Flights Phoenix → Chicago
As of October 2026, economy flights from Phoenix to Chicago have a typical range USD 281–485, median USD 320. Full range across all 150 offers: USD 211–1799. We found 15% of 150 offers from budget carriers (around USD 300) and 85% from full-service carriers (around USD 320).
Preview snapshot — prices change. Search for live results.
Data collected by LetsFG's multi-source price checks — every airline and the major booking sites checked for this route. How we collect data →
Best offers by airline: Phoenix → Chicago
Based on 150 offers · October 2026. Prices and availability change — run a live search to confirm.
Bag & seat fees: Phoenix → Chicago
Add-on pricing from the cheapest available offer per airline · October 2026 · USD
| Airline | Carry-on | Checked bag | Seat selection |
|---|---|---|---|
| Frontier | — | USD 51 | — |
| JetBlue | — | USD 45 | — |
| Alaska | — | USD 45 | — |
| jetBlue | Included | USD 35 | — |
| Southwest Airlines | Included | Included | — |
| American Airlines | Included | USD 35 | — |
| United | Included | USD 35 | — |
| Delta | Included | USD 45 | — |
| Southwest | — | USD 45 | — |
| Delta | — | USD 45 | — |
| Alaska Airlines | Included | — | — |
Fees are estimates from the prices we checked and may not reflect your specific itinerary, booking class, or payment method. Run a live search for exact pricing.
How much do flights from Phoenix to Chicago cost?
Based on 150 offers · October 2026
Phoenix to Chicago flights ranged from USD 211 to USD 1799 across 150 offers analyzed in October 2026. Two fare clusters detected: budget fares around 290 and premium fares around 926 The chart below shows how prices distributed across all 150 offers.
These 150 offers (October 2026) span multiple departure dates and booking windows — your travel dates may fall anywhere in this distribution. Only a live search shows where your specific trip lands.
50% of offers priced between USD 310 and USD 427
What hidden fees do Phoenix to Chicago flights charge?
Ancillary fees — bags, seat selection, and payment surcharges — can add 10–25% to the base fare on Phoenix to Chicago routes. The breakdown below is based on 150 offers analyzed in October 2026.
| Carrier | Avg fee (USD) | % of base fare |
|---|---|---|
| F9 | 56 | 23% |
| JetBlue | 45 | 16% |
| Alaska | 45 | 16% |
| B6 | 45 | 15% |
| WN | 23 | 6% |
| AA | 50 | 12% |
| UA | 33 | 6% |
| DL | 33 | 9% |
| Southwest | 45 | 14% |
| Delta | 45 | 14% |
| AS | 10 | 2% |
Frontier Airlines: base ~USD 171 + fees USD 56 = ~USD 227 total. Alaska Airlines: base ~USD 426 + fees USD 10 = ~USD 436 total.
Frontier Airlines's USD 56 ancillary fees narrow the gap with Alaska Airlines's lower-fee model — the USD 255 base difference shrinks to USD 209 after fees. Always compare total cost, not just the advertised base fare.
Estimates based on median total minus average ancillary fee. Actual base fares vary by itinerary.Fee levels vary significantly across carriers on this route — some carriers charge 50%+ above the base fare in ancillary fees.
Run your search to see itemized fees for your itineraryWhich airline is cheapest from Phoenix to Chicago?
12 airlines flew Phoenix to Chicago in this dataset. The route shows a clear split between low-cost and full-service carriers. Knowing the airline isn't enough — the typical fare range below shows how far prices swing on each one. Median and range include all fees we recorded.
Even on the cheapest airline (Frontier Airlines), fares ranged USD 211–285 in this snapshot. Your exact price depends on your dates and how far ahead you book — run a live search to see your number →
| Airline | Offers | Typical range (USD) | Median (USD) | Fees (USD) |
|---|---|---|---|---|
 Frontier Airlines | 5 | 211–285 | 227 | 56 (25%) |
 Frontier | 6 | — | 227 | n/a |
 JetBlue | 1 | — | 280 | 45 (16%) |
 Alaska | 9 | — | 281 | 45 (16%) |
 B6 | 1 | — | 300 | 45 (15%) |
 American Airlines | 41 | 310–652 | 320 | 50 (16%) |
 United Airlines | 25 | 310–945 | 320 | 33 (10%) |
 Southwest | 7 | — | 321 | 45 (14%) |
 Delta | 3 | — | 321 | 45 (14%) |
 Southwest Airlines | 48 | 310–427 | 348 | 23 (6%) |
 Delta Air Lines | 2 | 333–425 | 379 | 33 (9%) |
 Alaska Airlines | 2 | — | 436 | 10 (2%) |
Where do the best Phoenix → Chicago prices come from?
We checked direct airlines, travel agencies, and meta-search for this route. On this route the lowest median came from travel agency sources, but the cheapest channel shifts by route and date — which is exactly why a live search across all of them wins.
We compare every airline and the major booking sites but never disclose which — that's our edge. Prices are the ones we observed and aren't official data from any platform. Run a live search and we bring you the cheapest, wherever it is.
Key facts: Phoenix to Chicago flights
- Full-service carriers on Phoenix–Chicago cost 1.2x more than budget airlines (USD 343 vs USD 284 median; overall median USD 320).
- F9 charges 5.6x more in ancillary fees than AS — USD 56 vs USD 10 avg per booking.
- The same route priced USD 146 apart depending on where it was booked — the lowest median was USD 281. We search every airline and the major booking sites at once so you always see that lowest price.
Frequently asked questions
- How much does a flight from Phoenix to Chicago cost?
- Based on 150 offers analyzed, Phoenix to Chicago flights range from USD 211 to USD 1799, with a median price of USD 320. Search for your specific dates →
- What hidden fees should I expect on Phoenix to Chicago flights?
- On average, ancillary fees (bags, seat selection) add USD 37 to the base fare on Phoenix to Chicago flights. See itemized fees for your itinerary →
- Which airline is cheapest on Phoenix to Chicago including all fees?
- Frontier Airlines has the lowest median fare on Phoenix to Chicago at USD 227 (median across 5 offers in our snapshot). Check which airline wins on your dates →
- Which booking site has the cheapest Phoenix–Chicago flights?
- It depends on your dates — no single site is always cheapest. We search every airline and the major booking sites at once (travel agencies and meta-search included) and surface whichever is lowest; the best median in this snapshot was USD 281. Run a live search and we'll find the cheapest for you →
- Why do prices vary so much on Phoenix to Chicago routes?
- Phoenix to Chicago has 12 airlines competing, creating a price range from USD 211 to USD 1799 across 150 offers. There are two distinct fare clusters on this route: budget options and premium fares. Find where your trip lands in the distribution →
12 airlines, two price clusters — find which fits your budget
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