Skip to content
FareTell

New York to San Juan flights in December 2026 from $114 EWR, JFK, LGA → SJU

Newark Liberty International Airport (EWR), John F. Kennedy International Airport (JFK), LaGuardia Airport (LGA) → Luis Munoz Marin International Airport (SJU)

For departures in December 2026, the cheapest return found recently is $209 with United Airlines, 12 Dec – 19 Dec, found yesterday. The cheapest one-way found recently is $114 with United Airlines, 29 Dec, found 7 days ago.

Return

In December 2026, the cheapest return fare on each of 17 departure dates is usually $286 to $509. Across all 39 departure dates we hold on this route, it is usually $282 to $449. Of the 4 months with enough return fares to compare, 1 is usually cheaper than December 2026.

Cheapest return found recently

$209

12 Dec – 19 Dec · United Airlines

Newark Liberty International Airport (EWR) → Luis Munoz Marin International Airport (SJU)

out nonstop, back nonstop

found yesterday

See prices for these datesCheck today's price

Cheapest we hold, of any age

$195

8 Dec – 15 Dec · jetBlue

John F. Kennedy International Airport (JFK) → Luis Munoz Marin International Airport (SJU)

out 1 stop, back 1 stop

found 5 days ago

See prices for these datesCheck today's price

FareTell may earn a commission when you book through a partner.

The cheapest dates in December 2026

DatesFromAirlineStopsFound
8 Dec – 15 Dec$195jetBlueout 1 stop, back 1 stopfound 5 days agoSee prices for these dates
12 Dec – 19 Dec$209United Airlinesout nonstop, back nonstopfound yesterdaySee prices for these dates
10 Dec – 17 Dec$225Frontier Airlinesout nonstop, back nonstopfound 7 days agoSee prices for these dates
4 Dec – 9 Dec$275jetBlueout 1 stop, back nonstopfound 8 days agoSee prices for these dates
3 Dec – 9 Dec$286Frontier Airlinesout 1 stop, back 1 stopfound 8 days agoSee prices for these dates

Every date we hold

17 departure dates

3 Dec – 9 Dec: $286, found 8 days ago4 Dec – 9 Dec: $275, found 8 days ago8 Dec – 15 Dec: $195, found 5 days ago10 Dec – 17 Dec: $225, found 7 days ago11 Dec – 20 Dec: $316, found 2 days ago12 Dec – 19 Dec: $209, found yesterday14 Dec – 21 Dec: $292, found 5 days ago18 Dec – 21 Dec: $338, found 6 days ago19 Dec – 27 Dec: $453, found yesterday21 Dec – 4 Jan 2027: $584, found 6 days ago22 Dec – 4 Jan 2027: $509, found 4 days ago23 Dec – 8 Jan 2027: $483, found 4 days ago25 Dec – 10 Jan 2027: $509, found 4 days ago26 Dec – 31 Dec: $662, found 8 days ago27 Dec – 3 Jan 2027: $687, found 5 days ago29 Dec – 9 Jan 2027: $387, found 6 days ago30 Dec – 7 Jan 2027: $311, found 7 days agoDec
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
3 Dec – 9 Dec$286Frontier AirlinesLaGuardia Airport (LGA) → Luis Munoz Marin International Airport (SJU)out 1 stop, back 1 stopfound 8 days agoSee prices for these dates
4 Dec – 9 Dec$275jetBlueLaGuardia Airport (LGA) → Luis Munoz Marin International Airport (SJU)out 1 stop, back nonstopfound 8 days agoSee prices for these dates
8 Dec – 15 Dec$195jetBlueJohn F. Kennedy International Airport (JFK) → Luis Munoz Marin International Airport (SJU)out 1 stop, back 1 stopfound 5 days agoSee prices for these dates
10 Dec – 17 Dec$225Frontier AirlinesNewark Liberty International Airport (EWR) → Luis Munoz Marin International Airport (SJU)out nonstop, back nonstopfound 7 days agoSee prices for these dates
11 Dec – 20 Dec$316Frontier AirlinesNewark Liberty International Airport (EWR) → Luis Munoz Marin International Airport (SJU)out 2 stops, back nonstopfound 2 days agoSee prices for these dates
12 Dec – 19 Dec$209United AirlinesNewark Liberty International Airport (EWR) → Luis Munoz Marin International Airport (SJU)out nonstop, back nonstopfound yesterdaySee prices for these dates
14 Dec – 21 Dec$292jetBlueJohn F. Kennedy International Airport (JFK) → Luis Munoz Marin International Airport (SJU)out 1 stop, back 1 stopfound 5 days agoSee prices for these dates
18 Dec – 21 Dec$338Frontier AirlinesJohn F. Kennedy International Airport (JFK) → Luis Munoz Marin International Airport (SJU)out 1 stop, back nonstopfound 6 days agoSee prices for these dates
19 Dec – 27 Dec$453jetBlueJohn F. Kennedy International Airport (JFK) → Luis Munoz Marin International Airport (SJU)out 1 stop, back nonstopfound yesterdaySee prices for these dates
21 Dec – 4 Jan 2027$584jetBlueJohn F. Kennedy International Airport (JFK) → Luis Munoz Marin International Airport (SJU)out 1 stop, back 1 stopfound 6 days agoSee prices for these dates
22 Dec – 4 Jan 2027$509jetBlueJohn F. Kennedy International Airport (JFK) → Luis Munoz Marin International Airport (SJU)out nonstop, back nonstopfound 4 days agoSee prices for these dates
23 Dec – 8 Jan 2027$483jetBlueJohn F. Kennedy International Airport (JFK) → Luis Munoz Marin International Airport (SJU)out nonstop, back nonstopfound 4 days agoSee prices for these dates
25 Dec – 10 Jan 2027$509jetBlueJohn F. Kennedy International Airport (JFK) → Luis Munoz Marin International Airport (SJU)out nonstop, back nonstopfound 4 days agoSee prices for these dates
26 Dec – 31 Dec$662United AirlinesJohn F. Kennedy International Airport (JFK) → Luis Munoz Marin International Airport (SJU)out nonstop, back nonstopfound 8 days agoSee prices for these dates
27 Dec – 3 Jan 2027$687jetBlueJohn F. Kennedy International Airport (JFK) → Luis Munoz Marin International Airport (SJU)out nonstop, back nonstopfound 5 days agoSee prices for these dates
29 Dec – 9 Jan 2027$387jetBlueJohn F. Kennedy International Airport (JFK) → Luis Munoz Marin International Airport (SJU)out nonstop, back nonstopfound 6 days agoSee prices for these dates
30 Dec – 7 Jan 2027$311jetBlueNewark Liberty International Airport (EWR) → Luis Munoz Marin International Airport (SJU)out nonstop, back 1 stopfound 7 days agoSee prices for these dates

