Route guide · 913 miles

Cheap Flights from St. Petersburg to Harrisburg

PIE → MDT · Nonstop 2h 21m · Live round-trip fares

Looking for cheap flights from St. Petersburg to Harrisburg? You're in the right place. Airfare Deal tracks live fares on this 913-mile route around the clock. As a rule of thumb, booking 3–6 weeks ahead lands the best prices — and a free fare alert means you never have to keep refreshing the page.

Live fares for PIE → MDT are updating. Use the search below for real-time prices.

Search live prices

Cheapest recent fare

See live fares

Updated daily

Flight time

2h 21m

Nonstop, typical

Distance

913 mi

PIE → MDT

Book ahead

3–6 weeks

Best window, typically

Nonstop airlines

1

Allegiant Air

Nonstop flights from St. Petersburg to Harrisburg

Nonstop service links St. Petersburg and Harrisburg directly — flights are flown by Allegiant Air. Expect roughly 2h 21m in the air. If a nonstop is what you want, don't wait too long: booking 3–6 weeks ahead is when these seats are priced most kindly.

Booking insights: St. Petersburg → Harrisburg

  • Distance: 913 miles · nonstop flight time: 2h 21m.
  • Rule of thumb for this route: the sweet spot is usually 3–6 weeks before departure.
  • Tuesday and Wednesday departures usually undercut Friday and Sunday fares on routes like this one.
  • Set a free Airfare Deal alert instead of checking daily — the best fares can sell out in hours.

Free fare alerts

Watch St. Petersburg (PIE) → Harrisburg (MDT)

We check this route's fares daily. The moment the price drops, we'll email you — free, unsubscribe anytime.

Talk to a real person

Get St. Petersburg → Harrisburg flights confirmed by phone

Fares move fast. Call us and we'll confirm the latest price for your dates — or drop your number and we'll call you back. Free, no payment taken on the call.

Request a callback

Flying from St. Petersburg to Harrisburg: what you need to know

The flight

St. Petersburg to Harrisburg covers 913 miles, and a nonstop gets it done in about 2h 21m. 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 Harrisburg (MDT)

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 Harrisburg airport guide lays out your ground options, from transit and shuttles to rideshares and rental cars. Flying back the other way? Check Harrisburg to St. Petersburg fares — prices on the return direction often move on a different rhythm.

When to book

For a trip of 913 miles, booking 3–6 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

  • Nonstop time on this route is about 2h 21m — a one-stop itinerary needs to be a lot cheaper to be worth the extra hours.
  • Tuesday and Wednesday departures are typically the cheapest days on domestic routes.
  • Screenshot your fare before you enquire — prices move, and a saved fare helps our team match or beat it.
  • Flexible dates? Search a few days either side — one day can change the fare a lot.
  • Morning flights are delayed less often than evening ones — earlier departures have the best on-time record.

St. Petersburg to Harrisburg flight FAQs

How long is the flight from PIE to MDT?

A nonstop from PIE to MDT clocks in at around 2h 21m for the 913-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 Harrisburg?

Yes — look for Allegiant Air on this route. Nonstop seats are usually priced best 3–6 weeks before departure.

What is the cheapest month to fly from St. Petersburg to Harrisburg?

Fares from St. Petersburg to Harrisburg 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 MDT?

Book inside the final week and you'll usually pay a premium on PIE to MDT. Fares booked 3–6 weeks ahead are almost always kinder.

What is a good round-trip deal from St. Petersburg to Harrisburg?

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 Harrisburg?

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

Get mistake fares before they vanish

Free alerts from your home airport. The best fares die in hours — be first to know.

Or get deals on WhatsApp — coming soon. No spam, unsubscribe anytime.

How Airfare Deal works — Airfare Deal is a free fare-search and enquiry service. We take no payment online; send an enquiry and our travel team confirms your fare before you pay anything.