Round trip from
$144
6 Dec – 11 Dec · Southwest Airlines · direct
found today
Direct flights from
$144
6 Dec – 11 Dec · Southwest Airlines
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2150 km
Distance
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3 h 25 min
Shortest flight
-
12%
Direct flights
-
4
Airlines
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$91
One way from
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$144
Round trip from
The route at a glance
About 2150 km separate Houston and Ontario; the quickest flight is 3 h 25 min and a typical one 4 h 52 min.
12% of the cheapest tickets are direct; Frontier Airlines carries 88% of them.
Most cheap flights leave from George Bush Intercontinental Airport (25 km from the centre of Houston).
Most land at Ontario International Airport (4 km from the centre of Ontario).
A one-way ticket starts at $91, a round trip at $144.
Cheapest price by month
| Month | Round trip from |
|---|---|
| November 2026 | $148 |
| December 2026 | $144 |
| February 2027 | $224 |
| March 2027 | $527 |
| April 2027 | $273 |
Cheapest day to fly
Looking two months ahead, 5 December is the cheapest date to leave, at $91.
| Mon | Tue | Wed | Thu | Fri | Sat | Sun |
|---|---|---|---|---|---|---|
| 10 $155 |
11 $175 |
12 $194 |
5 $91 |
Cheaper More expensive
- $91 — Saturday, Dec. 5, 2026
- $155 — Tuesday, Nov. 10, 2026
- $175 — Wednesday, Nov. 11, 2026
- $194 — Thursday, Nov. 12, 2026
Price trend, last 30 days
Over the last 30 days the fare moved between $144 and $180, averaging $153.
Today's price is 6% below that average — a good moment to book.
- 5 October — $180
- 10 October — $151
- 15 October — $144
- 20 October — $144
- 25 October — $161
- 30 October — $144
- 4 November — $144
Trip length and timing
The cheapest tickets are for stays of about 3 nights (the very cheapest: 5 nights), booked around 19 days ahead.
Airlines on this route
Airports used
Trip essentials
Car rental in Ontario
Pick up a car at the airport.
Mobile data in Ontario
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Airport transfer in Ontario
A fixed-price ride from the airport, booked ahead.
by Kiwitaxi
Flight delayed or cancelled?
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Flight deals from Houston in Telegram
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Questions and answers
- What is the cheapest price for flights from Houston to Ontario?
- The cheapest round-trip ticket found recently costs $144.
- Which month is the cheapest to fly from Houston to Ontario?
- December 2026 is currently the cheapest month, with tickets from $144.
- Are there direct flights from Houston to Ontario?
- Yes. Direct flights were found from $144.
- Which airlines fly from Houston to Ontario?
- Airlines found on this route: American Airlines, Frontier Airlines, United Airlines, Southwest Airlines.
- How far is Ontario from Houston?
- The distance is about 2150 km. A direct flight takes about 3 h 25 min.
- How long is the flight from Houston to Ontario?
- The shortest flight takes 3 h 25 min; most take about 4 h 52 min.
- Which airports do flights from Houston to Ontario use?
- Most depart from George Bush Intercontinental Airport and arrive at Ontario International Airport.