Lexington to Ontario flights
Routavio compares airline fares from several flight booking sites. The lowest one-way fare it found for Lexington to Ontario is €135 with Allegiant Air (checked on 5 Nov 2026).
Your next trip, last seen at €135
Lowest observedAllegiant Air · 3 stops · One wayWhen to fly
Explore datesMore dates worth a look
Last seen for 1 traveller on 6 Nov 2026. Check today's price.
Find the dates that work for you
The lowest fare we observed for each month. Open a month to see its days, then pick your outbound and return. A day with no price is one we will search for you.
One-way fare
- 7 Jan€139
- 10 Jan€208
- 14 Jan€202
- 17 Jan€209
- 24 Jan€189
- 28 Jan€172
- 31 Jan€135
- Lowest observed
- €135, departing 31 Jan 2027 (Last checked: 5 Nov 2026)One-way fare · Priced departure days checked in the last 14 days: 15Check live prices for this route
- Airlines seen
- Allegiant Air, Breeze Airways, Frontier Airlines, United Airlines
- Typical journey time
- 40h 09m
About this route
Explore the fares we observed from Lexington to Ontario. Prices move often, so pick your dates to see the latest options.
- Route distance
- 2,997 km
- Typical journey time
- 40h 09m
- Airlines seen
- Allegiant Air, Breeze Airways, Frontier Airlines, United Airlines
- Seen on fares with a connection
- Allegiant Air, United Airlines, Frontier Airlines
Route-level information; individual journeys vary.
We have not observed non-stop service on this route; the fares shown include at least one stop.
A clearer picture of your fare
If the observed fare for this date drops, we will email you. At most one message a day.
Airport to city: straight-line distance
- Blue Grass Airport (LEX) → Lexington, city gazetteer reference point (38.0317, -84.4951): ≈ 10 km.
- Ontario International Airport (ONT) → Ontario, city gazetteer reference point (34.0500, -117.6400): ≈ 4 km.
Approximate distances calculated from coordinates, not road distances or travel times. These airports serve the city; they are not confirmed endpoints of an offer.
Lowest fare by departure month
Cheapest month from Lexington to Ontario: January 2027, from €135 (checked 5 Nov 2026).
| Month | Lowest fare | Priced days |
|---|---|---|
| December 2026 | €143 | 4 |
| January 2027 | €135 | 7 |
| February 2027 | €189 | 4 |
One-way fares checked in the last 14 days. Each figure is the lowest priced departure day we saw, not a guaranteed fare.
Lowest fare by days before departure
Lowest fare from Lexington to Ontario by days until departure (61 days or more): €135 (checked 5 Nov 2026).
| Days before departure | Lowest fare | Priced days |
|---|---|---|
| 31 to 60 days | €139 | 3 |
| 61 days or more | €135 | 10 |
One-way fares checked in the last 14 days. Each figure is the lowest stored fare for that distance to departure, not a price forecast.
Fares for different departure dates, checked now; not a guide to when to book.
Frequently asked
How much is a flight from Lexington to Ontario?
The lowest fare Routavio has observed is €135, found on 5 Nov 2026. Prices move, so read it as a floor rather than a quote.
When is the cheapest month to fly from Lexington to Ontario?
Cheapest month from Lexington to Ontario: January 2027, from €135 (checked 5 Nov 2026).
Are there direct flights from Lexington to Ontario?
Our data holds no non-stop flight from Lexington to Ontario. The fares on this page include at least one stop.
Which airlines fly from Lexington to Ontario?
Routavio has seen these carriers on the route: Allegiant Air, Breeze Airways, Frontier Airlines, United Airlines.
How long does the flight from Lexington to Ontario take?
Across the 72 fares Routavio observed, the average journey time is 47h 03m, including any stops. Individual departures vary; the fastest observed flight is listed in the route facts above.
How many of the observed Lexington to Ontario fares were non-stop?
None of the 72 fares we observed was non-stop; every one included at least one stop. That describes our observations, not every flight that operates.
How observed prices work, what "No data" means and what a fare includes: Read the flight price guide · Price and schedule freshness on Routavio
Keep exploring
Similar routes
More routes from Lexington
Show all 29 routes →Show fewer ↑
More routes to Ontario
Show all 36 routes →Show fewer ↑
Recently observed fares. Prices may change.