−29%Verified fare
PHX → Chicago
United States · Frontier · Nonstop
$143 round trip
Usually ~$201 · Dec 2026
Dec 3 → Dec 10 · hotels from ~$169/nightSee it on Google Flights →
29% below the usual price for December 2026 travel from Phoenix Sky Harbor.
| Route | Phoenix (PHX) → Chicago (ORD), United States |
|---|---|
| Price | $143 round trip, economy, one adult |
| Usual price | About $201 (Google Flights' typical price for the same route and dates) |
| Saving | 29% below typical |
| Airline | Frontier |
| Stops | Nonstop |
| Travel month | December 2026 |
| Found | October 2026 |
We found this fare during our daily scan of flights from Phoenix Sky Harbor. It was 29% below what Google Flights considers a typical price for these dates, which is why it made our list. Round-trip fares from PHX to Chicago usually cost around $201.
American, United, Frontier and Southwest fly nonstop from Phoenix to Chicago. The flight takes about 3h 30m.
Nonstop airlines, cheapest months and when to book: Phoenix to Chicago →
Free weekly email with the best verified fares from Phoenix Sky Harbor. Unsubscribe anytime.