Cheap flights from Colorado Springs to Ontario (COS - ONT) from $145

This is the cheapest one-way flight price, found on 6/4. Prices may vary by date and flight preferences.
COS — ONT
Jun 10 — Jun 171

How to find the cheapest flight from Colorado Springs (COS) to Ontario (ONT)

All the information you need to plan the best COS to ONT flight in 2023: compare Colorado Springs to Ontario flight prices with the expected peak season, weather and rainfall in Ontario.

Popular in

July

Cheapest in

September

Average price

$449

Round-trip from

$217
High demand for flights, 51% potential price rise
Best time to find cheap flights, 41% potential price drop
Average for round-trip flights in June 2023
From Colorado Springs to Ontario

COS - LAX

Price

$217 - $502

LAX

Temperature

57.2 - 73.4 °F

LAX

Rainfall

0 - 3.4 inches

Cheap flights from Colorado Springs to Ontario in June, July 2023

The best prices found for COS to ONT flights for June, July
The lowest fares we've come across on flights traveling from Colorado Springs to Ontario in June and July 2023. If these deals don't appeal to you, be sure to come back soon for more options.

Colorado Springs to Ontario 2023 flight deals

Cheap flights to Ontario from Colorado Springs found for this year
The lowest fares we've come across on flights traveling from Colorado Springs to Ontario in June and July 2023. If these deals don't appeal to you, be sure to come back soon for more options.

Cheap American Airlines flights from Colorado Springs to Ontario

Find some of the cheapest American Airlines flights traveling from Colorado Springs to Ontario. Make sure to check back often as deals are often changing.

Cheap United Airlines flights from Colorado Springs to Ontario

Some of the best deals we've found on United Airlines flights traveling from Colorado Springs to Ontario. Deals frequently update to provide users with more options.

Last minute flights from Colorado Springs to Ontario

Late deals on return flights to Ontario from Colorado Springs, departing today and this week
Have a look at some of the last-minute flights available departing from Colorado Springs to Ontario. It's wise to confirm all flight details are correct before booking.

One-way flights to Ontario from Colorado Springs

The cheapest one-way flights from Colorado Springs to Ontario
Users in need of a one-way flight from Colorado Springs to Ontario can choose from these deals. Users can also find round-trip Colorado Springs to Ontario flights by using the search form above.

Find flights from Colorado Springs to Ontario within your budget

Use the slider to find flights from Colorado Springs to Ontario that fit your budget.

Fly from

Any airport

Fly to

Any airport

Budget

$289 - $557

Route

Depart

Return

Price

Colorado SpringsOntario

COS - ONT

COSONT

Colorado Springs

Wed 8/16

1 stop6h 50m

Ontario

Fri 9/8

1 stop5h 35m

Colorado SpringsOntario

COS - ONT

COSONT

Colorado Springs

Tue 8/8

1 stop6h 04m

Ontario

Tue 8/15

1 stop4h 24m

Colorado SpringsOntario

COS - ONT

COSONT

Colorado Springs

Tue 8/8

1 stop8h 29m

Ontario

Tue 8/15

2 stops10h 58m

Colorado SpringsOntario

COS - ONT

COSONT

Colorado Springs

Tue 8/8

2 stops7h 51m

Ontario

Tue 8/15

2 stops10h 58m

Colorado SpringsOntario

COS - ONT

COSONT

Colorado Springs

Tue 7/4

1 stop4h 17m

Ontario

Wed 7/5

1 stop8h 08m

Colorado SpringsOntario

COS - ONT

COSONT

Colorado Springs

Tue 7/11

1 stop6h 50m

Ontario

Tue 7/18

1 stop4h 24m

Colorado SpringsOntario

COS - ONT

COSONT

Colorado Springs

Fri 8/18

2 stops7h 49m

Ontario

Sun 8/20

1 stop9h 05m

Colorado SpringsOntario

COS - ONT

COSONT

Colorado Springs

Sun 6/18

3 stops47h 55m

Ontario

Fri 6/23

2 stops48h 38m

Colorado SpringsOntario

COS - ONT

COSONT

Colorado Springs

Tue 7/11

1 stop4h 36m

Ontario

Sat 7/15

1 stop5h 39m

Flights are sorted by cheapest first

Deals found on 6/4

Reviews of Airlines Servicing Ontario

Get a feel of what it's like to fly with American Airlines, United Airlines and Delta from Colorado Springs to Ontario by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
2,388 reviews

Food

7.2

Comfort

7.9

Entertainment

7.8

Overall

8.0

Crew

8.5

Boarding

8.1

Reviews

1 / 10

Boarding didn’t go well due to taking too long not sure why but crew was great and flight itself great

Delta
8.0
Very good
2,388 reviews
Delta
8.0
Very good
2,388 reviews

Food

7.2

Comfort

7.9

Entertainment

7.8

Overall

8.0

Crew

8.5

Boarding

8.1

Reviews

1 / 10

Boarding didn’t go well due to taking too long not sure why but crew was great and flight itself great

United Airlines
7.6
Good
1,551 reviews
Delta
8.0
Very good
2,388 reviews

Food

7.2

Comfort

7.9

Entertainment

7.8

Overall

8.0

Crew

8.5

Boarding

8.1

Reviews

1 / 10

Boarding didn’t go well due to taking too long not sure why but crew was great and flight itself great

American Airlines
7.3
Good
2,149 reviews
Delta
8.0
Very good
2,388 reviews

Food

7.2

Comfort

7.9

Entertainment

7.8

Overall

8.0

Crew

8.5

Boarding

8.1

Reviews

1 / 10

Boarding didn’t go well due to taking too long not sure why but crew was great and flight itself great

Related info for your journey

Useful info, stats and facts about Colorado Springs to Ontario flights.

Alternative routes for Colorado Springs to Ontario

See prices for flight routes from nearby airports that may be better suited for you.

Top 3 airlines flying from Colorado Springs to Ontario

The chart below displays the airlines Cheapflights users traveling from Colorado Springs to Ontario choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
United AirlinesCheapest$227Average$526FlexibilityNo cancel feeOn-time69%COVID-19 safety
Search United Airlines flights
DeltaCheapest$230Average$447FlexibilityNo cancel feeOn-timeN/ACOVID-19 safety
Search Delta flights
American AirlinesCheapest$372Average$479FlexibilityNo cancel feeOn-time71%COVID-19 safety
Search American Airlines flights

Hourly flight availability from Colorado Springs to Ontario

See what time of day planes typically take off from Colorado Springs to Ontario
0%of flight departuresEarly morningMidnight to 6 am
0%of flight departuresMorning6 am to noon
100%of flight departuresAfternoonNoon to 6 pm
0%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Weekly flight availability from Colorado Springs to Ontario

See how many times per day planes take to the skies headed from Colorado Springs to Ontario
Sunday0daily flights
Monday0daily flights
Tuesday0daily flights
Wednesday0daily flights
Thursday0daily flights
Friday0daily flights
Saturday1daily flight
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