Flights Miami → San José (Alajuela)
As of November 2026, economy flights from Miami to San José (Alajuela) have a typical range USD 465–1044, median USD 524. Full range across all 229 offers: USD 462–2030. We found 66% of 229 offers from budget carriers (around USD 509) and 34% from full-service carriers (around USD 548).
Preview snapshot — prices change. Search for live results.
Data collected by LetsFG's multi-source price checks — every airline and the major booking sites checked for this route. How we collect data →
Best offers by airline: Miami → San José (Alajuela)
Based on 229 offers · November 2026. Prices and availability change — run a live search to confirm.
Bag & seat fees: Miami → San José (Alajuela)
Add-on pricing from the cheapest available offer per airline · November 2026 · USD
| Airline | Carry-on | Checked bag | Seat selection |
|---|---|---|---|
| Avianca | Included | USD 30 | — |
| American Airlines | Included | USD 35 | — |
| Southwest | Included | Included | — |
| United Airlines | Included | USD 35 | — |
| Copa | Included | USD 40 | — |
| Delta | Included | USD 35 | — |
| Air Canada | Included | USD 30 | — |
Fees are estimates from the prices we checked and may not reflect your specific itinerary, booking class, or payment method. Run a live search for exact pricing.
How much do flights from Miami to San José (Alajuela) cost?
Based on 229 offers · November 2026
Miami to San José (Alajuela) flights ranged from USD 462 to USD 2030 across 229 offers analyzed in November 2026. Two fare clusters detected: budget fares around 540 and premium fares around 1324 The chart below shows how prices distributed across all 229 offers.
These 229 offers (November 2026) span multiple departure dates and booking windows — your travel dates may fall anywhere in this distribution. Only a live search shows where your specific trip lands.
50% of offers priced between USD 495 and USD 597
What hidden fees do Miami to San José (Alajuela) flights charge?
Ancillary fees — bags, seat selection, and payment surcharges — can add 10–25% to the base fare on Miami to San José (Alajuela) routes. The breakdown below is based on 229 offers analyzed in November 2026.
| Carrier | Avg fee (USD) | % of base fare |
|---|---|---|
| AV | 39 | 5% |
| AA | 45 | 9% |
| WN | 0 | 0% |
| UA | 45 | 5% |
| CM | 55 | 9% |
| DL | 45 | 6% |
| AC | 42 | 4% |
Copa Airlines: base ~USD 542 + fees USD 55 = ~USD 597 total. Air Canada: base ~USD 1035 + fees USD 42 = ~USD 1077 total.
Copa Airlines's USD 55 ancillary fees narrow the gap with Air Canada's lower-fee model — the USD 493 base difference shrinks to USD 480 after fees. Always compare total cost, not just the advertised base fare.
Estimates based on median total minus average ancillary fee. Actual base fares vary by itinerary.Fee levels vary significantly across carriers on this route — some carriers charge 50%+ above the base fare in ancillary fees.
Run your search to see itemized fees for your itineraryWhich airline is cheapest from Miami to San José (Alajuela)?
9 airlines flew Miami to San José (Alajuela) in this dataset. The route shows a clear split between low-cost and full-service carriers. Knowing the airline isn't enough — the typical fare range below shows how far prices swing on each one. Median and range include all fees we recorded.
| Airline | Offers | Typical range (USD) | Median (USD) | Fees (USD) |
|---|---|---|---|---|
 Avianca | 10 | — | 472 | n/a |
 Avianca | 85 | 463–1314 | 491 | 39 (8%) |
 American Airlines | 31 | 507–586 | 509 | 45 (9%) |
 Southwest Airlines | 25 | 506–523 | 509 | 0 (0%) |
 United Airlines | 17 | 507–1747 | 548 | 45 (8%) |
 Copa Airlines | 55 | 578–615 | 597 | 55 (9%) |
 Delta Air Lines | 1 | — | 744 | 45 (6%) |
 AM | 2 | — | 857 | n/a |
 Air Canada | 3 | 1032–1085 | 1077 | 42 (4%) |
Where do the best Miami → San José (Alajuela) prices come from?
We checked direct airlines, travel agencies, and meta-search for this route. On this route the lowest median came from travel agency sources, but the cheapest channel shifts by route and date — which is exactly why a live search across all of them wins.
We compare every airline and the major booking sites but never disclose which — that's our edge. Prices are the ones we observed and aren't official data from any platform. Run a live search and we bring you the cheapest, wherever it is.
Key facts: Miami to San José (Alajuela) flights
- Full-service carriers on Miami–San José (Alajuela) cost 1.3x more than budget airlines (USD 662 vs USD 509 median; overall median USD 524).
- CM charges 1.4x more in ancillary fees than AV — USD 55 vs USD 39 avg per booking.
- The same route priced USD 841 apart depending on where it was booked — the lowest median was USD 472. We search every airline and the major booking sites at once so you always see that lowest price.
Frequently asked questions
- How much does a flight from Miami to San José (Alajuela) cost?
- Based on 229 offers analyzed, Miami to San José (Alajuela) flights range from USD 462 to USD 2030, with a median price of USD 524. Search for your specific dates →
- What hidden fees should I expect on Miami to San José (Alajuela) flights?
- On average, ancillary fees (bags, seat selection) add USD 40 to the base fare on Miami to San José (Alajuela) flights. See itemized fees for your itinerary →
- Which airline is cheapest on Miami to San José (Alajuela) including all fees?
- Avianca has the lowest median fare on Miami to San José (Alajuela) at USD 472 (median across 10 offers in our snapshot). Check which airline wins on your dates →
- Which booking site has the cheapest Miami–San José (Alajuela) flights?
- It depends on your dates — no single site is always cheapest. We search every airline and the major booking sites at once (travel agencies and meta-search included) and surface whichever is lowest; the best median in this snapshot was USD 472. Run a live search and we'll find the cheapest for you →
- Why do prices vary so much on Miami to San José (Alajuela) routes?
- Miami to San José (Alajuela) has 9 airlines competing, creating a price range from USD 462 to USD 2030 across 229 offers. There are two distinct fare clusters on this route: budget options and premium fares. Find where your trip lands in the distribution →
9 airlines, two price clusters — find which fits your budget
Find flights for my datesNew route — be among the first to track this itinerary
Building with flight data? Power your app or agent with LetsFG
The same multi-source search behind this page — every airline and the major booking sites, deduplicated and ranked — is available to your app or AI agent. Natural-language or structured queries, live prices, zero price bias.
Try the free sandbox — no card →Free sandbox, instant fake results · email for a key · Bearer-token auth · MCP, Python & JS SDKs · letsfg.co/developers