BWI - BUF

$69 Find Cheap Flights from Baltimore to Buffalo - Compare and Save

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Everything you should know

Cheapest round-trip
$137
Typical prices: $281-$454
Southwest
Mon 12/3Fri 12/7
BWI - BUF • Non-stop
Cheapest one-way
$69
Typical prices: $138-$352
Frontier
Sun 12/2
BWI - BUF • 1 stop
Nonstop flights
You can fly direct with Southwest. Average duration is 1h 18m
Direct flights
+1
Direct flights
+1
When to book
in advance
Our data shows that travelers who book at least 17 weeks in advance save around 59% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 23% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $249 (round-trip)
Shortest trip • 4h 30m (one-way)
Insights
Insights
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Booking Insights
Flight Deals

Cheap Flights from Baltimore to Buffalo (BWI-BUF)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Baltimore to Buffalo

Thu, Dec 3 - Mon, Dec 7
Southwest Logo
8:40 pm - 10:00 pmBWI  Baltimore/Washington-BUF Buffalo
1h 20mnonstop
Southwest Logo
5:55 am - 7:25 amBUF  Buffalo-BWI Baltimore/Washington
1h 30mnonstop
$137Southwest
Fri, Jan 22 - Mon, Jan 25
Frontier Logo
12:38 pm - 6:12 pmBWI  Baltimore/Washington-BUF Buffalo
5h 34m1 stop Atlanta Hartsfield-Jackson
Frontier Logo
7:07 pm - 6:56 amBUF  Buffalo-BWI Baltimore/Washington
11h 49m1 stop Atlanta Hartsfield-Jackson
$144Frontier
Wed, Dec 9 - Wed, Dec 16
Frontier Logo
6:00 am - 12:20 pmBWI  Baltimore/Washington-BUF Buffalo
6h 20m1 stop Atlanta Hartsfield-Jackson
Frontier Logo
1:15 pm - 10:41 pmBUF  Buffalo-BWI Baltimore/Washington
9h 26m1 stop Atlanta Hartsfield-Jackson
$145Frontier
Tue, Dec 1 - Fri, Dec 4
Delta Logo
5:44 pm - 12:01 amBWI  Baltimore/Washington-BUF Buffalo
6h 17m1 stop Detroit Metropolitan Wayne County
Delta Logo
6:10 am - 10:37 amBUF  Buffalo-BWI Baltimore/Washington
4h 27m1 stop Detroit Metropolitan Wayne County
$160Delta
Sat, Jan 9 - Mon, Jan 11
Southwest Logo
9:25 pm - 10:40 pmBWI  Baltimore/Washington-BUF Buffalo
1h 15mnonstop
Southwest Logo
11:30 am - 12:50 pmBUF  Buffalo-BWI Baltimore/Washington
1h 20mnonstop
$163Southwest
Sat, Dec 19 - Wed, Dec 23
Southwest Logo
10:55 pm - 12:15 amBWI  Baltimore/Washington-BUF Buffalo
1h 20mnonstop
Southwest Logo
3:05 pm - 4:20 pmBUF  Buffalo-BWI Baltimore/Washington
1h 15mnonstop
$163Southwest
Mon, Dec 28 - Thu, Dec 31
Southwest Logo
5:35 pm - 6:50 pmBWI  Baltimore/Washington-BUF Buffalo
1h 15mnonstop
Southwest Logo
12:45 pm - 1:55 pmBUF  Buffalo-BWI Baltimore/Washington
1h 10mnonstop
$163Southwest
Thu, Dec 3 - Mon, Dec 7
Frontier Logo
1:54 pm - 12:19 pmBWI  Baltimore/Washington-BUF Buffalo
22h 25m1 stop Atlanta Hartsfield-Jackson
Frontier Logo
1:15 pm - 9:07 amBUF  Buffalo-BWI Baltimore/Washington
19h 52m1 stop Atlanta Hartsfield-Jackson
$166Frontier
Tue, Dec 8 - Thu, Dec 10
Delta Logo
5:44 pm - 12:01 amBWI  Baltimore/Washington-BUF Buffalo
6h 17m1 stop Detroit Metropolitan Wayne County
Delta Logo
7:40 pm - 11:35 pmBUF  Buffalo-BWI Baltimore/Washington
3h 55m1 stop Detroit Metropolitan Wayne County
$173Delta
Tue, Dec 8 - Thu, Dec 10
Delta Logo
6:00 am - 11:24 amBWI  Baltimore/Washington-BUF Buffalo
5h 24m1 stop Detroit Metropolitan Wayne County
Delta Logo
6:10 am - 10:37 amBUF  Buffalo-BWI Baltimore/Washington
4h 27m1 stop Detroit Metropolitan Wayne County
$173Delta
Booking Insights

Price, demand and travel trends for Baltimore to Buffalo flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from Baltimore to Buffalo?

Round-trip flights from Baltimore to Buffalo typically range from $281 to $454. The lowest price found in the past 5 days was $137, on Southwest.

What's the cheapest day of the week to fly from Baltimore to Buffalo?

