Los Angeles to Chicago flights in December 2026 from $135 BUR, LAX, SNA → MDW, ORD, RFD
Bob Hope Airport - Hollywood Burbank (BUR), Los Angeles International Airport (LAX), John Wayne Airport - Santa Ana (SNA) → Chicago Midway International Airport (MDW), O'Hare International Airport (ORD), Chicago Rockford International Airport (RFD)
For departures in December 2026, the cheapest return found recently is $310 with Southwest Airlines, 30 Dec – 3 Jan 2027, found 2 days ago. The cheapest one-way found recently is $135 with Frontier Airlines, 31 Dec, found 4 days ago.
Return
In December 2026, the cheapest return fare on each of 9 departure dates is usually $249 to $310. Across all 15 departure dates we hold on this route, it is usually $259 to $353. Of the 2 months with enough return fares to compare, December 2026 is usually the cheapest.
Cheapest return found recently
$310
30 Dec – 3 Jan 2027 · Southwest Airlines
Los Angeles International Airport (LAX) → Chicago Midway International Airport (MDW)
out nonstop, back nonstop
found 2 days ago
Cheapest we hold, of any age
$215
1 Dec – 5 Dec · Frontier Airlines
Los Angeles International Airport (LAX) → O'Hare International Airport (ORD)
out 1 stop, back 1 stop
found 8 days ago
The cheapest dates in December 2026
| Dates | From | Airline | Stops | Found | |
|---|---|---|---|---|---|
| 1 Dec – 5 Dec | $215 | Frontier Airlines | out 1 stop, back 1 stop | found 8 days ago | See prices for these dates |
| 15 Dec – 3 Jan 2027 | $245 | Frontier Airlines | out 1 stop, back nonstop | found 3 days ago | See prices for these dates |
| 18 Dec – 20 Dec | $249 | Frontier Airlines | out nonstop, back nonstop | found 5 days ago | See prices for these dates |
| 28 Dec – 4 Jan 2027 | $268 | Frontier Airlines | out nonstop, back 1 stop | found 6 days ago | See prices for these dates |
| 10 Dec – 14 Dec | $270 | Frontier Airlines | out 1 stop, back 1 stop | found 6 days ago | See prices for these dates |
Every date we hold
9 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 1 Dec – 5 Dec | $215 | Frontier Airlines | Los Angeles International Airport (LAX) → O'Hare International Airport (ORD) | out 1 stop, back 1 stop | found 8 days ago | See prices for these dates |
| 10 Dec – 14 Dec | $270 | Frontier Airlines | Los Angeles International Airport (LAX) → O'Hare International Airport (ORD) | out 1 stop, back 1 stop | found 6 days ago | See prices for these dates |
| 15 Dec – 3 Jan 2027 | $245 | Frontier Airlines | Los Angeles International Airport (LAX) → O'Hare International Airport (ORD) | out 1 stop, back nonstop | found 3 days ago | See prices for these dates |
| 18 Dec – 20 Dec | $249 | Frontier Airlines | Los Angeles International Airport (LAX) → O'Hare International Airport (ORD) | out nonstop, back nonstop | found 5 days ago | See prices for these dates |
| 23 Dec – 27 Dec | $425 | Frontier Airlines | Los Angeles International Airport (LAX) → O'Hare International Airport (ORD) | out nonstop, back nonstop | found 6 days ago | See prices for these dates |
| 28 Dec – 4 Jan 2027 | $268 | Frontier Airlines | Los Angeles International Airport (LAX) → O'Hare International Airport (ORD) | out nonstop, back 1 stop | found 6 days ago | See prices for these dates |
| 29 Dec – 2 Jan 2027 | $298 | American Airlines | Los Angeles International Airport (LAX) → O'Hare International Airport (ORD) | out nonstop, back nonstop | found 4 days ago | See prices for these dates |
| 30 Dec – 3 Jan 2027 | $310 | Southwest Airlines | Los Angeles International Airport (LAX) → Chicago Midway International Airport (MDW) | out nonstop, back nonstop | found 2 days ago | See prices for these dates |
| 31 Dec – 3 Jan 2027 | $315 | Frontier Airlines | Los Angeles International Airport (LAX) → O'Hare International Airport (ORD) | out nonstop, back nonstop | found 3 days ago | See prices for these dates |
Which month looks cheapest?
December 2026 is the cheapest month — from $215.
One-way
We hold one-way fares on only 2 departure dates in December 2026, too few to say what one usually costs.
Cheapest one-way found recently
$135
31 Dec · Frontier Airlines
Los Angeles International Airport (LAX) → O'Hare International Airport (ORD)
nonstop
found 4 days ago
Cheapest we hold, of any age
$89
17 Dec · Frontier Airlines
Los Angeles International Airport (LAX) → O'Hare International Airport (ORD)
nonstop
found 6 days ago
The cheapest dates in December 2026
| Dates | From | Airline | Stops | Found | |
|---|---|---|---|---|---|
| 17 Dec | $89 | Frontier Airlines | nonstop | found 6 days ago | Open this trip |
| 31 Dec | $135 | Frontier Airlines | nonstop | found 4 days ago | Open this trip |
Every date we hold
2 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 17 Dec | $89 | Frontier Airlines | Los Angeles International Airport (LAX) → O'Hare International Airport (ORD) | nonstop | found 6 days ago | Open this trip |
| 31 Dec | $135 | Frontier Airlines | Los Angeles International Airport (LAX) → O'Hare International Airport (ORD) | nonstop | found 4 days ago | Open this trip |
Which month looks cheapest?
February 2027 is the cheapest month — from $84.
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