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CA $181 Cheap Flights from Chicago (MDW) to Buffalo (BUF)

View CA $181 flight on Tue, Sep 1, 2026Opens in a new window

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

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Cheap flights from Chicago (MDW) to Buffalo (BUF)

Prices were available within the past 7 days and start at CA $181 for one-way flights and CA $363 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, Oct 28 - Wed, Nov 4
MDW
Chicago
BUF
Buffalo
CA $363 Roundtrip, found 4 days ago
CA $363
Roundtrip
found 4 days ago
Select Delta flight, departing Wed, Oct 28 from Chicago to Buffalo, returning Wed, Nov 4, priced at CA $363 found 4 days ago
Delta
Thu, Aug 20 - Tue, Aug 25
MDW
Chicago
BUF
Buffalo
CA $376 Roundtrip, found 3 days ago
CA $376
Roundtrip
found 3 days ago
Select Delta flight, departing Thu, Aug 20 from Chicago to Buffalo, returning Tue, Aug 25, priced at CA $376 found 3 days ago
Delta
Thu, Aug 20 - Tue, Aug 25
MDW
Chicago
BUF
Buffalo
CA $405 Roundtrip, found 1 day ago
CA $405
Roundtrip
found 1 day ago
Select Delta flight, departing Thu, Aug 20 from Chicago to Buffalo, returning Tue, Aug 25, priced at CA $405 found 1 day ago
Delta
Wed, Oct 28 - Wed, Nov 4
MDW
Chicago
BUF
Buffalo
CA $407 Roundtrip, found 4 days ago
CA $407
Roundtrip
found 4 days ago
Select Delta flight, departing Wed, Oct 28 from Chicago to Buffalo, returning Wed, Nov 4, priced at CA $407 found 4 days ago
Delta
Thu, Aug 20 - Tue, Aug 25
MDW
Chicago
BUF
Buffalo
CA $420 Roundtrip, found 3 days ago
CA $420
Roundtrip
found 3 days ago
Select Delta flight, departing Thu, Aug 20 from Chicago to Buffalo, returning Tue, Aug 25, priced at CA $420 found 3 days ago
Delta
Thu, Aug 20 - Tue, Aug 25
MDW
Chicago
BUF
Buffalo
CA $451 Roundtrip, found 4 days ago
CA $451
Roundtrip
found 4 days ago
Select Delta flight, departing Thu, Aug 20 from Chicago to Buffalo, returning Tue, Aug 25, priced at CA $451 found 4 days ago
Delta
Wed, Oct 28 - Wed, Nov 4
MDW
Chicago
BUF
Buffalo
CA $463 Roundtrip, found 4 days ago
CA $463
Roundtrip
found 4 days ago
Select Delta flight, departing Wed, Oct 28 from Chicago to Buffalo, returning Wed, Nov 4, priced at CA $463 found 4 days ago
Delta
Thu, Aug 20 - Tue, Aug 25
MDW
Chicago
BUF
Buffalo
CA $471 Roundtrip, found 4 days ago
CA $471
Roundtrip
found 4 days ago
Select Delta flight, departing Thu, Aug 20 from Chicago to Buffalo, returning Tue, Aug 25, priced at CA $471 found 4 days ago
Delta
Thu, Aug 20 - Tue, Aug 25
MDW
Chicago
BUF
Buffalo
CA $473 Roundtrip, found 3 days ago
CA $473
Roundtrip
found 3 days ago
Select Delta flight, departing Thu, Aug 20 from Chicago to Buffalo, returning Tue, Aug 25, priced at CA $473 found 3 days ago
Delta
Thu, Aug 20 - Tue, Aug 25
MDW
Chicago
BUF
Buffalo
CA $475 Roundtrip, found 3 days ago
CA $475
Roundtrip
found 3 days ago
Select Delta flight, departing Thu, Aug 20 from Chicago to Buffalo, returning Tue, Aug 25, priced at CA $475 found 3 days ago

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

February is typically the cheapest month to fly

From CA $213 - CA $509 per traveller.

