The cheapest times to fly from SLU to ORD are

  • April 23rd to May 27th
  • October 8th to November 25th (except the week of November 12th)
  • December 24th to March 25th (except the weeks of January 1st, February 19th, and March 12th)

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 SLU to ORD is mid January. Prices can be as high as $1772 for Sunday flights during early August, or as low as $703 for Tuesday flights around mid January.


When to Fly to Chicago

Flying from St. Lucia (SLU) to Chicago, IL (ORD) will usually cost between $752 to $1337 per person if booking more than four weeks in advance. On average the very cheapest time to fly is mid January with an average ticket price of $834. Due to high demand the most expensive time to fly is early August, with an average price of $1772. Planning your trip to low-cost times can easily save you $938 on economy flights and even more on first-class flights. Generally, any price below $982 can be considered a good price for a round-trip SLU to ORD flight.

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

SLU to ORD Flight Prices

Compared to other flights, the SLU to ORD flight is priced close to the average and costs less than the average flight leaving from Saint Lucia. The average price per mile (for a direct flight) is $0.24, which is below average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to fly to ORD, and Friday the cheapest day to fly back into SLU. Sundays are the most expensive days to fly to Chicago, and Wednesdays are the most expensive days to return to Saint Lucia. Selecting flights on the least expensive days could save you up to $166 (15%) 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 $891. Return trip prices are from the ORD to SLU 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 SLU to ORD can generally find a 2-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 5 hour 30 minutes may not be realistic.


Flight Hacking SLU to ORD

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 SLU to ORD — but Champion Traveler does!

Hack #1: Port of Spain (SLU > POS > ORD)

  • Price for both tickets: $791
  • Average savings: $191 (19.45%)

See SLU to FLL flights

Hack #2: Fort Lauderdale, FL (SLU > FLL > ORD)

  • Price for both tickets: $872
  • Average savings: $110 (11.2%)

See SLU to POS flights

Hack #3: Miami, FL (SLU > MIA > ORD)

  • Price for both tickets: $873
  • Average savings: $110 (11.15%)

See SLU to MIA flights


Flight Questions Answered

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

Which airlines fly this route?

You can find 8 major airlines flying this route most often: Air Canada, Air France, American, Caribbean Airlines, Delta, JetBlue, LIAT, United, and potentially more during busy seasons.

How far away is it from Chicago O’Hare International Airport to George F Charles Airport?

The distance between the two airports is roughly 2513 miles or 4044 kilometers.

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

The real-world flight time for a nonstop SLU to ORD flight is about 5 hour 30 minutes.

How many flights go between St. Lucia and Chicago, IL?

It depends on the day of the week and the date, but a typical day might have around 8 available flights from SLU to ORD.


Airport Location Info


Departing Airport

Origination code SLU
Origination airport name George F Charles Airport
City St. Lucia
Country St Lucia
Latitude 14
Longitude -61

Return Airport

Destination code ORD
Destination airport name Chicago O’Hare International Airport
City Chicago, IL
Country the United States
Latitude 42
Longitude -87.9


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.