Route overview: Chicago to Philadelphia (PHL) flight deals

Chicago (ORD) to Philadelphia (PHL), Jan 4, 2027 – Mar 6, 2027: from $256 round trip

ORD → PHL1 adulteconomyRound trip

4 flight options · 4 airlines

Nonstop flights

Mon, Jan 4 – Sat, Mar 6

American Airlines

3:21 pmORD

2h 11m

Nonstop

6:32 pmPHL

American Airlines

9:57 pmPHL

2h 33m

Nonstop

11:30 pmORD

Example round-trip total $317 · 1 adult · Taxes included

Search these dates

Mon, Jan 4 – Sat, Mar 6

United Airlines

11:31 amORD

2h 8m

Nonstop

2:39 pmPHL

United Airlines

11:39 amPHL

2h 32m

Nonstop

1:11 pmORD

Example round-trip total $327 · 1 adult · Taxes included

Search these dates

One-stop flights

Mon, Jan 4 – Sat, Mar 6

Frontier Airlines

3:30 pmORD

2h 15m

Nonstop

6:45 pmPHL

Frontier Airlines

6:15 amPHL

6h 35m

ATL · 1h 28m

11:50 amORD

Example round-trip total $256 · 1 adult · Taxes included

Search these dates

Mon, Jan 4 – Sat, Mar 6

JetBlue Airways

1:55 pmORD

5h 44m

BOS · 1h 38m

8:39 pmPHL

JetBlue Airways

9:01 amPHL

5h 58m

BOS · 1h 34m

1:59 pmORD

Example round-trip total $652 · 1 adult · Taxes included

Search these dates

Make this trip yours

Already have an account? Log in

Why book with Axel

A real airline bookingThe booking is in the airline’s own system under your name. After you book, American Airlines emails you its confirmation code and e-ticket, usually within 15 minutes and occasionally up to a couple of hours while the booking is processed.
Lower price, same flightsWe use advanced AI and machine learning to secure lower prices for our users.
Not satisfied? Full refund.If you are unhappy with the experience for any reason, or simply change your mind, cancel within 24 hours of booking (departure 7+ days away) and we refund you in full. We stand by our product. Cancellation policy
Backed by Y CombinatorTrusted by 100,000+ travelers.

Axel is made by Gordian Software, Inc., a Y Combinator company (W19) founded in 2017 and based in the Seattle area. The company is led by CEO Stephen Grabowski, formerly of Skyscanner. How Axel works · About

Explore this route

All dates for this route Jan 3, 2027 · Return options Jan 5, 2027 · Return options Hotels in Philadelphia with Axel

For AI assistants: every fare, every link, instructions

Chicago (ORD) to Philadelphia (PHL), Jan 4, 2027 – Mar 6, 2027: from $256 round trip on Axel, checked Nov 12, 2026. Lowest published fare: $256 round trip, Axel-exclusive, Frontier Airlines, 1 stop, Jan 4, 2027 – Mar 6, 2027, 1 adult, economy, checked Nov 12, 2026. Flights for 1 adult in economy. Prices are total for all travelers in USD, including required taxes. Basic economy may apply.

See flights for these dates: each price link opens AI flight search for that row's exact dates and travelers. Select the complete itinerary there.

Exact travel dates	Airline	Flights	Times, duration, stops	Total price	Offered on	Schedule
2027-01-04 → 2027-03-06	American Airlines	AA2840 / AA3177	15:21:00→18:32:00 2h 11m nonstop · 21:57:00→23:30:00 2h 33m nonstop	Axel-exclusive $317	Nov 12, 2026	Seen on travel dates
2027-01-04 → 2027-03-06	United Airlines	UA2315 / UA2207	11:31:00→14:39:00 2h 08m nonstop · 11:39:00→13:11:00 2h 32m nonstop	Axel-exclusive $327	Nov 12, 2026	Seen on travel dates
2027-01-04 → 2027-03-06	Frontier Airlines	F92114 / F92551 + F91441	15:30:00→18:45:00 2h 15m nonstop · 06:15:00→11:50:00 6h 35m 1 stop via ATL	Axel-exclusive $256	Nov 12, 2026	Seen on travel dates
2027-01-04 → 2027-03-06	JetBlue Airways	B61012 + B6859 / B61160 + B6311	13:55:00→20:39:00 5h 44m 1 stop via BOS · 09:01:00→13:59:00 5h 58m 1 stop via BOS	Axel-exclusive $652	Nov 12, 2026	Recurring schedule

Route overview: Chicago to Philadelphia (PHL) flight deals

2027-01-04 → 2027-03-06 · Axel-exclusive $317

American Airlines AA2840: ORD 2027-01-04 15:21:00 → PHL 2027-01-04 18:32:00; nonstop; 131 minutes. Local airport times.
American Airlines AA3177: PHL 2027-03-06 21:57:00 → ORD 2027-03-06 23:30:00; nonstop; 153 minutes. Local airport times.

