Ontario to Dallas flights
The cheapest round trip we found from Ontario to Dallas is $112 (Dec 1 – 4, 1 stop), 52% below the usual $232.
ONT to DFW · Round trip · Economy · Prices per person in USD · Price found (1 day ago)
Cheapest found
Cheapest round trip by month
Lowest fare found per departure month| Month | Cheapest round trip |
|---|---|
| November 2026 | $165 |
| December 2026 | $112 (cheapest month) |
| January 2027 | No fares found yet |
| February 2027 | $237 |
Cheapest dates in the next 4 months
Round trip, per person-
Dec 1 – 4 3 nights · leave Tue$112 −52% vs usual$112 −52% vs usual Book
Frontier Airlines 1 stop · 3h 48m -
Feb 15 – 18, 2027 3 nights · leave Mon$237$237 Book
Frontier Airlines 1 stop · 3h 45m
-
Nov 7 – 9 2 nights · leave Sat$262 +13% vs usual$262 +13% vs usual Book
Frontier Airlines Nonstop · 3h 14m
-
Nov 24 – 28 4 nights · leave Tue$288 +24% vs usual$288 +24% vs usual Book
Frontier Airlines Nonstop · 3h 07m
-
Nov 6 – 8 2 nights · leave Fri$399 +72% vs usual$399 +72% vs usual Book
Frontier Airlines 1 stop · 3h 05m
Prices change often. The booking site shows the final price before you pay. Other dates? Set an alert
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Ontario to Dallas: questions
How much does a flight from Ontario to Dallas cost?
The cheapest round trip we have found right now is $112, leaving December 1 and returning December 4. The usual price on this route is about $232, so this fare is 52% less. Prices are per person, economy, in USD.
What is the cheapest month to fly from Ontario to Dallas?
December 2026, with round trips from $112. The most expensive month in our data is February (from $237). Based on the 3 months ahead we have prices for.
Which airports do Ontario to Dallas flights use?
Ontario airports include Ontario International (ONT). Dallas airports include Dallas/Fort Worth International (DFW), Addison (ADS) and Dallas Love Field (DAL). The prices on this page cover every airport in both cities (ONT and DFW are the city codes).
About this route
We track round-trip economy fares from Ontario (United States) to Dallas (United States) using Travelpayouts / Aviasales data. The cheapest round trip we've found is $112, departing December 1 and returning December 4, about 52% below the usual $232. Right now we're following 5 upcoming date combinations on this route. The cheapest month to fly in our data is December, from $112. Prices are per person and were correct when found; the final price is set by the airline or booking site when you book.