Miami to Ontario: buy now or wait?
Buy now FareScore 74/100
usually $121 $95 ≈ €85 Today's best fare
Cheaper than 74% of what we have seen
16 Dec Frontier Airlines With a stop
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All fares Miami → Ontario
Cheapest first. Every price is live and goes straight to booking.
16 Dec
10:01
Frontier Airlines · 8h 44m
With a stop
€85
24 Dec
11:15
Frontier Airlines · 18h 20m
With a stop
€116
22 Jan
16:34
Frontier Airlines · 9h 41m
With a stop
€117
25 Nov
02:52
Frontier Airlines · 12h 28m
With a stop
€125
24 Nov
02:52
Frontier Airlines · 13h 38m
With a stop
€131
18 Nov
10:50
Frontier Airlines · 7h 45m
With a stop
€134
23 Nov
02:52
Frontier Airlines · 12h 28m
With a stop
€137
7 Jan
11:00
F9 · 21h 15m
With a stop
€140
30 Dec
00:47
Frontier Airlines · 18h 00m
With a stop ↓1%
€151 €150
21 Nov
02:52
Frontier Airlines · 12h 28m
With a stop
€202
17 Nov
10:50
Frontier Airlines · 7h 45m
Direct
€220
What the history says
Prices recorded 151
Typical price €108
Lowest we saw €85
You save today €23
Based on 151 prices we recorded on this exact route, compared against the same departure month.
Best booking window
42–55 days — is when this route has been cheapest to book: €102 typical, on 32 observations. That is about €82 less than booking in the last two weeks.
Cheapest months to fly to Ontario
November €104 56 observations
December €113 41 observations
January €117 6 observations
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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