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 54% of people opting to fly with this airline when traveling to Sibiu. Keep in mind that there are 3 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?

Austrian Airlines 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 August 2026, 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.

$381 Cheap Flights from Boston to Sibiu in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Boston to Sibiu

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:50 pm - 1:20 amBOS Boston Logan Intl-SBZ Sibiu

21h 30m2 stops Reykjavik Keflavik Intl London Heathrow

8:55 pm - 2:40 pmSBZ Sibiu-BOS Boston Logan Intl

24h 45m2 stops Rome Fiumicino Lisbon Humberto Delgado

$820Multiple Airlines

Tue, Sep 29 - Tue, Nov 3

8:50 pm - 11:55 pmBOS Boston Logan Intl-SBZ Sibiu

20h 05m2 stops Reykjavik Keflavik Intl London Gatwick

8:55 pm - 2:40 pmSBZ Sibiu-BOS Boston Logan Intl

24h 45m2 stops Rome Fiumicino Lisbon Humberto Delgado

$829Multiple Airlines

Wed, Sep 30 - Tue, Nov 3

8:50 pm - 1:20 amBOS Boston Logan Intl-SBZ Sibiu

21h 30m2 stops Reykjavik Keflavik Intl London Heathrow

5:45 am - 8:45 pmSBZ Sibiu-BOS Boston Logan Intl

22h 00m3 stops Madrid Barajas Lisbon Humberto Delgado Porto

$837Multiple Airlines

Tue, Sep 29 - Tue, Nov 3

8:50 pm - 11:55 pmBOS Boston Logan Intl-SBZ Sibiu

20h 05m2 stops Reykjavik Keflavik Intl London Gatwick

5:45 am - 8:45 pmSBZ Sibiu-BOS Boston Logan Intl

22h 00m3 stops Madrid Barajas Lisbon Humberto Delgado Porto

$848Multiple Airlines

Wed, Sep 30 - Tue, Nov 3

5:25 pm - 12:40 amBOS Boston Logan Intl-SBZ Sibiu

24h 15m2 stops Dublin London Heathrow

8:55 pm - 6:35 amSBZ Sibiu-BOS Boston Logan Intl

40h 40m3 stops Rome Fiumicino Barcelona-El Prat Bogotá El Dorado

$871Multiple Airlines

Thu, Oct 1 - Tue, Nov 3

5:30 am - 3:25 pmBOS Boston Logan Intl-SBZ Sibiu

27h 55m2 stops Montreal Pierre Elliott Trudeau Intl Vienna Intl

4:05 pm - 2:18 pmSBZ Sibiu-BOS Boston Logan Intl

53h 13m2 stops Vienna Intl Toronto Pearson Intl

$873Multiple Airlines

Thu, Oct 29 - Mon, Nov 2

5:25 pm - 12:40 amBOS Boston Logan Intl-SBZ Sibiu

24h 15m2 stops Dublin London Heathrow

8:55 pm - 2:40 pmSBZ Sibiu-BOS Boston Logan Intl

24h 45m2 stops Rome Fiumicino Lisbon Humberto Delgado

$878Multiple Airlines

Thu, Oct 1 - Tue, Nov 3

11:00 pm - 11:55 pmBOS Boston Logan Intl-SBZ Sibiu

17h 55m2 stops Reykjavik Keflavik Intl London Gatwick

5:45 am - 8:00 pmSBZ Sibiu-BOS Boston Logan Intl

21h 15m1 stop Madrid Barajas

$910Multiple Airlines

Wed, Sep 30 - Tue, Nov 3

8:50 pm - 1:20 amBOS Boston Logan Intl-SBZ Sibiu

21h 30m2 stops Reykjavik Keflavik Intl London Heathrow

5:45 am - 8:00 pmSBZ Sibiu-BOS Boston Logan Intl

21h 15m1 stop Madrid Barajas

$912Multiple Airlines

Tue, Sep 29 - Tue, Nov 3

10:50 am - 12:40 amBOS Boston Logan Intl-SBZ Sibiu

30h 50m3 stops Toronto Pearson Intl Madrid Barajas London Luton

8:55 pm - 6:35 amSBZ Sibiu-BOS Boston Logan Intl

40h 40m3 stops Rome Fiumicino Barcelona-El Prat Bogotá El Dorado

$916Multiple Airlines

Thu, Oct 1 - Tue, Nov 3

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Austrian Airlines flights from Boston to Sibiu

