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Flight Sniper

Ontario to Chicago in November 2026

ONT to CHI · Round trips departing in November · Economy · Prices per person in USD

Prices updated

Cheapest in November $130 Nov 6 – 13 · 1 stop Book this fare
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.
Not ready to book? Get an email when November fares drop below your price.

November 2026 by departure day

Cheapest round trip leaving that day
Cheapest round trip from Ontario to Chicago for each departure day in November 2026
MonTueWedThuFriSatSun
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
    $130
    Frontier Airlines 1 stop · 4h 53m
    Book
  • Nov 18 – 22 4 nights · leave Wed
    $236
    Frontier Airlines 1 stop · 4h 47m
    Book
  • Nov 6 – 8 2 nights · leave Fri
    $242
    Frontier Airlines 1 stop · 4h 53m
    Book
  • Nov 5 – 8 3 nights · leave Thu
    $267
    Frontier Airlines 1 stop · 4h 47m
    Book
  • Nov 11 – 15 4 nights · leave Wed
    $313
    Frontier Airlines 1 stop · 4h 47m
    Book

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
Cheapest round trip from Ontario to Chicago by departure month
MonthCheapest round trip
November 2026$130 (cheapest month)
December 2026$139
January 2027$190
February 2027No 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.

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