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Home / Ontario — Austin

Cheap flights Ontario — Austin

Ontario (ONT, US) Austin (AUS, US)
from $127 1 916 km ~2h 45m 3 flights found 2 airlines cheapest on Friday
Reverse route
How many travellers?
Adults
12+ years
1
Children
2–11 years
0
Infants
under 2
0
Choose your departure date
Cheapest: $127 on 20.11.2026
Prices shown are from searches by other travellers over the last 24 hours. Missing a date? Click any day — we'll find tickets anyway.
November 2026
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December 2026
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January 2027
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Prices found for 2 of 90 days. Prices update as more travellers search. Click any date to search live.
Depart
—
Return
—
Cheapest flights found
20 Nov 2026, Fri
Southwest Airlines WN 1053
04:00
ONT Ontario International Airport
07:45
AUS Austin-Bergstrom International Airport
3h 45m 1 stop
Trip.com
$127
View this ticket
22 Dec 2026, Tue
Frontier Airlines F9 4206
08:37
ONT Ontario International Airport
12:37
AUS Austin-Bergstrom International Airport
4h 1 stop
Trip.com
$134
View this ticket
Route characteristics
Distance
1 916 km
Flight time
2h 45m
Time difference
+2h
Minimum price
from $127 (20.11.2026)
Average price
$131
Maximum price
$134
Cheapest day
Friday
Departure airports (1)
ONT Ontario International Airport
Arrival airports (1)
AUS Austin-Bergstrom International Airport
Airlines (2)
WN Southwest Airlines F9 Frontier Airlines
Agencies (2)
Trip.com Mytrip.com
Prices by day of week
Tuesday
$134
avg $134
Friday
$127
avg $127
Cheapest
Price trend by month
November 2026
from $127
avg $127
1 flights
December 2026
from $134
avg $134
1 flights
Airlines — cheapest prices 2
Southwest Airlines
Southwest Airlines
Low-cost 1 flights · 1 days
$127
Frontier Airlines
Frontier Airlines
Low-cost 2 flights · 2 days
$134
Where to buy tickets 2
Trip.com
2 tickets · 2 days
from $127
Mytrip.com
1 tickets · 1 days
from $143
Airports

From — Ontario (1)

  • ONT Ontario International Airport

To — Austin (1)

  • AUS Austin-Bergstrom International Airport
Other destinations from Ontario
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Adelaide
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Malaga
ES · Hub
Auckland
NZ
Almaty
KZ
Alicante
ES
Ahmedabad
IN
Amsterdam
NL · Hub
Anchorage
US
Frequently asked questions about the route Ontario — Austin
How long is the flight from Ontario to Austin?
Approximate flight time — 2h 45m. This is an average for a direct flight. With connections, the time may be longer.
What is the distance from Ontario to Austin?
The straight-line distance — 1 916 km.
How much do flights from Ontario to Austin cost?
The minimum price over 3 months — from $127 on 20.11.2026.
What is the average ticket price?
The average price — $131. Range: $127 — $134.
What is the time difference between Ontario and Austin?
The difference — +2h.
From which airports does Ontario operate flights?
From Ontario: ONT (Ontario International Airport).
To which airports in Austin do flights arrive?
To Austin: AUS (Austin-Bergstrom International Airport).
Which airlines fly this route?
This route is served by 2 airlines: Southwest Airlines, Frontier Airlines.
Which day of the week is cheapest?
The cheapest day of the week — Friday.
When is the best time to buy tickets?
Optimal — 1–3 months before departure. Check the calendar above — it shows the best dates.
How do I book flights?
Click "View this ticket" on any flight card — you'll be redirected to the booking page with this specific ticket pre-selected.
About the route Ontario — Austin

Flights Ontario — Austin is a popular route. The straight-line distance is 1 916 km. Flight time 2h 45m. Time difference +2h.

From Ontario (ONT) flights depart from 1 airport: ONT. To Austin (AUS) — 1 arrival airport: AUS.

2 airlines operate on this route: Southwest Airlines, Frontier Airlines.

The minimum price for the next 3 months — from $127 (20.11.2026). The cheapest dates are highlighted in the calendar above.

The average ticket price — $131, ranging from $127 to $134. Book 1–3 months in advance to get the best deals.

Cheapest day to fly — Friday.

Other destinations in United States from Ontario
Phoenix
US
Omaha
US
Orlando
US
Everett
US
West Palm Beach
US
Portland
US
Philadelphia
US
Providence
US

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