$77 Cheap Flights from Buffalo (BUF) to Chicago (MDW)

View $77 flight on Fri, Oct 24, 2025Opens in a new window

Popular airlines from Buffalo Niagara Intl. Airport (BUF) to Chicago Midway Airport (MDW)

Cheap Flights from Buffalo to Chicago (BUF-MDW)

Prices were available within the past 7 days and start at $77 for one-way flights and $154 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Fri, Oct 24 - Mon, Nov 3
BUF
Buffalo
MDW
Chicago
$154 Roundtrip, found 3 hours ago
$154
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Fri, Oct 24 from Buffalo to Chicago, returning Mon, Nov 3, priced at $154 found 3 hours ago
Frontier Airlines
Sun, Sep 7 - Sat, Sep 13
BUF
Buffalo
MDW
Chicago
$160 Roundtrip, found 14 hours ago
$160
Roundtrip
found 14 hours ago
Select Frontier Airlines flight, departing Sun, Sep 7 from Buffalo to Chicago, returning Sat, Sep 13, priced at $160 found 14 hours ago
Frontier Airlines
Fri, Sep 26 - Sun, Sep 28
BUF
Buffalo
MDW
Chicago
$167 Roundtrip, just found
$167
Roundtrip
just found
Select Frontier Airlines flight, departing Fri, Sep 26 from Buffalo to Chicago, returning Sun, Sep 28, priced at $167 just found
Frontier Airlines
Sat, Sep 6 - Mon, Sep 8
BUF
Buffalo
MDW
Chicago
$175 Roundtrip, found 14 hours ago
$175
Roundtrip
found 14 hours ago
Select Frontier Airlines flight, departing Sat, Sep 6 from Buffalo to Chicago, returning Mon, Sep 8, priced at $175 found 14 hours ago
Frontier Airlines
Mon, Oct 27 - Thu, Oct 30
BUF
Buffalo
MDW
Chicago
$186 Roundtrip, found 6 days ago
$186
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Mon, Oct 27 from Buffalo to Chicago, returning Thu, Oct 30, priced at $186 found 6 days ago
Frontier Airlines
Fri, Oct 3 - Sun, Oct 5
BUF
Buffalo
MDW
Chicago
$186 Roundtrip, found 6 hours ago
$186
Roundtrip
found 6 hours ago
Select Frontier Airlines flight, departing Fri, Oct 3 from Buffalo to Chicago, returning Sun, Oct 5, priced at $186 found 6 hours ago
Frontier Airlines
Sun, Oct 26 - Thu, Oct 30
BUF
Buffalo
MDW
Chicago
$190 Roundtrip, found 6 days ago
$190
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Sun, Oct 26 from Buffalo to Chicago, returning Thu, Oct 30, priced at $190 found 6 days ago
Frontier Airlines
Sat, Aug 30 - Sun, Sep 7
BUF
Buffalo
MDW
Chicago
$190 Roundtrip, found 1 day ago
$190
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Sat, Aug 30 from Buffalo to Chicago, returning Sun, Sep 7, priced at $190 found 1 day ago
Southwest Airlines
Thu, Sep 4 - Mon, Sep 8
BUF
Buffalo
MDW
Chicago
$202 Roundtrip, found 7 hours ago
$202
Roundtrip
found 7 hours ago
Select Southwest Airlines flight, departing Thu, Sep 4 from Buffalo to Chicago, returning Mon, Sep 8, priced at $202 found 7 hours ago
Delta
Thu, Sep 4 - Mon, Sep 8
BUF
Buffalo
MDW
Chicago
$212 Roundtrip, found 7 hours ago
$212
Roundtrip
found 7 hours ago
Select Delta flight, departing Thu, Sep 4 from Buffalo to Chicago, returning Mon, Sep 8, priced at $212 found 7 hours ago

Find the cheapest month to fly from Buffalo (BUF) to Chicago (MDW)

November is typically the cheapest month to fly

From $128 - $668 per traveler.

