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$125 Cheap Flights from Charleston (CHS) to Buffalo (BUF)

View $125 flight on Sun, Sep 6, 2026Opens in a new window

Popular airlines from Charleston Intl. Airport (CHS) to Buffalo Niagara Intl. Airport (BUF)

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Cheap Flights from Charleston to Buffalo (CHS-BUF)

Prices were available within the past 7 days and start at $125 for one-way flights and $250 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, Aug 19 - Thu, Aug 20
CHS
Charleston
BUF
Buffalo
$250 Roundtrip, found 6 days ago
$250
Roundtrip
found 6 days ago
Select United flight, departing Wed, Aug 19 from Charleston to Buffalo, returning Thu, Aug 20, priced at $250 found 6 days ago
Southwest Airlines
Mon, Nov 2 - Mon, Nov 9
CHS
Charleston
BUF
Buffalo
$252 Roundtrip, found 3 days ago
$252
Roundtrip
found 3 days ago
Select Southwest Airlines flight, departing Mon, Nov 2 from Charleston to Buffalo, returning Mon, Nov 9, priced at $252 found 3 days ago
Delta
Tue, Aug 25 - Fri, Sep 11
CHS
Charleston
BUF
Buffalo
$255 Roundtrip, found 4 hours ago
$255
Roundtrip
found 4 hours ago
Select Delta flight, departing Tue, Aug 25 from Charleston to Buffalo, returning Fri, Sep 11, priced at $255 found 4 hours ago
Southwest Airlines
Tue, Aug 25 - Fri, Sep 11
CHS
Charleston
BUF
Buffalo
$255 Roundtrip, found 4 hours ago
$255
Roundtrip
found 4 hours ago
Select Southwest Airlines flight, departing Tue, Aug 25 from Charleston to Buffalo, returning Fri, Sep 11, priced at $255 found 4 hours ago
American Airlines
Tue, Aug 25 - Fri, Sep 11
CHS
Charleston
BUF
Buffalo
$255 Roundtrip, found 4 hours ago
$255
Roundtrip
found 4 hours ago
Select American Airlines flight, departing Tue, Aug 25 from Charleston to Buffalo, returning Fri, Sep 11, priced at $255 found 4 hours ago
United
Tue, Oct 20 - Wed, Oct 21
CHS
Charleston
BUF
Buffalo
$256 Roundtrip, found 22 hours ago
$256
Roundtrip
found 22 hours ago
Select United flight, departing Tue, Oct 20 from Charleston to Buffalo, returning Wed, Oct 21, priced at $256 found 22 hours ago
Southwest Airlines
Fri, Dec 11 - Sun, Dec 13
CHS
Charleston
BUF
Buffalo
$257 Roundtrip, found 2 days ago
$257
Roundtrip
found 2 days ago
Select Southwest Airlines flight, departing Fri, Dec 11 from Charleston to Buffalo, returning Sun, Dec 13, priced at $257 found 2 days ago
Southwest Airlines
Fri, Nov 6 - Fri, Nov 13
CHS
Charleston
BUF
Buffalo
$258 Roundtrip, found 3 days ago
$258
Roundtrip
found 3 days ago
Select Southwest Airlines flight, departing Fri, Nov 6 from Charleston to Buffalo, returning Fri, Nov 13, priced at $258 found 3 days ago
United
Tue, Aug 25 - Sat, Aug 29
CHS
Charleston
BUF
Buffalo
$259 Roundtrip, found 4 days ago
$259
Roundtrip
found 4 days ago
Select United flight, departing Tue, Aug 25 from Charleston to Buffalo, returning Sat, Aug 29, priced at $259 found 4 days ago
JetBlue Airways
Tue, Oct 20 - Mon, Oct 26
CHS
Charleston
BUF
Buffalo
$287 Roundtrip, found 3 hours ago
$287
Roundtrip
found 3 hours ago
Select JetBlue Airways flight, departing Tue, Oct 20 from Charleston to Buffalo, returning Mon, Oct 26, priced at $287 found 3 hours ago

Alternative airports near Buffalo

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

Select flight to Buffalo Niagara Intl. BUF. Cheapest and Closest option available. Average driving time to city center is 16 minutes. Flights from $294
BUF
Buffalo Niagara Intl.
CheapestClosest
Average driving time to city center16 min
Flights from $294

Find the cheapest month to fly from Charleston (CHS) to Buffalo (BUF)

January is typically the cheapest month to fly

From $168 - $393 per traveler.

What you need to know for your flight from Charleston Intl. to Buffalo Niagara Intl.

Charleston (CHS) to Buffalo (BUF) at a glance

Travel from Charleston (CHS) to Buffalo (BUF) with a range of airlines on this convenient domestic short-haul route. Explore options for Charleston to Buffalo flights, comparing full-service and budget carriers to pinpoint the itinerary that aligns with your budget and schedule. As you prepare to discover Buffalo’s renowned attractions and neighborhoods, gather essential details for flights from Charleston International Airport to Buffalo Niagara International Airport.

