Cheap flights from Fargo to Ontario from $151 FAR → ONT
Hector International Airport (FAR) → Ontario International Airport (ONT)
The cheapest return found recently is $326 with Allegiant Air, 11 Dec – 20 Dec, found 7 days ago. The cheapest one-way found recently is $151 with Allegiant Air, 11 Dec, found 5 days ago.
- Cheapest one-way found recently
- $151, found 5 days ago
- Cheapest return found recently
- $326, 11 Dec to 20 Dec
- Cheapest month to fly
- December 2026, one-way fares from $151 found in the last 7 days
Return
Not enough comparable prices yet for a usual return price.
Cheapest return found recently
$326
11 Dec – 20 Dec · Allegiant Air
Hector International Airport (FAR) → Ontario International Airport (ONT)
Leaves 7:57 p.m. · Return leaves 12:24 p.m. · 45 h 9 min of travel, both ways together
out 2 stops, back 2 stops
found 7 days ago
Cheapest nonstop return
None seen yet.
Found recently, and the cheapest we hold
$326 11 Dec – 20 Decfound 7 days agoSee prices for these dates
It is also the cheapest return we hold, of any age.
What have prices looked like?
Over 16 days, 15 Oct to 11 Nov, the cheapest return we saw each day was $326 to $528.
At $326, the cheapest return found recently is at the low end of that range.
16 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?
Not enough comparable prices yet: we hold return fares on 1 departure date and need at least 3 to say what is usual.
Could nearby dates be cheaper?
We hold no other 9-night return fares leaving within 3 days of 11 Dec to compare.
Every date we hold
1 fares on 1 departure dates
See every date as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 11 Dec – 20 Dec | $326 | Allegiant Air | Hector International Airport (FAR) → Ontario International Airport (ONT) | out 2 stops, back 2 stops | found 7 days ago | See prices for these dates |
Airlines on the cheapest dates: Allegiant Air.
One-way
The cheapest one-way fare on each of 3 departure dates is usually $152 to $165.
Cheapest one-way found recently
$151
11 Dec · Allegiant Air
Hector International Airport (FAR) → Ontario International Airport (ONT)
Leaves 7:57 p.m. · 24 h 34 min trip
2 stops
found 5 days ago
Cheapest nonstop one-way
None seen yet.
Found recently, and the cheapest we hold
$151 11 Decfound 5 days agoOpen this trip
It is also the cheapest one-way we hold, of any age.
What have prices looked like?
Over 6 days, 6 Nov to 11 Nov, the cheapest one-way we saw each day was $151.
At $151, the cheapest one-way found recently costs the same.
6 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?
Compared with the cheapest one-way fare on each of 3 departure dates from 16 Nov to 11 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?
No. We hold one-way fares on 1 other departure date within 3 days of 11 Dec, and it is not cheaper.
Every date we hold
3 fares on 3 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 16 Nov | $177 | Frontier Airlines | Hector International Airport (FAR) → Ontario International Airport (ONT) | 1 stop | found 7 days ago | Open this trip |
| 10 Dec | $152 | Frontier Airlines | Hector International Airport (FAR) → Ontario International Airport (ONT) | 1 stop | found 5 days ago | Open this trip |
| 11 Dec | $151 | Allegiant Air | Hector International Airport (FAR) → Ontario International Airport (ONT) | 2 stops | found 5 days ago | Open this trip |
Which month looks cheapest?
December 2026 is the cheapest month — from $151.
Airlines on the cheapest dates: Frontier Airlines, Allegiant Air.
Premium cabin fares from Fargo to Ontario
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 11 Dec – 20 Dec in another cabin: Premium economy · Business · First
Today's prices for 11 Dec in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Fargo to Ontario?
Return
Not enough history yet: in 16 days of return prices, 15 Oct to 11 Nov, fewer than 3 booking ranges had prices on 7 days or more.
One-way
Not enough history yet: we have 6 days of one-way prices, 6 Nov to 11 Nov, and compare booking times once 3 booking ranges have 7 days each.
Live price for these dates
The cheapest return found recently is for 11 Dec – 20 Dec. A live search on this page shows what those dates cost now, for one adult in economy.
Questions about this trip
How much is a return flight from Fargo to Ontario?
The cheapest return found recently is $326 with Allegiant Air, 11 Dec to 20 Dec, found 7 days ago.
How much is a one-way flight from Fargo to Ontario?
The cheapest one-way found recently is $151 with Allegiant Air, 11 Dec, found 5 days ago. The cheapest one-way fare on each of 3 departure dates is usually $152 to $165.
What is the cheapest month to fly from Fargo to Ontario?
December 2026 is the cheapest month for a one-way, from $151, 11 Dec, found 5 days ago.
How long is the flight from Fargo to Ontario?
The cheapest one-way found recently, with Allegiant Air on 11 Dec, takes 24 h 34 min with 2 stops.
Which airlines have the cheapest flights from Fargo to Ontario?
Between 16 Nov and 11 Dec, Frontier Airlines has the cheapest one-way on 2 of the 3 departure dates we hold, and Allegiant Air on 1.
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