Our best Austrian Airlines deals on Boston to Sibiu flight tickets

Austrian Airlines

Sep 7

BOS5:10 pmBoston Logan Intl

17h 45m

1 stop

SBZ5:55 pmSibiu

Sep 15

SBZ4:10 pmSibiu

28h 40m

1 stop

BOS1:50 pmBoston Logan Intl

$1,015

Austrian Airlines

Sep 28

BOS5:10 pmBoston Logan Intl

15h 15m

1 stop

SBZ3:25 pmSibiu

Nov 9

SBZ4:05 pmSibiu

28h 25m

1 stop

BOS1:30 pmBoston Logan Intl

$1,023

Austrian Airlines

Sep 21

BOS5:10 pmBoston Logan Intl

15h 15m

1 stop

SBZ3:25 pmSibiu

Sep 25

SBZ6:00 amSibiu

14h 50m

1 stop

BOS1:50 pmBoston Logan Intl

$1,035

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonSibiu

BOS Boston Logan Intl - SBZ Sibiu

BOSSBZ

Boston Logan Intl

Tue 9/29

8:50 pm-1:20 am

2 stops21h 30m

Sibiu

Tue 11/3

8:55 pm-2:40 pm

2 stops24h 45m

$820

BostonSibiu

BOS Boston Logan Intl - SBZ Sibiu

BOSSBZ

Boston Logan Intl

Wed 9/30

8:50 pm-11:55 pm

2 stops20h 05m

Sibiu

Tue 11/3

8:55 pm-2:40 pm

2 stops24h 45m

$829

BostonSibiu

BOS Boston Logan Intl - SBZ Sibiu

BOSSBZ

Boston Logan Intl

Tue 9/29

8:50 pm-1:20 am

2 stops21h 30m

Sibiu

Tue 11/3

5:45 am-8:45 pm

3 stops22h 00m

$837

BostonSibiu

BOS Boston Logan Intl - SBZ Sibiu

BOSSBZ

Boston Logan Intl

Wed 9/30

8:50 pm-11:55 pm

2 stops20h 05m

Sibiu

Tue 11/3

5:45 am-8:45 pm

3 stops22h 00m

$848

BostonSibiu

BOS Boston Logan Intl - SBZ Sibiu

BOSSBZ

Boston Logan Intl

Thu 10/1

5:25 pm-12:40 am

2 stops24h 15m

Sibiu

Tue 11/3

8:55 pm-6:35 am

3 stops40h 40m

$871

BostonSibiu

BOS Boston Logan Intl - SBZ Sibiu

BOSSBZ

Boston Logan Intl

Thu 10/29

5:30 am-3:25 pm

2 stops27h 55m

Sibiu

Mon 11/2

4:05 pm-2:18 pm

2 stops53h 13m

$873

BostonSibiu

BOS Boston Logan Intl - SBZ Sibiu

BOSSBZ

Boston Logan Intl

Thu 10/1

5:25 pm-12:40 am

2 stops24h 15m

Sibiu

Tue 11/3

8:55 pm-2:40 pm

2 stops24h 45m

$878

Quickest round-trip

BostonSibiu

BOS Boston Logan Intl - SBZ Sibiu

BOSSBZ

Boston Logan Intl

Wed 9/30

11:00 pm-11:55 pm

2 stops17h 55m

Sibiu

Tue 11/3

5:45 am-8:00 pm

1 stop21h 15m

$910

BostonSibiu

BOS Boston Logan Intl - SBZ Sibiu

BOSSBZ

Boston Logan Intl

Tue 9/29

8:50 pm-1:20 am

2 stops21h 30m

Sibiu

Tue 11/3

5:45 am-8:00 pm

1 stop21h 15m

$912

BostonSibiu

BOS Boston Logan Intl - SBZ Sibiu

BOSSBZ

Boston Logan Intl

Thu 10/1

10:50 am-12:40 am

3 stops30h 50m

Sibiu

Tue 11/3

8:55 pm-6:35 am

3 stops40h 40m

$916

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 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

Can stopping save me money on Boston to Sibiu flights?

You could potentially save up to 26% on your flight if you consider stops on a Boston to Sibiu flight.

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

Fastest flight time	16h 50m
Direct flights	None

The fastest flight from Boston to Sibiu takes 16h 50m

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

Search flight deals

Frequently asked questions about flying from Boston to Sibiu

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 16h 50m 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 2026, 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 $695	Free Cancellation	Rating 6.8 8,177 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.