Cheap flights from Chicago
We are watching 221 routes out of Chicago. The cheapest fare we can vouch for today is €22, and for each one we say whether today is a good moment or you should wait.
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Where to fly from Chicago
Mon
4 Jan
Chicago → Fort Lauderdale
Frontier Airlines Based on 1642 observations ✈ Direct
€22
Wed
16 Dec
Chicago → Denver
Frontier Airlines Based on 285 observations ✈ Direct
€28
Thu
19 Nov
Chicago → Baltimore
Frontier Airlines Based on 362 observations ✈ Direct
€30
Fri
13 Nov
Chicago → Charlotte
United Airlines Based on 72 observations ✈ Direct
€30
Tue
10 Nov
Chicago → Quincy
Contour Airlines Based on 57 observations ✈ Direct
€38
Sat
14 Nov
Chicago → Atlanta
Frontier Airlines Based on 548 observations ✈ Direct
€49
Tue
17 Nov
Chicago → St Louis
Southwest Airlines Based on 277 observations ✈ Direct
€49
Thu
10 Dec
Chicago → Phoenix
Frontier Airlines Based on 255 observations ✈ Direct
€52
Wed
18 Nov
Chicago → Memphis
American Airlines Based on 77 observations ✈ Direct
€52
Tue
10 Nov
Chicago → Washington
Frontier Airlines Based on 296 observations 1 stop
€59
Thu
31 Dec
Chicago → Miami
Frontier Airlines Based on 706 observations 1 stop
€62
Thu
26 Nov
Chicago → Minneapolis
Southwest Airlines Based on 465 observations ✈ Direct
€64
Sun
15 Nov
Chicago → Indianapolis
American Airlines Based on 122 observations ✈ Direct
€69
Fri
13 Nov
Chicago → Buffalo
American Airlines Based on 98 observations ✈ Direct
€69
Sat
14 Nov
Chicago → Columbia
American Airlines Based on 47 observations ✈ Direct
€71
Fri
13 Nov
Chicago → Knoxville/Maryville
Allegiant Air Based on 100 observations ✈ Direct
€72
Wed
2 Dec
Chicago → Las Vegas
Frontier Airlines Based on 742 observations ✈ Direct
€73
Sat
16 Jan
Chicago → Houston
Frontier Airlines Based on 272 observations ✈ Direct
€74
Tue
1 Dec
Chicago → Dallas-Fort Worth
Frontier Airlines Based on 380 observations ✈ Direct
€75
Wed
9 Dec
Chicago → Cincinnati / Covington
Frontier Airlines Based on 85 observations 1 stop
€75
Thu
17 Dec
Chicago → San Diego
Frontier Airlines Based on 201 observations 1 stop
€76
Sun
15 Nov
Chicago → Nashville
American Airlines Based on 193 observations ✈ Direct
€77
Wed
13 Jan
Chicago → San Juan
Frontier Airlines Based on 190 observations ✈ Direct
€77
Sat
9 Jan
Chicago → Austin
Frontier Airlines Based on 305 observations 1 stop
€79
Thu
26 Nov
Chicago → Philadelphia
Frontier Airlines Based on 274 observations ✈ Direct
€79
Tue
1 Dec
Chicago → Ontario
Frontier Airlines Based on 452 observations 1 stop
€80
Thu
3 Dec
Chicago → San Francisco
Frontier Airlines Based on 394 observations 1 stop
€81
Fri
8 Jan
Chicago → Tampa
Frontier Airlines Based on 305 observations 1 stop
€81
Sat
14 Nov
Chicago → Columbus
American Airlines Based on 151 observations ✈ Direct
€82
Fri
13 Nov
Chicago → Pittsburgh
American Airlines Based on 135 observations ✈ Direct
€82
Sat
14 Nov
Chicago → Cedar Rapids
American Airlines Based on 83 observations ✈ Direct
€82
Fri
13 Nov
Chicago → Cleveland
American Airlines Based on 186 observations ✈ Direct
€84
Sat
14 Nov
Chicago → Rochester
American Airlines Based on 59 observations ✈ Direct
€84
Fri
13 Nov
Chicago → Louisville
American Airlines Based on 44 observations ✈ Direct
€84
Sat
14 Nov
