The cheapest times to fly from MKE to SLU are

  • January 8th to February 11th
  • May 7th to June 24th
  • August 27th to December 9th (except the week of November 19th)

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 MKE to SLU is early to mid October. Prices can be as high as $1843 for Wednesday flights during mid July, or as low as $668 for Tuesday flights around early to mid October.


When to Fly to Saint Lucia

Flying from Milwaukee, WI (MKE) to St. Lucia (SLU) will usually cost between $734 to $1434 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early to mid October with an average ticket price of $816. Due to high demand the most expensive time to fly is mid July, with an average price of $1424. Planning your trip to low-cost times can easily save you $609 on economy flights and even more on first-class flights. Generally, any price below $963 can be considered a good price for a round-trip MKE to SLU flight.

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

MKE to SLU Flight Prices

Compared to other flights, the MKE to SLU flight is priced close to the average and costs about as much as the average flight leaving from Milwaukee. The average price per mile (for a direct flight) is $0.23, which is below average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to depart and return on this flight. Wednesdays are the most expensive days to fly to Saint Lucia, and Sundays are the most expensive days to return to Milwaukee. Selecting flights on the least expensive days could save you up to $225 (21%) 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 $835. Return trip prices are from the SLU to MKE 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 MKE to SLU 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 35 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 MKE to SLU while comparing.

Destination alternative #1: Maurice Bishop International Airport (GND) in Grenada

  • 149 miles (240 km) away from SLU
  • Usually 24.14% less expensive than SLU
  • 1-layover flights available

See MKE to GND flights

Destination alternative #2: Hewanorra International Airport (UVF) in St. Lucia

  • 20 miles (32 km) away from SLU
  • Usually 8.77% less expensive than SLU
  • 1-layover flights available

See MKE to UVF flights


Flight Hacking MKE to SLU

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 MKE to SLU — but Champion Traveler does!

Hack #1: Fort Lauderdale, FL (MKE > FLL > SLU)

  • Price for both tickets: $895
  • Average savings: $68 (7.06%)

See MKE to FLL flights

Hack #2: Miami, FL (MKE > MIA > SLU)

  • Price for both tickets: $915
  • Average savings: $49 (5.04%)

See MKE to MIA flights


Flight Questions Answered

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

Which airlines fly this route?

You can find 5 major airlines flying this route most often: Air Canada, Air France, Caribbean Airlines, LIAT, United, and potentially more during busy seasons.

How far away is it from George F Charles Airport to General Mitchell International Airport?

The distance between the two airports is roughly 2558 miles or 4117 kilometers.

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

The real-world flight time for a nonstop MKE to SLU flight is about 5 hour 35 minutes.

How many flights go between Milwaukee, WI and St. Lucia?

It depends on the day of the week and the date, but a typical day might have around 27 available flights from MKE to SLU.


Airport Location Info


Departing Airport

Origination code MKE
Origination airport name General Mitchell International Airport
City Milwaukee, WI
Country the United States
Latitude 42.9
Longitude -87.9

Return Airport

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


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.