Flights Phoenix → San José (Alajuela)
As of November 2026, economy flights from Phoenix to San José (Alajuela) have a typical range USD 596–1287, median USD 844. Full range across all 181 offers: USD 545–4647. We analyzed 181 offers from 12 airlines in a single price check.
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: Phoenix → San José (Alajuela)
Based on 181 offers · November 2026. Prices and availability change — run a live search to confirm.
Bag & seat fees: Phoenix → San José (Alajuela)
Add-on pricing from the cheapest available offer per airline · November 2026 · USD
| Airline | Carry-on | Checked bag | Seat selection |
|---|---|---|---|
| United | Included | USD 35 | — |
| Frontier | — | — | — |
| Delta | Included | USD 35 | — |
| Alaska Airlines | Included | USD 35 | — |
| Southwest | — | Included | — |
| Copa | Included | USD 40 | — |
| JetBlue | Included | — | — |
| Air Canada | Included | USD 30 | — |
| Avianca | Included | USD 30 | — |
| American Airlines | Included | USD 35 | — |
| Aeromexico | Included | — | — |
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 Phoenix to San José (Alajuela) cost?
Based on 181 offers · November 2026
Phoenix to San José (Alajuela) flights ranged from USD 545 to USD 4647 across 181 offers analyzed in November 2026. The chart below shows how prices distributed across all 181 offers.
These 181 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 715 and USD 1046
What hidden fees do Phoenix to San José (Alajuela) flights charge?
Ancillary fees — bags, seat selection, and payment surcharges — can add 10–25% to the base fare on Phoenix to San José (Alajuela) routes. The breakdown below is based on 181 offers analyzed in November 2026.
| Carrier | Avg fee (USD) | % of base fare |
|---|---|---|
| UA | 43 | 4% |
| F9 | 10 | 2% |
| DL | 29 | 1% |
| AS | 45 | 7% |
| WN | 26 | 3% |
| CM | 55 | 6% |
| B6 | 26 | 3% |
| AC | 42 | 5% |
| AV | 37 | 4% |
| AA | 45 | 4% |
| AM | 0 | 0% |
Copa Airlines: base ~USD 789 + fees USD 55 = ~USD 844 total. B6: base ~USD 938 + fees USD 26 = ~USD 964 total.
Copa Airlines's USD 55 ancillary fees narrow the gap with B6's lower-fee model — the USD 149 base difference shrinks to USD 120 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 Phoenix to San José (Alajuela)?
12 airlines flew Phoenix to San José (Alajuela) in this dataset. 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.
Even on the cheapest airline (United), fares ranged USD 569–598 in this snapshot. Your exact price depends on your dates and how far ahead you book — run a live search to see your number →
| Airline | Offers | Typical range (USD) | Median (USD) | Fees (USD) |
|---|---|---|---|---|
 United | 17 | 569–598 | 577 | n/a |
 Frontier Airlines | 20 | 579–631 | 619 | 10 (2%) |
 Alaska Airlines | 1 | — | 656 | 45 (7%) |
 Southwest Airlines | 17 | 676–1008 | 833 | 26 (3%) |
 Copa Airlines | 25 | 804–1102 | 844 | 55 (7%) |
 Air Canada | 1 | — | 895 | 42 (5%) |
 United Airlines | 45 | 780–1192 | 958 | 43 (4%) |
 B6 | 12 | 787–1201 | 964 | 26 (3%) |
 Avianca | 9 | 944–1070 | 1011 | 37 (4%) |
 American Airlines | 6 | — | 1059 | 45 (4%) |
 AM | 1 | — | 1511 | 0 (0%) |
 Delta Air Lines | 27 | 732–4647 | 3608 | 29 (1%) |
Where do the best Phoenix → 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: Phoenix to San José (Alajuela) flights
- Full-service carriers on Phoenix–San José (Alajuela) cost 1.5x more than budget airlines (USD 1235 vs USD 805 median; overall median USD 844).
- CM charges 5.5x more in ancillary fees than F9 — USD 55 vs USD 10 avg per booking.
- The same route priced USD 934 apart depending on where it was booked — the lowest median was USD 577. 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 Phoenix to San José (Alajuela) cost?
- Based on 181 offers analyzed, Phoenix to San José (Alajuela) flights range from USD 545 to USD 4647, with a median price of USD 844. Search for your specific dates →
- What hidden fees should I expect on Phoenix to San José (Alajuela) flights?
- On average, ancillary fees (bags, seat selection) add USD 35 to the base fare on Phoenix to San José (Alajuela) flights. See itemized fees for your itinerary →
- Which airline is cheapest on Phoenix to San José (Alajuela) including all fees?
- United has the lowest median fare on Phoenix to San José (Alajuela) at USD 577 (median across 17 offers in our snapshot). Check which airline wins on your dates →
- Which booking site has the cheapest Phoenix–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 577. Run a live search and we'll find the cheapest for you →
- Why do prices vary so much on Phoenix to San José (Alajuela) routes?
- Phoenix to San José (Alajuela) has 12 airlines competing, creating a price range from USD 545 to USD 4647 across 181 offers. Prices on this route change with booking timing, advance purchase, and ancillary add-ons. Find where your trip lands in the distribution →
12 airlines compete on this route — we check every one
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