Ontario

Cheap First Class flights to Ontario

Explore and compare the cheapest first class flights to Ontario from hundreds of sites

LAX — ONT
nov. 4 — nov. 111
1 adult
lun. 11/4
lun. 11/11
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Cheap first class flights to Ontario in 2024

Find the latest flights to Ontario in 2024, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 2,570,725 searches and data were last updated on octubre 30, 2024.

Top Rated Airline

United Airlines

No. of Airlines

5

Arrival Airport

Los Angeles Airport
Most popular airline to fly first class with to Ontario in the past 7 days
Airlines that offer first class options for this route
Closest airport for this route

Ontario round-trip first class flight deals

Discover round-trip first class flight deals to Ontario. Fares were last updated on octubre 30, 2024. In the last 7 days, Cheapflights users made a total of 2,570,725 searches.
Dec 7 - Dec 10
SFO

San Francisco

ONT

Ontario

Nonstop

1h 23m

10:35 pm-11:58 pm
ONT

Ontario

SFO

San Francisco

Nonstop

1h 26m

6:00 am-7:26 am
$289

United Airlines

Pick Dates

Deal found 10/29

Nov 18 - Nov 23
SEA

Seattle/Tacoma Intl

ONT

Ontario

Nonstop

2h 45m

2:00 pm-4:45 pm
ONT

Ontario

SEA

Seattle/Tacoma Intl

Nonstop

3h 02m

5:25 pm-8:27 pm
$393

Delta

Pick Dates

Deal found 10/28

Dec 19 - Dec 29
SEA

Seattle/Tacoma Intl

ONT

Ontario

Nonstop

2h 38m

9:21 pm-11:59 pm
ONT

Ontario

SEA

Seattle/Tacoma Intl

Nonstop

2h 52m

8:52 pm-11:44 pm
$537

Alaska Airlines

Pick Dates

Deal found 10/29

Nov 27 - Dec 3
SFO

San Francisco

ONT

Ontario

1 stop

6h 07m

3:55 pm-10:02 pm
ONT

Ontario

SFO

San Francisco

1 stop

6h 21m

6:10 am-12:31 pm
$816

American Airlines

Pick Dates

Deal found 10/29

Feb 13 - Feb 17
SEA

Seattle/Tacoma Intl

ONT

Ontario

1 stop

5h 16m

3:24 pm-8:40 pm
ONT

Ontario

SEA

Seattle/Tacoma Intl

1 stop

5h 40m

7:15 pm-12:55 am
$626

United Airlines

Pick Dates

Deal found 10/29

Nov 9 - Nov 16
IAH

Houston George Bush Intcntl

ONT

Ontario

Nonstop

3h 27m

8:35 pm-10:02 pm
ONT

Ontario

IAH

Houston George Bush Intcntl

Nonstop

3h 00m

6:10 am-11:10 am
$767

United Airlines

Pick Dates

Deal found 10/29

Ontario one-way first class flight deals

Discover one-way first class flight deals to Ontario. Fares were last updated on octubre 30, 2024. In the last 7 days, Cheapflights users made a total of 2,570,725 searches.
Dec 10
SFO

San Francisco

ONT

Ontario

Nonstop

1h 23m

10:35 pm-11:58 pm
$164

United Airlines

Pick Dates

Deal found 10/28

Dec 4
SEA

Seattle/Tacoma Intl

ONT

Ontario

Nonstop

2h 50m

7:55 pm-10:45 pm
$190

Delta

Pick Dates

Deal found 10/29

Nov 5
JFK

New York John F Kennedy Intl

ONT

Ontario

1 stop

8h 59m

8:00 am-1:59 pm
$558

American Airlines

Pick Dates

Deal found 10/30

Mar 2
IAH

Houston George Bush Intcntl

ONT

Ontario

2 stops

16h 55m

8:55 am-11:50 pm
$700

Alaska Airlines

Pick Dates

Deal found 10/29

Jan 30
IAH

Houston George Bush Intcntl

ONT

Ontario

Nonstop

3h 42m

8:15 pm-9:57 pm
$384

United Airlines

Pick Dates

Deal found 10/28

Nov 6
IAH

Houston George Bush Intcntl

ONT

Ontario

1 stop

7h 08m

7:15 am-12:23 pm
$458

Delta

Pick Dates

Deal found 10/29

Travel insights for first class flights from USA to Ontario

Get recent, data-driven insights about first class flights from USA to Ontario including ideal travel times, pricing trends, and more.

What is the cheapest month to book a First Class flight from USA to Ontario?

Currently, October is the cheapest month in which you can book a First Class flight from USA to Ontario (average of $147). Flying from USA to Ontario in March is currently the most expensive (average of $332). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Ontario ranges from 0.1 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. June is typically the driest time to visit Ontario when rainfall is around 0.1 in.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).

Top first class airline flying to Ontario

Explore the top four first class airlines operating flights to Ontario. Find out more about these airlines and their offerings, including amenities, in-flight services, and customer reviews. In the last 7 days, Cheapflights users made a total of 2,570,725 searches and data was last updated on octubre 30, 2024.
AirlineRatingFirst ClassPrice
DeltaPriceFrom $45First ClassRating
8.0
8.2

Boarding

7.9

Comfort

8.5

Crew

7.9

Entertainment

7.3

Food

Reviews

1 / 10

Excellent

Frequently asked questions about Ontario first class tickets

Find answers to common questions related to first class tickets for flights to Ontario. Get information on booking, amenities, upgrade options, and more. This FAQ section was last updated on octubre 30, 2024.
  • How many premium cabins does United Airlines have for flights to Ontario?

    United Airlines currently offers a couple premium cabin classes on flights to Ontario: First Class and Prem Economy Class. Still not enough? Try taking a look at other airlines or choosing a new departing point for more cabin options.

  • What airlines can I book First Class flights to Ontario with?

    Delta has First Class flights to Ontario. Try booking in advance to lower your costs and travel worry-free.

  • What is the cheapest month to book a First Class flight from USA to Ontario?

    Currently, October is the cheapest month in which you can book a First Class flight from USA to Ontario (average of $147). Flying from USA to Ontario in March is currently the most expensive (average of $332). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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