Cheap flights from Chicago to Philadelphia
Cheap return flights from Chicago to Philadelphia
Find the best deals
All prices shown are per person based on return flights only. Prices found in the last 48 hours.
Philadelphia flight facts
What you need to know
What are the cheapest airlines?
- Spirit Airlines
- Frontier Airlines
- American Airlines
These airlines usually offer the cheapest flights from Chicago to Philadelphia.
What airlines fly indirectly?
- United Airlines
- Delta Air Lines
- Southwest Airlines
These airlines fly from Chicago to Philadelphia, but you’ll have at least one layover.
How long is the flight?
2 hours 15 minutes
This is the shortest flight time from Chicago to Philadelphia.
Alternative flights from the UK to Philadelphia
Check out prices for other routes
Alternative flights from Chicago
You might find cheaper flights nearby
Today alone, Netflights has searched over five flights. 05 / Feb / 2026 is currently the lowest priced day of the year to fly the Chicago/Philadelphia route. There are around 35 flights on any given week from the UK to Philadelphia and the cheapest month to fly right now is February. Not suitable? Try running another search or viewing all cheap flight deals.
How to get cheap flights from Chicago to Philadelphia
Tips and advice from our flight experts
You've searched for flights from Chicago to Philadelphia. We've found 25 flights and compared them to give you the best offer. Spirit Airlines is, on average, the cheapest for this route. Look out for them! The cheapest offer we've found is a one-way ticket for the route on 26/06/2026 at 17:50 at £36.
We've scanned hundreds of airfares from dozens of airlines across the globe. In total, we've found 10 airlines that operate the 1,200 km flight from Chicago to Philadelphia.
To find the best offers, book in advance or look for last-minute deals. Consider flying with Spirit Airlines, which is popular and offers competitive prices. The average flight duration is about 2 hours 15 minutes. After selecting an offer, fill out your information and proceed to payment. Don't forget to check our flight + hotel service to save time and money!
Other popular destinations near Philadelphia
Where other people are flying to
