

BOS - SBZ

BOSSBZ

Boston Logan Intl

Tue 9/9

8:05 pm-1:20 pm

1 stop10h 15m

Sibiu

Fri 9/12

6:05 am-5:40 pm

1 stop18h 35m

$730

BostonSibiu

BOS - SBZ

BOSSBZ

Boston Logan Intl

Tue 9/9

2:40 pm-1:20 pm

2 stops15h 40m

Sibiu

Fri 9/12

6:05 am-5:40 pm

1 stop18h 35m

$740

Flights are sorted by cheapest round-trip flights first.

Sorted 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

Best Price Found	$434
Fastest flight time	10h 00m
Direct flights	None
Airports in Sibiu	1 airport

The best flight deal from Boston to Sibiu found on momondo in the last 72 hours is $434

The fastest flight from Boston to Sibiu takes 10h 00m

There are no direct flights from Boston to Sibiu. Popular non-direct route for this connection is Boston Logan Intl Airport - Sibiu Airport.

There is 1 airport near Sibiu: Sibiu (SBZ)

Search flight deals

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 00m 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 August 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 $764	Free Cancellation	Rating 6.8 7,280 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.