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

View $77 flight on Sun, Oct 12, 2025Opens in a new window

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

    notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
    deals illustration

    Book smarter

    Save up to 30% on select hotels after you book a flight*
    trophy illustration

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from Chicago to Buffalo (MDW-BUF)

Prices were available within the past 7 days and start at $77 for one-way flights and $145 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Southwest Airlines
Mon, Jan 5 - Wed, Jan 7
MDW
Chicago
BUF
Buffalo
$145 Roundtrip, found 6 days ago
$145
Roundtrip
found 6 days ago
Select Southwest Airlines flight, departing Mon, Jan 5 from Chicago to Buffalo, returning Wed, Jan 7, priced at $145 found 6 days ago
Frontier Airlines
Fri, Nov 7 - Thu, Nov 13
MDW
Chicago
BUF
Buffalo
$154 Roundtrip, found 1 hour ago
$154
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Fri, Nov 7 from Chicago to Buffalo, returning Thu, Nov 13, priced at $154 found 1 hour ago
Southwest Airlines
Mon, Jan 5 - Wed, Jan 7
MDW
Chicago
BUF
Buffalo
$167 Roundtrip, found 6 days ago
$167
Roundtrip
found 6 days ago
Select Southwest Airlines flight, departing Mon, Jan 5 from Chicago to Buffalo, returning Wed, Jan 7, priced at $167 found 6 days ago
Southwest Airlines
Mon, Jan 5 - Wed, Jan 7
MDW
Chicago
BUF
Buffalo
$175 Roundtrip, found 6 days ago
$175
Roundtrip
found 6 days ago
Select Southwest Airlines flight, departing Mon, Jan 5 from Chicago to Buffalo, returning Wed, Jan 7, priced at $175 found 6 days ago
Frontier Airlines
Sun, Sep 21 - Sun, Sep 28
MDW
Chicago
BUF
Buffalo
$180 Roundtrip, found 3 days ago
$180
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Sun, Sep 21 from Chicago to Buffalo, returning Sun, Sep 28, priced at $180 found 3 days ago
Frontier Airlines
Mon, Sep 29 - Sat, Oct 11
MDW
Chicago
BUF
Buffalo
$186 Roundtrip, found 2 hours ago
$186
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Mon, Sep 29 from Chicago to Buffalo, returning Sat, Oct 11, priced at $186 found 2 hours ago
Southwest Airlines
Tue, Jan 6 - Thu, Jan 8
MDW
Chicago
BUF
Buffalo
$195 Roundtrip, found 6 days ago
$195
Roundtrip
found 6 days ago
Select Southwest Airlines flight, departing Tue, Jan 6 from Chicago to Buffalo, returning Thu, Jan 8, priced at $195 found 6 days ago
Southwest Airlines
Mon, Jan 5 - Wed, Jan 7
MDW
Chicago
BUF
Buffalo
$197 Roundtrip, found 6 days ago
$197
Roundtrip
found 6 days ago
Select Southwest Airlines flight, departing Mon, Jan 5 from Chicago to Buffalo, returning Wed, Jan 7, priced at $197 found 6 days ago
Frontier Airlines
Sun, Sep 21 - Fri, Sep 26
MDW
Chicago
BUF
Buffalo
$199 Roundtrip, found 2 hours ago
$199
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Sun, Sep 21 from Chicago to Buffalo, returning Fri, Sep 26, priced at $199 found 2 hours ago
Delta
Thu, Nov 6 - Sun, Nov 9
MDW
Chicago
BUF
Buffalo
$239 Roundtrip, found 7 hours ago
$239
Roundtrip
found 7 hours ago
Select Delta flight, departing Thu, Nov 6 from Chicago to Buffalo, returning Sun, Nov 9, priced at $239 found 7 hours ago

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

September is typically the cheapest month to fly

From $127 - $514 per traveler.

