ORD → PHL

Find and Compare the Cheapest Ways to Fly from Chicago to Philadelphia

Compare one-way, round-trip and flight + hotel packages from Chicago to Philadelphia, a nonstop flight of about 1h 50m, with fares from around 130. Nonstop fares seen from Frontier.

Chicago to Philadelphia flight facts

Chicago to Philadelphia is a domestic route covering about 676 miles, arriving at Philadelphia International Airport (PHL) in United States. Peak travel season in Philadelphia runs June–August (mild, long sunny days), while November–March is usually the quietest and best-value time to visit. Nonstop fares we've tracked on this route come from Frontier.

Key facts for flights from Chicago to Philadelphia
Departing fromO'Hare International Airport (ORD)
Arriving atPhiladelphia International Airport (PHL)
Distance676 miles (1,088 km)
Nonstop flight timeAbout 1h 50m
Nonstop airlines seenFrontier
Round-trip fares from$130 (estimate)
Cheapest monthsSeptember, February, May
Peak season in PhiladelphiaJune–August
Cheapest hotel months in PhiladelphiaNovember–March
Best time to book1 to 3 months ahead
Route info updatedOctober 16, 2026

When to visit Philadelphia

  • Peak season

    June–August

    Mild, long sunny days

  • Shoulder season

    April–May & September–October

    Cool and crisp, fewer crowds

  • Off-peak season

    November–March

    Cold, damp and grey

Estimated round-trip fares by month, Chicago to Philadelphia

Estimated lowest round-trip fare per month
MonthFares from
January$150
February$140
March$160
April$150
May$145
June$205
July$215
August$205
September$130
October$145
November$165
December$205

Flying from Chicago to Philadelphia

Airlines Flying this Route

Nonstop fares we've tracked on this route come from Frontier. Ducoffs.com compares full-service and low-cost airlines flying between Chicago and Philadelphia in a single search, including nonstop and one-stop options, so you can weigh price against total travel time.

Best Time to Book Flights from Chicago to Philadelphia

Fares on this route tend to be lowest in September, February, and May. For the best selection, book about 1 to 3 months before departure and stay flexible by a day or two.

Average Travel Duration

Chicago and Philadelphia are about 676 miles apart. A nonstop flight takes roughly 1h 50m; connecting itineraries usually add 2 to 5 hours.

Chicago to Philadelphia flight questions

How can I find the absolute cheapest flight from Chicago to Philadelphia?

The best way to secure budget rates is by comparing multiple airlines simultaneously and checking flexible dates. Ducoffs.com scans available partner networks to bring you real-time pricing options.

What is the cheapest month to fly from Chicago to Philadelphia?

Based on typical seasonal demand, September, February, and May tend to offer the lowest fares on this route, with estimated round-trip prices starting around $130. Live prices change daily, so run a search for your exact dates.

How long is the flight from Chicago to Philadelphia?

Chicago and Philadelphia are about 676 miles apart. A nonstop flight takes roughly 1h 50m, while connecting itineraries usually add 2 to 5 hours depending on the layover.

Which airlines fly nonstop from Chicago to Philadelphia?

Recent nonstop fares we've tracked on this route come from Frontier. Schedules change by season, so your live search shows every airline flying your dates.

When are hotels cheapest in Philadelphia?

Hotel rates in Philadelphia are usually lowest in November–March, when demand is quieter, and highest during peak season (June–August). Booking your flight and hotel together can save up to 30%.

Which airport do I fly into for Philadelphia?

This route arrives at Philadelphia International Airport (PHL). Your search results also show nearby airports when they offer a cheaper or faster option.

How far in advance should I book a flight to Philadelphia?

For this route, booking about 1 to 3 months before departure usually gives the best balance of price and seat selection. Mid-week departures are often cheaper than weekend flights.

Is it cheaper to bundle flights and hotels together?

Yes. Bundling your travel components can save you up to 30% compared to booking flights and hotels separately, as airlines and properties offer exclusive package discounts.