Frontier AirlinesDepart21:26
Sun, Nov 29DEN → JAX
5h 54m · 2 stops
$345one way, per person
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- Cheapest fare
- $345
- Cheapest month
- November
- Direct flights
- Not recently
- Quickest trip
- 5h 54m
Frontier Airlines · Sun, Nov 29
from $345
Usually 1+ stop
2,360 km
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Cheapest month to fly from Denver to Jacksonville
Lowest one-way fare per person in each month. Choose a month to see every date.
Cheapest dates in November 2026
The lowest fares we've seen for each day, cheapest first.
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About flights from Denver to Jacksonville
Denver (DEN) and Jacksonville (JAX) are about 2,360 km apart. We haven't seen direct fares on this route recently, so expect at least one stop; the quickest journey we've seen takes about 5h 54m. Over the next few months, one-way fares start from $345, and November 2026 is currently the cheapest month to fly.
These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.
Frequently asked questions
How much is a flight from Denver to Jacksonville?
The cheapest one-way fare we've seen recently is $345 with Frontier Airlines, departing Sunday, November 29, 2026.
What is the cheapest month to fly from Denver to Jacksonville?
November 2026 currently has the lowest fares, from $345 one way.
Are there direct flights from Denver to Jacksonville?
We haven't seen direct fares recently, so most journeys include at least one stop.
How long is the flight from Denver to Jacksonville?
The quickest journey we've seen takes about 5h 54m. Denver and Jacksonville are around 2,360 km apart.
Which airlines fly from Denver to Jacksonville?
Recent fares on this route were with Frontier Airlines.
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