Atlanta to Buffalo Flights: How to Plan Your Trip From ATL

Flying from Atlanta to Buffalo is a straightforward trip, but details like airlines, timing, winter weather, and airport logistics can make a big difference—especially if you’re planning around Atlanta traffic or connecting from other parts of the metro.

This guide focuses on what Atlanta-based travelers (or visitors currently in Atlanta) need to know to book and navigate flights from Hartsfield–Jackson Atlanta International Airport (ATL) to Buffalo Niagara International Airport (BUF).

Key Facts About Atlanta to Buffalo Flights

Route basics:

  • Departure airport: Hartsfield–Jackson Atlanta International Airport (ATL)
  • Arrival airport: Buffalo Niagara International Airport (BUF)
  • Typical nonstop flight time: About 2 hours (airborne time)
  • Time zone difference: Both cities are in the Eastern Time Zone, so no time change to manage
  • Distance: Roughly 700–750 miles by air

Most Atlanta travelers either look for a nonstop flight ATL–BUF or accept a one-stop connection through a major hub if the schedule or price works better.

Airlines and Flight Options From Atlanta to Buffalo

Availability can change, but Atlanta residents typically see the following types of options:

Nonstop vs. Connecting Flights

Nonstop flights are often available from Atlanta to Buffalo, especially through large carriers that use ATL as a hub. Nonstop flights are usually:

  • About 2 hours gate-to-gate
  • Common in mornings and early evenings
  • Popular with business travelers and weekend visitors

When nonstops are limited or more expensive, you might see one-stop options through cities such as:

  • Charlotte
  • Washington, D.C.
  • New York City area
  • Chicago

For Atlanta-based travelers, a nonstop ATL–BUF is usually the most practical if you value time and simplicity, especially during Buffalo’s snow season.

Best Time of Year to Fly From Atlanta to Buffalo

Because Atlanta and Buffalo have very different climates, seasonality matters.

Summer and Early Fall (June–October)

  • Weather in Buffalo: Mild to warm, comfortable for outdoor activities
  • From Atlanta: Many travelers fly north to escape the heat and humidity
  • What to expect:
    • Popular for trips to Niagara Falls and Lake Erie
    • Families and tourists often book summer weekends well in advance
    • Fewer serious weather delays than in deep winter

Winter and Early Spring (November–March)

  • Weather in Buffalo: Known for heavy lake-effect snow and cold conditions
  • Impact on flights:
    • More chances of weather-related delays and cancellations out of Buffalo
    • You may spend extra time on the ground for de-icing in BUF
  • Tip for Atlanta travelers:
    • Build in buffer time if you have a same-day event in Buffalo
    • Morning flights can sometimes be more reliable before storms develop

Shoulder Seasons (April–May, late September–October)

  • Good for lower crowds
  • Weather in Buffalo is often cool but manageable
  • These months can be a nice compromise between price, weather, and availability

Typical Schedule and Timing From Atlanta

Because ATL is a major hub, you’ll generally see:

  • Morning departures: Convenient if you’re coming from in-town Atlanta or staying near the airport
  • Midday options: Good for travelers driving in from suburbs like Marietta, Alpharetta, or Fayetteville who want to avoid rush-hour traffic
  • Evening flights: Helpful for business travelers finishing a workday in Atlanta before heading to Buffalo

Atlanta traffic tip:
If you’re leaving from Midtown, Buckhead, or Decatur during weekday afternoons, allow extra time to reach ATL—especially if your flight is scheduled between 4 p.m. and 7 p.m.

Getting to ATL From Around Metro Atlanta

Whether you live inside the Perimeter (ITP) or outside the Perimeter (OTP), you have a few practical options.

MARTA to the Airport

MARTA is often the easiest way to avoid parking and traffic:

  • Rail stop:Airport Station sits directly inside the main terminal at ATL
  • Lines: Both the Red and Gold lines serve the airport
  • Good for travelers from:
    • Midtown, Downtown, Buckhead (via Red or Gold)
    • Doraville, Chamblee, Brookhaven (Gold line)
    • Sandy Springs, Dunwoody, North Springs (Red line to Lindbergh, then stay on Red)

📍 Helpful MARTA contact:
Metropolitan Atlanta Rapid Transit Authority (MARTA)
2424 Piedmont Rd NE, Atlanta, GA 30324
Customer info line: (404) 848-5000

Driving and Parking at ATL

If you’re driving yourself from areas such as Cobb County, Gwinnett, or South Fulton, consider:

  • Official ATL parking: Daily, economy, and park-ride lots
  • Private park-and-ride services: Often located along Camp Creek Parkway or near I-85, with shuttle service to the terminals

Allow extra travel time if you’re commuting through:

  • I-75/I-85 Downtown Connector
  • I-285 interchanges
  • Peak periods (weekday mornings 7–9 a.m. and evenings 4–7 p.m.)

What to Expect at Hartsfield–Jackson (ATL) for Buffalo Flights

Hartsfield–Jackson is one of the busiest airports in the world, but the layout is relatively easy once you know the basics.