Which month looks cheapest?

December 2026 is the cheapest month — from $195.

November 2026From $2527 departure dates17 Nov – 17 Dec · found 7 days agoSee prices for these datesEvery date in November 2026
December 2026From $195Cheapest seen17 departure dates8 Dec – 15 Dec · found 5 days agoSee prices for these dates
January 2027From $2057 departure dates13 Jan 2027 – 21 Jan 2027 · found 6 days agoSee prices for these datesEvery date in January 2027
February 2027From $3475 departure dates8 Feb 2027 – 13 Feb 2027 · found 4 days agoSee prices for these dates
March 2027From $4421 departure date11 Mar 2027 – 14 Mar 2027 · found 2 days agoSee prices for these dates
June 2027From $4441 departure date11 Jun 2027 – 19 Jun 2027 · found 5 days agoSee prices for these dates
August 2027From $4581 departure date27 Aug 2027 – 5 Sept 2027 · found 2 days agoSee prices for these dates

One-way

We hold one-way fares on only 1 departure date in December 2026, too few to say what one usually costs.

Cheapest one-way found recently

$114

29 Dec · United Airlines

Newark Liberty International Airport (EWR) → Luis Munoz Marin International Airport (SJU)

nonstop

found 7 days ago

Open this tripCheck today's price

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

FareTell may earn a commission when you book through a partner.

The cheapest dates in December 2026

DatesFromAirlineStopsFound
29 Dec$114United Airlinesnonstopfound 7 days agoOpen this trip

Every date we hold

1 departure date

See every date as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
29 Dec$114United AirlinesNewark Liberty International Airport (EWR) → Luis Munoz Marin International Airport (SJU)nonstopfound 7 days agoOpen this trip

Which month looks cheapest?

January 2027 is the cheapest month — from $100.

November 2026From $1631 departure date17 Nov · found 7 days agoOpen this tripEvery date in November 2026
December 2026From $1141 departure date29 Dec · found 7 days agoOpen this trip
January 2027From $100Cheapest seen2 departure dates5 Jan 2027 · found 3 days agoOpen this tripEvery date in January 2027
March 2027From $2361 departure date13 Mar 2027 · found 3 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