Frequently asked questions

How much does a flight from Chicago, IL (MDW-Midway Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) cost?
You can find one-way and return flights from MDW to BUF with Expedia. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see our cheapest fares first, and use the Price Tracking tool to receive alerts when MDW to BUF ticket fares go up or down.
What is the cheapest month to fly from Chicago, IL (MDW-Midway Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
The cheapest months to fly from MDW to BUF are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Chicago, IL (MDW-Midway Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
Only one airline offers direct flights from Chicago, IL (MDW-Midway Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.). Southwest Airlines operates 21 direct flights from Chicago, IL (MDW-Midway Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) every week.
What is the cheapest airline that flies from Chicago, IL (MDW-Midway Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
Frontier Airlines is one of the cheapest airlines offering connecting return flights on this route, with tickets starting from around CA$235. Southwest Airlines is one of the cheapest airlines offering nonstop return flights from Chicago, IL (MDW-Midway Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.), with tickets starting from around CA$323 for flights that can be booked for departure within the next year. These prices are per adult for economy/coach class. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.
How do I find cheap flights from Chicago, IL (MDW-Midway Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
To find a cheap flight from Chicago, IL (MDW-Midway Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Chicago, IL (MDW-Midway Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
The best airline to fly with from Chicago, IL (MDW-Midway Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) will differ from traveler to traveler. If you like to fly early, Southwest Airlines offers early morning flights. If price is the most important factor, Southwest Airlines typically offers the lowest fares. Southwest Airlines offers the most daily flights from Chicago, IL (MDW-Midway Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.), which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Chicago, IL (MDW-Midway Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Chicago, IL (MDW-Midway Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
You'll find around 3 nonstop flights per day from Chicago Midway International Airport (MDW) to Buffalo Niagara International Airport (BUF). For even more choices, look at flights that include layovers, as there are approximately 52 connecting flights per day. Some common connection points include Detroit Metropolitan Wayne County (DTW), Hartsfield-Jackson Atlanta International (ATL), and Baltimore Washington International Thurgood Marshall (BWI).
What is the earliest flight from Chicago, IL (MDW-Midway Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
The earliest flight from Chicago, IL (MDW-Midway Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) typically departs at around 5:00 AM local time, operated by Southwest Airlines. This is a seasonal service active in July. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Chicago, IL (MDW-Midway Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
You'll find the most flights from Chicago Midway International Airport (MDW) to Buffalo Niagara International Airport (BUF) on a Friday, with around 30 flights available. This gives you a good selection of options for your travel plans. Major airlines on this route include Southwest Airlines, Delta, and Frontier Airlines. Flight schedules are fairly consistent throughout the week, with Fridays and Sundays having slightly more options compared to other weekdays.
What are the most popular departure times for flights from Chicago, IL (MDW-Midway Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
The most popular departure times for flights from Chicago, IL (MDW-Midway Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) are between 12pm and 3pm. Many major carriers, including Southwest Airlines and Delta, offer flights during this window. Many travellers prefer this timing as it allows for a morning start and an afternoon arrival, giving you time to settle in at your destination.
How long does it take to fly from Chicago, IL (MDW-Midway Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
A nonstop flight from Chicago Midway International Airport (MDW) to Buffalo Niagara International Airport (BUF) typically takes around 1 hour 30 minutes. This route covers a distance of approximately 752 kilometers. If you opt for a one-stop flight, your travel time will be longer, usually around 4 hours 48 minutes. Flights with two or more stops will take even longer, typically around 9 hours 30 minutes. Keep in mind that actual flight times can vary due to factors like wind patterns and air traffic, so it's always a good idea to allow for some extra time when planning your trip.
Can you fly business or first class from Chicago, IL (MDW-Midway Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
Yes, you can fly business class or first class between MDW and BUF. You can fly business class with Frontier Airlines.First class cabins are available on Delta.
How do I earn miles on a Chicago, IL (MDW-Midway Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) flight with Expedia?
It's easy to earn miles on a Chicago, IL (MDW-Midway Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Buffalo, NY (BUF) from Chicago, IL (MDW)?
If you're planning to travel to Buffalo from Midway Intl. (MDW), you can fly directly into Buffalo Niagara Intl. (BUF) which offers international flights and connections. Some flights may connect through major hubs like Detroit Metropolitan Wayne County (DTW), Cincinnati - Northern Kentucky Intl. (CVG), Bradley Intl. (BDL) before reaching Buffalo. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Chicago, IL (MDW-Midway Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) at the last minute?
Typically, booking a last minute flight from Chicago, IL (MDW-Midway Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Chicago, IL (MDW-Midway Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) flight and hotel package?
Securing a Chicago, IL (MDW-Midway Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Chicago, IL (MDW-Midway Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
If you booked your Chicago, IL (MDW-Midway Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Midway Intl.
Destination airport
Buffalo Niagara Intl.
Airlines serving
Delta
Roundtrip price
CA $363
Distance
746 km
Average flight time
2 hours 32 mins

Book with confidence

Chicago to Buffalo Flights

The easy way to book your flights from Chicago to Buffalo 

With Expedia, it’s simple to find and book flights to Buffalo from Chicago whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to Buffalo Niagara Intl., too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Chicago to Buffalo today, tomorrow, or this week.  

 

Save dollars with cheap flights from Midway Intl., MDW to Buffalo Niagara Intl., BUF 

Sort your search results by price to find great deals on your flight from Chicago to Buffalo—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Buffalo from Chicago currently is just CA $363 rising to CA $475.  

Here are more money-saving tips: 

  • Fly in October when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Buffalo  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Buffalo from Chicago 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Buffalo with Expedia today.

Chicago to Buffalo Flights

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*Available to Expedia members.