Terminals and Concourses

  • Check-in and security: Usually in the Domestic Terminal (North or South, depending on airline)
  • Gates: Many Atlanta–Buffalo flights depart from Concourses A, B, C, or D in the domestic side

After you clear security:

  • Ride the Plane Train (underground tram) to your gate area
  • Follow signs for your concourse letter and then the specific gate

Security Timing for Atlanta Residents

For most Atlanta travelers:

  • Arrive at ATL 2 hours before a domestic flight, especially for:
    • Morning departures (when lines can be longest)
    • Monday and Friday flights (heavier business travel days)
  • If you have TSA PreCheck or CLEAR, you might move through faster, but it’s still safer to keep a buffer

Arrival at Buffalo Niagara International Airport (BUF)

Once your flight from Atlanta lands in Buffalo:

Layout and Baggage Claim

  • BUF is a smaller, easier-to-navigate airport compared with ATL
  • After deplaning, follow signs to Baggage Claim on the lower level
  • Ground transportation (taxis, rideshares, rental cars, and shuttles) is just outside the terminal

Ground Transportation in Buffalo

From BUF, many Atlanta travelers head to:

  • Downtown Buffalo – for business, city stays, or events
  • Niagara Falls, NY – for sightseeing and tourism
  • Suburbs like Amherst, Cheektowaga, or Williamsville for family visits

Typical options include:

  • Rental cars (common if you’re driving to Niagara Falls or around Western New York)
  • Rideshares and taxis just outside the terminal
  • Hotel shuttles for certain properties—check with your Buffalo hotel in advance

Weather Considerations for Atlanta–Buffalo Flights

The weather contrast between Atlanta and Buffalo is one of the most important practical factors.

Winter Weather in Buffalo

From roughly November through March:

  • Expect snow, ice, and strong winds, especially near Lake Erie
  • Flights may operate normally in light snow, but intense systems can cause:
    • Delays on departure or arrival
    • Holding patterns or reroutes
    • Occasional cancellations

How Atlanta Travelers Can Prepare

  • Build in flexibility:
    • Avoid the last flight of the day if you have a tight schedule in Buffalo
    • Consider flying up a day early during active winter storms
  • Pack appropriately:
    • Bring a warm coat, gloves, hat, and waterproof shoes even if you leave ATL in short sleeves
  • Monitor your flight:
    • Use your airline’s app or text alerts on the day of your trip
    • Watch for gate changes and departure time adjustments while you’re still in Atlanta

Costs, Booking Tips, and When to Buy

Flight prices between Atlanta and Buffalo can vary with season, day of the week, and demand.

General Price Patterns

While exact fares change constantly, many Atlanta travelers notice:

  • Weekdays vs. weekends: Midweek departures sometimes offer more attractive prices than peak weekend flights
  • Summer and holidays: Prices can be higher around:
    • Late June–August
    • Major holidays (Thanksgiving, December holidays, long weekends)
  • Winter: Sometimes lower base fares, but weather risk is higher

Tips for Atlanta-Based Travelers

  • Compare nonstop vs. one-stop:
    • Nonstop flights usually cost more but save time
    • One-stop options can be cheaper but add potential delay points in winter
  • Look at early booking:
    • Planning a trip to Niagara Falls or a major Buffalo-area event? Consider booking earlier, especially for summer weekends.
  • Watch flight times:
    • If you live far from the airport—say, in Woodstock, Lawrenceville, or Peachtree City—factor in your drive when choosing early morning or late-night departures

Packing and Airport Tips Specific to Atlanta Travelers

Packing for Two Climates

Leaving mild Atlanta and arriving in cold Buffalo can be a shock, especially in winter.

Consider:

  • Layering: Wear lighter clothing in ATL, but pack sweaters and a heavier coat in your carry-on in case your checked bag is delayed
  • Shoes: If you’re connecting to snow or ice, boots or sturdy shoes are helpful
  • Carry-on essentials:
    • Medications
    • A warm layer
    • Important documents
    • Chargers and basic toiletries

Navigating ATL More Smoothly

A few practical pointers:

  • Food and drinks:
    • There are numerous dining options in every concourse; if you’re coming from far north Atlanta (like Johns Creek or Cumming) and rushed out the door, you can reliably find food after security.
  • Family or group travel:
    • Plan a meeting point near security or at a specific gate in case your group spreads out in the terminal
  • Accessibility:
    • ATL and BUF both offer wheelchair assistance—request this through your airline in advance if needed

Quick Reference: Atlanta to Buffalo Trip Snapshot

TopicWhat Atlanta Travelers Should Know
RouteATL → BUF (Hartsfield–Jackson to Buffalo Niagara)
Flight Time (Nonstop)Around 2 hours in the air
Time ZoneBoth in Eastern Time (no clock change)
Best Months for WeatherLate spring to early fall (less snow risk in Buffalo)
Biggest Risk FactorWinter storms around Buffalo causing delays and cancellations
Getting to ATLMARTA rail, rideshare, or driving with airport/park-ride lots
Arrival at BUFSmall, manageable airport; simple access to taxis, rideshare, cars

Practical Contacts for Atlanta Travelers

These can help with planning the Atlanta side of your trip:

📍 Hartsfield–Jackson Atlanta International Airport
6000 N Terminal Pkwy, Atlanta, GA 30320
Main information line: (800) 897-1910

📍 City of Atlanta – Aviation (Airport Administration)
1255 South Loop Rd, College Park, GA 30337
Main office: (404) 530-2100

📍 MARTA Customer Information
2424 Piedmont Rd NE, Atlanta, GA 30324
Phone: (404) 848-5000

Use these resources to double-check airport procedures, parking, and transit options before your Atlanta to Buffalo flight, especially if you’re traveling during peak times or winter weather.