  • Fastest flight duration: around 3h 15m in-flight, plus roughly 1h 15m layover with one stop
  • Route distance: roughly 700 miles (1,130 km)
  • Flights per week: around 13 departures on average
  • Typical fares (one-way): economy tickets often range from $100–$350, depending on seasonality and how far ahead you book

Flights from Charleston International Airport (CHS) to Buffalo Niagara International Airport (BUF)

According to recent traveler bookings, here are the top airlines favored for flights from Charleston to Buffalo, particularly for one-stop services. Common layover spots include Charlotte-Douglas International Airport (CLT, approximately 1 hour 15 minutes), Hartsfield-Jackson Atlanta International Airport (ATL, around 1 hour 30 minutes), and Baltimore Washington International Thurgood Marshall Airport (BWI, about 1 hour 15 minutes). These options allow you to balance price, total travel time, and cabin class while crafting your ideal itinerary.

  • American Airlines: This comprehensive carrier provides one-stop flights, featuring one-way fares that generally fall between $100 and $345. It dominates the route with about 44% of departures, offering an in-flight duration of 3 hours and 15 minutes, leading to an overall travel time of approximately 4 hours and 30 minutes (including layover).
  • Delta: Another full-service option, Delta also offers one-stop journeys, with one-way ticket prices typically ranging from $100 to $360. This airline represents around 21% of the departures on this route, with a flight time of 3 hours and 15 minutes and an estimated total travel duration of 4 hours and 30 minutes (including layover).
  • Southwest Airlines: As a low-cost airline, Southwest provides one-stop services, with one-way fares often between $105 and $400. It accounts for about 15% of the departures on this route, featuring a flight duration of 3 hours and 15 minutes and a total journey time of around 4 hours and 30 minutes (including layover).
  • United: This full-service airline offers one-stop routes, with one-way fares usually ranging from $100 to $360. United covers approximately 12% of the departures, providing an in-flight time of 3 hours and 15 minutes and an overall travel time of about 4 hours and 30 minutes (including layover).
  • JetBlue Airways: A budget-friendly option, JetBlue offers one-stop services with one-way fares typically ranging from $100 to $290. Representing around 8% of the departures on this route, it features an in-flight duration of 3 hours and 15 minutes and a total travel time of roughly 4 hours and 30 minutes (including layover).

Travelers have the option to upgrade their flight from Charleston to Buffalo, with Delta providing first-class service on this route for a more luxurious travel experience.

Best time to fly from Charleston (CHS) to Buffalo (BUF)

The most popular months for travelers flying from Charleston to Buffalo are March, April, and October, when peak temperatures in Buffalo reach up to 53.2°F in October. If you prefer quieter travel, consider June, the least busy and relatively cheaper time to visit with fewer crowds and temperatures around 66°F. For better deals, February usually offers the lowest average one-way fare around $169. Flight availability peaks in October and November, with approximately 15 flights per week, making it easier to find convenient departure times.

  • Cheapest time to fly: February usually offers good deals with average one-way fare around $169, roughly 8% cheaper than the yearly average.
  • More budget-friendly months to fly: June, July, and August typically offer average one-way fares of around $172.
  • Most flight options: October and November have the highest number of flights from Charleston to Buffalo, with approximately 15 flights per week, giving you more flexibility in scheduling your trip.
calendar iconMonthtemperature iconTemperaturecrowd level iconDemandflights iconWeekly Flightsprice iconAverage one-way Fare
January25.5°F (-3.6°C)Low11$181
February26.1°F (-3.3°C)Average11$169
March34.3°F (1.3°C)High13$178
April45.0°F (7.2°C)High13$246
May57.7°F (14.3°C)Low11$175
June66.0°F (18.9°C)Low11$171
July72.0°F (22.2°C)Average14$171
August70.7°F (21.5°C)Average14$173
September64.6°F (18.1°C)Average14$194
October53.2°F (11.8°C)High15$197
November41.4°F (5.2°C)Average15$183
December33.1°F (0.6°C)Average14$185

*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.

Alternative route from Charleston (CHS) to Buffalo (BUF)

  • Charleston to Rochester (CHS-ROC): Greater Rochester International Airport (ROC) is approximately 56 miles from Buffalo Niagara International Airport (BUF). One-way economy prices on this route generally vary from $60 to $325, influenced by the season and how far in advance you book. Flights on this route are commonly available as both non-stop and one-stop, with frequent layovers at Charlotte-Douglas International Airport (CLT) and Baltimore Washington International Thurgood Marshall Airport (BWI). Major airlines operating on this route include American Airlines and Breeze, a low-cost carrier. Additionally, first-class service is offered on this route.

