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Miami to San Juan flights
The cheapest Miami to San Juan fare we found recently is $40 on Thu, 29 Oct with Frontier Airlines (non-stop). The route covers 1,681 km and has direct flights.
Cheapest$40Thu, 29 Oct
Typical fare$73Next 2 months
Flight time2h 41m1,681 km
DirectYesfrom $40
Cheapest month to fly
Lowest fare per month · tap to search
Cheapest upcoming dates
Recent real fares per adult, economy
| Date | Airline | Stops | Duration | Fare | Action |
|---|---|---|---|---|---|
| Thu, 29 Oct 20:55 |  Frontier Airlines | Non-stop | 2h 44m | $40 | Compare |
| Mon, 26 Oct 23:29 | Frontier Airlines | Non-stop | 2h 40m | $56 | Compare |
| Mon, 9 Nov 08:57 | Frontier Airlines | Non-stop | 2h 39m | $62 | Compare |
| Fri, 6 Nov 19:55 | Frontier Airlines | Non-stop | 2h 43m | $68 | Compare |
| Wed, 28 Oct 20:55 | Frontier Airlines | Non-stop | 2h 44m | $69 | Compare |
| Tue, 27 Oct 20:55 | Frontier Airlines | Non-stop | 2h 44m | $70 | Compare |
| Thu, 26 Nov 06:54 | Frontier Airlines | Non-stop | 2h 39m | $73 | Compare |
| Fri, 27 Nov 22:30 | Frontier Airlines | Non-stop | 2h 41m | $73 | Compare |
| Fri, 16 Oct 23:29 | Frontier Airlines | Non-stop | 2h 40m | $85 | Compare |
| Sat, 14 Nov 19:11 | Frontier Airlines | Non-stop | 2h 43m | $96 | Compare |
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Booking sites for this route
Estimated convenience fee per traveller, per flight
Airlines on this route
Frontier Airlines from $40Route facts
FromMiami International Airport (MIA)
ToLuis Munoz Marin International Airport (SJU)
Distance1,681 km
TypeInternational
Departure time zoneAmerica/New_York
Arrival time zoneAmerica/Puerto_Rico
Coupons for this trip
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Miami to San Juan: questions
What is the cheapest flight from Miami to San Juan?
The lowest recent fare is $40 per adult on 29 October with Frontier Airlines. Typical fares in the next two months are around $73.
How long is the flight from Miami to San Juan?
The fastest flight we found takes 2h 39m; a typical journey takes 2h 41m. Connecting itineraries take longer.
Which airlines fly from Miami to San Juan?
Recent fares on this route include Frontier Airlines.
When is the cheapest time to fly from Miami to San Juan?
Based on recent searches, October 2026 has the lowest fares, from $40. Prices rise closer to departure, so booking 3–6 weeks ahead (6–10 weeks for international) usually helps.
Is there a direct flight from Miami to San Juan?
Yes. Non-stop fares start from $40 in recent searches.
Which site is cheapest for Miami to San Juan flights?
It changes by date. Aeroport compares each site's estimated checkout total — fare plus convenience fee, minus active coupons — so you can see the cheapest site for your exact flight before you book.