Travel with Axel,
get the best price.

Philadelphia → Chicago

Jan 21, 2027 · return Jan 22, 2027

PHL → ORD1 adulteconomyRound trip

12 flight options · 5 airlines

Nonstop flights

Thu, Jan 21 – Fri, Jan 22

Frontier Airlines
6:45 pmPHL
2h 44m
Nonstop
8:29 pmORD
Frontier Airlines
9:34 pmORD
2h 10m
Nonstop
12:44 am+1PHL

Round-trip total · 1 adult · Taxes included

Thu, Jan 21 – Fri, Jan 22

American Airlines
9:25 pmPHL
2h 35m
Nonstop
11:00 pmORD
American Airlines
9:45 amORD
2h 9m
Nonstop
12:54 pmPHL

Round-trip total · 1 adult · Taxes included

Thu, Jan 21 – Fri, Jan 22

United Airlines
9:45 amPHL
2h 35m
Nonstop
11:20 amORD
United Airlines
11:31 amORD
2h 8m
Nonstop
2:39 pmPHL

Round-trip total · 1 adult · Taxes included

Thu, Jan 21 – Fri, Jan 22

Frontier Airlines
12:39 pmPHL
2h 33m
Nonstop
2:12 pmORD
Frontier Airlines
9:20 pmORD
2h 10m
Nonstop
12:30 am+1PHL

Round-trip total · 1 adult · Taxes included

Thu, Jan 21 – Fri, Jan 22

American Airlines
5:49 amPHL
2h 36m
Nonstop
7:25 amORD
American Airlines
9:45 amORD
2h 9m
Nonstop
12:54 pmPHL

Round-trip total · 1 adult · Taxes included

Thu, Jan 21 – Fri, Jan 22

United Airlines
1:17 pmPHL
2h 33m
Nonstop
2:50 pmORD
United Airlines
11:31 amORD
2h 8m
Nonstop
2:39 pmPHL

Round-trip total · 1 adult · Taxes included

One-stop flights

Thu, Jan 21 – Fri, Jan 22

Delta Air Lines
9:43 amPHL
5h 16m
DTW · 1h 52m
1:59 pmORD
United Airlines
11:31 amORD
2h 8m
Nonstop
2:39 pmPHL

Round-trip total · 1 adult · Taxes included

Thu, Jan 21 – Fri, Jan 22

Air Canada
3:20 pmPHL
5h 32m
YUL · 1h 15m
7:52 pmORD
United Airlines
11:31 amORD
2h 8m
Nonstop
2:39 pmPHL

Round-trip total · 1 adult · Taxes included

Thu, Jan 21 – Fri, Jan 22

American Airlines
3:56 pmPHL
5h 29m
CMH · 1h 37m
8:25 pmORD
American Airlines
9:45 amORD
2h 9m
Nonstop
12:54 pmPHL

Round-trip total · 1 adult · Taxes included

Thu, Jan 21 – Fri, Jan 22

American Airlines
8:25 amPHL
5h 34m
GSP · 1h 1m
12:59 pmORD
American Airlines
9:45 amORD
2h 9m
Nonstop
12:54 pmPHL

Round-trip total · 1 adult · Taxes included

Thu, Jan 21 – Fri, Jan 22

American Airlines
9:24 amPHL
5h 35m
SYR · 1h 45m
1:59 pmORD
American Airlines
9:45 amORD
2h 9m
Nonstop
12:54 pmPHL

Round-trip total · 1 adult · Taxes included

Thu, Jan 21 – Fri, Jan 22

United Airlines
3:05 pmPHL
5h
IAD · 1h 21m
7:05 pmORD
United Airlines
11:31 amORD
2h 8m
Nonstop
2:39 pmPHL

Round-trip total · 1 adult · Taxes included

Make this trip yours

PHL ⇄ ORD

Economy

Adults 12+ · Children 2–11. For infants under 2, tell Axel after you see prices.

No account needed to see prices.