How to find the best prices for flights from Charleston (CHS) to Buffalo (BUF)

Getting some of the best deals on flights from Charleston to Buffalo is all about timing and flexibility. Here are some key tips to help you save:

  1. Best times to book and fly: cheaper fares are usually found when booking 2-8 weeks in advance, which aligns with when most travelers make their reservations. Evening departures (6 PM-12 AM) often provide lower prices, though morning flights (5 AM-12 PM) are the most popular. Additionally, flying on Tuesday generally offers cheaper rates, while Thursday remains the most favored travel day.
  2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
  3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.*
  4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
  5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
  6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Buffalo Niagara International Airport from Charleston International Airport

Buffalo welcomes travelers from Charleston with a range of transport options based on price, convenience, and proximity. For departures, Charleston International Airport is roughly a 15-minute drive (covering about 13 miles) from central Charleston. Here's how to reach Buffalo efficiently:

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in Buffalo, with private rides that can be arranged in advance.
  • Car rental: Renting a car from Buffalo Niagara International Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Buffalo Niagara International Airport on Expedia.
  • Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
  • Public transportation: From Buffalo Niagara International Airport, Buffalo-Depew Station, a train station, is located about 2.6 miles away by car, while University Station, a metro station, is situated approximately 6.5 miles away by car, offering convenient access to public transportation options.

Frequently asked questions

How much does a flight from Charleston, SC (CHS-Charleston Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) cost?
You can find cheap one-way flights from $125 and cheap return flights from $250 Charleston, SC (CHS-Charleston Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) with Expedia. One-way flights generally range between $106 and $592, and roundtrip flights usually range from $263 to $952. 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 the cheapest fares first, and use the Price Tracking tool to receive alerts when Charleston, SC (CHS-Charleston Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Charleston, SC (CHS-Charleston Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
January is the cheapest month to fly from Charleston, SC (CHS) to Buffalo, NY (BUF), with average return fares around $259. This is about 20% lower than the average price throughout the year, as travel demand typically decreases after the holiday season. Other affordable months to fly from Charleston to Buffalo include August and September.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Charleston, SC (CHS-Charleston Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
Enter CHS to BUF and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Charleston, SC (CHS-Charleston Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
JetBlue Airways is one of the cheapest airlines offering connecting flights from Charleston Intl. (CHS) to Buffalo Niagara Intl. (BUF), starting from around $177. 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.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Charleston, SC (CHS-Charleston Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
To find a cheap flight from Charleston, SC (CHS-Charleston 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 time to fly from Charleston, SC (CHS-Charleston Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
When flying from Charleston (CHS) to Buffalo (BUF), January and September are your best bets. With average return flight prices around $259, these months offer both affordability and good travel conditions. January is quieter post-holidays, while September provides a lovely early fall atmosphere.*Prices based on flights available on Expedia in the last year.
What is the earliest flight from Charleston, SC (CHS-Charleston Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
The earliest flight from Charleston, SC (CHS) to Buffalo, NY (BUF) typically leaves at around 5:00 AM, operated by American Airlines. This seasonal service is available in December, allowing you to get an early start on your trip to Buffalo. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Charleston, SC (CHS-Charleston Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
The most popular departure times for flights from Charleston Intl. (CHS) to Buffalo Niagara Intl. (BUF) are in the early morning, from 6am to 9am. About 35% of passengers prefer this time window. Major carriers like American Airlines, Delta Airlines, and Southwest Airlines offer flights during this window. This timing is great for travelers wanting to make the most of their day in Buffalo.
How long does it take to fly from Charleston, SC (CHS-Charleston Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
Flying from CHS to BUF with a connection usually takes about 4 hours, traveling roughly 698 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Charleston, SC (CHS-Charleston Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
First class seats are offered on the CHS to BUF route. First class cabins are available on:

  • Delta Air Lines
  • American Airlines
  • United Airlines

How do I earn miles on a Charleston, SC (CHS-Charleston Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) flight with Expedia?
It's easy to earn miles on a Charleston, SC (CHS-Charleston 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 from Charleston Intl. (CHS)?
If you're planning to travel to Buffalo from Charleston Intl. (CHS), you can fly into Buffalo Niagara Intl. (BUF) Some flights may connect through major hubs like Liberty Intl. (EWR), Washington Dulles Intl. (IAD), O'Hare Intl. (ORD) 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 Charleston, SC (CHS-Charleston Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) at the last minute?
Typically, booking a last minute flight from Charleston, SC (CHS-Charleston 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 Charleston, SC (CHS-Charleston Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) flight and hotel package?
Securing a Charleston, SC (CHS-Charleston Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.) Buffalo Vacation Packages 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 Charleston, SC (CHS-Charleston Intl.) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
If you booked your Charleston, SC (CHS-Charleston 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
Charleston Intl.
Destination airport
Buffalo Niagara Intl.
Airlines serving
American Airlines, Delta, JetBlue Airways, Southwest Airlines, United
Roundtrip price
$249
Distance
697 mi

Book with confidence

Charleston to Buffalo Flights

The cheapest times to fly from Charleston 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 Charleston to Buffalo are during the month of August. You can find some of the cheapest flights from Charleston to Buffalo with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Charleston to Buffalo

Sunday is one of the best days to book for cheap flights from Charleston 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 Charleston 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 Charleston to Buffalo in 2026. You can also book with separate airlines for your outbound and return journeys, from $125 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 Charleston 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 Charleston 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.

 

Charleston to Buffalo Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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