Route guide · 514 miles
Cheap Flights from St. Petersburg to Chattanooga
PIE → CHA · Nonstop 1h 33m · Live round-trip fares
The run from St. Petersburg (PIE) to Chattanooga (CHA) is 514 miles of sky, and ticket prices on it are anything but steady. One week can cost double the next. Booking about 2–4 weeks in advance — and watching fares with a free Airfare Deal alert — is how regulars on this route keep costs down.
Live fares for PIE → CHA are updating. Use the search below for real-time prices.
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Updated daily
Flight time
1h 33m
Nonstop, typical
Distance
514 mi
PIE → CHA
Book ahead
2–4 weeks
Best window, typically
Nonstop airlines
1
Allegiant Air
Nonstop flights from St. Petersburg to Chattanooga
Nonstop service links St. Petersburg and Chattanooga directly — flights are flown by Allegiant Air. Expect roughly 1h 33m in the air. If a nonstop is what you want, don't wait too long: booking 2–4 weeks ahead is when these seats are priced most kindly.
Booking insights: St. Petersburg → Chattanooga
- Distance: 514 miles · nonstop flight time: 1h 33m.
- Rule of thumb for this route: the sweet spot is usually 2–4 weeks before departure.
- Midweek departures (Tue–Thu) are consistently cheaper than weekend flights.
- Set a free Airfare Deal alert instead of checking daily — the best fares can sell out in hours.
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Flying from St. Petersburg to Chattanooga: what you need to know
The flight
St. Petersburg to Chattanooga covers 514 miles, and a nonstop gets it done in about 1h 33m. That's long enough to settle in with a coffee and a downloaded show, short enough that a connection rarely makes sense — a layover usually doubles your travel day to save very little.
Airlines on this route
Allegiant Air flies this route nonstop. That matters more than it sounds: the cheapest fare on one carrier is rarely the same product as the cheapest on another. Checked-bag fees, free seat selection and change rules all differ, so compare the full trip cost before you pick a winner. See our airline guides for exactly what each carrier charges — then send an enquiry and we'll confirm the all-in price for your dates.
Leaving from St. Petersburg (PIE)
Plan to be at the airport two hours before a domestic departure — ninety minutes can work at smaller airports outside peak times, but security lines are the one variable you can't control. If you're checking a bag, add time rather than cutting it close. Our St. Petersburg airport guide covers terminals, parking and ground transport so you can plan the trip to the airport, not just the flight.
Arriving in Chattanooga (CHA)
Before you land, know how you're getting from the airport to where you're staying — it's the part of the trip people forget to plan. The Chattanooga airport guide lays out your ground options, from transit and shuttles to rideshares and rental cars. Flying back the other way? Check Chattanooga to St. Petersburg fares — prices on the return direction often move on a different rhythm.
When to book
For a trip of 514 miles, booking 2–4 weeks ahead typically lands you in the sweet spot. Leave it to the final two weeks and prices usually climb as the cheapest seats sell out. If your dates are flexible, midweek departures are where the lower fares hide on most domestic routes.
Good to know before you go
- Morning flights are delayed less often than evening ones — earlier departures have the best on-time record.
- Basic economy fares often exclude checked bags and seat selection. Price the whole trip, not the headline fare.
- Get to the airport two hours before departure; security, not the flight, is the part that runs late.
- If you're traveling with only a carry-on, you can skip the bag-drop line entirely with mobile check-in.
- Download the airline's app before you fly; gate changes and delays show up there first.
St. Petersburg to Chattanooga flight FAQs
How long is the flight from PIE to CHA?
A nonstop from PIE to CHA clocks in at around 1h 33m for the 514-mile trip. If you're connecting, budget an extra 2–4 hours depending on where you stop.
Are there nonstop flights from St. Petersburg to Chattanooga?
Yes — look for Allegiant Air on this route. Nonstop seats are usually priced best 2–4 weeks before departure.
What is the cheapest month to fly from St. Petersburg to Chattanooga?
Fares from St. Petersburg to Chattanooga tend to ease outside the peak summer and holiday rush — the late-summer and early-fall shoulder weeks are usually kinder on the wallet. Set a free Airfare Deal alert and we'll flag the dips for your dates.
How much are last minute flights from PIE to CHA?
Last-minute flights from PIE to CHA (booked within 7 days of departure) typically cost noticeably more than fares booked 2–4 weeks out. Booking early is the smarter move.
What is a good round-trip deal from St. Petersburg to Chattanooga?
A good deal is anything at or below the recent fares shown above. Set a free Airfare Deal alert and we'll ping you the moment fares drop.
Which airlines fly from St. Petersburg to Chattanooga?
The main carriers on this route are Allegiant Air. Comparing all of them on the live search below usually surfaces the lowest fare for your dates.
How early should I get to St. Petersburg airport for this flight?
Plan on two hours before departure for a domestic flight — ninety minutes can work at smaller airports outside peak times. If you're checking a bag, earlier is better; the bag-drop line, not the flight, is what runs late.
Do the cheapest fares on this route include a checked bag?
Usually not. Basic economy fares on most airlines include a carry-on but charge extra for checked bags, and seat selection can cost more too. Add up the real total before comparing — a slightly higher regular fare sometimes works out cheaper. Our team confirms the full breakdown with you before you pay.
More cheap flights from St. Petersburg
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