Travel with Axel,
get the best price.

Chicago → Prague

Choose your travel dates

ORD → PRG1 adulteconomy

18 flight options · 5 airlines

Round-trip flights

Fri, Nov 20 – Mon, Nov 23

Aer Lingus
3:55 pmORD
12h 5m
DUB · 2h 10m
11:00 am+1PRG
Brussels Airlines
6:50 amPRG
12h 20m
BRU · 1h 45m
12:10 pmORD

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 4

KLM Royal Dutch Airlines
4:25 pmORD
11h 25m
AMS · 2h 5m
10:50 am+1PRG
KLM Royal Dutch Airlines
8:55 amPRG
12h 30m
AMS · 1h 55m
2:25 pmORD

Round-trip total · 1 adult · Taxes included

Fri, Nov 20 – Mon, Nov 23

Austrian Airlines
4:20 pmORD
11h
VIE · 1h 20m
10:20 am+1PRG
Brussels Airlines
6:50 amPRG
12h 20m
BRU · 1h 45m
12:10 pmORD

Round-trip total · 1 adult · Taxes included

Fri, Nov 20 – Mon, Nov 23

United Airlines
6:00 pmORD
12h 5m
MUC · 2h 40m
1:05 pm+1PRG
Brussels Airlines
6:50 amPRG
12h 20m
BRU · 1h 45m
12:10 pmORD

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 4

Swiss International Air Lines
6:50 pmORD
12h 5m
ZRH · 1h 55m
1:55 pm+1PRG
Swiss International Air Lines
6:45 amPRG
12h 55m
ZRH · 1h 30m
12:40 pmORD

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 4

Aer Lingus
3:55 pmORD
12h 5m
DUB · 2h 10m
11:00 am+1PRG
Swiss International Air Lines
6:45 amPRG
12h 55m
ZRH · 1h 30m
12:40 pmORD

Round-trip total · 1 adult · Taxes included

Fri, Nov 20 – Mon, Nov 23

KLM Royal Dutch Airlines
4:25 pmORD
11h 25m
AMS · 2h 5m
10:50 am+1PRG
KLM Royal Dutch Airlines
8:55 amPRG
12h 30m
AMS · 1h 55m
2:25 pmORD

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 4

Austrian Airlines
4:20 pmORD
11h
VIE · 1h 20m
10:20 am+1PRG
Swiss International Air Lines
6:45 amPRG
12h 55m
ZRH · 1h 30m
12:40 pmORD

Round-trip total · 1 adult · Taxes included

Show 4 more flights

Fri, Nov 20 – Mon, Nov 23

United Airlines
3:15 pmORD
11h 25m
FRA · 2h
9:40 am+1PRG
Brussels Airlines
6:50 amPRG
12h 20m
BRU · 1h 45m
12:10 pmORD

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 4

United Airlines
3:15 pmORD
11h 25m
FRA · 2h
9:40 am+1PRG
Swiss International Air Lines
6:45 amPRG
12h 55m
ZRH · 1h 30m
12:40 pmORD

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 4

United Airlines
6:00 pmORD
12h 5m
MUC · 2h 40m
1:05 pm+1PRG
Swiss International Air Lines
6:45 amPRG
12h 55m
ZRH · 1h 30m
12:40 pmORD

Round-trip total · 1 adult · Taxes included

Fri, Nov 20 – Mon, Nov 23

Swiss International Air Lines
6:50 pmORD
12h 5m
ZRH · 1h 55m
1:55 pm+1PRG
Swiss International Air Lines
6:45 amPRG
12h 55m
ZRH · 1h 30m
12:40 pmORD

Round-trip total · 1 adult · Taxes included

One-way flights

Fri, Nov 20 · One way

Aer Lingus
3:55 pmORD
12h 5m
DUB · 2h 10m
11:00 am+1PRG

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

Austrian Airlines
4:20 pmORD
11h
VIE · 1h 20m
10:20 am+1PRG

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

KLM Royal Dutch Airlines
4:25 pmORD
11h 25m
AMS · 2h 5m
10:50 am+1PRG

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

Swiss International Air Lines
6:50 pmORD
12h 5m
ZRH · 1h 55m
1:55 pm+1PRG

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

United Airlines
6:00 pmORD
12h 5m
MUC · 2h 40m
1:05 pm+1PRG

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

United Airlines
3:15 pmORD
11h 25m
FRA · 2h
9:40 am+1PRG

One-way total · 1 adult · Taxes included

Make this trip yours

ORD ⇄ PRG

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, Aer Lingus 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.
  • 24-hour cancellationCancel within 24 hours of booking for a full refund when your departure is at least 7 days away. Closer to departure, the airline’s fare rules apply. 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