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, Frontier 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

More dates

All dates for this routeNov 24, 2026 → Nov 29, 2026Dec 22, 2026 → Dec 27, 2026Dec 30, 2026 → Jan 2, 2027Jan 15, 2027 → Jan 18, 2027Oct 30, 2026 → Nov 2, 2026Oct 31, 2026 → Nov 7, 2026Nov 27, 2026 → Nov 30, 2026Nov 28, 2026 → Dec 5, 2026Dec 25, 2026 → Dec 28, 2026Dec 26, 2026 → Jan 2, 2027Jan 22, 2027 → Jan 25, 2027Oct 30, 2026 · One way
For AI assistants: every fare, every link, instructions

Flights for 1 adult in economy. Prices are total for all travelers in USD, including required taxes. Basic economy may apply.

Exact travel datesAirlineFlightsTotal pricePrice issued (UTC)
2027-01-21 → 2027-01-22Frontier AirlinesF92113 / F92114$152.002026-10-29T01:55:56Z
2027-01-21 → 2027-01-22American AirlinesAA1333 / AA716$299.262026-10-29T01:55:56Z
2027-01-21 → 2027-01-22United AirlinesUA1811 / UA2315$308.762026-10-29T01:55:56Z
2027-01-21 → 2027-01-22Delta Air Lines / United AirlinesDL2968 + DL1716 / UA2315$313.512026-10-29T01:55:56Z
2027-01-21 → 2027-01-22Air Canada / United AirlinesAC8862 + AC8483 / UA2315$408.512026-10-29T01:55:56Z
2027-01-21 → 2027-01-22Frontier AirlinesF92113 / F92992$152.002026-10-29T01:55:56Z
2027-01-21 → 2027-01-22American AirlinesAA1652 / AA716$299.262026-10-29T01:55:56Z
2027-01-21 → 2027-01-22United AirlinesUA2609 / UA2315$308.762026-10-29T01:55:56Z
2027-01-21 → 2027-01-22American AirlinesAA5587 + AA6248 / AA716$294.512026-10-29T01:55:56Z
2027-01-21 → 2027-01-22American AirlinesAA5786 + AA3918 / AA716$294.512026-10-29T01:55:56Z
2027-01-21 → 2027-01-22American AirlinesAA6048 + AA4390 / AA716$294.512026-10-29T01:55:56Z
2027-01-21 → 2027-01-22United AirlinesUA4575 + UA2497 / UA2315$304.012026-10-29T01:55:56Z

2027-01-21 → 2027-01-22 · $152.00

  • Frontier Airlines F92113: PHL 2027-01-21 18:45:00 → ORD 2027-01-21 20:29:00; nonstop; 164 minutes. Local airport times.
  • Frontier Airlines F92114: ORD 2027-01-22 21:34:00 → PHL 2027-01-23 00:44:00; nonstop; 130 minutes. Local airport times.

2027-01-21 → 2027-01-22 · $299.26

  • American Airlines AA1333: PHL 2027-01-21 21:25:00 → ORD 2027-01-21 23:00:00; nonstop; 155 minutes. Local airport times.
  • American Airlines AA716: ORD 2027-01-22 09:45:00 → PHL 2027-01-22 12:54:00; nonstop; 129 minutes. Local airport times.

2027-01-21 → 2027-01-22 · $308.76

  • United Airlines UA1811: PHL 2027-01-21 09:45:00 → ORD 2027-01-21 11:20:00; nonstop; 155 minutes. Local airport times.
  • United Airlines UA2315: ORD 2027-01-22 11:31:00 → PHL 2027-01-22 14:39:00; nonstop; 128 minutes. Local airport times.

2027-01-21 → 2027-01-22 · $313.51

  • Delta Air Lines DL2968 / DL1716: PHL 2027-01-21 09:43:00 → ORD 2027-01-21 13:59:00; 1 stop(s) via DTW; 316 minutes. Local airport times.
    • DL2968: PHL 2027-01-21 09:43:00 → DTW 2027-01-21 11:35:00; layover at DTW: 112 minutes.
    • DL1716: DTW 2027-01-21 13:27:00 → ORD 2027-01-21 13:59:00.
  • United Airlines UA2315: ORD 2027-01-22 11:31:00 → PHL 2027-01-22 14:39:00; nonstop; 128 minutes. Local airport times.