Chicago → Lexington
American Airlines Based on 30 observations ✈ Direct
€84
Tue
24 Nov
Chicago → Raleigh/Durham
Frontier Airlines Based on 90 observations 1 stop
€86
Tue
10 Nov
Chicago → Savoy
American Airlines Based on 41 observations ✈ Direct
€86
Sun
15 Nov
Chicago → New York
American Airlines Based on 1063 observations ✈ Direct
€87
Tue
19 Jan
Chicago → Los Angeles
Frontier Airlines Based on 591 observations 1 stop
€87
Thu
12 Nov
Chicago → Des Moines
American Airlines Based on 41 observations ✈ Direct
€87
Wed
11 Nov
Chicago → Peoria
American Airlines Based on 66 observations ✈ Direct
€91
Wed
11 Nov
Chicago → Bloomington/Normal
American Airlines Based on 12 observations ✈ Direct
€91
Sat
12 Dec
Chicago → New Orleans
Frontier Airlines Based on 278 observations 1 stop
€92
Tue
10 Nov
Chicago → Boston
jetBlue Based on 481 observations ✈ Direct
€94
Mon
9 Nov
Chicago → Huntsville
Frontier Airlines Based on 45 observations 1 stop
€100
Sun
15 Nov
Chicago → Sioux Falls
American Airlines Based on 34 observations ✈ Direct
€101
Thu
3 Dec
Chicago → San Jose
Frontier Airlines Based on 244 observations 1 stop
€102
Sat
14 Nov
Chicago → Grand Rapids
American Airlines Based on 49 observations ✈ Direct
€103
Sun
15 Nov
Chicago → Dayton
American Airlines Based on 49 observations ✈ Direct
€104
Tue
17 Nov
Chicago → Norfolk
Frontier Airlines Based on 26 observations 1 stop
€104
Thu
12 Nov
Chicago → Traverse City
American Airlines Based on 36 observations ✈ Direct
€106
Sun
13 Dec
Chicago → Seattle
Frontier Airlines Based on 323 observations 1 stop
€108
Sat
30 Jan
Chicago → Guadalajara
Viva Aerobus Based on 183 observations ✈ Direct
€108
Tue
10 Nov
Chicago → Fort Wayne
American Airlines Based on 22 observations ✈ Direct
€108
Tue
10 Nov
Chicago → Chattanooga
United Airlines Based on 12 observations ✈ Direct
€108
Sat
7 Nov
Chicago → Muskegon
Denver Air Connection (DAC) Based on 32 observations ✈ Direct
€110
Mon
7 Dec
Chicago → Long Beach
Alaska Airlines Based on 155 observations 1 stop
€111
Mon
14 Dec
Chicago → Vancouver
Frontier Airlines Based on 66 observations 1 stop
€111
Wed
2 Dec
Chicago → Sarasota/Bradenton
Frontier Airlines Based on 38 observations 2 stops
€114
Mon
30 Nov
Chicago → Jacksonville
Frontier Airlines Based on 182 observations 1 stop
€115
Booking tips from our fare data
- How far in advance should you book a flight?
- Book 1–1.5 months before departure. Tracking the same flights at every lead time (94,914 flights on 19,442 routes, 2026-06-14 to 2026-11-04), that window had the smallest average premium over each flight's lowest fare: +16.8%, against +49.3% in the last 3 days.
- What is the cheapest day of the week to fly?
- Wednesday. Comparing each fare with the median of its own route, Wednesday departures were +3.4% and Tuesday +4.2%, while Friday was the dearest at +10.6%. Weekend departures cost more than midweek ones.
- What is the cheapest month to fly?
- November 2026. Comparing each route's fares month by month (booked 8–60 days ahead), November 2026 departures were -1.1% against the route's own median, while January 2027 was the dearest at +17.5%. Covers September 2026, October 2026, November 2026, December 2026, January 2027; fares observed 2026-06-14 to 2026-11-04.
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