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Ontario to New York flights in January 2027 from $172 ONT → EWR, JFK, LGA

Ontario International Airport (ONT) → Newark Liberty International Airport (EWR), John F. Kennedy International Airport (JFK), LaGuardia Airport (LGA)

For departures in January 2027, the cheapest return found recently is $351 with Alaska Airlines, 25 Jan 2027 – 31 Jan 2027, found 4 days ago. The cheapest one-way found recently is $172 with Southwest Airlines, 16 Jan 2027, found 3 days ago.

Return

In January 2027, the cheapest return fare on each of 10 departure dates is usually $351 to $367. Across all 47 departure dates we hold on this route, it is usually $367 to $528. Of the 5 months with enough return fares to compare, January 2027 is usually the cheapest.

Cheapest return found recently

$351

25 Jan 2027 – 31 Jan 2027 · Alaska Airlines

Ontario International Airport (ONT) → John F. Kennedy International Airport (JFK)

out 1 stop, back nonstop

found 4 days ago

See prices for these datesCheck today's price

Cheapest we hold, of any age

$328

7 Jan 2027 – 11 Jan 2027 · Alaska Airlines

Ontario International Airport (ONT) → John F. Kennedy International Airport (JFK)

out 1 stop, back 1 stop

found 7 days ago

See prices for these datesCheck today's price

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The cheapest dates in January 2027

DatesFromAirlineStopsFound
7 Jan 2027 – 11 Jan 2027$328Alaska Airlinesout 1 stop, back 1 stopfound 7 days agoSee prices for these dates
14 Jan 2027 – 1 Feb 2027$333Southwest Airlinesout 1 stop, back 1 stopfound 8 days agoSee prices for these dates
25 Jan 2027 – 31 Jan 2027$351Alaska Airlinesout 1 stop, back nonstopfound 4 days agoSee prices for these dates
9 Jan 2027 – 12 Jan 2027$352Alaska Airlinesout 1 stop, back 1 stopfound 5 days agoSee prices for these dates
6 Jan 2027 – 11 Jan 2027$356Alaska Airlinesout 1 stop, back 1 stopfound 6 days agoSee prices for these dates

Every date we hold

10 departure dates

2 Jan 2027 – 5 Jan 2027: $551, found 5 days ago4 Jan 2027 – 7 Jan 2027: $367, found 5 days ago5 Jan 2027 – 8 Jan 2027: $382, found 5 days ago6 Jan 2027 – 11 Jan 2027: $356, found 6 days ago7 Jan 2027 – 11 Jan 2027: $328, found 7 days ago9 Jan 2027 – 12 Jan 2027: $352, found 5 days ago10 Jan 2027 – 13 Jan 2027: $357, found 5 days ago11 Jan 2027 – 14 Jan 2027: $367, found 5 days ago14 Jan 2027 – 1 Feb 2027: $333, found 8 days ago25 Jan 2027 – 31 Jan 2027: $351, found 4 days agoJan
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
2 Jan 2027 – 5 Jan 2027$551United AirlinesOntario International Airport (ONT) → Newark Liberty International Airport (EWR)out 1 stop, back 1 stopfound 5 days agoSee prices for these dates
4 Jan 2027 – 7 Jan 2027$367Alaska AirlinesOntario International Airport (ONT) → John F. Kennedy International Airport (JFK)out 1 stop, back 1 stopfound 5 days agoSee prices for these dates
5 Jan 2027 – 8 Jan 2027$382Alaska AirlinesOntario International Airport (ONT) → John F. Kennedy International Airport (JFK)out 1 stop, back 1 stopfound 5 days agoSee prices for these dates
6 Jan 2027 – 11 Jan 2027$356Alaska AirlinesOntario International Airport (ONT) → John F. Kennedy International Airport (JFK)out 1 stop, back 1 stopfound 6 days agoSee prices for these dates
7 Jan 2027 – 11 Jan 2027$328Alaska AirlinesOntario International Airport (ONT) → John F. Kennedy International Airport (JFK)out 1 stop, back 1 stopfound 7 days agoSee prices for these dates
9 Jan 2027 – 12 Jan 2027$352Alaska AirlinesOntario International Airport (ONT) → John F. Kennedy International Airport (JFK)out 1 stop, back 1 stopfound 5 days agoSee prices for these dates
10 Jan 2027 – 13 Jan 2027$357Alaska AirlinesOntario International Airport (ONT) → John F. Kennedy International Airport (JFK)out 1 stop, back 1 stopfound 5 days agoSee prices for these dates
11 Jan 2027 – 14 Jan 2027$367Alaska AirlinesOntario International Airport (ONT) → John F. Kennedy International Airport (JFK)out 1 stop, back 1 stopfound 5 days agoSee prices for these dates
14 Jan 2027 – 1 Feb 2027$333Southwest AirlinesOntario International Airport (ONT) → LaGuardia Airport (LGA)out 1 stop, back 1 stopfound 8 days agoSee prices for these dates
25 Jan 2027 – 31 Jan 2027$351Alaska AirlinesOntario International Airport (ONT) → John F. Kennedy International Airport (JFK)out 1 stop, back nonstopfound 4 days agoSee prices for these dates

Which month looks cheapest?

December 2026 is the cheapest month — from $327.

