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 May 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.

$791 Cheap Flights from Boston to Sibiu in 2026

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Find the cheapest flights from Boston to Sibiu

Round-trip

One-way

Cheap round-trip flights

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5:10 pm - 3:25 pm

BOS

SBZ

15h 15m

1 stop

12:05 pm - 1:50 pm

SBZ

BOS

32h 45m

1 stop

$791Austrian Airlines

Mon, Sep 7 - Thu, Oct 8

12:34 pm - 1:05 am

BOS

SBZ

29h 31m

2 stops

12:05 pm - 1:50 pm

SBZ

BOS

32h 45m

1 stop

$795Austrian Airlines

Wed, Sep 9 - Thu, Oct 8

10:40 am - 1:05 am

BOS

SBZ

31h 25m

2 stops

1:40 pm - 3:40 pm

SBZ

BOS

33h 00m

2 stops

$813Multiple Airlines

Wed, Sep 9 - Sat, Oct 10

5:10 pm - 1:05 am

BOS

SBZ

24h 55m

1 stop

12:05 pm - 1:50 pm

SBZ

BOS

32h 45m

1 stop

$841Austrian Airlines

Thu, Sep 10 - Thu, Oct 8

8:05 pm - 12:55 pm

BOS

SBZ

33h 50m

2 stops

12:05 pm - 5:40 pm

SBZ

BOS

36h 35m

2 stops

$850Lufthansa

Mon, Sep 7 - Thu, Oct 8

8:05 pm - 12:55 pm

BOS

SBZ

33h 50m

2 stops

12:05 pm - 5:40 pm

SBZ

BOS

36h 35m

2 stops

$855Lufthansa

Mon, Sep 7 - Thu, Oct 8

5:10 pm - 12:55 pm

BOS

SBZ

12h 45m

1 stop

1:40 pm - 8:10 pm

SBZ

BOS

13h 30m

2 stops

$870Multiple Airlines

Tue, Sep 8 - Fri, Oct 9

8:05 pm - 5:30 pm

BOS

SBZ

14h 25m

1 stop

6:15 am - 5:40 pm

SBZ

BOS

18h 25m

1 stop

$871Lufthansa

Wed, Sep 9 - Sat, Oct 10

5:45 pm - 12:55 pm

BOS

SBZ

12h 10m

2 stops

12:05 pm - 5:40 pm

SBZ

BOS

36h 35m

2 stops

$872Lufthansa

Tue, Sep 8 - Thu, Oct 8

5:10 pm - 12:55 pm

BOS

SBZ

12h 45m

1 stop

1:40 pm - 5:40 pm

SBZ

BOS

35h 00m

2 stops

$874Multiple Airlines

Tue, Sep 8 - Sat, Oct 10

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

Oct 8

SBZ12:05 pmSibiu

32h 45m

1 stop

BOS1:50 pmBoston Logan Intl

$791

Austrian Airlines

Sep 9

BOS12:34 pmBoston Logan Intl

29h 31m

2 stops

SBZ1:05 amSibiu

Oct 8

SBZ12:05 pmSibiu

32h 45m

1 stop

BOS1:50 pmBoston Logan Intl

$795

Austrian Airlines

Sep 10

BOS5:10 pmBoston Logan Intl

24h 55m

1 stop

SBZ1:05 amSibiu

Oct 8

SBZ12:05 pmSibiu

32h 45m

1 stop

BOS1:50 pmBoston Logan Intl

$841

Lufthansa flights from Boston to Sibiu

Our best Lufthansa deals on Boston to Sibiu flight tickets

Lufthansa

Sep 7

BOS8:05 pmBoston Logan Intl

33h 50m

2 stops

SBZ12:55 pmSibiu

Oct 8

SBZ12:05 pmSibiu

36h 35m

2 stops

BOS5:40 pmBoston Logan Intl

$850

Lufthansa

Sep 7

BOS8:05 pmBoston Logan Intl

33h 50m

2 stops

SBZ12:55 pmSibiu

Oct 8

SBZ12:05 pmSibiu

36h 35m

2 stops

BOS5:40 pmBoston Logan Intl

$855

Lufthansa

Sep 9

BOS8:05 pmBoston Logan Intl

14h 25m

1 stop

SBZ5:30 pmSibiu

Oct 10

SBZ6:15 amSibiu

18h 25m

1 stop

BOS5:40 pmBoston Logan Intl

$871

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonSibiu

BOS - SBZ

BOSSBZ

Boston Logan Intl

Mon 9/7

5:10 pm-3:25 pm

1 stop15h 15m

Sibiu

Thu 10/8

12:05 pm-1:50 pm

1 stop32h 45m

$791

BostonSibiu

BOS - SBZ

BOSSBZ

Boston Logan Intl

Wed 9/9

12:34 pm-1:05 am

2 stops29h 31m

Sibiu

Thu 10/8

12:05 pm-1:50 pm

1 stop32h 45m

$795

BostonSibiu

BOS - SBZ

BOSSBZ

Boston Logan Intl

Wed 9/9

10:40 am-1:05 am

2 stops31h 25m

Sibiu

Sat 10/10

1:40 pm-3:40 pm

2 stops33h 00m

$813

BostonSibiu

BOS - SBZ

BOSSBZ

Boston Logan Intl

Thu 9/10

5:10 pm-1:05 am

1 stop24h 55m

Sibiu

Thu 10/8

12:05 pm-1:50 pm

1 stop32h 45m

$841

BostonSibiu

BOS - SBZ

BOSSBZ

Boston Logan Intl

Mon 9/7

8:05 pm-12:55 pm

2 stops33h 50m

Sibiu

Thu 10/8

12:05 pm-5:40 pm

2 stops36h 35m

$850

BostonSibiu

BOS - SBZ

BOSSBZ

Boston Logan Intl

Mon 9/7

8:05 pm-12:55 pm

2 stops33h 50m

Sibiu

Thu 10/8

12:05 pm-5:40 pm

2 stops36h 35m

$855

Quickest round-trip

BostonSibiu

BOS - SBZ

BOSSBZ

Boston Logan Intl

Tue 9/8

5:10 pm-12:55 pm

1 stop12h 45m

Sibiu

Fri 10/9

1:40 pm-8:10 pm

2 stops13h 30m

$870

BostonSibiu

BOS - SBZ

BOSSBZ

Boston Logan Intl

Wed 9/9

8:05 pm-5:30 pm

1 stop14h 25m

Sibiu

Sat 10/10

6:15 am-5:40 pm

1 stop18h 25m

$871

BostonSibiu

BOS - SBZ

BOSSBZ

Boston Logan Intl

Tue 9/8

5:45 pm-12:55 pm

2 stops12h 10m

Sibiu

Thu 10/8

12:05 pm-5:40 pm

2 stops36h 35m

$872

BostonSibiu

BOS - SBZ

BOSSBZ

Boston Logan Intl

Tue 9/8

5:10 pm-12:55 pm

1 stop12h 45m

Sibiu

Sat 10/10

1:40 pm-5:40 pm

2 stops35h 00m

$874

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

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 58% 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	12h 10m
Direct flights	None

The fastest flight from Boston to Sibiu takes 12h 10m

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 12h 10m 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 May 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 7,972 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.