Chicago to Buffalo flights
Routavio compares airline fares from several flight booking sites. The lowest one-way fare it found for Chicago to Buffalo is €97 (checked on 27 Oct 2026).
Your next trip, last seen at €97
Lowest observedWhen to fly
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The lowest fare we observed for each month. Open a month to see its days, then pick your outbound and return. A day with no price is one we will search for you.
One-way fare
- Lowest observed
- €97, departing 3 Nov 2026 (Last checked: 27 Oct 2026)One-way fare · Priced departure days checked in the last 14 days: 3Check live prices for this route
- Airlines seen
- American Airlines, United Airlines, Delta Air Lines, Frontier Airlines, JetBlue
- Reported fastest flight
- 1h 40m
- Non-stop
- Yes
About this route
Explore the fares we observed from Chicago to Buffalo. Prices move often, so pick your dates to see the latest options.
- Route distance
- 727 km
- Reported fastest flight
- 1h 40m
- Alternative airports
- CGX, DPA, MDW, PWK, RFD
Route-level information; individual journeys vary.
Published schedules report non-stop service with American Airlines, United Airlines, Southwest Airlines. Check current timetables.
A clearer picture of your fare
If the observed fare for this date drops, we will email you. At most one message a day.
Non-stop airlines seen on this route
| Airline | Non-stop days / priced days | Fastest non-stop |
|---|---|---|
| United Airlines | 51 / 81 |
Departure days with a non-stop fare checked in the last 14 days. A carrier listed here had a non-stop fare on at least 3 days; schedules may differ.
Airport to city: straight-line distance
- Chicago Midway International Airport (MDW) → Chicago, city gazetteer reference point (41.8781, -87.6298): ≈ 14 km.
- Chicago O'Hare International Airport (ORD) → Chicago, city gazetteer reference point (41.8781, -87.6298): ≈ 25 km.
- Chicago Rockford International Airport (RFD) → Chicago, city gazetteer reference point (41.8781, -87.6298): ≈ 126 km.
- Buffalo Niagara International Airport (BUF) → Buffalo, city gazetteer reference point (42.8864, -78.8784): ≈ 13 km.
Approximate distances calculated from coordinates, not road distances or travel times. These airports serve the city; they are not confirmed endpoints of an offer.
Lowest one-way fare we saw per airline
Cheapest airline from Chicago to Buffalo: Frontier Airlines, from €99 (checked 20 Oct 2026).
| Airline | Lowest fare | Priced days |
|---|---|---|
| Frontier Airlines | €99Dec 3, 2026 | 29 |
| United Airlines | €117Jan 5, 2027 | 51 |
One-way fares checked in the last 14 days. An airline listed here had a fare on at least 3 departure days. Each figure is the lowest we saw, not a guaranteed fare. Connecting itineraries are included; the date is the departure day of that fare.
Frequently asked
How much is a flight from Chicago to Buffalo?
The lowest fare Routavio has observed is €97, found on 27 Oct 2026. Prices move, so read it as a floor rather than a quote.
When is the cheapest month to fly from Chicago to Buffalo?
In our observations November 2026 is the cheapest month so far, at €97.
Are there direct flights from Chicago to Buffalo?
Yes. Published schedules report non-stop flights on this route with American Airlines, United Airlines, Southwest Airlines.
Which airlines fly from Chicago to Buffalo?
Routavio has seen these carriers on the route: American Airlines, United Airlines, Delta Air Lines, Frontier Airlines, JetBlue.
How long does the flight from Chicago to Buffalo take?
Across the 76 fares Routavio observed, the average journey time is 8h 28m, including any stops. Individual departures vary; the fastest observed flight is listed in the route facts above.
How many of the observed Chicago to Buffalo fares were non-stop?
52 of the 79 fares we observed were non-stop; the rest included at least one stop. That describes our observations, not every flight that operates.
Which airlines had non-stop offers on at least 3 departure dates from Chicago to Buffalo?
For Chicago to Buffalo, examples of observed one-way non-stop offers checked within the last 14 days: United Airlines (51). Each number counts distinct departure dates, not weekly flights; check current availability in search.
Which airline has the lowest fare from Chicago to Buffalo?
Cheapest airline from Chicago to Buffalo: Frontier Airlines, from €99 (checked 20 Oct 2026).
How observed prices work, what "No data" means and what a fare includes: Read the flight price guide · Price and schedule freshness on Routavio
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Recently observed fares. Prices may change.