Nov 20, 2026 → Nov 23, 2026Nov 27, 2026 → Dec 4, 2026Nov 20, 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)
2026-11-20 · one wayAer LingusEI122 + EI642$509.602026-10-29T01:53:15Z
2026-11-20 · one wayAustrian AirlinesOS46 + OS643$634.402026-10-29T01:53:15Z
2026-11-20 · one wayKLM Royal Dutch AirlinesKL612 + KL1353$634.402026-10-29T01:53:15Z
2026-11-20 · one waySwiss International Air LinesLX9 + LX1486$676.002026-10-29T01:53:15Z
2026-11-20 · one wayUnited AirlinesUA953 + LH1690$676.002026-10-29T01:53:15Z
2026-11-20 → 2026-11-23Aer Lingus / Brussels AirlinesEI122 + EI642 / SN2816 + UA973$759.202026-10-29T01:53:15Z
2026-11-27 → 2026-12-04KLM Royal Dutch AirlinesKL612 + KL1353 / KL1352 + KL611$816.002026-10-29T01:53:15Z
2026-11-20 → 2026-11-23Austrian Airlines / Brussels AirlinesOS46 + OS643 / SN2816 + UA973$816.402026-10-29T01:53:15Z
2026-11-20 → 2026-11-23United Airlines / Brussels AirlinesUA953 + LH1690 / SN2816 + UA973$842.402026-10-29T01:53:15Z
2026-11-27 → 2026-12-04Swiss International Air LinesLX9 + LX1486 / LX1483 + UA12$867.002026-10-29T01:53:15Z
2026-11-20 · one wayUnited AirlinesUA944 + LH1392$676.002026-10-29T01:53:15Z
2026-11-27 → 2026-12-04Aer Lingus / Swiss International Air LinesEI122 + EI642 / LX1483 + UA12$783.802026-10-29T01:53:15Z
2026-11-20 → 2026-11-23KLM Royal Dutch AirlinesKL612 + KL1353 / KL1352 + KL611$832.002026-10-29T01:53:15Z
2026-11-27 → 2026-12-04Austrian Airlines / Swiss International Air LinesOS46 + OS643 / LX1483 + UA12$841.002026-10-29T01:53:15Z
2026-11-20 → 2026-11-23United Airlines / Brussels AirlinesUA944 + LH1392 / SN2816 + UA973$842.402026-10-29T01:53:15Z
2026-11-27 → 2026-12-04United Airlines / Swiss International Air LinesUA944 + LH1392 / LX1483 + UA12$867.002026-10-29T01:53:15Z
2026-11-27 → 2026-12-04United Airlines / Swiss International Air LinesUA953 + LH1690 / LX1483 + UA12$867.002026-10-29T01:53:15Z
2026-11-20 → 2026-11-23Swiss International Air LinesLX9 + LX1486 / LX1483 + UA12$884.002026-10-29T01:53:15Z

2026-11-20 · one way · $509.60

  • Aer Lingus EI122 / EI642: ORD 2026-11-20 15:55:00 → PRG 2026-11-21 11:00:00; 1 stop(s) via DUB; 725 minutes. Local airport times.
    • EI122: ORD 2026-11-20 15:55:00 → DUB 2026-11-21 05:15:00; layover at DUB: 130 minutes.
    • EI642: DUB 2026-11-21 07:25:00 → PRG 2026-11-21 11:00:00.

2026-11-20 · one way · $634.40

  • Austrian Airlines OS46 / OS643: ORD 2026-11-20 16:20:00 → PRG 2026-11-21 10:20:00; 1 stop(s) via VIE; 660 minutes. Local airport times.
    • OS46: ORD 2026-11-20 16:20:00 → VIE 2026-11-21 08:05:00; layover at VIE: 80 minutes.
    • OS643: VIE 2026-11-21 09:25:00 → PRG 2026-11-21 10:20:00.

2026-11-20 · one way · $634.40

  • KLM Royal Dutch Airlines KL612 / KL1353: ORD 2026-11-20 16:25:00 → PRG 2026-11-21 10:50:00; 1 stop(s) via AMS; 685 minutes. Local airport times.
    • KL612: ORD 2026-11-20 16:25:00 → AMS 2026-11-21 07:15:00; layover at AMS: 125 minutes.
    • KL1353: AMS 2026-11-21 09:20:00 → PRG 2026-11-21 10:50:00.

