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 June 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.

$512 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

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

9:20 pm - 1:30 am

BOS

SBZ

21h 10m

1 stop

6:30 pm - 9:05 pm

SBZ

BOS

33h 35m

2 stops

$848Multiple Airlines

Mon, Sep 7 - Wed, Sep 16

6:50 pm - 3:25 pm

BOS

SBZ

37h 35m

2 stops

4:10 pm - 9:50 am

SBZ

BOS

48h 40m

2 stops

$865Multiple Airlines

Sun, Sep 6 - Tue, Sep 15

6:50 pm - 3:25 pm

BOS

SBZ

37h 35m

2 stops

4:10 pm - 9:50 am

SBZ

BOS

48h 40m

2 stops

$866Multiple Airlines

Sun, Sep 6 - Tue, Sep 15

9:20 pm - 1:30 am

BOS

SBZ

21h 10m

1 stop

5:15 pm - 9:05 pm

SBZ

BOS

34h 50m

2 stops

$932Multiple Airlines

Mon, Sep 7 - Tue, Sep 15

5:10 pm - 3:25 pm

BOS

SBZ

15h 15m

1 stop

4:10 pm - 9:26 pm

SBZ

BOS

36h 16m

2 stops

$940Multiple Airlines

Mon, Sep 7 - Tue, Sep 15

6:50 pm - 3:25 pm

BOS

SBZ

37h 35m

2 stops

4:10 pm - 1:50 pm

SBZ

BOS

28h 40m

1 stop

$942Multiple Airlines

Sun, Sep 6 - Tue, Sep 15

6:50 pm - 3:25 pm

BOS

SBZ

37h 35m

2 stops

4:10 pm - 1:50 pm

SBZ

BOS

28h 40m

1 stop

$943Multiple Airlines

Sun, Sep 6 - Tue, Sep 15

6:05 pm - 1:30 am

BOS

SBZ

24h 25m

2 stops

11:40 am - 8:20 pm

SBZ

BOS

39h 40m

3 stops

$944Multiple Airlines

Mon, Sep 7 - Tue, Sep 15

3:35 pm - 12:55 pm

BOS

SBZ

14h 20m

2 stops

4:10 pm - 9:50 am

SBZ

BOS

48h 40m

2 stops

$963Multiple Airlines

Tue, Sep 8 - Tue, Sep 15

10:05 am - 1:30 am

BOS

SBZ

32h 25m

3 stops

11:40 am - 8:20 pm

SBZ

BOS

39h 40m

3 stops

$969Multiple Airlines

Mon, Sep 7 - Tue, Sep 15

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Lufthansa flights from Boston to Sibiu

Our best Lufthansa deals on Boston to Sibiu flight tickets

Lufthansa

Sep 9

BOS8:05 pmBoston Logan Intl

33h 50m

2 stops

SBZ12:55 pmSibiu

Sep 17

SBZ12:05 pmSibiu

36h 35m

2 stops

BOS5:40 pmBoston Logan Intl

$1,077

Lufthansa

Sep 8

BOS5:45 pmBoston Logan Intl

12h 10m

2 stops

SBZ12:55 pmSibiu

Sep 17

SBZ12:05 pmSibiu

36h 35m

2 stops

BOS5:40 pmBoston Logan Intl

$1,098

Lufthansa

Sep 6

BOS10:00 pmBoston Logan Intl

34h 25m

2 stops

SBZ3:25 pmSibiu

Sep 13

SBZ6:00 amSibiu

16h 40m

2 stops

BOS3:40 pmBoston Logan Intl

$1,167

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

15h 15m

1 stop

SBZ3:25 pmSibiu

Sep 15

SBZ4:10 pmSibiu

28h 40m

1 stop

BOS1:50 pmBoston Logan Intl

$999

Austrian Airlines

Sep 7

BOS5:10 pmBoston Logan Intl

15h 15m

1 stop

SBZ3:25 pmSibiu

Sep 15

SBZ4:10 pmSibiu

28h 40m

1 stop

BOS1:50 pmBoston Logan Intl

$1,018

Austrian Airlines

Sep 9

BOS5:10 pmBoston Logan Intl

24h 55m

1 stop

SBZ1:05 amSibiu

Sep 17

SBZ12:05 pmSibiu

32h 45m

1 stop

BOS1:50 pmBoston Logan Intl

$1,024

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonSibiu

BOS - SBZ

BOSSBZ

Boston Logan Intl

Mon 9/7

9:20 pm-1:30 am

1 stop21h 10m

Sibiu

Wed 9/16

6:30 pm-9:05 pm

2 stops33h 35m

$848

BostonSibiu

BOS - SBZ

BOSSBZ

Boston Logan Intl

Sun 9/6

6:50 pm-3:25 pm

2 stops37h 35m

Sibiu

Tue 9/15

4:10 pm-9:50 am

2 stops48h 40m

$865

BostonSibiu

BOS - SBZ

BOSSBZ

Boston Logan Intl

Sun 9/6

6:50 pm-3:25 pm

2 stops37h 35m

Sibiu

Tue 9/15

4:10 pm-9:50 am

2 stops48h 40m

$866

BostonSibiu

BOS - SBZ

BOSSBZ

Boston Logan Intl

Mon 9/7

9:20 pm-1:30 am

1 stop21h 10m

Sibiu

Tue 9/15

5:15 pm-9:05 pm

2 stops34h 50m

$932

Quickest round-trip

BostonSibiu

BOS - SBZ

BOSSBZ

Boston Logan Intl

Mon 9/7

5:10 pm-3:25 pm

1 stop15h 15m

Sibiu

Tue 9/15

4:10 pm-9:26 pm

2 stops36h 16m

$940

BostonSibiu

BOS - SBZ

BOSSBZ

Boston Logan Intl

Sun 9/6

6:50 pm-3:25 pm

2 stops37h 35m

Sibiu

Tue 9/15

4:10 pm-1:50 pm

1 stop28h 40m

$942

BostonSibiu

BOS - SBZ

BOSSBZ

Boston Logan Intl

Sun 9/6

6:50 pm-3:25 pm

2 stops37h 35m

Sibiu

Tue 9/15

4:10 pm-1:50 pm

1 stop28h 40m

$943

BostonSibiu

BOS - SBZ

BOSSBZ

Boston Logan Intl

Mon 9/7

6:05 pm-1:30 am

2 stops24h 25m

Sibiu

Tue 9/15

11:40 am-8:20 pm

3 stops39h 40m

$944

BostonSibiu

BOS - SBZ

BOSSBZ

Boston Logan Intl

Tue 9/8

3:35 pm-12:55 pm

2 stops14h 20m

Sibiu

Tue 9/15

4:10 pm-9:50 am

2 stops48h 40m

$963

BostonSibiu

BOS - SBZ

BOSSBZ

Boston Logan Intl

Mon 9/7

10:05 am-1:30 am

3 stops32h 25m

Sibiu

Tue 9/15

11:40 am-8:20 pm

3 stops39h 40m

$969

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 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

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 60% 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.

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	36h 20m
Direct flights	None

The fastest flight from Boston to Sibiu takes 36h 20m

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 36h 20m 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 June 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 $585	Free Cancellation	Rating 6.8 8,088 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.