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San Jose to Cancun in December 2026 SJC → CUN

Norman Y. Mineta San Jose International Airport (SJC) → Cancun International Airport (CUN)

For departures in December 2026, the cheapest return found recently is $441 with Frontier Airlines, 3 Dec – 8 Dec, found yesterday. The cheapest one-way found recently is $242 with Frontier Airlines, 4 Dec, found yesterday.

Return

In December 2026, the cheapest return fare on each of 8 departure dates is usually $486 to $536. Across all 12 departure dates we hold on this route, it is usually $499 to $635.

Cheapest return found recently

$441

3 Dec – 8 Dec · Frontier Airlines

Norman Y. Mineta San Jose International Airport (SJC) → Cancun International Airport (CUN)

out 3 stops, back 1 stop

found yesterday

See prices for these datesCheck today's price

It is also the cheapest return we hold, of any age.

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

The cheapest dates in December 2026

DatesFromAirlineStopsFound
3 Dec – 8 Dec$441Frontier Airlinesout 3 stops, back 1 stopfound yesterdaySee prices for these dates
4 Dec – 9 Dec$469Frontier Airlinesout 2 stops, back 1 stopfound yesterdaySee prices for these dates
1 Dec – 5 Dec$491Southwest Airlinesout 1 stop, back 1 stopfound yesterdaySee prices for these dates
2 Dec – 9 Dec$502Southwest Airlinesout 2 stops, back 1 stopfound yesterdaySee prices for these dates
6 Dec – 8 Dec$509Southwest Airlinesout 1 stop, back 1 stopfound yesterdaySee prices for these dates

Every date we hold

8 departure dates

1 Dec – 5 Dec: $491, found yesterday2 Dec – 9 Dec: $502, found yesterday3 Dec – 8 Dec: $441, found yesterday4 Dec – 9 Dec: $469, found yesterday6 Dec – 8 Dec: $509, found yesterday8 Dec – 9 Dec: $509, found yesterday24 Dec – 12 Jan 2027: $690, found 2 days ago25 Dec – 9 Jan 2027: $617, found 4 days agoDec
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
1 Dec – 5 Dec$491Southwest AirlinesNorman Y. Mineta San Jose International Airport (SJC) → Cancun International Airport (CUN)out 1 stop, back 1 stopfound yesterdaySee prices for these dates
2 Dec – 9 Dec$502Southwest AirlinesNorman Y. Mineta San Jose International Airport (SJC) → Cancun International Airport (CUN)out 2 stops, back 1 stopfound yesterdaySee prices for these dates
3 Dec – 8 Dec$441Frontier AirlinesNorman Y. Mineta San Jose International Airport (SJC) → Cancun International Airport (CUN)out 3 stops, back 1 stopfound yesterdaySee prices for these dates
4 Dec – 9 Dec$469Frontier AirlinesNorman Y. Mineta San Jose International Airport (SJC) → Cancun International Airport (CUN)out 2 stops, back 1 stopfound yesterdaySee prices for these dates
6 Dec – 8 Dec$509Southwest AirlinesNorman Y. Mineta San Jose International Airport (SJC) → Cancun International Airport (CUN)out 1 stop, back 1 stopfound yesterdaySee prices for these dates
8 Dec – 9 Dec$509Southwest AirlinesNorman Y. Mineta San Jose International Airport (SJC) → Cancun International Airport (CUN)out 1 stop, back 1 stopfound yesterdaySee prices for these dates
24 Dec – 12 Jan 2027$690American AirlinesNorman Y. Mineta San Jose International Airport (SJC) → Cancun International Airport (CUN)out 1 stop, back 1 stopfound 2 days agoSee prices for these dates
25 Dec – 9 Jan 2027$617Southwest AirlinesNorman Y. Mineta San Jose International Airport (SJC) → Cancun International Airport (CUN)out 2 stops, back 1 stopfound 4 days agoSee prices for these dates

Which month looks cheapest?

December 2026 is the cheapest month — from $441.

October 2026From $8901 departure date28 Oct – 29 Nov · found 6 days agoSee prices for these dates
November 2026From $5061 departure date30 Nov – 5 Dec · found yesterdaySee prices for these dates
December 2026From $441Cheapest seen8 departure dates3 Dec – 8 Dec · found yesterdaySee prices for these dates
January 2027From $6102 departure dates4 Jan 2027 – 9 Jan 2027 · found 5 days agoSee prices for these dates

One-way

In December 2026, the cheapest one-way fare on each of 4 departure dates is usually $244 to $278. Across all 5 departure dates we hold on this route, it is usually $245 to $288.

Cheapest one-way found recently

$242

4 Dec · Frontier Airlines

Norman Y. Mineta San Jose International Airport (SJC) → Cancun International Airport (CUN)

2 stops

found yesterday

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
4 Dec$242Frontier Airlines2 stopsfound yesterdayOpen this trip
3 Dec$245Frontier Airlines3 stopsfound yesterdayOpen this trip
6 Dec$275Alaska Airlines1 stopfound yesterdayOpen this trip
5 Dec$288Alaska Airlines2 stopsfound yesterdayOpen this trip

Every date we hold

4 departure dates

3 Dec: $245, found yesterday4 Dec: $242, found yesterday5 Dec: $288, found yesterday6 Dec: $275, found yesterdayDec
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
3 Dec$245Frontier AirlinesNorman Y. Mineta San Jose International Airport (SJC) → Cancun International Airport (CUN)3 stopsfound yesterdayOpen this trip
4 Dec$242Frontier AirlinesNorman Y. Mineta San Jose International Airport (SJC) → Cancun International Airport (CUN)2 stopsfound yesterdayOpen this trip
5 Dec$288Alaska AirlinesNorman Y. Mineta San Jose International Airport (SJC) → Cancun International Airport (CUN)2 stopsfound yesterdayOpen this trip
6 Dec$275Alaska AirlinesNorman Y. Mineta San Jose International Airport (SJC) → Cancun International Airport (CUN)1 stopfound yesterdayOpen this trip

Which month looks cheapest?

December 2026 is the cheapest month — from $242.

December 2026From $242Cheapest seen4 departure dates4 Dec · found yesterdayOpen this trip
January 2027From $3031 departure date10 Jan 2027 · found yesterdayOpen 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