2026-11-20 · one way · $676.00

  • Swiss International Air Lines LX9 / LX1486: ORD 2026-11-20 18:50:00 → PRG 2026-11-21 13:55:00; 1 stop(s) via ZRH; 725 minutes. Local airport times.
    • LX9: ORD 2026-11-20 18:50:00 → ZRH 2026-11-21 10:40:00; layover at ZRH: 115 minutes.
    • LX1486: ZRH 2026-11-21 12:35:00 → PRG 2026-11-21 13:55:00.

2026-11-20 · one way · $676.00

  • United Airlines UA953 / LH1690: ORD 2026-11-20 18:00:00 → PRG 2026-11-21 13:05:00; 1 stop(s) via MUC; 725 minutes. Local airport times.
    • UA953: ORD 2026-11-20 18:00:00 → MUC 2026-11-21 09:35:00; layover at MUC: 160 minutes.
    • LH1690: MUC 2026-11-21 12:15:00 → PRG 2026-11-21 13:05:00.

2026-11-20 → 2026-11-23 · $759.20

  • Aer Lingus EI122 / EI642: ORD 2026-11-20 15:55:00 → PRG 2026-11-21 11:00:00; 1 stop(s) via DUB; 725 minutes. Local airport times.
    • EI122: ORD 2026-11-20 15:55:00 → DUB 2026-11-21 05:15:00; layover at DUB: 130 minutes.
    • EI642: DUB 2026-11-21 07:25:00 → PRG 2026-11-21 11:00:00.
  • Brussels Airlines SN2816 / UA973: PRG 2026-11-23 06:50:00 → ORD 2026-11-23 12:10:00; 1 stop(s) via BRU; 740 minutes. Local airport times.
    • SN2816: PRG 2026-11-23 06:50:00 → BRU 2026-11-23 08:25:00; layover at BRU: 105 minutes.
    • UA973: BRU 2026-11-23 10:10:00 → ORD 2026-11-23 12:10:00.

2026-11-27 → 2026-12-04 · $816.00

  • KLM Royal Dutch Airlines KL612 / KL1353: ORD 2026-11-27 16:25:00 → PRG 2026-11-28 10:50:00; 1 stop(s) via AMS; 685 minutes. Local airport times.
    • KL612: ORD 2026-11-27 16:25:00 → AMS 2026-11-28 07:15:00; layover at AMS: 125 minutes.
    • KL1353: AMS 2026-11-28 09:20:00 → PRG 2026-11-28 10:50:00.
  • KLM Royal Dutch Airlines KL1352 / KL611: PRG 2026-12-04 08:55:00 → ORD 2026-12-04 14:25:00; 1 stop(s) via AMS; 750 minutes. Local airport times.
    • KL1352: PRG 2026-12-04 08:55:00 → AMS 2026-12-04 10:35:00; layover at AMS: 115 minutes.
    • KL611: AMS 2026-12-04 12:30:00 → ORD 2026-12-04 14:25:00.

2026-11-20 → 2026-11-23 · $816.40

  • Austrian Airlines OS46 / OS643: ORD 2026-11-20 16:20:00 → PRG 2026-11-21 10:20:00; 1 stop(s) via VIE; 660 minutes. Local airport times.
    • OS46: ORD 2026-11-20 16:20:00 → VIE 2026-11-21 08:05:00; layover at VIE: 80 minutes.
    • OS643: VIE 2026-11-21 09:25:00 → PRG 2026-11-21 10:20:00.
  • Brussels Airlines SN2816 / UA973: PRG 2026-11-23 06:50:00 → ORD 2026-11-23 12:10:00; 1 stop(s) via BRU; 740 minutes. Local airport times.
    • SN2816: PRG 2026-11-23 06:50:00 → BRU 2026-11-23 08:25:00; layover at BRU: 105 minutes.
    • UA973: BRU 2026-11-23 10:10:00 → ORD 2026-11-23 12:10:00.

