Cheap $42 Flights From Miami to Puerto Rico
Easily compare flights from Miami to Puerto Rico and find the cheapest tickets available!
Miami
San Juan
From $51
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Miami
Aguadilla
From $232
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Miami
Ponce
From $254
Search now
Flying From Miami to Puerto Rico: What You Need to Know
| Cheapest one-way flight price | $42 |
|---|---|
| Cheapest round-trip ticket price | $91 |
| Off-season for travel | November |
| Peak season for travel | July |
| Popular airline | Frontier Airlines |
| Cheapest month | September |
Compare multiple airlines at once to find the best flight deals from Miami to Puerto Rico.
Airlines Flying From Miami to Puerto Rico
Frontier Airlines 
American Airlines Search Flights From Miami to Puerto Rico
Easily compare flights from Miami to Puerto Rico and find the cheapest tickets available!
Find the Cheapest Flights to Puerto Rico From Miami
Looking for cheap flights from Miami to Puerto Rico? Check out prices for the next 90 days, starting at just $42 for a one-way ticket and $91 for a round trip.
- One way
- Round-trip
-
- Cheapest nonstop
Thu, Oct 1MIA|SJUMiamiSan JuanNonstop | Frontier AirlinesFri, Oct 2SJU|MIASan JuanMiamiNonstop | Frontier Airlines$91 $23762% off62% off$237 $91 -
Wed, Oct 7MIA|SJUMiamiSan JuanNonstop | Frontier Airlines
Sun, Oct 11SJU|MIASan JuanMiamiNonstop | Frontier Airlines$96 $23759% off59% off$237 $96
-
Wed, Oct 21MIA|SJUMiamiSan JuanNonstop | Frontier Airlines
Tue, Oct 27SJU|MIASan JuanMiamiNonstop | Frontier Airlines$102 $23756% off56% off$237 $102
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Wed, Nov 4MIA|SJUMiamiSan JuanNonstop | Frontier Airlines
Mon, Nov 9SJU|MIASan JuanMiamiNonstop | Frontier Airlines$10256% off$237 $102
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Mon, Oct 5MIA|SJUMiamiSan JuanNonstop | Frontier Airlines
Wed, Oct 7SJU|MIASan JuanMiamiNonstop | Frontier Airlines$10256% off$237 $102
-
Wed, Sep 16MIA|SJUMiamiSan JuanNonstop | Frontier Airlines
Sun, Sep 20SJU|MIASan JuanMiamiNonstop | Frontier Airlines$10256% off$237 $102
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Tue, Oct 20MIA|SJUMiamiSan JuanNonstop | Frontier Airlines
Wed, Oct 28SJU|MIASan JuanMiamiNonstop | Frontier Airlines$10256% off$237 $102
-
Tue, Oct 6MIA|SJUMiamiSan JuanNonstop | Frontier Airlines
Wed, Oct 14SJU|MIASan JuanMiamiNonstop | Frontier Airlines$10256% off$237 $102
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Sat, Sep 26MIA|SJUMiamiSan JuanNonstop | Frontier Airlines
Mon, Sep 28SJU|MIASan JuanMiamiNonstop | Frontier Airlines$10256% off$237 $102
-
Thu, Sep 17MIA|SJUMiamiSan JuanNonstop | Frontier Airlines
Sun, Sep 20SJU|MIASan JuanMiamiNonstop | Frontier Airlines$17327% off$237 $173
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Tue, Sep 8MIA|SJUMiamiSan Juan1 stop | Normal Airline
Thu, Sep 10SJU|MIASan JuanMiamiNonstop | Normal AirlineFind more flightsFind more flights
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Cheapest nonstopMon, Oct 19MIA|SJUMiamiSan JuanNonstop | Frontier Airlines$42 $12466% off66% off$124 $42
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Wed, Oct 21MIA|SJUMiamiSan JuanNonstop | Frontier Airlines$48 $12461% off61% off$124 $48
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Thu, Oct 15MIA|SJUMiamiSan JuanNonstop | Frontier Airlines$51 $12459% off59% off$124 $51
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Tue, Oct 20MIA|SJUMiamiSan JuanNonstop | Frontier Airlines$5159% off$124 $51
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Mon, Oct 26MIA|SJUMiamiSan JuanNonstop | Frontier Airlines$5257% off$124 $52
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Wed, Oct 7MIA|SJUMiamiSan JuanNonstop | Frontier Airlines$5257% off$124 $52
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Tue, Oct 13MIA|SJUMiamiSan JuanNonstop | Frontier Airlines$6151% off$124 $61
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Sun, Oct 11MIA|SJUMiamiSan JuanNonstop | Frontier Airlines$7044% off$124 $70
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Sun, Oct 18MIA|SJUMiamiSan JuanNonstop | Frontier Airlines$7044% off$124 $70
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Wed, Sep 9MIA|SJUMiamiSan JuanNonstop | Frontier Airlines$9027% off$124 $90
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Tue, Sep 8MIA|SJUMiamiSan Juan1 stop | Normal AirlineFind more flightsFind more flights
Displayed flight fares from Miami to Puerto Rico are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.
FAQs: Flights From Miami to Puerto Rico
What is the cheapest Miami to Puerto Rico flight route?
The cheapest round-trip flight from Miami to Puerto Rico is on the route from Miami to San Juan, with prices starting at $81 for a round trip between 2026-10-06 and 2026-10-13.When is it the cheapest time to fly from Miami to Puerto Rico?
According to our flights calendar over the next 90 days, it seems the cheapest date is on 2026-10-06 for one-way flights.How long does it take to fly to Puerto Rico from Miami?
Based on our flight data, the average flight time from Miami to Puerto Rico is approximately 2 hours 43 minutes based on our most popular routes from Miami to San Juan. The time may also vary depending on your destination.What is the cheapest airline that flies to Puerto Rico from Miami?
The cheapest airline flying to Puerto Rico from Miami is Frontier Airlines serving route from Miami to San Juan.Where can I fly to Puerto Rico from Miami?
There are direct flights from Miami to Puerto Rico. San Juan, Aguadilla, and Ponce are all popular destinations in Puerto Rico.
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