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Cheap flights Atlanta (Hartsfield-Jackson Atlanta) to Ontario

1 passenger, economy

Cheap flights Atlanta to Ontario

Compare prices, duration and stops

Frontier Airlines
F9 1449 🔥 Hot deal Best price
10:41
Atlanta, Hartsfield-Jackson Atlanta (ATL)
Wed, 9 sep
20h 6min
1 stop
06:47
Ontario (ONT)
Thu, 10 sep +1
97 S$
Frontier Airlines
F9 3293
23:38
Atlanta, Hartsfield-Jackson Atlanta (ATL)
Wed, 9 sep
17h 52min
1 stop
17:30
Ontario (ONT)
Thu, 10 sep +1
176 S$
Frontier Airlines
F9 4075
01:08
Atlanta, Hartsfield-Jackson Atlanta (ATL)
Thu, 10 sep
23h 40min
1 stop
00:48
Ontario (ONT)
Fri, 11 sep +1
207 S$
Frontier Airlines
F9 1449 🔥 Hot deal
10:41
Atlanta, Hartsfield-Jackson Atlanta (ATL)
Wed, 30 sep
6h 49min
Direct
17:30
Ontario (ONT)
Wed, 30 sep
143 S$
Frontier Airlines
F9 1115
01:18
Atlanta, Hartsfield-Jackson Atlanta (ATL)
Mon, 5 oct
12h 46min
1 stop
14:04
Ontario (ONT)
Mon, 5 oct
152 S$

Low price calendar

September 2026
Price chart (September 2026)
min: 176 S$ · max: 207 S$
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176 S$
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Cheap flights Atlanta to Ontario

Frontier Airlines
Frontier Airlines
Mon, Wed, Thu
Price from
S$152

Popular destinations from Atlanta

All →
ATL
Atlanta — Philadelphia
United States → United States
PHL
from
S$24
ATL
Atlanta — Orlando
United States → United States
ORL
from
S$24
ATL
Atlanta — Orlando
United States → United States
MCO
from
S$24
ATL
Atlanta — Tampa
United States → United States
TPA
from
S$24
ATL
Atlanta — Miami
United States → United States
MIA
from
S$25
ATL
Atlanta — Fort Lauderdale
United States → United States
FLL
from
S$25
ATL
Atlanta — Washington
United States → United States
WAS
from
S$26
ATL
Atlanta — Baltimore
United States → United States
BWI
from
S$26
ATL
Atlanta — Houston
United States → United States
HOU
from
S$26

Popular destinations to Ontario

All →
LAS
Las Vegas — Ontario
United States → United States
ONT
from
S$26
SFO
San Francisco — Ontario
United States → United States
ONT
from
S$26
HOU
Houston — Ontario
United States → United States
ONT
from
S$46
SEA
Seattle — Ontario
United States → United States
ONT
from
S$49
DEN
Denver — Ontario
United States → United States
ONT
from
S$49
PHX
Phoenix — Ontario
United States → United States
ONT
from
S$65
DFW
Dallas — Ontario
United States → United States
ONT
from
S$68
SJC
San Jose — Ontario
United States → United States
ONT
from
S$68
NYC
New York — Ontario
United States → United States
ONT
from
S$91

Cheap flights Atlanta to Ontario

Interesting facts about the route

Flight time

17h 10min

Distance

3 048 km

Average price

S$148

Most frequent flight

F9 1449

Passenger reviews

No reviews for this route yet

Internet abroad

eSIM · United States

All plans

change

3 GB

data

30

days

S$11

Buy

change

2 GB

data

15

days

S$16

Buy

change

5 GB

data

30

days

S$18

Buy

change

3 GB

data

30

days

S$20

Buy

change

5 GB

data

30

days

S$28

Buy

Frequently Asked Questions

The average ticket price Atlanta Ontario is S$148. The cheapest ticket costs S$176, operated by Frontier Airlines, flight 3293, departing Atlanta on 9 September at 23:38, arriving Ontario on 10 September at 17:30.
The average flight time is 23 hours 40 minutes. The fastest flight takes 17 hours 52 minutes, flight 3293 operated by Frontier Airlines, departing Atlanta on 9 September at 23:38, arriving Ontario on 10 September at 17:30.
Flights on the Atlanta - Ontario route are operated by the following airlines: Frontier Airlines.
The distance from Atlanta to Ontario is 3048 km.