Flights Ontario → Austin
As of October 2026, economy flights from Ontario to Austin have a typical range USD 429–668, median USD 513. Full range across all 225 offers: USD 195–1858. We analyzed 225 offers from 8 airlines in a single price check.
Preview snapshot — prices change. Search for live results.
Data collected by LetsFG's multi-source price checks — every airline and the major booking sites checked for this route. How we collect data →
Best offers by airline: Ontario → Austin
Based on 225 offers · October 2026. Prices and availability change — run a live search to confirm.
Bag & seat fees: Ontario → Austin
Add-on pricing from the cheapest available offer per airline · October 2026 · USD
| Airline | Carry-on | Checked bag | Seat selection |
|---|---|---|---|
| Frontier Airlines | — | — | — |
| Alaska Airlines | Included | USD 35 | — |
| American Airlines | Included | USD 35 | — |
| American | — | USD 100 | — |
| Delta | Included | USD 35 | — |
| Southwest Airlines | — | USD 90 | — |
| United | Included | USD 35 | — |
Fees are estimates from the prices we checked and may not reflect your specific itinerary, booking class, or payment method. Run a live search for exact pricing.
How much do flights from Ontario to Austin cost?
Based on 225 offers · October 2026
Ontario to Austin flights ranged from USD 195 to USD 1858 across 225 offers analyzed in October 2026. The chart below shows how prices distributed across all 225 offers.
These 225 offers (October 2026) span multiple departure dates and booking windows — your travel dates may fall anywhere in this distribution. Only a live search shows where your specific trip lands.
50% of offers priced between USD 447 and USD 519
What hidden fees do Ontario to Austin flights charge?
Ancillary fees — bags, seat selection, and payment surcharges — can add 10–25% to the base fare on Ontario to Austin routes. The breakdown below is based on 225 offers analyzed in October 2026.
| Carrier | Avg fee (USD) | % of base fare |
|---|---|---|
| F9 | 10 | 2% |
| AS | 45 | 9% |
| AA | 45 | 9% |
| American | 100 | 23% |
| DL | 45 | 4% |
| WN | 6 | 1% |
| UA | 45 | 7% |
American: base ~USD 327 + fees USD 100 = ~USD 427 total. Southwest Airlines: base ~USD 513 + fees USD 6 = ~USD 519 total.
American's USD 100 ancillary fees narrow the gap with Southwest Airlines's lower-fee model — the USD 186 base difference shrinks to USD 92 after fees. Always compare total cost, not just the advertised base fare.
Estimates based on median total minus average ancillary fee. Actual base fares vary by itinerary.Fee levels vary significantly across carriers on this route — some carriers charge 50%+ above the base fare in ancillary fees.
Run your search to see itemized fees for your itineraryWhich airline is cheapest from Ontario to Austin?
8 airlines flew Ontario to Austin in this dataset. Knowing the airline isn't enough — the typical fare range below shows how far prices swing on each one. Median and range include all fees we recorded.
Even on the cheapest airline (Frontier), fares ranged USD 195–403 in this snapshot. Your exact price depends on your dates and how far ahead you book — run a live search to see your number →
| Airline | Offers | Typical range (USD) | Median (USD) | Fees (USD) |
|---|---|---|---|---|
 Frontier | 7 | 195–403 | 238 | n/a |
 American | 1 | — | 427 | 100 (23%) |
 Frontier Airlines | 9 | 359–465 | 442 | 10 (2%) |
 Alaska Airlines | 4 | 414–620 | 460 | 45 (10%) |
 American Airlines | 50 | 426–612 | 502 | 45 (9%) |
 Southwest Airlines | 119 | 447–552 | 519 | 6 (1%) |
 United Airlines | 22 | 447–998 | 607 | 45 (7%) |
 Delta Air Lines | 13 | 511–1684 | 1155 | 45 (4%) |
Where do the best Ontario → Austin prices come from?
We checked direct airlines, travel agencies, and meta-search for this route. On this route the lowest median came from travel agency sources, but the cheapest channel shifts by route and date — which is exactly why a live search across all of them wins.
We compare every airline and the major booking sites but never disclose which — that's our edge. Prices are the ones we observed and aren't official data from any platform. Run a live search and we bring you the cheapest, wherever it is.
Key facts: Ontario to Austin flights
- Full-service carriers on Ontario–Austin cost 1.6x more than budget airlines (USD 630 vs USD 400 median; overall median USD 513).
- American charges 16.5x more in ancillary fees than WN — USD 100 vs USD 6 avg per booking.
- The same route priced USD 276 apart depending on where it was booked — the lowest median was USD 238. We search every airline and the major booking sites at once so you always see that lowest price.
Frequently asked questions
- How much does a flight from Ontario to Austin cost?
- Based on 225 offers analyzed, Ontario to Austin flights range from USD 195 to USD 1858, with a median price of USD 513. Search for your specific dates →
- What hidden fees should I expect on Ontario to Austin flights?
- On average, ancillary fees (bags, seat selection) add USD 23 to the base fare on Ontario to Austin flights. See itemized fees for your itinerary →
- Which airline is cheapest on Ontario to Austin including all fees?
- Frontier has the lowest median fare on Ontario to Austin at USD 238 (median across 7 offers in our snapshot). Check which airline wins on your dates →
- Which booking site has the cheapest Ontario–Austin flights?
- It depends on your dates — no single site is always cheapest. We search every airline and the major booking sites at once (travel agencies and meta-search included) and surface whichever is lowest; the best median in this snapshot was USD 238. Run a live search and we'll find the cheapest for you →
- Why do prices vary so much on Ontario to Austin routes?
- Ontario to Austin has 8 airlines competing, creating a price range from USD 195 to USD 1858 across 225 offers. Prices on this route change with booking timing, advance purchase, and ancillary add-ons. Find where your trip lands in the distribution →
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