Ontario to Chicago in November 2026
ONT to CHI · Round trips departing in November · Economy · Prices per person in USD
Prices updated
Typical in November
$242
Median of 5 date combinations
Usual on this route
$200
November's cheapest is 35% less
Good price — book if the dates work
35% below the usual $200, and the lowest in the 7 days we've tracked. Based on 7 days of prices.
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November 2026 by departure day
Cheapest round trip leaving that day| Mon | Tue | Wed | Thu | Fri | Sat | Sun |
|---|---|---|---|---|---|---|
| 1 | ||||||
| 2 | 3 | 4 | 5 $267 | 6 $130 | 7 | 8 |
| 9 | 10 | 11 $313 | 12 | 13 | 14 | 15 |
| 16 | 17 | 18 $236 | 19 | 20 | 21 | 22 |
| 23 | 24 | 25 | 26 | 27 | 28 | 29 |
| 30 |
Empty days: no round trip found for that departure date yet. Green = cheapest third of the month.
Cheapest dates in November 2026
Round trip, per person-
Nov 6 – 13 7 nights · leave Fri$130Frontier Airlines 1 stop · 4h 53mBook
-
Nov 18 – 22 4 nights · leave Wed$236Frontier Airlines 1 stop · 4h 47mBook
-
Nov 6 – 8 2 nights · leave Fri$242Frontier Airlines 1 stop · 4h 53mBook
-
Nov 5 – 8 3 nights · leave Thu$267Frontier Airlines 1 stop · 4h 47mBook
-
Nov 11 – 15 4 nights · leave Wed$313Frontier Airlines 1 stop · 4h 47mBook
Prices change often. The booking site shows the final price before you pay.
Cheapest by trip length
2–4 nights
$236
Nov 18 – 22 · 4 options
5–7 nights
$130
Nov 6 – 13 · 1 option
Good to know for November
Airline
Frontier Airlines
Every cheap fare we track on this route is on Frontier Airlines.
November vs other months
Cheapest round trip per departure month| Month | Cheapest round trip |
|---|---|
| November 2026 | $130 (cheapest month) |
| December 2026 | $139 |
| January 2027 | $190 |
| February 2027 | No fares found yet |
| March 2027 | $408 |
Ontario to Chicago in November: questions
What's the cheapest date to fly from Ontario to Chicago in November 2026?
Leaving Friday, November 6 and returning Friday, November 13 (7 nights) for $130 round trip on Frontier Airlines, the cheapest of the 5 date combinations we track that month.
How much is a round trip from Ontario to Chicago in November 2026?
From $130. Half of the 5 date combinations we track are under $242. Prices are per person in USD and change often.
Is November a cheap month to fly from Ontario to Chicago?
Yes. It's the cheapest of the 4 months ahead we have prices for.