Flights Buffalo → Chicago
As of August 2026, economy flights from Buffalo to Chicago have a typical range USD 270–682, median USD 408. Full range across all 113 offers: USD 223–1379. We analyzed 113 offers from 6 airlines in a single price check.
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: Buffalo → Chicago
Based on 113 offers · August 2026. Prices and availability change — run a live search to confirm.
Bag & seat fees: Buffalo → Chicago
Add-on pricing from the cheapest available offer per airline · August 2026 · USD
| Airline | Carry-on | Checked bag | Seat selection |
|---|---|---|---|
| American Airlines | Included | Included | — |
| United Airlines | Included | Included | — |
| Delta | 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 Buffalo to Chicago cost?
Based on 113 offers · August 2026
Buffalo to Chicago flights ranged from USD 223 to USD 1379 across 113 offers analyzed in August 2026. The chart below shows how prices distributed across all 113 offers.
These 113 offers (August 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 270 and USD 517
What hidden fees do Buffalo to Chicago flights charge?
Ancillary fees — bags, seat selection, and payment surcharges — can add 10–25% to the base fare on Buffalo to Chicago routes. The breakdown below is based on 113 offers analyzed in August 2026.
| Carrier | Avg fee (USD) | % of base fare |
|---|---|---|
| AA | 23 | 6% |
| UA | 30 | 5% |
| DL | 10 | 2% |
American Airlines: base ~USD 247 + fees USD 23 = ~USD 270 total. Delta Air Lines: base ~USD 421 + fees USD 10 = ~USD 431 total.
American Airlines's USD 23 ancillary fees narrow the gap with Delta Air Lines's lower-fee model — the USD 174 base difference shrinks to USD 161 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 Buffalo to Chicago?
6 airlines flew Buffalo to Chicago in this dataset. 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 (American), fares ranged USD 260–408 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) |
|---|---|---|---|---|
 American | 22 | 260–408 | 270 | n/a |
 American Airlines | 38 | 260–659 | 270 | 23 (8%) |
 United | 7 | 292–431 | 343 | n/a |
 Delta | 11 | 420–485 | 420 | n/a |
 Delta Air Lines | 12 | 420–700 | 431 | 10 (2%) |
 United Airlines | 23 | 320–693 | 559 | 30 (5%) |
Where do the best Buffalo → Chicago 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: Buffalo to Chicago flights
- Buffalo–Chicago had 113 offers analyzed. Median price: USD 408.
- UA charges 3.0x more in ancillary fees than DL — USD 30 vs USD 10 avg per booking.
- The same route priced USD 434 apart depending on where it was booked — the lowest median was USD 258. 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 Buffalo to Chicago cost?
- Based on 113 offers analyzed, Buffalo to Chicago flights range from USD 223 to USD 1379, with a median price of USD 408. Search for your specific dates →
- What hidden fees should I expect on Buffalo to Chicago flights?
- On average, ancillary fees (bags, seat selection) add USD 23 to the base fare on Buffalo to Chicago flights. See itemized fees for your itinerary →
- Which airline is cheapest on Buffalo to Chicago including all fees?
- American has the lowest median fare on Buffalo to Chicago at USD 270 (median across 22 offers in our snapshot). Check which airline wins on your dates →
- Which booking site has the cheapest Buffalo–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 258. Run a live search and we'll find the cheapest for you →
- Why do prices vary so much on Buffalo to Chicago routes?
- Buffalo to Chicago has 6 airlines competing, creating a price range from USD 223 to USD 1379 across 113 offers. Prices on this route change with booking timing, advance purchase, and ancillary add-ons. Find where your trip lands in the distribution →
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