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Hartford to San Juan flights in December 2026 from $185 BDL → SJU

Bradley International Airport (BDL) → Luis Munoz Marin International Airport (SJU)

For departures in December 2026, the cheapest return found recently is $185 with Frontier Airlines, 3 Dec – 7 Dec, found 6 days ago. The cheapest one-way found recently is $224 with Frontier Airlines, 25 Dec, found 2 days ago.

Return

In December 2026, the cheapest return fare on each of 4 departure dates is usually $190 to $403. Across all 8 departure dates we hold on this route, it is usually $224 to $326. Of the 2 months with enough return fares to compare, December 2026 is usually the cheapest.

Cheapest return found recently

$185

3 Dec – 7 Dec · Frontier Airlines

Bradley International Airport (BDL) → Luis Munoz Marin International Airport (SJU)

out nonstop, back nonstop

found 6 days ago

See prices for these datesCheck today's price

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

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The cheapest dates in December 2026

DatesFromAirlineStopsFound
3 Dec – 7 Dec$185Frontier Airlinesout nonstop, back nonstopfound 6 days agoSee prices for these dates
4 Dec – 7 Dec$192Frontier Airlinesout nonstop, back nonstopfound 6 days agoSee prices for these dates
11 Dec – 14 Dec$235Frontier Airlinesout nonstop, back nonstopfound 6 days agoSee prices for these dates
23 Dec – 3 Jan 2027$905jetBlueout 1 stop, back 1 stopfound 6 days agoSee prices for these dates

Every date we hold

4 departure dates

3 Dec – 7 Dec: $185, found 6 days ago4 Dec – 7 Dec: $192, found 6 days ago11 Dec – 14 Dec: $235, found 6 days ago23 Dec – 3 Jan 2027: $905, found 6 days agoDec
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
3 Dec – 7 Dec$185Frontier AirlinesBradley International Airport (BDL) → Luis Munoz Marin International Airport (SJU)out nonstop, back nonstopfound 6 days agoSee prices for these dates
4 Dec – 7 Dec$192Frontier AirlinesBradley International Airport (BDL) → Luis Munoz Marin International Airport (SJU)out nonstop, back nonstopfound 6 days agoSee prices for these dates
11 Dec – 14 Dec$235Frontier AirlinesBradley International Airport (BDL) → Luis Munoz Marin International Airport (SJU)out nonstop, back nonstopfound 6 days agoSee prices for these dates
23 Dec – 3 Jan 2027$905jetBlueBradley International Airport (BDL) → Luis Munoz Marin International Airport (SJU)out 1 stop, back 1 stopfound 6 days agoSee prices for these dates

Which month looks cheapest?

December 2026 is the cheapest month — from $185.

November 2026From $3073 departure dates29 Nov – 2 Dec · found 6 days agoSee prices for these dates
December 2026From $185Cheapest seen4 departure dates3 Dec – 7 Dec · found 6 days agoSee prices for these dates
January 2027From $2361 departure date14 Jan 2027 – 11 Feb 2027 · found 3 days agoSee prices for these datesEvery date in January 2027

One-way

In December 2026, the cheapest one-way fare on each of 11 departure dates is usually $105 to $220. Across all 19 departure dates we hold on this route, it is usually $104 to $152. Of the 2 months with enough one-way fares to compare, December 2026 is usually the most expensive.

Cheapest one-way found recently

$224

25 Dec · Frontier Airlines

Bradley International Airport (BDL) → Luis Munoz Marin International Airport (SJU)

nonstop

found 2 days ago

Open this tripCheck today's price

Cheapest we hold, of any age

$90

9 Dec · Frontier Airlines

Bradley International Airport (BDL) → Luis Munoz Marin International Airport (SJU)

nonstop

found 6 days ago

Open this tripCheck today's price

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The cheapest dates in December 2026

DatesFromAirlineStopsFound
9 Dec$90Frontier Airlinesnonstopfound 6 days agoOpen this trip
12 Dec$90Frontier Airlinesnonstopfound 6 days agoOpen this trip
13 Dec$95Frontier Airlinesnonstopfound 6 days agoOpen this trip
3 Dec$115jetBlue1 stopfound 6 days agoOpen this trip
5 Dec$115Frontier Airlinesnonstopfound 3 days agoOpen this trip

Every date we hold

11 departure dates

2 Dec: $146, found 6 days ago3 Dec: $115, found 6 days ago4 Dec: $147, found 6 days ago5 Dec: $115, found 3 days ago9 Dec: $90, found 6 days ago12 Dec: $90, found 6 days ago13 Dec: $95, found 6 days ago18 Dec: $224, found 4 days ago20 Dec: $215, found 4 days ago25 Dec: $224, found 2 days ago26 Dec: $224, found 2 days agoDec
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
2 Dec$146Frontier AirlinesBradley International Airport (BDL) → Luis Munoz Marin International Airport (SJU)nonstopfound 6 days agoOpen this trip
3 Dec$115jetBlueBradley International Airport (BDL) → Luis Munoz Marin International Airport (SJU)1 stopfound 6 days agoOpen this trip
4 Dec$147Frontier AirlinesBradley International Airport (BDL) → Luis Munoz Marin International Airport (SJU)nonstopfound 6 days agoOpen this trip
5 Dec$115Frontier AirlinesBradley International Airport (BDL) → Luis Munoz Marin International Airport (SJU)nonstopfound 3 days agoOpen this trip
9 Dec$90Frontier AirlinesBradley International Airport (BDL) → Luis Munoz Marin International Airport (SJU)nonstopfound 6 days agoOpen this trip
12 Dec$90Frontier AirlinesBradley International Airport (BDL) → Luis Munoz Marin International Airport (SJU)nonstopfound 6 days agoOpen this trip
13 Dec$95Frontier AirlinesBradley International Airport (BDL) → Luis Munoz Marin International Airport (SJU)nonstopfound 6 days agoOpen this trip
18 Dec$224Frontier AirlinesBradley International Airport (BDL) → Luis Munoz Marin International Airport (SJU)nonstopfound 4 days agoOpen this trip
20 Dec$215jetBlueBradley International Airport (BDL) → Luis Munoz Marin International Airport (SJU)1 stopfound 4 days agoOpen this trip
25 Dec$224Frontier AirlinesBradley International Airport (BDL) → Luis Munoz Marin International Airport (SJU)nonstopfound 2 days agoOpen this trip
26 Dec$224Frontier AirlinesBradley International Airport (BDL) → Luis Munoz Marin International Airport (SJU)nonstopfound 2 days agoOpen this trip

Which month looks cheapest?

December 2026 is the cheapest month — from $90.

November 2026From $1441 departure date13 Nov · found 7 days agoOpen this trip
December 2026From $90Cheapest seen11 departure dates9 Dec · found 6 days agoOpen this trip
January 2027From $917 departure dates12 Jan 2027 · found 2 days agoOpen this tripEvery date in January 2027

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