Chicago to Miami in December 2026 MDW, ORD, RFD → MIA
Chicago Midway International Airport (MDW), O'Hare International Airport (ORD), Chicago Rockford International Airport (RFD) → Miami International Airport (MIA)
For departures in December 2026, the cheapest return found recently is $251 with Frontier Airlines, 21 Dec – 21 Dec, found yesterday. The cheapest one-way found recently is $129 with Frontier Airlines, 24 Dec, found yesterday.
Return
In December 2026, the cheapest return fare on each of 7 departure dates is usually $281 to $364. Across all 19 departure dates we hold on this route, it is usually $266 to $388. Of the 2 months with enough return fares to compare, December 2026 is usually the most expensive.
Cheapest return found recently
$251
21 Dec – 21 Dec · Frontier Airlines
O'Hare International Airport (ORD) → Miami International Airport (MIA)
out 1 stop, back nonstop
found yesterday
It is also the cheapest return we hold, of any age.
The cheapest dates in December 2026
| Dates | From | Airline | Stops | Found | |
|---|---|---|---|---|---|
| 21 Dec – 21 Dec | $251 | Frontier Airlines | out 1 stop, back nonstop | found yesterday | See prices for these dates |
| 7 Dec – 13 Dec | $280 | Frontier Airlines | out 1 stop, back 1 stop | found yesterday | See prices for these dates |
| 10 Dec – 21 Dec | $282 | Frontier Airlines | out 1 stop, back 1 stop | found yesterday | See prices for these dates |
| 25 Dec – 31 Dec | $288 | Frontier Airlines | out 1 stop, back nonstop | found yesterday | See prices for these dates |
| 31 Dec – 5 Jan 2027 | $297 | Frontier Airlines | out 1 stop, back 1 stop | found 4 days ago | See prices for these dates |
Every date we hold
7 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 7 Dec – 13 Dec | $280 | Frontier Airlines | Chicago Midway International Airport (MDW) → Miami International Airport (MIA) | out 1 stop, back 1 stop | found yesterday | See prices for these dates |
| 10 Dec – 21 Dec | $282 | Frontier Airlines | O'Hare International Airport (ORD) → Miami International Airport (MIA) | out 1 stop, back 1 stop | found yesterday | See prices for these dates |
| 11 Dec – 14 Dec | $430 | Southwest Airlines | Chicago Midway International Airport (MDW) → Miami International Airport (MIA) | out 1 stop, back 1 stop | found 4 days ago | See prices for these dates |
| 12 Dec – 21 Dec | $491 | Frontier Airlines | Chicago Midway International Airport (MDW) → Miami International Airport (MIA) | out 1 stop, back nonstop | found yesterday | See prices for these dates |
| 21 Dec – 21 Dec | $251 | Frontier Airlines | O'Hare International Airport (ORD) → Miami International Airport (MIA) | out 1 stop, back nonstop | found yesterday | See prices for these dates |
| 25 Dec – 31 Dec | $288 | Frontier Airlines | O'Hare International Airport (ORD) → Miami International Airport (MIA) | out 1 stop, back nonstop | found yesterday | See prices for these dates |
| 31 Dec – 5 Jan 2027 | $297 | Frontier Airlines | Chicago Midway International Airport (MDW) → Miami International Airport (MIA) | out 1 stop, back 1 stop | found 4 days ago | See prices for these dates |
Which month looks cheapest?
November 2026 is the cheapest month — from $193.
One-way
In December 2026, the cheapest one-way fare on each of 4 departure dates is usually $115 to $125. Across all 8 departure dates we hold on this route, it is usually $114 to $125. Of the 2 months with enough one-way fares to compare, December 2026 is usually the most expensive.
Cheapest one-way found recently
$129
24 Dec · Frontier Airlines
O'Hare International Airport (ORD) → Miami International Airport (MIA)
1 stop
found yesterday
Cheapest we hold, of any age
$114
7 Dec · Frontier Airlines
Chicago Midway International Airport (MDW) → Miami International Airport (MIA)
1 stop
found 3 days ago
The cheapest dates in December 2026
| Dates | From | Airline | Stops | Found | |
|---|---|---|---|---|---|
| 7 Dec | $114 | Frontier Airlines | 1 stop | found 3 days ago | Open this trip |
| 6 Dec | $115 | Frontier Airlines | 1 stop | found 3 days ago | Open this trip |
| 29 Dec | $123 | Frontier Airlines | 1 stop | found 5 days ago | Open this trip |
| 24 Dec | $129 | Frontier Airlines | 1 stop | found yesterday | Open this trip |
Every date we hold
4 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 6 Dec | $115 | Frontier Airlines | Chicago Midway International Airport (MDW) → Miami International Airport (MIA) | 1 stop | found 3 days ago | Open this trip |
| 7 Dec | $114 | Frontier Airlines | Chicago Midway International Airport (MDW) → Miami International Airport (MIA) | 1 stop | found 3 days ago | Open this trip |
| 24 Dec | $129 | Frontier Airlines | O'Hare International Airport (ORD) → Miami International Airport (MIA) | 1 stop | found yesterday | Open this trip |
| 29 Dec | $123 | Frontier Airlines | O'Hare International Airport (ORD) → Miami International Airport (MIA) | 1 stop | found 5 days ago | Open this trip |
Which month looks cheapest?
November 2026 is the cheapest month — from $109.
Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work