Compare and book Southwest flights to Ontario on momondo

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Recent Southwest flights to Ontario found by users

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5:15 am - 12:00 pmSEA-ONT

6h 45m1 stop

3:55 pm - 8:40 pmONT-SEA

4h 45m1 stop

$151Southwest

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to, joulu 4 - ma, joulu 8

8:10 am - 3:20 pmSEA-ONT

7h 10m2 stops

3:35 pm - 8:00 pmONT-SEA

4h 25m1 stop

$156Southwest

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ke, joulu 3 - la, joulu 6

5:10 am - 9:15 amSFO-ONT

4h 05m1 stop

12:35 pm - 9:15 pmONT-SFO

8h 40m2 stops

$156Southwest

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ke, joulu 3 - ke, joulu 10

1:10 pm - 2:30 pmDEN-ONT

2h 20mnonstop

11:15 am - 2:25 pmONT-DEN

2h 10mnonstop

$157Southwest

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ti, joulu 16 - ke, joulu 17

8:15 am - 9:40 amDEN-ONT

2h 25mnonstop

2:15 pm - 5:25 pmONT-DEN

2h 10mnonstop

$164Southwest

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ke, joulu 17 - to, joulu 18

8:45 pm - 10:05 pmDEN-ONT

2h 20mnonstop

3:10 pm - 10:40 pmONT-DEN

6h 30m1 stop

$167Southwest

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ti, joulu 16 - ke, joulu 17

8:45 pm - 10:05 pmDEN-ONT

2h 20mnonstop

4:15 pm - 7:25 pmONT-DEN

2h 10mnonstop

$177Southwest

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ti, joulu 9 - su, joulu 14

5:20 pm - 8:55 pmDEN-ONT

4h 35m1 stop

6:40 am - 2:10 pmONT-DEN

6h 30m2 stops

$182Southwest

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ti, joulu 16 - ke, joulu 17

1:45 pm - 3:05 pmDEN-ONT

2h 20mnonstop

4:15 pm - 7:25 pmONT-DEN

2h 10mnonstop

$197Southwest

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su, joulu 14 - su, joulu 14

9:25 am - 2:15 pmSEA-ONT

4h 50m1 stop

10:35 am - 9:30 pmONT-SEA

10h 55m1 stop

$219Southwest

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ke, joulu 3 - su, joulu 7

Southwest flights to Ontario at a glance

Fastest flight time	2h 20m
Direct flights	Every day
Airports in Ontario	1 airport

The fastest flight from United States to Ontario takes 2h 20m

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Direct flights go from United States to Ontario every day.

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There is 1 airport near Ontario: Ontario (ONT)

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Insights on Southwest flights to Ontario

Data designed to help you find the right flight

What is the cheapest day to depart on your Economy Class flight to Ontario?

The cheapest day to depart from United States to Ontario is on a Tuesday when prices can be found for as low as $74. Be sure to avoid booking your departure on a Friday as prices are generally higher than usual. According to our data, the average Economy Class ticket price to Ontario on a Friday is $174.

What is the cheapest month to fly Economy Class to Ontario?

In general, April is the cheapest month to fly Economy Class from United States to Ontario. Due to it being the ‘off-season’ during this time, you can expect Economy Class flight prices to be around $97. If you aren’t able to travel during the month of April, then book Economy Class flights to Ontario from United States during August instead. Economy Class flights to Ontario in August, while not as cheap as those in April, still average around $103.

How far in advance should I book a flight to Ontario?

You are more likely to see cheaper flights to Ontario from United States when booking weeks ahead of your departure date. In general, you can expect to find flights to Ontario for around $249 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ontario from United States for as low as $130 on momondo.

Can stopping save me money on United States to Ontario flights?

No. A direct flight is the cheapest option for a flight between United States to Ontario.

Frequently asked questions about flights to Ontario with Southwest

Is Southwest generally cheaper than other airlines for flights to Ontario?

Lots of factors influence the price of a flight, whether that's with Southwest or other airlines so it is best to search and compare before booking. The airline flying to Ontario with the cheapest average return price tends to be Frontier.

Which other airlines fly to Ontario?

Aside from Southwest, Frontier, JetBlue and Delta also fly to Ontario.

How much is a flight to Ontario with Southwest?

The average price for a one-way flight is $237.

Which airport do Southwest flights arrive at for Ontario?

Flights from Southwest on this route tend to land in Ontario Airport.

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Southwest flights to Ontario at a glance

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Airports in Ontario

Insights on Southwest flights to Ontario

Data designed to help you find the right flight

What is the cheapest day to depart on your Economy Class flight to Ontario?

What is the cheapest month to fly Economy Class to Ontario?

How far in advance should I book a flight to Ontario?

Can stopping save me money on United States to Ontario flights?

No. A direct flight is the cheapest option for a flight between United States to Ontario.

Frequently asked questions about flights to Ontario with Southwest

Is Southwest generally cheaper than other airlines for flights to Ontario?

Which other airlines fly to Ontario?

How much is a flight to Ontario with Southwest?

Which airport do Southwest flights arrive at for Ontario?

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