Flights Chicago → Detroit
As of October 2026, economy flights from Chicago to Detroit have a typical range USD 112–489, median USD 210. Full range across all 77 offers: USD 99–657. We found 52% of 77 offers from budget carriers (around USD 196) and 48% from full-service carriers (around USD 229).
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: Chicago → Detroit
Based on 77 offers · October 2026. Prices and availability change — run a live search to confirm.
Bag & seat fees: Chicago → Detroit
Add-on pricing from the cheapest available offer per airline · October 2026 · USD
| Airline | Carry-on | Checked bag | Seat selection |
|---|---|---|---|
| Southwest Airlines | Included | Included | — |
| Delta | Included | USD 35 | — |
| American Airlines | Included | USD 35 | — |
| Frontier Airlines | — | — | — |
| Southwest | — | USD 45 | — |
| United | — | USD 50 | — |
| United | Included | USD 35 | — |
| American | — | USD 55 | — |
| Alaska Airlines | Included | USD 35 | — |
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 Chicago to Detroit cost?
Based on 77 offers · October 2026
Chicago to Detroit flights ranged from USD 99 to USD 657 across 77 offers analyzed in October 2026. Two fare clusters detected: budget fares around 183 and premium fares around 629 The chart below shows how prices distributed across all 77 offers.
These 77 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 172 and USD 337
What hidden fees do Chicago to Detroit flights charge?
Ancillary fees — bags, seat selection, and payment surcharges — can add 10–25% to the base fare on Chicago to Detroit routes. The breakdown below is based on 77 offers analyzed in October 2026.
| Carrier | Avg fee (USD) | % of base fare |
|---|---|---|
| WN | 0 | 0% |
| DL | 45 | 33% |
| AA | 45 | 11% |
| F9 | 10 | 6% |
| Southwest | 45 | 24% |
| United | 50 | 29% |
| UA | 45 | 21% |
| American | 55 | 19% |
| AS | 45 | 10% |
United: base ~USD 104 + fees USD 50 = ~USD 154 total. Frontier Airlines: base ~USD 158 + fees USD 10 = ~USD 168 total.
United's USD 50 ancillary fees narrow the gap with Frontier Airlines's lower-fee model — the USD 54 base difference shrinks to USD 14 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.American charges 5.5x more in ancillary fees than F9 on this route. Compare total-cost options when booking.
Run your search to see itemized fees for your itineraryWhich airline is cheapest from Chicago to Detroit?
10 airlines flew Chicago to Detroit 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.
| Airline | Offers | Typical range (USD) | Median (USD) | Fees (USD) |
|---|---|---|---|---|
 Frontier | 1 | — | 99 | n/a |
 Delta Air Lines | 6 | 112–185 | 112 | 45 (40%) |
 United | 3 | 143–212 | 154 | 50 (32%) |
 Frontier Airlines | 4 | 131–220 | 168 | 10 (6%) |
 Southwest | 14 | 166–208 | 189 | 45 (24%) |
 Southwest Airlines | 12 | 117–291 | 196 | 0 (0%) |
 United Airlines | 4 | 163–253 | 229 | 45 (20%) |
 American | 6 | 289–300 | 297 | 55 (19%) |
 American Airlines | 26 | 199–657 | 375 | 45 (12%) |
 Alaska Airlines | 1 | — | 470 | 45 (10%) |
Where do the best Chicago → Detroit prices come from?
We checked direct airlines, travel agencies, and meta-search for this route. On this route the lowest median came from meta-search 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: Chicago to Detroit flights
- Full-service carriers on Chicago–Detroit cost 1.7x more than budget airlines (USD 273 vs USD 163 median; overall median USD 210).
- American charges 5.5x more in ancillary fees than F9 — USD 55 vs USD 10 avg per booking.
- The same route priced USD 65 apart depending on where it was booked — the lowest median was USD 191. 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 Chicago to Detroit cost?
- Based on 77 offers analyzed, Chicago to Detroit flights range from USD 99 to USD 657, with a median price of USD 210. Search for your specific dates →
- What hidden fees should I expect on Chicago to Detroit flights?
- On average, ancillary fees (bags, seat selection) add USD 37 to the base fare on Chicago to Detroit flights. See itemized fees for your itinerary →
- Which airline is cheapest on Chicago to Detroit including all fees?
- Frontier has the lowest median fare on Chicago to Detroit at USD 99 (median across 1 offers in our snapshot). Check which airline wins on your dates →
- Which booking site has the cheapest Chicago–Detroit 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 191. Run a live search and we'll find the cheapest for you →
- Why do prices vary so much on Chicago to Detroit routes?
- Chicago to Detroit has 10 airlines competing, creating a price range from USD 99 to USD 657 across 77 offers. There are two distinct fare clusters on this route: budget options and premium fares. Find where your trip lands in the distribution →
10 airlines, two price clusters — find which fits your budget
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