Flights Jacksonville → Key West
As of November 2026, economy flights from Jacksonville to Key West have a typical range USD 472–1749, median USD 728. Full range across all 281 offers: USD 436–4077. We analyzed 281 offers from 5 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: Jacksonville → Key West
Based on 281 offers · November 2026. Prices and availability change — run a live search to confirm.
Bag & seat fees: Jacksonville → Key West
Add-on pricing from the cheapest available offer per airline · November 2026 · USD
| Airline | Carry-on | Checked bag | Seat selection |
|---|---|---|---|
| American Airlines | — | — | — |
| American | — | USD 110 | — |
| Delta | — | — | — |
| Breeze Airways | — | — | — |
| United Airlines | Included | USD 80 | — |
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 Jacksonville to Key West cost?
Based on 281 offers · November 2026
Jacksonville to Key West flights ranged from USD 436 to USD 4077 across 281 offers analyzed in November 2026. The chart below shows how prices distributed across all 281 offers.
These 281 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 528 and USD 1003
What hidden fees do Jacksonville to Key West flights charge?
Ancillary fees — bags, seat selection, and payment surcharges — can add 10–25% to the base fare on Jacksonville to Key West routes. The breakdown below is based on 281 offers analyzed in November 2026.
| Carrier | Avg fee (USD) | % of base fare |
|---|---|---|
| AA | 37 | 5% |
| American | 110 | 24% |
| DL | 14 | 1% |
| MX | 10 | 1% |
| UA | 90 | 8% |
American: base ~USD 345 + fees USD 110 = ~USD 455 total. Breeze Airways: base ~USD 774 + fees USD 10 = ~USD 784 total.
American's USD 110 ancillary fees narrow the gap with Breeze Airways's lower-fee model — the USD 429 base difference shrinks to USD 329 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 Jacksonville to Key West?
5 airlines flew Jacksonville to Key West 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 (American), fares ranged USD 437–507 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) |
|---|---|---|---|---|
 American | 4 | 437–507 | 455 | 110 (24%) |
 Delta Air Lines | 107 | 532–3324 | 707 | 14 (2%) |
 American Airlines | 161 | 436–1079 | 745 | 37 (5%) |
 Breeze Airways | 7 | 734–855 | 784 | 10 (1%) |
 United Airlines | 2 | 1129–1181 | 1155 | 90 (8%) |
Where do the best Jacksonville → Key West 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: Jacksonville to Key West flights
- Jacksonville–Key West had 281 offers analyzed. Median price: USD 728.
- American charges 11.0x more in ancillary fees than MX — USD 110 vs USD 10 avg per booking.
- The same route priced USD 2164 apart depending on where it was booked — the lowest median was USD 455. 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 Jacksonville to Key West cost?
- Based on 281 offers analyzed, Jacksonville to Key West flights range from USD 436 to USD 4077, with a median price of USD 728. Search for your specific dates →
- What hidden fees should I expect on Jacksonville to Key West flights?
- On average, ancillary fees (bags, seat selection) add USD 29 to the base fare on Jacksonville to Key West flights. See itemized fees for your itinerary →
- Which airline is cheapest on Jacksonville to Key West including all fees?
- American has the lowest median fare on Jacksonville to Key West at USD 455 (median across 4 offers in our snapshot). Check which airline wins on your dates →
- Which booking site has the cheapest Jacksonville–Key West 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 455. Run a live search and we'll find the cheapest for you →
- Why do prices vary so much on Jacksonville to Key West routes?
- Jacksonville to Key West has 5 airlines competing, creating a price range from USD 436 to USD 4077 across 281 offers. Prices on this route change with booking timing, advance purchase, and ancillary add-ons. Find where your trip lands in the distribution →
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