2026-11-20 → 2026-11-23 · $842.40

  • United Airlines UA953 / LH1690: ORD 2026-11-20 18:00:00 → PRG 2026-11-21 13:05:00; 1 stop(s) via MUC; 725 minutes. Local airport times.
    • UA953: ORD 2026-11-20 18:00:00 → MUC 2026-11-21 09:35:00; layover at MUC: 160 minutes.
    • LH1690: MUC 2026-11-21 12:15:00 → PRG 2026-11-21 13:05:00.
  • Brussels Airlines SN2816 / UA973: PRG 2026-11-23 06:50:00 → ORD 2026-11-23 12:10:00; 1 stop(s) via BRU; 740 minutes. Local airport times.
    • SN2816: PRG 2026-11-23 06:50:00 → BRU 2026-11-23 08:25:00; layover at BRU: 105 minutes.
    • UA973: BRU 2026-11-23 10:10:00 → ORD 2026-11-23 12:10:00.

2026-11-27 → 2026-12-04 · $867.00

  • Swiss International Air Lines LX9 / LX1486: ORD 2026-11-27 18:50:00 → PRG 2026-11-28 13:55:00; 1 stop(s) via ZRH; 725 minutes. Local airport times.
    • LX9: ORD 2026-11-27 18:50:00 → ZRH 2026-11-28 10:40:00; layover at ZRH: 115 minutes.
    • LX1486: ZRH 2026-11-28 12:35:00 → PRG 2026-11-28 13:55:00.
  • Swiss International Air Lines LX1483 / UA12: PRG 2026-12-04 06:45:00 → ORD 2026-12-04 12:40:00; 1 stop(s) via ZRH; 775 minutes. Local airport times.
    • LX1483: PRG 2026-12-04 06:45:00 → ZRH 2026-12-04 08:10:00; layover at ZRH: 90 minutes.
    • UA12: ZRH 2026-12-04 09:40:00 → ORD 2026-12-04 12:40:00.

2026-11-20 · one way · $676.00

  • United Airlines UA944 / LH1392: ORD 2026-11-20 15:15:00 → PRG 2026-11-21 09:40:00; 1 stop(s) via FRA; 685 minutes. Local airport times.
    • UA944: ORD 2026-11-20 15:15:00 → FRA 2026-11-21 06:35:00; layover at FRA: 120 minutes.
    • LH1392: FRA 2026-11-21 08:35:00 → PRG 2026-11-21 09:40:00.

2026-11-27 → 2026-12-04 · $783.80

  • Aer Lingus EI122 / EI642: ORD 2026-11-27 15:55:00 → PRG 2026-11-28 11:00:00; 1 stop(s) via DUB; 725 minutes. Local airport times.
    • EI122: ORD 2026-11-27 15:55:00 → DUB 2026-11-28 05:15:00; layover at DUB: 130 minutes.
    • EI642: DUB 2026-11-28 07:25:00 → PRG 2026-11-28 11:00:00.
  • Swiss International Air Lines LX1483 / UA12: PRG 2026-12-04 06:45:00 → ORD 2026-12-04 12:40:00; 1 stop(s) via ZRH; 775 minutes. Local airport times.
    • LX1483: PRG 2026-12-04 06:45:00 → ZRH 2026-12-04 08:10:00; layover at ZRH: 90 minutes.
    • UA12: ZRH 2026-12-04 09:40:00 → ORD 2026-12-04 12:40:00.

2026-11-20 → 2026-11-23 · $832.00

  • KLM Royal Dutch Airlines KL612 / KL1353: ORD 2026-11-20 16:25:00 → PRG 2026-11-21 10:50:00; 1 stop(s) via AMS; 685 minutes. Local airport times.
    • KL612: ORD 2026-11-20 16:25:00 → AMS 2026-11-21 07:15:00; layover at AMS: 125 minutes.
    • KL1353: AMS 2026-11-21 09:20:00 → PRG 2026-11-21 10:50:00.
  • KLM Royal Dutch Airlines KL1352 / KL611: PRG 2026-11-23 08:55:00 → ORD 2026-11-23 14:25:00; 1 stop(s) via AMS; 750 minutes. Local airport times.
    • KL1352: PRG 2026-11-23 08:55:00 → AMS 2026-11-23 10:35:00; layover at AMS: 115 minutes.
    • KL611: AMS 2026-11-23 12:30:00 → ORD 2026-11-23 14:25:00.