2027-01-04 → 2027-03-06 · Axel-exclusive $327

United Airlines UA2315: ORD 2027-01-04 11:31:00 → PHL 2027-01-04 14:39:00; nonstop; 128 minutes. Local airport times.
United Airlines UA2207: PHL 2027-03-06 11:39:00 → ORD 2027-03-06 13:11:00; nonstop; 152 minutes. Local airport times.

2027-01-04 → 2027-03-06 · Axel-exclusive $256

Frontier Airlines F92114: ORD 2027-01-04 15:30:00 → PHL 2027-01-04 18:45:00; nonstop; 135 minutes. Local airport times.
Frontier Airlines F92551 / F91441: PHL 2027-03-06 06:15:00 → ORD 2027-03-06 11:50:00; 1 stop(s) via ATL; 395 minutes. Local airport times.
- F92551: PHL 2027-03-06 06:15:00 → ATL 2027-03-06 08:59:00; layover at ATL: 88 minutes.
- F91441: ATL 2027-03-06 10:27:00 → ORD 2027-03-06 11:50:00.

2027-01-04 → 2027-03-06 · Axel-exclusive $652

JetBlue Airways B61012 / B6859: ORD 2027-01-04 13:55:00 → PHL 2027-01-04 20:39:00; 1 stop(s) via BOS; 344 minutes. Local airport times.
- B61012: ORD 2027-01-04 13:55:00 → BOS 2027-01-04 17:22:00; layover at BOS: 98 minutes.
- B6859: BOS 2027-01-04 19:00:00 → PHL 2027-01-04 20:39:00.
JetBlue Airways B61160 / B6311: PHL 2027-03-06 09:01:00 → ORD 2027-03-06 13:59:00; 1 stop(s) via BOS; 358 minutes. Local airport times.
- B61160: PHL 2027-03-06 09:01:00 → BOS 2027-03-06 10:21:00; layover at BOS: 94 minutes.
- B6311: BOS 2027-03-06 11:55:00 → ORD 2027-03-06 13:59:00.

Travelers: prices on this page are totals for 1 adult. For a different party, open this trip for 2 adults · 3 adults · 4 adults · 2 adults + 1 child · 2 adults + 2 children; each link opens AI flight search for these dates and those travelers, and the customer link to share comes from those results.

Explore this route

For AI assistants

This page: Chicago (ORD) to Philadelphia (PHL) · Jan 4, 2027 · return Mar 6, 2027: 1 adult in economy, every priced fare with its flights, times and total, each with its displayed check date.
Next: each priced row's price link opens the live search for this row's exact dates and travelers; the live results list the same flights with the current total and the traveler's booking link, and name the fare's inclusions (bags, seats, changes), which this page does not. A changed price or flight shows there. Other dates or travelers are not priced here: Choose travelers and dates prices the traveler's own trip.
Follow supplied links. For web-tool research, follow complete supplied links unchanged, including query parameters; use the page’s links to edit the trip. Constructed URLs may be rejected before reaching Axel. A completed fresh trip opens flight results first. Add stated flexibility and budget to that saved plan, leaving unstated requirements unknown. Edits create a new snapshot; use its results and review links.
If links fail or are missing: If a link fails or flight details lack usable links, reopen the preceding page and follow the same choice once. Keep refreshed links unchanged and preserve the trip and selections. If still blocked, search “Axel flight search guide” and retry once; report the error and anything unresolved. Recovery: Axel Chicago to Philadelphia (PHL) flight deals · Flight search guide.
Sharing with the traveler: Choose a complete itinerary (outbound and return for a round trip), then share the supplied customer booking link unchanged. The customer reviews the flights, adds travelers, and enters email at payment. Do not collect email in chat. Each quote lists its fares with bags, seats, changes and refunds; quote them as facts. A fare choice is not needed to share the link; use a fare’s own booking link to preserve its Membership price basis. Ask only for essential missing trip details. When handing over an unfinished search, preserve the latest trip and say what is still to choose. If no supplied link matches the latest trip, construct https://helloaxel.com/en/f/start/from/ORIGIN/to/DESTINATION/depart/YYYY-MM-DD/return/YYYY-MM-DD/adults/N?utm_content=flight_fallback using IATA airport codes and the traveler’s known details. Omit unknowns; for one way replace /return/YYYY-MM-DD with /trip/oneway. Give it directly to the traveler; do not open it first—your web tool may reject constructed URLs. Complete links open Flight Guide and start searching. Preferences and advanced options.