ONT to LGA from $179 in economy

AAAmerican Airlines

WNSouthwest Airlines

Round Trip•Economy

ONT

Ontario International Airport

Ontario, United States

LGA

LaGuardia Airport

New York City, United States

$373 USD

-52%$179 USD

Verified about 8 hours ago

December 2026

Today

Mon

Tue

Wed

Thu

Fri

Sat

Sun

30$429 1$237 2$179 3$237 4$268 5$273 6$293 7$236 8$184 9$191 10$242 11$273 12$357 13$377 14$362 15$268 16$268 17$462 18$488 19$503 20$382 21$418 22$357 23$362 24$357 25$357 26$503 27$548 28$517 29$423 30$423 31$428 1$443 2$518 3$513

Rare Availability

5% of dates checked are available within 10% of the lowest price

Monday, December 21st, 2026

10 round-trip options

Returning

Sat, Dec 26, 2026•5 Day Trip

$562 USD

Google Flights

Returning

Sun, Dec 27, 2026•6 Day Trip

$562 USD

Google Flights

Returning

Mon, Dec 28, 2026•7 Day Trip

$518 USD

Google Flights

Returning

Tue, Dec 29, 2026•8 Day Trip

$439 USD

Google Flights

Returning

Wed, Dec 30, 2026•9 Day Trip

$443 USD

Google Flights

Returning

Thu, Dec 31, 2026•10 Day Trip

$418 USD

Google Flights

Returning

Fri, Jan 1, 2027•11 Day Trip

$443 USD

Google Flights

Returning

Sat, Jan 2, 2027•12 Day Trip

$493 USD

Google Flights

Returning

Sun, Jan 3, 2027•13 Day Trip

$543 USD

Google Flights

Returning

Mon, Jan 4, 2027•14 Day Trip

$448 USD

Google Flights

Ontario (ONT) to New York City (LGA) flight deal in economy from $179

Ontario International Airport

LaGuardia Airport

December 2026

Monday, December 21st, 2026