Cheap flights from Boston to Vienna from $240

In general, February is the cheapest month to fly from Boston to Vienna. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $653. If you aren’t able to travel to Vienna during the month of February, then flying in May is also cheap. Prices for this month can be found on momondo for an average of $653.

On average, the least expensive day to fly to Vienna from Boston is on a Monday. momondo users have found tickets for Monday departures for as low as $599. However, this price may fluctuate depending on the airline, the season, and holidays. 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 $974.

The cheapest time of day to fly to Vienna is in the evening when flights can be purchased for as low as $618. Try not to purchase tickets in the afternoon because they tend to be around $723. Of course, these prices can vary depending on the time of year and what airport you fly to.

Fly from Boston Logan Intl to Vienna Intl for the best Boston Logan Intl - Vienna Intl flight prices

You are more likely to see cheaper flights to Vienna from Boston when booking weeks ahead of your departure date. In general, you can expect to find flights to Vienna for around $778 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Vienna from Boston for as low as $676 on momondo.

There are 3 cabin classes available to choose from on Boston Logan Intl to Vienna Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

You could potentially save up to 15% on your flight if you consider stops on a Boston to Vienna flight.

As of March 2026, prices for Boston to Vienna flights are approximately 9% cheaper when compared to flights at the same time last year.

Historically, on average around 6% of flights between Boston and Vienna have experienced a delay on any given week. The average delay length over the past 12 months has been 67 minutes.

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights in the evening have, in the past, seen delays more frequently in comparison.

Wednesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

According to our data, Austrian Airlines have had the least number of delays on this route over the last 12 months; with about 6% of their flights experiencing any sort of delay.

Frankfurt am Main (FRA) was the most common stop: 41% of momondo users choosing 1-stop flights on this route connected there.

Flights via Madrid (MAD) offer the lowest average round-trip price of $613.

Flights connecting via Copenhagen (CPH) have the shortest average one-way travel time: 9h 58m.

Copenhagen (CPH) has the shortest average layover time for this route: 1h 32m.