The cheapest times to fly from BOS to BSL are

  • January 1st to April 1st (except the week of February 12th)
  • September 3rd to December 9th

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from BOS to BSL is late January and early February. Prices can be as high as $1060 for Saturday flights during early to mid July, or as low as $383 for Tuesday flights around late January and early February.


When to Fly to Basel

Flying from Boston, MA (BOS) to Mulhouse (BSL) will usually cost between $422 to $944 per person if booking more than four weeks in advance. On average the very cheapest time to fly is late January and early February with an average ticket price of $434. Due to high demand the most expensive time to fly is early to mid July, with an average price of $944. Planning your trip to low-cost times can easily save you $510 on economy flights and even more on first-class flights. Generally, any price below $603 can be considered a good price for a round-trip BOS to BSL flight.

See below for a graph of average weekly prices for the BOS to BSL route. All prices are for round-trip tickets in USD.

BOS to BSL Flight Prices

Compared to other flights, the BOS to BSL flight is cheaper than the average and costs less than the average flight leaving from Boston. The average price per mile (for a direct flight) is $0.1, which is far below average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to depart and return on this flight. Saturdays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $91 (13%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $591. Return trip prices are from the BSL to BOS flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from BOS to BSL can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 7 hour 37 minutes may not be realistic.


Alternative Nearby Airports

Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is not usually a nonstop flight from BOS to BSL while comparing.

Destination alternative #1: Geneva Airport (GVA) in Geneva

  • 115 miles (185 km) away from BSL
  • Usually 20.56% less expensive than BSL
  • 1-layover flights available

See BOS to GVA flights

Destination alternative #2: Zurich Airport (ZRH) in Zurich

  • 48 miles (77 km) away from BSL
  • Usually 20.48% less expensive than BSL
  • Nonstop flights available

See BOS to ZRH flights

Destination alternative #3: Malpensa Airport (MXP) in Milan

  • 147 miles (237 km) away from BSL
  • Usually 7.30% less expensive than BSL
  • 1-layover flights available

See BOS to MXP flights


Flight Hacking BOS to BSL

Flight hacking is when you book two tickets instead of a layover, sometimes with different airlines. You will need to either bring only a carry-on bag (highly recommended) or leave yourself plenty of time to go through security again. Flight hacking is completely allowed, but airlines don’t always tell you the cheapest way to get from BOS to BSL — but Champion Traveler does!

Hack #1: London (BOS > LGW > BSL)

  • Price for both tickets: $454
  • Average savings: $150 (24.79%)

See BOS to LGW flights

Hack #2: London (BOS > LHR > BSL)

  • Price for both tickets: $458
  • Average savings: $145 (24.05%)

See BOS to LHR flights

Hack #3: Madrid (BOS > MAD > BSL)

  • Price for both tickets: $482
  • Average savings: $122 (20.15%)

See BOS to MAD flights


Flight Questions Answered

Still have questions about flying from BOS to BSL? We’ve got answers.

Which airlines fly this route?

You can find 19 major airlines flying this route most often: Air Canada, Air France, American, Austrian, British Airways, Brussels Airlines, Delta, easyJet, Finnair, Iberia, KLM, Lufthansa, Norwegian Air UK, SAS, SWISS, Tap Air Portugal, Turkish Airlines, United, Virgin Atlantic, and potentially more during busy seasons.

How far away is it from Euro Airport to Logan International Airport?

The distance between the two airports is roughly 3687 miles or 5934 kilometers.

How long does it take to fly from BOS to BSL?

The real-world flight time for a nonstop BOS to BSL flight is about 7 hour 37 minutes.

How many flights go between Boston, MA and Mulhouse?

It depends on the day of the week and the date, but a typical day might have around 78 available flights from BOS to BSL.


Airport Location Info


Departing Airport

Origination codeBOS
Origination airport nameLogan International Airport
CityBoston, MA
Countrythe United States

Return Airport

Destination codeBSL
Destination airport nameEuro Airport


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.