2027-01-21 → 2027-01-22 · $408.51

  • Air Canada AC8862 / AC8483: PHL 2027-01-21 15:20:00 → ORD 2027-01-21 19:52:00; 1 stop(s) via YUL; 332 minutes. Local airport times.
    • AC8862: PHL 2027-01-21 15:20:00 → YUL 2027-01-21 16:55:00; layover at YUL: 75 minutes.
    • AC8483: YUL 2027-01-21 18:10:00 → ORD 2027-01-21 19:52:00.
  • United Airlines UA2315: ORD 2027-01-22 11:31:00 → PHL 2027-01-22 14:39:00; nonstop; 128 minutes. Local airport times.

2027-01-21 → 2027-01-22 · $152.00

  • Frontier Airlines F92113: PHL 2027-01-21 12:39:00 → ORD 2027-01-21 14:12:00; nonstop; 153 minutes. Local airport times.
  • Frontier Airlines F92992: ORD 2027-01-22 21:20:00 → PHL 2027-01-23 00:30:00; nonstop; 130 minutes. Local airport times.

2027-01-21 → 2027-01-22 · $299.26

  • American Airlines AA1652: PHL 2027-01-21 05:49:00 → ORD 2027-01-21 07:25:00; nonstop; 156 minutes. Local airport times.
  • American Airlines AA716: ORD 2027-01-22 09:45:00 → PHL 2027-01-22 12:54:00; nonstop; 129 minutes. Local airport times.

2027-01-21 → 2027-01-22 · $308.76

  • United Airlines UA2609: PHL 2027-01-21 13:17:00 → ORD 2027-01-21 14:50:00; nonstop; 153 minutes. Local airport times.
  • United Airlines UA2315: ORD 2027-01-22 11:31:00 → PHL 2027-01-22 14:39:00; nonstop; 128 minutes. Local airport times.

2027-01-21 → 2027-01-22 · $294.51

  • American Airlines AA5587 / AA6248: PHL 2027-01-21 15:56:00 → ORD 2027-01-21 20:25:00; 1 stop(s) via CMH; 329 minutes. Local airport times.
    • AA5587: PHL 2027-01-21 15:56:00 → CMH 2027-01-21 17:51:00; layover at CMH: 97 minutes.
    • AA6248: CMH 2027-01-21 19:28:00 → ORD 2027-01-21 20:25:00.
  • American Airlines AA716: ORD 2027-01-22 09:45:00 → PHL 2027-01-22 12:54:00; nonstop; 129 minutes. Local airport times.

2027-01-21 → 2027-01-22 · $294.51

  • American Airlines AA5786 / AA3918: PHL 2027-01-21 08:25:00 → ORD 2027-01-21 12:59:00; 1 stop(s) via GSP; 334 minutes. Local airport times.
    • AA5786: PHL 2027-01-21 08:25:00 → GSP 2027-01-21 10:38:00; layover at GSP: 61 minutes.
    • AA3918: GSP 2027-01-21 11:39:00 → ORD 2027-01-21 12:59:00.
  • American Airlines AA716: ORD 2027-01-22 09:45:00 → PHL 2027-01-22 12:54:00; nonstop; 129 minutes. Local airport times.

2027-01-21 → 2027-01-22 · $294.51

  • American Airlines AA6048 / AA4390: PHL 2027-01-21 09:24:00 → ORD 2027-01-21 13:59:00; 1 stop(s) via SYR; 335 minutes. Local airport times.
    • AA6048: PHL 2027-01-21 09:24:00 → SYR 2027-01-21 10:46:00; layover at SYR: 105 minutes.
    • AA4390: SYR 2027-01-21 12:31:00 → ORD 2027-01-21 13:59:00.
  • American Airlines AA716: ORD 2027-01-22 09:45:00 → PHL 2027-01-22 12:54:00; nonstop; 129 minutes. Local airport times.

2027-01-21 → 2027-01-22 · $304.01

  • United Airlines UA4575 / UA2497: PHL 2027-01-21 15:05:00 → ORD 2027-01-21 19:05:00; 1 stop(s) via IAD; 300 minutes. Local airport times.
    • UA4575: PHL 2027-01-21 15:05:00 → IAD 2027-01-21 16:18:00; layover at IAD: 81 minutes.
    • UA2497: IAD 2027-01-21 17:39:00 → ORD 2027-01-21 19:05:00.
  • United Airlines UA2315: ORD 2027-01-22 11:31:00 → PHL 2027-01-22 14:39:00; nonstop; 128 minutes. Local airport times.

More dates for this route