Frequently asked questions

How much does a flight from Midway Intl. Airport (MDW) to Buffalo Niagara Intl. Airport (BUF) cost?
Get a cheap one-way flight from $77 or cheap return flight from $145 from Midway Intl. Airport (MDW) to Buffalo Niagara Intl. Airport (BUF) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Midway Intl. Airport (MDW) to Buffalo Niagara Intl. Airport (BUF)?
January is the cheapest month to fly from MDW to BUF. Planning your trip for the off-season is often the key to better flight prices.
Which airlines fly direct from Midway Intl. Airport (MDW) to Buffalo Niagara Intl. Airport (BUF)?
When heading out of Midway Intl. Airport (MDW), you can jump on a direct flight to Buffalo Niagara Intl. Airport (BUF) with Southwest Airlines.
What is the cheapest airline that flies from Midway Intl. Airport (MDW) to Buffalo Niagara Intl. Airport (BUF)?
To find the cheapest airline that'll fly you from MDW to BUF, use Expedia's filter tool. Tailor your search based on what matters most to you, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to list the most affordable options first.
How many flights per day from Midway Intl. Airport (MDW) to Buffalo Niagara Intl. Airport (BUF)?
On average, Midway Intl. Airport (MDW) has 6 nonstop flights to Buffalo Niagara Intl. Airport (BUF) each week. For more choice, use Expedia's filter tool to search for flights with layovers. Fit in a quick visit to another destination or just break up your journey.
What are the most popular departure times for flights from Midway Intl. Airport (MDW) to Buffalo Niagara Intl. Airport (BUF)?
The 6 PM departures from MDW to BUF are typically the busiest. Prices can be higher for these popular slots. If you're looking to save, pick a less crowded time to fly.
What day of the week has the most flights from MDW to BUF?
Depart on a Friday if you're searching for the best selection of flights from Midway Intl. Airport (MDW) to Buffalo Niagara Intl. Airport (BUF).
What is the earliest flight from Midway Intl. Airport (MDW) to Buffalo Niagara Intl. Airport (BUF)?
Catch the earliest flight at around 6:25PM UTC-6, leaving from Midway Intl. Airport (MDW). You'll be traveling for around 1h 30m, reaching Buffalo Niagara Intl. Airport (BUF) at approximately 8:55PM UTC-5.
How long does it take to fly from Midway Intl. Airport (MDW) to Buffalo Niagara Intl. Airport (BUF)?
It takes approximately 1 hour and 30 minutes to fly the 470 mi from MDW to BUF.
What is the best time to fly from Midway Intl. Airport (MDW) to Buffalo Niagara Intl. Airport (BUF)?
Select a flight from Midway Intl. Airport (MDW) to Buffalo Niagara Intl. Airport (BUF) that leaves before 3 PM to reduce the likelihood of delays and cancellations. Departures after this hour 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 Buffalo from Midway Intl. Airport (MDW)?
If you're catching a direct flight from Midway Intl. Airport (MDW) to Buffalo, you can touch down at either Billy Bishop Toronto City Airport (YTZ) or Buffalo Niagara Intl. Airport (BUF).
Is it cheaper to buy a plane ticket from Midway Intl. Airport (MDW) to Buffalo Niagara Intl. Airport (BUF) last-minute?
Booking your plane ticket from MDW to BUF just before your trip is typically more expensive. However, if you're flexible with your travel dates and times, you could score a cheap last-minute fare.
Is it cheaper to book a MDW to BUF flight and hotel package?
You'll typically save money by booking a MDW to BUF flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one convenient place. Once you've chosen your ideal accommodations and flights, consider adding extras like tours, car rentals and activities.
Can I cancel or change the date of my flight from Midway Intl. Airport (MDW) to Buffalo Niagara Intl. Airport (BUF)?
In most cases, you can cancel or reschedule your MDW to BUF flight. However, there may be additional charges, especially if you booked more than 24 hours ago. Double-check your itinerary for the airline's rules and fees on flight changes, or if you need further details, visit our Customer Service portal.

Travel information

Travel information

Origin airport
Midway Intl.
Destination airport
Buffalo Niagara Intl.
Airlines serving
Delta, Frontier Airlines, Southwest Airlines
Roundtrip price
$144
Distance
466 mi
Average flight time
2 hours 28 mins

Book with confidence

Book with confidence

Chicago to Buffalo Flights

The cheapest times to fly from Chicago to Buffalo

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 Chicago to Buffalo are during the month of January. You can find some of the cheapest flights from Chicago to Buffalo with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Chicago to Buffalo

Sunday is one of the best days to book for cheap flights from Chicago to Buffalo: 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 Chicago to Buffalo

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 Chicago to Buffalo 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 Chicago to Buffalo 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 Chicago to Buffalo 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.

 

Chicago to Buffalo Flights

Explore a world of travel with Expedia

Explore a world of travel with Expedia

*Available to One Key members.