Skip to main content
Beginning of main content

LGA (New York) to ONT (Ontario) Flights $343.6

Search over 321,000 hotels worldwide and 400 airlines worldwide.
Secure incredible value with Expedia's Price Guarantee.
No Expedia cancellation fee to change or cancel almost any hotel reservation.

Here are your best fares found in the past 7 days

The lowest fare found for this route is $353.11 on Wed, Aug 30 from LGA to ONT
Flights Fare Calendar Find minimum fare between origin LGA and destination ONT Click this button to get previous 30 days data Click this button to get next 30 days data $1502 $1287 $1073 $858 $643 $429 $214 $0 Jun Jul 25 26 27 28 29 30 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 1 2 3 4 5 6 7 8 9 10 11 12 S M T W T F S S M T W T F S S M T W T F S S M T W T F S S M T W T F S S M T W T F S S M T W T F S S M T W T F S S M T W T F S S M T W T F S S M T W T F S S M T W T F S S M T W T F S S M T W T F S S M T W T F S S M T W T Price is $ 1287.8 on Alaska Airlines Price is $ 1035.8 on Alaska Airlines Price is $ 807.7 on United Price is $ 731.6 on United Price is $ 706.36 on United Price is $ 690.6 on United Price is $ 630.6 on United Price is $ 625.95 on American Airlines Price is $ 625.6 on United Price is $ 615.6 on American Airlines Price is $ 615.6 on American Airlines Price is $ 609.8 on Alaska Airlines Price is $ 607.7 on United Price is $ 606.6 on American Airlines Price is $ 573.7 on United Price is $ 566.6 on American Airlines Price is $ 565.6 on American Airlines Price is $ 556.7 on United Price is $ 551.26 on United Price is $ 543.6 on United Price is $ 541.29 on American Airlines Price is $ 539.21 on American Airlines Price is $ 538.2 on Delta Price is $ 537.26 on United Price is $ 536.12 on American Airlines Price is $ 528.05 on United Price is $ 525.7 on American Airlines Price is $ 520.7 on United Price is $ 520.09 on Delta Price is $ 512.8 on United Price is $ 512.8 on United Price is $ 508.87 on American Airlines Price is $ 506.7 on United Price is $ 503.7 on American Airlines Price is $ 502.8 on United Price is $ 497.89 on United Price is $ 495.8 on United Price is $ 493.4 on United Price is $ 492.39 on United Price is $ 487.6 on United Price is $ 484.28 on American Airlines Price is $ 473.61 on Delta Price is $ 472.8 on American Airlines Price is $ 471.13 on Delta Price is $ 466.02 on American Airlines Price is $ 464.8 on United Price is $ 463.58 on Delta Price is $ 462.6 on United Price is $ 459.8 on United Price is $ 457.7 on United Price is $ 447.43 on Delta Price is $ 440.8 on United Price is $ 438.7 on United Price is $ 436.88 on United Price is $ 434.19 on United Price is $ 433.8 on United Price is $ 427.8 on United Price is $ 426.11 on United Price is $ 423.14 on American Airlines Price is $ 415.7 on United Price is $ 401.7 on United Price is $ 396.96 on American Airlines Price is $ 391.85 on American Airlines Price is $ 389.8 on American Airlines Price is $ 385.6 on United Price is $ 377.66 on American Airlines Price is $ 375.64 on United Price is $ 364.6 on American Airlines Price is $ 355.7 on American Airlines Price is $ 353.11 on American Airlines

Cheap LGA to ONT Flights

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

Orange County

$267.50

Long Beach

$352.80

Interesting Facts About Flights from New York to Ontario (LGA to ONT)

Question : Do prices fluctuate more for this route than others?
Answer : Prices for this trip tend to fluctuate more than other flights in the United States. They can vary from $356 to $1,312. Remember, you can save by booking further in advance.

Question : Who's offering the cheapest round-trip flight to Ontario International Airport (ONT) over the coming months?
Answer : American Airlines is your best bet for finding that coveted low fare. They're offering fares as low as $356, while prices for other flights are as high as $1,312.

Question : Can you cut down on flight costs by changing the day of the week you travel to Ontario?
Answer : The best day to fly on a budget this month is Wednesday. Flexibility is paramount when booking travel plans in order to keep travel costs down.

Question : How many days should you spend in Ontario?
Answer : Over the next two months, passengers from LGA to ONT are planning on staying for 10 days on average.

Question : Interested in traveling in the next 30 days and want to get the lowest fare?
Answer : Jun 20th has seen bookings (as of Jun 19th) as cheap as $417. That comes in 28% below the average price for this route. Saving now means you'll have more money to spend on your trip.