Cheap flights from Miami to Costa Rica from £120

MIA — SJO
4 Dec — 11 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Miami to Costa Rica

Enter your travel dates to find the best prices.

Cheapest flights from Miami to Costa Rica

Thu 12/1112:20 -
Nonstop2h 55m
Mon 16/1107:00 -
Nonstop2h 50m
Deal found 31/10£328
Tue 17/1114:45 -
1 stop5h 05m
Sat 21/1107:00 -
Nonstop2h 50m
Deal found 1/11£329
Wed 18/1114:45 -
1 stop9h 55m
Tue 11/507:45 -
Nonstop2h 55m
Deal found 2/11£339
Thu 3/1212:20 -
Nonstop2h 55m
Mon 14/1207:00 -
Nonstop2h 50m
Deal found 30/10£343
Wed 2/1201:35 -
1 stop8h 15m
Sat 5/1201:55 -
1 stop8h 45m
Deal found 31/10£344
Sat 5/1214:02 -
1 stop9h 42m
Sat 16/115:00 -
1 stop20h 32m
Deal found 30/10£344
Wed 2/1203:33 -
1 stop9h 45m
Mon 7/1208:46 -
1 stop11h 51m
Deal found 4/11£347
Sat 7/1105:30 -
2 stops6h 55m
Sat 14/1117:15 -
1 stop8h 35m
Deal found 1/11£354
Sun 6/1208:45 -
1 stop10h 52m
Wed 3/214:20 -
1 stop19h 52m
Deal found 1/11£388
Wed 16/1216:59 -
1 stop26h 38m
Wed 23/1208:45 -
1 stop9h 10m
Deal found 31/10£426
Fri 13/1106:24 -
1 stop7h 46m
Wed 18/1114:20 -
1 stop20h 13m
Deal found 30/10£441
Mon 30/1106:24 -
1 stop7h 46m
Sun 6/1208:45 -
1 stop8h 30m
Deal found 30/10£449

Find flight deals from Miami to Costa Rica

Round-trip from

£242

One-way from

£120

Popular in

December

Cheapest in

February

Average price

£330
Delta
  • Delta
  • 19/1-2/2
  • 2 total stops
  • 16h 34m total
  • Miami to Costa Rica
Delta
  • Delta
  • 29/12-31/12
  • 1 total stop
  • 7h 55m total
  • Miami to Costa Rica
Highest demand for flights based on searches. 7% potential increase in price (£17 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£6 potential savings vs. average return price).
Average for round-trip flights in November 2026

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Miami to Costa Rica that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

MiamiLiberia

MIA Miami - LIR Liberia

MIALIR

Miami

Wed 30/12

06:28-13:10

1 stop7h 42m

Liberia

Wed 31/12

00:00-01:00

Nonstop0h 00m

£120

MiamiLiberia

MIA Miami - LIR Liberia

MIALIR

Miami

Thu 4/2

19:44-12:45

1 stop18h 01m

Liberia

Wed 31/12

00:00-01:00

Nonstop0h 00m

£140

MiamiSan José

MIA Miami - SJO San José Juan Santamaria Intl

MIASJO

Miami

Sun 31/1

05:00-13:45

1 stop9h 45m

San José Juan Santamaria Intl

Wed 31/12

00:00-01:00

Nonstop0h 00m

£177

MiamiSan José

MIA Miami - SJO San José Juan Santamaria Intl

MIASJO

Miami

Wed 24/2

07:00-22:05

1 stop16h 05m

San José Juan Santamaria Intl

Wed 31/12

00:00-01:00

Nonstop0h 00m

£180

MiamiSan José

MIA Miami - SJO San José Juan Santamaria Intl

MIASJO

Miami

Tue 16/2

12:59-22:05

1 stop10h 06m

San José Juan Santamaria Intl

Wed 31/12

00:00-01:00

Nonstop0h 00m

£180

MiamiSan José

MIA Miami - SJO San José Juan Santamaria Intl

MIASJO

Miami

Tue 24/11

14:04-22:15

1 stop9h 11m

San José Juan Santamaria Intl

Wed 31/12

00:00-01:00

Nonstop0h 00m

£185

MiamiSan José

MIA Miami - SJO San José Juan Santamaria Intl

MIASJO

Miami

Sun 15/11

05:05-12:20

1 stop8h 15m

San José Juan Santamaria Intl

Wed 31/12

00:00-01:00

Nonstop0h 00m

£194

MiamiSan José

MIA Miami - SJO San José Juan Santamaria Intl

MIASJO

Miami

Mon 22/2

12:45-18:50

2 stops7h 05m

San José Juan Santamaria Intl

Wed 31/12

00:00-01:00

Nonstop0h 00m

£204

MiamiSan José

MIA Miami - SJO San José Juan Santamaria Intl

MIASJO

Miami

Fri 27/11

13:09-17:08

1 stop28h 59m

San José Juan Santamaria Intl

Wed 31/12

00:00-01:00

Nonstop0h 00m

£205

MiamiLiberia

MIA Miami - LIR Liberia

MIALIR

Miami

Thu 28/1

10:03-13:10

1 stop28h 07m

Liberia

Wed 31/12

00:00-01:00

Nonstop0h 00m

£209

Flights are sorted by cheapest return flights first.