2026-11-27 → 2026-12-04 · $841.00

  • Austrian Airlines OS46 / OS643: ORD 2026-11-27 16:20:00 → PRG 2026-11-28 10:20:00; 1 stop(s) via VIE; 660 minutes. Local airport times.
    • OS46: ORD 2026-11-27 16:20:00 → VIE 2026-11-28 08:05:00; layover at VIE: 80 minutes.
    • OS643: VIE 2026-11-28 09:25:00 → PRG 2026-11-28 10:20:00.
  • Swiss International Air Lines LX1483 / UA12: PRG 2026-12-04 06:45:00 → ORD 2026-12-04 12:40:00; 1 stop(s) via ZRH; 775 minutes. Local airport times.
    • LX1483: PRG 2026-12-04 06:45:00 → ZRH 2026-12-04 08:10:00; layover at ZRH: 90 minutes.
    • UA12: ZRH 2026-12-04 09:40:00 → ORD 2026-12-04 12:40:00.

2026-11-20 → 2026-11-23 · $842.40

  • United Airlines UA944 / LH1392: ORD 2026-11-20 15:15:00 → PRG 2026-11-21 09:40:00; 1 stop(s) via FRA; 685 minutes. Local airport times.
    • UA944: ORD 2026-11-20 15:15:00 → FRA 2026-11-21 06:35:00; layover at FRA: 120 minutes.
    • LH1392: FRA 2026-11-21 08:35:00 → PRG 2026-11-21 09:40:00.
  • Brussels Airlines SN2816 / UA973: PRG 2026-11-23 06:50:00 → ORD 2026-11-23 12:10:00; 1 stop(s) via BRU; 740 minutes. Local airport times.
    • SN2816: PRG 2026-11-23 06:50:00 → BRU 2026-11-23 08:25:00; layover at BRU: 105 minutes.
    • UA973: BRU 2026-11-23 10:10:00 → ORD 2026-11-23 12:10:00.

2026-11-27 → 2026-12-04 · $867.00

  • United Airlines UA944 / LH1392: ORD 2026-11-27 15:15:00 → PRG 2026-11-28 09:40:00; 1 stop(s) via FRA; 685 minutes. Local airport times.
    • UA944: ORD 2026-11-27 15:15:00 → FRA 2026-11-28 06:35:00; layover at FRA: 120 minutes.
    • LH1392: FRA 2026-11-28 08:35:00 → PRG 2026-11-28 09:40:00.
  • Swiss International Air Lines LX1483 / UA12: PRG 2026-12-04 06:45:00 → ORD 2026-12-04 12:40:00; 1 stop(s) via ZRH; 775 minutes. Local airport times.
    • LX1483: PRG 2026-12-04 06:45:00 → ZRH 2026-12-04 08:10:00; layover at ZRH: 90 minutes.
    • UA12: ZRH 2026-12-04 09:40:00 → ORD 2026-12-04 12:40:00.

2026-11-27 → 2026-12-04 · $867.00

  • United Airlines UA953 / LH1690: ORD 2026-11-27 18:00:00 → PRG 2026-11-28 13:05:00; 1 stop(s) via MUC; 725 minutes. Local airport times.
    • UA953: ORD 2026-11-27 18:00:00 → MUC 2026-11-28 09:35:00; layover at MUC: 160 minutes.
    • LH1690: MUC 2026-11-28 12:15:00 → PRG 2026-11-28 13:05:00.
  • Swiss International Air Lines LX1483 / UA12: PRG 2026-12-04 06:45:00 → ORD 2026-12-04 12:40:00; 1 stop(s) via ZRH; 775 minutes. Local airport times.
    • LX1483: PRG 2026-12-04 06:45:00 → ZRH 2026-12-04 08:10:00; layover at ZRH: 90 minutes.
    • UA12: ZRH 2026-12-04 09:40:00 → ORD 2026-12-04 12:40:00.

2026-11-20 → 2026-11-23 · $884.00

  • Swiss International Air Lines LX9 / LX1486: ORD 2026-11-20 18:50:00 → PRG 2026-11-21 13:55:00; 1 stop(s) via ZRH; 725 minutes. Local airport times.
    • LX9: ORD 2026-11-20 18:50:00 → ZRH 2026-11-21 10:40:00; layover at ZRH: 115 minutes.
    • LX1486: ZRH 2026-11-21 12:35:00 → PRG 2026-11-21 13:55:00.
  • Swiss International Air Lines LX1483 / UA12: PRG 2026-11-23 06:45:00 → ORD 2026-11-23 12:40:00; 1 stop(s) via ZRH; 775 minutes. Local airport times.
    • LX1483: PRG 2026-11-23 06:45:00 → ZRH 2026-11-23 08:10:00; layover at ZRH: 90 minutes.
    • UA12: ZRH 2026-11-23 09:40:00 → ORD 2026-11-23 12:40:00.

More dates for this route