Cheap Flights from Ontario to La Mesa
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The latest fare from Ontario to La Mesa: $669 round trip, Mar 4 – Mar 10, seen Nov 9. Prices by month are below.
Across 2 months of observations from Ontario to La Mesa, the lowest round-trip economy fare we recorded was $649, in October. The typical economy fare was $654.
The most recent economy price we saw on this route was $669 on United, seen Nov 9.
See every deal from Ontario, to La Mesa, or the return direction La Mesa to Ontario.
Latest economy price we saw: Ontario to La Mesa
The most recent economy round-trip fare we saw on this route.
| From | Price | Per mile | Travel dates | Airline | Seen |
|---|---|---|---|---|---|
| Ontario (ONT) to La Mesa (SAP) | $669 | 14.9¢ | Mar 4 – Mar 10 | United | Nov 9 |
Economy price history: Ontario to La Mesa
The lowest fares we saw each month.
| Month | Low | Typical | Sightings |
|---|---|---|---|
| Nov 2026 | $649 | $659 | 12 |
| Oct 2026 | $649 | $649 | 1 |
Frequently asked questions
How many flight deals from Ontario to La Mesa are on Sparkflights right now?
There are 0 deals from Ontario to La Mesa on the board right now.
What is the lowest price ever seen from Ontario to La Mesa?
The lowest economy fare we've recorded from Ontario to La Mesa is $649, based on 13 price observations over 2 months.
How much does a flight from Ontario to La Mesa cost?
The typical round-trip economy fare we observed from Ontario to La Mesa is $654, against a recorded low of $649. These are observations, not quotes.
What is the current price from Ontario to La Mesa?
The most recent economy fare we saw from Ontario to La Mesa is $669, on Nov 9.