Ontario to Dallas ONT → DFW
Ontario International Airport (ONT) → Dallas/Fort Worth International Airport (DFW)
The cheapest return found recently is $259 with Frontier Airlines, 21 Nov – 23 Nov, found today. The cheapest one-way found recently is $93 with Frontier Airlines, 19 Nov, found 6 days ago.
Return
The cheapest return fare on each of 5 departure dates is usually $259 to $316.
Cheapest return found recently
$259
21 Nov – 23 Nov · Frontier Airlines
Ontario International Airport (ONT) → Dallas/Fort Worth International Airport (DFW)
Leaves 10:47 p.m. · Return leaves 5:01 a.m. · 8 h 7 min of travel, both ways together
out 1 stop, back nonstop
found today
Cheapest nonstop return
$399
23 Oct – 24 Oct · Frontier Airlines
Ontario International Airport (ONT) → Dallas/Fort Worth International Airport (DFW)
Leaves 8:03 p.m. · Return leaves 1:38 p.m. · 6 h 18 min of travel, both ways together
out nonstop, back nonstop
found 4 days ago
Found recently, and the cheapest we hold
$259 21 Nov – 23 Novfound todaySee prices for these dates
$191 1 Dec – 4 Decfound 3 days agoSee prices for these dates
What have prices looked like?
Over 25 days, 24 Sept to 18 Oct, the cheapest return we saw each day was $133 to $257.
At $259, the cheapest return found recently is above that range.
25 days is a short history, so treat this range as an early guide.
Those were the prices on those days, not today's.
Is this a good return price?
Compared with the cheapest return fare on each of 5 departure dates from 23 Oct to 26 Dec, found by travelers' searches in the last 7 days (economy, the price the seller showed on Aviasales). The usual range is the middle half of those prices.
Could nearby dates be cheaper?
We hold no other 2-night return fares leaving within 3 days of 21 Nov to compare.
Every date we hold
7 fares on 5 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 23 Oct – 24 Oct | $399 | Frontier Airlines | Ontario International Airport (ONT) → Dallas/Fort Worth International Airport (DFW) | out nonstop, back nonstop | found 4 days ago | See prices for these dates |
| 21 Nov – 23 Nov | $259 | Frontier Airlines | Ontario International Airport (ONT) → Dallas/Fort Worth International Airport (DFW) | out 1 stop, back nonstop | found today | See prices for these dates |
| 25 Nov – 28 Nov | $275 | Frontier Airlines | Ontario International Airport (ONT) → Dallas/Fort Worth International Airport (DFW) | out 1 stop, back nonstop | found today | See prices for these dates |
| 1 Dec – 4 Dec | $191 | Frontier Airlines | Ontario International Airport (ONT) → Dallas/Fort Worth International Airport (DFW) | out 1 stop, back 1 stop | found 3 days ago | See prices for these dates |
| 26 Dec – 2 Jan 2027 | $316 | Frontier Airlines | Ontario International Airport (ONT) → Dallas/Fort Worth International Airport (DFW) | out 1 stop, back 1 stop | found 5 days ago | See prices for these dates |
Which month looks cheapest?
December 2026 is the cheapest month — from $191.
Airlines on the cheapest dates: Frontier Airlines.
One-way
Not enough comparable prices yet for a usual one-way price.
Cheapest one-way found recently
$93
19 Nov · Frontier Airlines
Ontario International Airport (ONT) → Dallas/Fort Worth International Airport (DFW)
Leaves 11:52 a.m. · 19 h 38 min trip
1 stop
found 6 days ago
Cheapest nonstop one-way
None seen yet.
Found recently, and the cheapest we hold
$93 19 Novfound 6 days agoOpen this trip
It is also the cheapest one-way we hold, of any age.
What have prices looked like?
Over 21 days, 24 Sept to 15 Oct, the cheapest one-way we saw each day was $82 to $195.
21 days is a short history, so treat this range as an early guide.
Those were the prices on those days, not today's.
Is this a good one-way price?
Not enough comparable prices yet: we hold one-way fares on 1 departure date and need at least 3 to say what is usual.
Could nearby dates be cheaper?
We hold no other one-way fares leaving within 3 days of 19 Nov to compare.
Every date we hold
1 fares on 1 departure dates
See every date as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 19 Nov | $93 | Frontier Airlines | Ontario International Airport (ONT) → Dallas/Fort Worth International Airport (DFW) | 1 stop | found 6 days ago | Open this trip |
Airlines on the cheapest dates: Frontier Airlines.
Premium cabin fares from Ontario to Dallas
We hold no premium economy, business or first-class fares for this route: we collect them for the busiest routes, and this one is not among them yet.
Today's prices for 21 Nov – 23 Nov in another cabin: Premium economy · Business · First
Today's prices for 19 Nov in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Ontario to Dallas?
Return
Fares 14 to 29 days before departure were typically 55% lower than 0 to 6 days before departure.
From the cheapest return each day between 24 Sept and 18 Oct (25 days), grouped by how many days ahead the flight left; one adult in economy.
Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.
Prices reflect recent searches — current fares may differ.
See these ranges as a table
| Booked ahead by | Typical fare | Cheapest day | Above the cheapest | Days of prices |
|---|---|---|---|---|
| 0–6 days | $398 | $359 | +120% | 11 |
| 7–13 days | $384 | $268 | +112% | 17 |
| 14–29 days | $181 | $133 | Cheapest seen | 24 |
| 30–59 days | $242 | $133 | +33% | 14 |
| 60–89 days | $333 | $263 | +84% | 16 |
| 90–179 days | $196 | $196 | +8% | 10 |
| 180+ days | $507 | $469 | +180% | 7 |
One-way
Not enough history yet: in 21 days of one-way prices, 24 Sept to 15 Oct, fewer than 3 booking ranges had prices on 7 days or more.
Could a nearby airport be cheaper?
A different airport at either end can change the fare — sometimes a lot.
Return
Los Angeles → Dallas
56 km from Ontario
$309
$50 more than flying from Ontario
25 Nov – 28 Nov · LAX → DFW · out 1 stop, back nonstop
found today
Long Beach → Dallas
60 km from Ontario
$570
$311 more than flying from Ontario
25 Nov – 28 Nov · LGB → DAL · out nonstop, back nonstop
found today
Cheapest recent price on each route — round trip, per traveler in Economy. Distances are in a straight line.
One-way
Los Angeles → Dallas
56 km from Ontario
$89
$4 less than flying from Ontario
9 Nov · SNA → DFW · nonstop
found 5 days ago
Cheapest recent price on each route — one way, per traveler in Economy. Distances are in a straight line.
Live price for these dates
The cheapest return found recently is for 21 Nov – 23 Nov. A live search on this page shows what those dates cost now, for one adult in economy.
Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work