Featured deal
San Francisco to San Juan
- Jan 23–29, 2027
- 6 nights
American- Business · Recliner seat
$1128 USD
View deal Round trip
Cheap Flights from San Francisco to San Juan
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Latest economy price we saw: San Francisco to San Juan
The most recent economy round-trip fare we saw on this route.
| From | Price | Per mile | Travel dates | Airline | Seen |
|---|---|---|---|---|---|
| San Francisco (SFO) to San Juan (SJU) | $402 | 5.5¢ | Dec 6 – Dec 12 | Frontier | Nov 9 |
Economy price history: San Francisco to San Juan
The lowest fares we saw each month.
| Month | Low | Typical | Sightings |
|---|---|---|---|
| Nov 2026 | $402 | $402 | 6 |
| Aug 2026 | $356 | $481 | 105 |
Every deal from San Francisco to San Juan, ranked by cost per mile.
On the board right now
- Cabin mix: 1 Business.
- Most active airlines: American.
Frequently asked questions
How many flight deals from San Francisco to San Juan are on Sparkflights right now?
There are 1 deals from San Francisco to San Juan on the board right now.
What is the cheapest flight from San Francisco to San Juan right now?
The lowest fare from San Francisco to San Juan right now is $1128 in Business.
What is the lowest price ever seen from San Francisco to San Juan?
The lowest economy fare we've recorded from San Francisco to San Juan is $356, based on 111 price observations over 2 months.
How much does a flight from San Francisco to San Juan cost?
The typical round-trip economy fare we observed from San Francisco to San Juan is $441, against a recorded low of $356. These are observations, not quotes.
When is the cheapest month to fly San Francisco to San Juan?
For economy fares from San Francisco to San Juan, August was the cheapest month we observed and November the dearest, over 2 months of data.
What is the current price from San Francisco to San Juan?
The most recent economy fare we saw from San Francisco to San Juan is $402, on Nov 9.
Which airlines fly San Francisco to San Juan?
Airlines with the most deals from San Francisco to San Juan right now are American.