Graph displaying average flight prices per month

Alternative airports near Chicago

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to O'Hare Intl. ORD. Average driving time to city center is 23 minutes. Flights from $368
ORD
O'Hare Intl.
Average driving time to city center23 min
Flights from $368
0
Flights from Buffalo (BUF) to Chicago (MDW)
Origin airport
Buffalo Niagara Intl.
Destination airport
Midway Intl.
Airlines serving
Delta, Frontier Airlines, Southwest Airlines
Roundtrip price
$154
Distance
466 mi

Buffalo to Chicago Flights

The cheapest times to fly from Buffalo to Chicago

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Buffalo to Chicago are during the month of October. You can find some of the cheapest flights from Buffalo to Chicago with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Buffalo to Chicago

Sunday is one of the best days to book for cheap flights from Buffalo to Chicago: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Buffalo to Chicago

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Buffalo to Chicago in 2025. You can also book with separate airlines for your outbound and return journeys, from $77 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Buffalo to Chicago flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Buffalo to Chicago airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Buffalo Niagara Intl. Airport (BUF) to Midway Intl. Airport (MDW) cost?
Secure a cheap one-way flight from $77 or cheap return flight from $154 from Buffalo Niagara Intl. Airport (BUF) to Midway Intl. Airport (MDW) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Buffalo Niagara Intl. Airport (BUF) to Midway Intl. Airport (MDW)?
October is the most affordable month to fly from BUF to MDW. Avoiding peak travel times is often the key to landing a great deal.
Which airlines fly direct from Buffalo Niagara Intl. Airport (BUF) to Midway Intl. Airport (MDW)?
Fly nonstop from Buffalo Niagara Intl. Airport (BUF) to Midway Intl. Airport (MDW) on a Southwest Airlines flight.
What is the cheapest airline that flies from Buffalo Niagara Intl. Airport (BUF) to Midway Intl. Airport (MDW)?
To find the cheapest airline that'll fly you from BUF to MDW, use Expedia's filter tool. Tailor your search based on what's important to you, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from Buffalo Niagara Intl. Airport (BUF) to Midway Intl. Airport (MDW)?
On average, you can take your pick of 6 direct flights flying from Buffalo Niagara Intl. Airport (BUF) to Midway Intl. Airport (MDW) each week. If you don't see one that suits your schedule, think about a flight with a layover. Filter your search results on Expedia to include one or two stops and opt for the next best option.
What are the most popular departure times for flights from Buffalo Niagara Intl. Airport (BUF) to Midway Intl. Airport (MDW)?
Flights between BUF and MDW tend to be busiest at 6 AM. For a less crowded experience and possibly cheaper fares, look for a departure outside the usual busy windows.
What day of the week has the most flights from BUF to MDW?
Fly on a Friday if you're looking for the biggest selection of flights from Buffalo Niagara Intl. Airport (BUF) to Midway Intl. Airport (MDW).
What is the earliest flight from Buffalo Niagara Intl. Airport (BUF) to Midway Intl. Airport (MDW)?
Hop on the earliest flight at around 6:20AM UTC-5, departing from Buffalo Niagara Intl. Airport (BUF). You'll be in the air for about 2h, reaching Midway Intl. Airport (MDW) at approximately 7:20AM UTC-6.
How long does it take to fly from Buffalo Niagara Intl. Airport (BUF) to Midway Intl. Airport (MDW)?
The average flight duration from BUF to MDW is 1 hour and 52 minutes, covering a distance of 470 mi.
What is the best time to fly from Buffalo Niagara Intl. Airport (BUF) to Midway Intl. Airport (MDW)?
Choose a flight from Buffalo Niagara Intl. Airport (BUF) to Midway Intl. Airport (MDW) that leaves before 3 PM to reduce the risk of cancellations and delays. Later departures have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Chicago from Buffalo Niagara Intl. Airport (BUF)?
Take a direct flight from Buffalo Niagara Intl. Airport (BUF) to Chicago and arrive at O'Hare Intl. Airport (ORD). Another convenient point of entry into this city is Midway Intl. Airport (MDW).
Is it cheaper to buy a plane ticket from Buffalo Niagara Intl. Airport (BUF) to Midway Intl. Airport (MDW) last-minute?
Waiting until right before your break to book a flight from BUF to MDW often results in higher prices. While you might find some last-minute discounts, there's no guarantee. Allow some flexibility in your schedule for the best chance of scoring a bargain.
Is it cheaper to book a BUF to MDW flight and hotel package?
Securing a BUF to MDW flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip in one place. Choose from our impressive range of accommodations and then add car rentals, activities and flights to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Buffalo Niagara Intl. Airport (BUF) to Midway Intl. Airport (MDW)?
If you reserved your BUF to MDW flight in the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the type of ticket you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal if you want more information.

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*Available to One Key members.