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Cheap flights from Aspen to Los Angeles from $235

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Aspen to Los Angeles departing on 8/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Aspen to Los Angeles

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
3:20 pm - 8:58 pm
ASE
-
ONT
6h 38m
1 stop
United Airlines Logo
1:22 pm - 8:31 pm
ONT
-
ASE
6h 09m
1 stop
$533United Airlines
Thu, Sep 24 - Sat, Sep 26
United Airlines Logo
5:10 pm - 8:42 pm
ASE
-
ONT
4h 32m
1 stop
United Airlines Logo
5:00 am - 10:51 am
ONT
-
ASE
4h 51m
1 stop
$591United Airlines
Tue, Jul 21 - Thu, Jul 23
United Airlines Logo
9:40 am - 3:29 pm
ASE
-
ONT
6h 49m
1 stop
United Airlines Logo
1:18 pm - 8:11 pm
ONT
-
ASE
5h 53m
1 stop
$605United Airlines
Tue, Jul 21 - Wed, Jul 22
American Airlines Logo
7:36 am - 6:18 pm
ASE
-
ONT
11h 42m
2 stops
American Airlines Logo
11:59 pm - 10:01 am
ONT
-
ASE
9h 02m
1 stop
$627American Airlines
Wed, Jul 22 - Fri, Jul 24
American Airlines Logo
7:36 am - 6:18 pm
ASE
-
ONT
11h 42m
2 stops
American Airlines Logo
6:11 am - 8:17 pm
ONT
-
ASE
13h 06m
2 stops
$633American Airlines
Wed, Jul 22 - Fri, Jul 24
United Airlines Logo
2:22 pm - 8:42 pm
ASE
-
ONT
7h 20m
1 stop
United Airlines Logo
5:00 am - 10:51 am
ONT
-
ASE
4h 51m
1 stop
$672United Airlines
Sat, Aug 1 - Thu, Aug 6
United Airlines Logo
3:25 pm - 8:42 pm
ASE
-
ONT
6h 17m
1 stop
United Airlines Logo
1:18 pm - 8:11 pm
ONT
-
ASE
5h 53m
1 stop
$705United Airlines
Tue, Jul 21 - Thu, Jul 23
United Airlines Logo
8:32 am - 6:33 pm
ASE
-
ONT
11h 01m
2 stops
United Airlines Logo
5:00 am - 10:51 am
ONT
-
ASE
4h 51m
1 stop
$738United Airlines
Sat, Aug 1 - Thu, Aug 6
United Airlines Logo
2:22 pm - 8:42 pm
ASE
-
ONT
7h 20m
1 stop
United Airlines Logo
1:18 pm - 6:29 pm
ONT
-
ASE
4h 11m
1 stop
$795United Airlines
Tue, Jul 21 - Thu, Jul 23
United Airlines Logo
4:45 pm - 8:53 pm
ASE
-
ONT
5h 08m
1 stop
United Airlines Logo
1:18 pm - 8:16 pm
ONT
-
ASE
5h 58m
1 stop
$998United Airlines
Fri, Aug 14 - Mon, Aug 17

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American Airlines flights from Aspen to Ontario

Our best American Airlines deals on Aspen to Ontario flight tickets
American Airlines
Jul 22
ASE7:36 amAspen Pitkin County
11h 42m
2 stops
ONT6:18 pmOntario
Jul 24
ONT11:59 pmOntario
9h 02m
1 stop
ASE10:01 amAspen Pitkin County
$627
American Airlines
Jul 22
ASE7:36 amAspen Pitkin County
11h 42m
2 stops
ONT6:18 pmOntario
Jul 24
ONT6:11 amOntario
13h 06m
2 stops
ASE8:17 pmAspen Pitkin County
$633

United Airlines flights from Aspen to Ontario

Our best United Airlines deals on Aspen to Ontario flight tickets
United Airlines
Sep 24
ASE3:20 pmAspen Pitkin County
6h 38m
1 stop
ONT8:58 pmOntario
Sep 26
ONT1:22 pmOntario
6h 09m
1 stop
ASE8:31 pmAspen Pitkin County
$533
United Airlines
Jul 17
ASE5:10 pmAspen Pitkin County
4h 32m
1 stop
ONT8:42 pmOntario
Jul 22
ONT1:18 pmOntario
4h 11m
1 stop
ASE6:29 pmAspen Pitkin County
$555
United Airlines
Jul 21
ASE5:10 pmAspen Pitkin County
4h 32m
1 stop
ONT8:42 pmOntario
Jul 23
ONT5:00 amOntario
4h 51m
1 stop
ASE10:51 amAspen Pitkin County
$591

momondo Fare Finder

 
Customize your flight search to find flights from Aspen to Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated July 11, 2026.
Use the filters below to find and compare flights from Aspen to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

