Flights from Ontario (ONT) to Denver (DEN) with Star Alliance

Start your journey with just one click

Airline

1/16

Ontario

toDenver

ONT-DEN

January 31, 2025

February 1, 2025

Sold byUnited Airlines

From

177USD Price subject to changes

Viewed:59 minutes ago

Roundtrip

Economy

2/16

Ontario

toDenver

ONT-DEN

December 15, 2024

December 17, 2024

Sold byUnited Airlines

From

217USD Price subject to changes

Viewed:an hour ago

Roundtrip

Economy

3/16

Ontario

toDenver

ONT-DEN

January 31, 2025

February 1, 2025

Sold byUnited Airlines

From

237USD Price subject to changes

Viewed:59 minutes ago

Roundtrip

Economy

4/16

Ontario

toDenver

ONT-DEN

December 15, 2024

December 17, 2024

Sold byUnited Airlines

From

269USD Price subject to changes

Viewed:an hour ago

Roundtrip

Economy

*Prices have been offered for round trips within the last 48 hours and might not be currently available. Not all Star Alliance Member Airlines or all fares/options are shown. Additional baggage fees, payment fees and fees for other optional services may apply. When booking, please check for restrictions on refunds, rebooking and baggage allowance that may apply. Prices may vary depending on the route and flights selected. Routings may include stopovers. Terms and conditions apply.

Weather in Denver

Wednesday

sky is clear

20/11/2024

8°C

20/11/2024

sky is clear

Thursday

scattered clouds

21/11/2024

9°C

21/11/2024

scattered clouds

Friday

overcast clouds

22/11/2024

12°C

22/11/2024

overcast clouds

Saturday

overcast clouds

23/11/2024

12°C

23/11/2024

overcast clouds

Sunday

light snow

24/11/2024

9°C

24/11/2024

light snow

Monday

light rain

25/11/2024

5°C

25/11/2024

light rain

Tuesday

light rain

26/11/2024

6°C

26/11/2024

light rain

Flight schedules from Ontario to Denver with Star Alliance member carriers

Please note that the flight schedules of our member carriers are subject to change on short notice. We recommend using our member airlines information page. for the latest flight updates, details on booking flexibility, as well as specific Frequent Flyer Program information.

Outbound (8)

Sort by

Los Angeles US
ONT05:05
2h 20m
No stops
Denver US
DEN08:25
Los Angeles - Denver
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 652
  Los Angeles. US
  ONT 05:05
  2h 20m
  822 Miles
  Denver. US
  DEN 08:25
  Boeing 737-800 Passenger
  Operated by United Airlines
Los Angeles US
ONT13:42
2h 20m
No stops
Denver US
DEN17:02
Los Angeles - Denver
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 745
  Los Angeles. US
  ONT 13:42
  2h 20m
  822 Miles
  Denver. US
  DEN 17:02
  Airbus A319 Passenger
  Operated by United Airlines
Los Angeles US
ONT10:35
5h 5m
1 Stop
Denver US
DEN16:40
Los Angeles - Denver
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 4639
  Los Angeles. US
  ONT 10:35
  1h 33m
  364 Miles
  San Francisco. US
  SFO 12:08
  Embraer 175 (Enhanced Winglets)
  Operated by United Airlines
2. Flight 2United Airlines UA 1417
  San Francisco. US
  SFO 13:00
  2h 40m
  970 Miles
  Denver. US
  DEN 16:40
  Boeing 777 Passenger
  Operated by United Airlines
Los Angeles US
ONT06:00
5h 40m
1 Stop
Denver US
DEN12:40
Los Angeles - Denver
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 277
  Los Angeles. US
  ONT 06:00
  1h 26m
  364 Miles
  San Francisco. US
  SFO 07:26
  Airbus A319 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 1625
  San Francisco. US
  SFO 09:00
  2h 40m
  970 Miles
  Denver. US
  DEN 12:40
  Boeing 757-200 Passenger
  Operated by United Airlines
Los Angeles US
ONT15:15
6h 2m
1 Stop
Denver US
DEN22:17
Los Angeles - Denver
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 5645
  Los Angeles. US
  ONT 15:15
  1h 33m
  364 Miles
  San Francisco. US
  SFO 16:48
  Embraer 175 (Enhanced Winglets)
  Operated by United Airlines
2. Flight 2United Airlines UA 373
  San Francisco. US
  SFO 18:40
  2h 37m
  970 Miles
  Denver. US
  DEN 22:17
  Boeing 737-800 Passenger
  Operated by United Airlines
Los Angeles US
ONT10:35
6h 30m
1 Stop
Denver US
DEN18:05
Los Angeles - Denver
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 4639
  Los Angeles. US
  ONT 10:35
  1h 33m
  364 Miles
  San Francisco. US
  SFO 12:08
  Embraer 175 (Enhanced Winglets)
  Operated by United Airlines
2. Flight 2United Airlines UA 618
  San Francisco. US
  SFO 14:25
  2h 40m
  970 Miles
  Denver. US
  DEN 18:05
  Boeing 737-800 Passenger
  Operated by United Airlines
Los Angeles US
ONT15:15
6h 51m
1 Stop
Denver US
DEN23:06
Los Angeles - Denver
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 5645
  Los Angeles. US
  ONT 15:15
  1h 33m
  364 Miles
  San Francisco. US
  SFO 16:48
  Embraer 175 (Enhanced Winglets)
  Operated by United Airlines
2. Flight 2United Airlines UA 589
  San Francisco. US
  SFO 19:29
  2h 37m
  970 Miles
  Denver. US
  DEN 23:06
  Boeing 737-800 Passenger
  Operated by United Airlines
Los Angeles US
ONT10:35
7h 46m
2 Stops
Denver US
DEN19:21
Los Angeles - Denver
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 4639
  Los Angeles. US
  ONT 10:35
  1h 33m
  364 Miles
  San Francisco. US
  SFO 12:08
  Embraer 175 (Enhanced Winglets)
  Operated by United Airlines
2. Flight 2United Airlines UA 611
  San Francisco. US
  SFO 13:06
  1h 42m
  415 Miles
  Las Vegas. US
  LAS 14:48
  Boeing 737 MAX 8 Passenger / BBJ MAX 8 / Boeing 737 MAX 200
  Operated by United Airlines
3. Flight 3United Airlines UA 1669
  Las Vegas. US
  LAS 16:20
  2h 1m
  630 Miles
  Denver. US
  DEN 19:21
  
  Operated by United Airlines

Start your journey with just one click

Los Angeles - Denver

Los Angeles - Denver

Los Angeles - Denver

Los Angeles - Denver

Los Angeles - Denver

Los Angeles - Denver

Los Angeles - Denver

Los Angeles - Denver