November 2026From $3947 departure dates26 Nov – 6 Dec · found 8 days agoSee prices for these datesEvery date in November 2026
December 2026From $327Cheapest seen20 departure dates6 Dec – 9 Dec · found 7 days agoSee prices for these datesEvery date in December 2026
January 2027From $32810 departure dates7 Jan 2027 – 11 Jan 2027 · found 7 days agoSee prices for these dates
February 2027From $3553 departure dates1 Feb 2027 – 4 Feb 2027 · found 2 days agoSee prices for these dates
March 2027From $5144 departure dates20 Mar 2027 – 23 Mar 2027 · found 6 days agoSee prices for these dates
April 2027From $5171 departure date8 Apr 2027 – 10 Apr 2027 · found 5 days agoSee prices for these dates
June 2027From $5411 departure date6 Jun 2027 – 11 Jun 2027 · found 6 days agoSee prices for these dates
August 2027From $5321 departure date8 Aug 2027 – 15 Aug 2027 · found 7 days agoSee prices for these dates

One-way

In January 2027, the cheapest one-way fare on each of 12 departure dates is usually $176 to $183. Across all 33 departure dates we hold on this route, it is usually $179 to $243. Of the 4 months with enough one-way fares to compare, January 2027 is usually the cheapest.

Cheapest one-way found recently

$172

16 Jan 2027 · Southwest Airlines

Ontario International Airport (ONT) → LaGuardia Airport (LGA)

1 stop

found 3 days ago

Open this tripCheck today's price

It is also the cheapest one-way we hold, of any age.

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The cheapest dates in January 2027

DatesFromAirlineStopsFound
16 Jan 2027$172Southwest Airlines1 stopfound 3 days agoOpen this trip
26 Jan 2027$172Southwest Airlines1 stopfound 3 days agoOpen this trip
12 Jan 2027$174Southwest Airlines1 stopfound 6 days agoOpen this trip
9 Jan 2027$177Southwest Airlines1 stopfound 6 days agoOpen this trip
6 Jan 2027$178Alaska Airlines1 stopfound 3 days agoOpen this trip

Every date we hold

12 departure dates

6 Jan 2027: $178, found 3 days ago9 Jan 2027: $177, found 6 days ago10 Jan 2027: $185, found 6 days ago12 Jan 2027: $174, found 6 days ago13 Jan 2027: $183, found 6 days ago16 Jan 2027: $172, found 3 days ago17 Jan 2027: $179, found 3 days ago21 Jan 2027: $184, found 6 days ago24 Jan 2027: $182, found 4 days ago25 Jan 2027: $178, found 7 days ago26 Jan 2027: $172, found 3 days ago29 Jan 2027: $184, found 6 days agoJan
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
6 Jan 2027$178Alaska AirlinesOntario International Airport (ONT) → John F. Kennedy International Airport (JFK)1 stopfound 3 days agoOpen this trip
9 Jan 2027$177Southwest AirlinesOntario International Airport (ONT) → LaGuardia Airport (LGA)1 stopfound 6 days agoOpen this trip
10 Jan 2027$185Alaska AirlinesOntario International Airport (ONT) → John F. Kennedy International Airport (JFK)1 stopfound 6 days agoOpen this trip
12 Jan 2027$174Southwest AirlinesOntario International Airport (ONT) → LaGuardia Airport (LGA)1 stopfound 6 days agoOpen this trip
13 Jan 2027$183Alaska AirlinesOntario International Airport (ONT) → John F. Kennedy International Airport (JFK)1 stopfound 6 days agoOpen this trip
16 Jan 2027$172Southwest AirlinesOntario International Airport (ONT) → LaGuardia Airport (LGA)1 stopfound 3 days agoOpen this trip
17 Jan 2027$179American AirlinesOntario International Airport (ONT) → LaGuardia Airport (LGA)1 stopfound 3 days agoOpen this trip
21 Jan 2027$184Alaska AirlinesOntario International Airport (ONT) → John F. Kennedy International Airport (JFK)1 stopfound 6 days agoOpen this trip
24 Jan 2027$182Alaska AirlinesOntario International Airport (ONT) → John F. Kennedy International Airport (JFK)1 stopfound 4 days agoOpen this trip
25 Jan 2027$178Alaska AirlinesOntario International Airport (ONT) → John F. Kennedy International Airport (JFK)1 stopfound 7 days agoOpen this trip
26 Jan 2027$172Southwest AirlinesOntario International Airport (ONT) → LaGuardia Airport (LGA)1 stopfound 3 days agoOpen this trip
29 Jan 2027$184Alaska AirlinesOntario International Airport (ONT) → John F. Kennedy International Airport (JFK)1 stopfound 6 days agoOpen this trip

Which month looks cheapest?

February 2027 is the cheapest month — from $117.

November 2026From $2071 departure date13 Nov · found 7 days agoOpen this tripEvery date in November 2026
December 2026From $1732 departure dates21 Dec · found 4 days agoOpen this tripEvery date in December 2026
January 2027From $17212 departure dates16 Jan 2027 · found 3 days agoOpen this trip
February 2027From $117Cheapest seen2 departure dates1 Feb 2027 · found 6 days agoOpen this trip
March 2027From $1975 departure dates10 Mar 2027 · found 4 days agoOpen this trip
May 2027From $2066 departure dates5 May 2027 · found 6 days agoOpen this trip
June 2027From $3041 departure date6 Jun 2027 · found 4 days agoOpen this trip
July 2027From $2323 departure dates20 Jul 2027 · found 2 days agoOpen this trip
August 2027From $2961 departure date1 Aug 2027 · found 6 days agoOpen this trip

Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work