The cheapest times to fly from ORD to BES are

  • September 24th to April 1st (except the week of December 17th)

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 ORD to BES is late November to early December. Prices can be as high as $2215 for Saturday flights during late May, or as low as $1292 for Tuesday flights around late November to early December.


When to Fly to Brest

Flying from Chicago, IL (ORD) to Brest (BES) will usually cost between $1299 to $2064 per person if booking more than four weeks in advance. On average the very cheapest time to fly is late November to early December with an average ticket price of $1441. Due to high demand the most expensive time to fly is late May, with an average price of $2051. Planning your trip to low-cost times can easily save you $610 on economy flights and even more on first-class flights. Generally, any price below $1772 can be considered a good price for a round-trip ORD to BES flight.

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

ORD to BES Flight Prices

Compared to other flights, the ORD to BES flight is more expensive than the average and costs more than the average flight leaving from Chicago. The average price per mile (for a direct flight) is $0.28, which is 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 $157 (9%) 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 $1621. Return trip prices are from the BES to ORD 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 ORD to BES 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 58 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 ORD to BES while comparing.

Destination alternative #1: Jersey Airport (JER) in Jersey

  • 114 miles (183 km) away from BES
  • Usually 65.14% less expensive than BES
  • 1-layover flights available

See ORD to JER flights

Destination alternative #2: Newquay Airport (NQY) in Newquay

  • 140 miles (225 km) away from BES
  • Usually 50.13% less expensive than BES
  • 1-layover flights available

See ORD to NQY flights


Flight Hacking ORD to BES

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 ORD to BES — but Champion Traveler does!

Hack #1: Barcelona (ORD > BCN > BES)

  • Price for both tickets: $635
  • Average savings: $1137 (64.18%)

See ORD to BCN flights

Hack #2: Paris (ORD > CDG > BES)

  • Price for both tickets: $731
  • Average savings: $1041 (58.76%)

See ORD to CDG flights

Hack #3: Malaga (ORD > AGP > BES)

  • Price for both tickets: $840
  • Average savings: $932 (52.58%)

See ORD to AGP flights


Flight Questions Answered

Still have questions about flying from ORD to BES? We’ve got answers.

Which airlines fly this route?

You can find 11 major airlines flying this route most often: Air France, Alitalia, American, British Airways, Brussels Airlines, Delta, Finnair, Iberia, KLM, Lufthansa, United, and potentially more during busy seasons.

How far away is it from Brest Bretagne Airport to Chicago O’Hare International Airport?

The distance between the two airports is roughly 3882 miles or 6247 kilometers.

How long does it take to fly from ORD to BES?

The real-world flight time for a nonstop ORD to BES flight is about 7 hour 58 minutes.

How many flights go between Chicago, IL and Brest?

It depends on the day of the week and the date, but a typical day might have around 12 available flights from ORD to BES.


Airport Location Info


Departing Airport

Origination codeORD
Origination airport nameChicago O’Hare International Airport
CityChicago, IL
Countrythe United States

Return Airport

Destination codeBES
Destination airport nameBrest Bretagne 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.