Deals found on 30/10

Showing 1-10 of 42 resultsSorted by cheapest first
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Best time to book a flight from Miami to Costa Rica

Have a flexible travel schedule? Discover the best time to fly to Costa Rica from Miami with our price prediction graph.
Estimated return price

Cheapflights Insights

Everything you need to know about your flight from Miami to Costa Rica

What is the cheapest month to book a flight from Miami to Costa Rica?

Currently, February is the cheapest month in which you can book a flight from Miami to Costa Rica (average of £210). Flying from Miami to Costa Rica in December is currently the most expensive (average of £381). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from MIA to CR?

It’s typically best to fly out from Miami to Costa Rica at midday. Doing so could potentially save you 38% on the flight price compared to flying in the morning, which is usually more expensive.

How often are flights from Miami to Costa Rica delayed?

About 17% of weekly flights between Miami and Costa Rica have experienced delays in the past year, with the average delay time being 130 minutes.

What is the most punctual flight time for Miami to Costa Rica flights?

Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Tuesday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Miami to Costa Rica flights?

Over the past year, Avianca have had the lowest number of delays on this route, with just 7% of flights being delayed.

How far ahead should I book a flight from Miami to Costa Rica?

The best time to book flights from Miami to Costa Rica is 76 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Reviews of airlines servicing Costa Rica

See what other customers who have flown with American Airlines and Avianca from Miami to Costa Rica have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

7.2

Entertainment

6.8

Overall

7.0

Boarding

7.4

Food

6.4

Crew

7.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Mar 2026

MIA - SFO

Horrible. When they power flights for other airlines there is nothing they can do to change or accommodate any changes

Comfort

7.2

Entertainment

6.8

Overall

7.0

Boarding

7.4

Food

6.4

Crew

7.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Mar 2026

MIA - SFO

Horrible. When they power flights for other airlines there is nothing they can do to change or accommodate any changes

Comfort

7.2

Entertainment

6.8

Overall

7.0

Boarding

7.4

Food

6.4

Crew

7.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Mar 2026

MIA - SFO

Horrible. When they power flights for other airlines there is nothing they can do to change or accommodate any changes

Related info for your journey

  • What airport do you fly from for flights from Miami to Costa Rica?

    Miami (MIA) is the airport you will fly out of if you book a flight from Miami to Costa Rica. It is only a 6.1 mi journey to Miami (MIA) from Miami’s city center.

  • How popular is this Miami to Costa Rica flight route?

  • How long is the flight from Miami to Costa Rica?

    There are many flights that can get you from Miami to Costa Rica in 2h 55m. Fly via Delta, United Airlines, or Avianca to get the fastest option. There are 1121 mi between Miami and Costa Rica. This flight may include one or multiple stops.

  • What are the most reliable airlines from Miami to Costa Rica?

    The top 3 most reliable airlines when flying from Miami to Costa Rica are Avianca (92%), Avianca Costa Rica (92%) and Avianca Cargo (75%).

  • Can I find deals for flights from Miami to Costa Rica that include hotel bookings?

    Yes. In addition to deals on Miami to Costa Rica flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Miami to Costa Rica?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Miami to Costa Rica.

  • Can I find deals for business class flights from Miami to Costa Rica?

    Yes. Cheapflights offers flight deals from Miami to Costa Rica by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Miami to Costa Rica?

    Currently, February is the cheapest month in which you can book a flight from Miami to Costa Rica (average of £210). Flying from Miami to Costa Rica in December is currently the most expensive (average of £381). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Miami to Costa Rica

Top 2 airlines flying from Miami to Costa Rica

AirlineCheapestAverageFlexibilityOn-time
AviancaCheapest£166Average£255FlexibilityNo cancel feeOn-time71%
Search Avianca flights
American AirlinesCheapest£192Average£299FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

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When you search for this flight from Miami to Costa Rica, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Costa Rica from Miami today and book when prices fit your budget.

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