AspenOntario

ASE - ONT

ASEONT

Aspen Pitkin County

Thu 9/24

3:20 pm-8:58 pm

1 stop6h 38m

Ontario

Sat 9/26

1:22 pm-8:31 pm

1 stop6h 09m

$533
Quickest round-trip

AspenOntario

ASE - ONT

ASEONT

Aspen Pitkin County

Tue 7/21

5:10 pm-8:42 pm

1 stop4h 32m

Ontario

Thu 7/23

5:00 am-10:51 am

1 stop4h 51m

$591

AspenOntario

ASE - ONT

ASEONT

Aspen Pitkin County

Tue 7/21

9:40 am-3:29 pm

1 stop6h 49m

Ontario

Wed 7/22

1:18 pm-8:11 pm

1 stop5h 53m

$605

AspenOntario

ASE - ONT

ASEONT

Aspen Pitkin County

Wed 7/22

7:36 am-6:18 pm

2 stops11h 42m

Ontario

Fri 7/24

11:59 pm-10:01 am

1 stop9h 02m

$627

AspenOntario

ASE - ONT

ASEONT

Aspen Pitkin County

Wed 7/22

7:36 am-6:18 pm

2 stops11h 42m

Ontario

Fri 7/24

6:11 am-8:17 pm

2 stops13h 06m

$633

AspenOntario

ASE - ONT

ASEONT

Aspen Pitkin County

Sat 8/1

2:22 pm-8:42 pm

1 stop7h 20m

Ontario

Thu 8/6

5:00 am-10:51 am

1 stop4h 51m

$672

AspenOntario

ASE - ONT

ASEONT

Aspen Pitkin County

Tue 7/21

3:25 pm-8:42 pm

1 stop6h 17m

Ontario

Thu 7/23

1:18 pm-8:11 pm

1 stop5h 53m

$705

AspenOntario

ASE - ONT

ASEONT

Aspen Pitkin County

Sat 8/1

8:32 am-6:33 pm

2 stops11h 01m

Ontario

Thu 8/6

5:00 am-10:51 am

1 stop4h 51m

$738

AspenOntario

ASE - ONT

ASEONT

Aspen Pitkin County

Tue 7/21

2:22 pm-8:42 pm

1 stop7h 20m

Ontario

Thu 7/23

1:18 pm-6:29 pm

1 stop4h 11m

$795

AspenOntario

ASE - ONT

ASEONT

Aspen Pitkin County

Fri 8/14

4:45 pm-8:53 pm

1 stop5h 08m

Ontario

Mon 8/17

1:18 pm-8:16 pm

1 stop5h 58m

$998

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Los Angeles from

How to get the cheapest flight ticket from Aspen to Ontario

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Aspen Pitkin County to Ontario?

United Airlines is the most popular carrier operating from Aspen Pitkin County to Ontario

What airlines fly to Ontario?

United Airlines, Breeze Airways and American Airlines are the top three most popular airlines that fly to Ontario from Aspen according to our data. United Airlines is the first choice among our users, with 55% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 4 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.

When to book flights from Aspen to Ontario

Are you open to changing your travel dates? Check out the ideal times to fly from Aspen to Ontario according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Aspen to Ontario (ASE to ONT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Aspen to Ontario

Fastest flight time

4h 32m

Direct flights

None
The fastest flight from Aspen to Ontario takes 4h 32m
There are no direct flights from Aspen to Ontario. There are no popular flight routes from Aspen to Ontario.
Search flight deals

Frequently asked questions about flying from Aspen to Ontario

  • How far is Aspen Pitkin County to Ontario by plane?

    The straight-line distance from Aspen Pitkin County to Ontario is 696.2 mi. 4h 32m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Aspen Pitkin County Airport to Ontario Airport?

    Prices for flights from Aspen Pitkin County Airport to Ontario Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Aspen Pitkin County Airport to Ontario Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Aspen Pitkin County Airport to Ontario Airport.

  • What documentation or ID do you need to fly to Ontario Airport?

    The travel and health documents required for your trip to Ontario Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Ontario Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

Why should I use momondo to find a flight deal from Aspen to Ontario?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Aspen to Ontario for you.

Can I find flights from Aspen to Ontario with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Ontario from Aspen with this policy.

How can momondo help me find flights from Aspen to Ontario?

momondo provides multiple filters to help you find the best flight to Ontario from Aspen. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Aspen to Ontario right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Aspen to Ontario now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Ontario and let you know when they change.

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