Based on deals KAYAK users found in the last 12 months, Saturday is the cheapest day of the week to fly from Baltimore to Buffalo. It’s 25% cheaper than the average day, while Monday is the most expensive, with prices 8% higher.

What’s the cheapest month to fly from Baltimore to Buffalo?

•February is the cheapest month to fly from Baltimore to Buffalo at $279 round-trip.
•March ($486) and January ($425) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 74% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from Baltimore to Buffalo the cheapest?

Flights from Baltimore to Buffalo are cheapest 17 weeks before departure. Booking in this window typically costs about 59% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Key details for Baltimore to Buffalo flights

Low season

February

Cheapest flight

$69
Beat the crowds with an average 49% drop in travelers.
The most popular month to fly with an average 46% increase in travelers.
One-way flight from Baltimore to Buffalo

When to book flights from Baltimore to Buffalo

Are your dates flexible? Find out the best times to travel from Baltimore to Buffalo based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Baltimore to Buffalo flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What are the earliest and latest flights from Baltimore to Buffalo?

    These are the earliest and latest flight times available from Baltimore to Buffalo:

    • Earliest: departs at 6:30 am and lands at 7:48 am
    • Latest: departs at 11:00 pm and lands at 12:18 am.

    The flight takes about 1h 18m.

  • What cabin classes can I book on flights from Baltimore to Buffalo?

    Only Economy Class is available on flights from Baltimore to Buffalo.

  • How long is a flight from Baltimore to Buffalo?

    A nonstop flight from Baltimore to Buffalo takes 1h 18m, covering 281 miles.

  • Do I need a passport to fly from Baltimore to Buffalo?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

  • How much should I expect to pay for a Baltimore to Buffalo flight?

    Round-trip flights from Baltimore to Buffalo range from $281 to $454, with an average of $362 over the past 12 months. Anything below $281 counts as a good deal.

  • How expensive are last-minute Baltimore to Buffalo flights?

    Last-minute fares on this route (booked within two weeks of departure) run 64% above the $362 route average. Book 17 weeks before departure for the lowest fares.

  • How much can I save by taking a layover when flying from Baltimore to Buffalo?

    On this route, layover flights are cheaper than nonstop options on average. Layover fares average $249 round-trip via Atlanta Hartsfield-Jackson (ATL), compared to $363 for nonstop.

  • What is the standard checked-bag allowance on flights from Baltimore to Buffalo?

    There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $45–$90 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

  • Which aircraft model is used most often on flights from Baltimore to Buffalo?

    The Boeing 737 MAX 8 family is used most often on this route, operated mainly by Southwest. Other aircraft seen on the route include Embraer ERJ-135 / ERJ-140 / ERJ-145 variants.

  • How are flight departures from Baltimore to Buffalo spread across the day?

    Morning is the busiest departure period on Baltimore to Buffalo flights, with 34% of flights leaving in that window. Afternoon departures account for 34%, evening flights for 16%, and night flights for 16%.

  • Which airlines offer Wi-Fi on Baltimore to Buffalo flights?

    JetBlue is the only airline on the Baltimore to Buffalo route offering in-flight Wi-Fi. Pricing depends on fare class.

  • How are flight prices from Baltimore to Buffalo looking right now?

    One-way fares from Baltimore to Buffalo are currently lower than usual. Average one-way flight prices are about $76, which is 64% below the typical average for this route.

  • What car rental options are available at Buffalo Airport (BUF)?

    Buffalo Airport (BUF) hosts 5 major car rental companies, with daily rates starting from around $19 for economy cars. Top options include:

    • Dollar
    • Budget
    • Hertz
    • Thrifty
    • Alamo

  • Which airports can I use when flying from Baltimore to Buffalo?

    Flights from Baltimore to Buffalo usually depart from Baltimore/Washington (BWI) and arrive at Buffalo (BUF).

  • Which airports do connecting flights from Baltimore to Buffalo pass through?

    One-stop flights from Baltimore to Buffalo most commonly connect through:

    • Atlanta Hartsfield-Jackson (ATL) - 47% of one-stop connections
    • Charlotte Douglas (CLT) - 41% of one-stop connections
    • Detroit Metropolitan Wayne County (DTW) - 12% of one-stop connections

  • Can I save money by using flexible dates for flights from Baltimore to Buffalo?

    Yes. Flexible dates can save you up to 31% on flights from Baltimore to Buffalo. Saturday is the cheapest departure day at $273 round-trip on average, while Monday is the most expensive at $393, a difference of $120.

    Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

  • What airlines fly from Baltimore to Buffalo?

    Only Southwest operates flights between Baltimore and Buffalo.

  • How much time can I save by choosing a different layover airport from Baltimore to Buffalo?

    Flying via Charlotte Douglas (CLT) gives the shortest average 1-stop total travel time at 4h 30m, compared with 4h 49m via Detroit Metropolitan Wayne County (DTW) and 7h 10m via Atlanta Hartsfield-Jackson (ATL).

  • Which airlines offer extra legroom and free seat selection on Baltimore to Buffalo flights?

    Among airlines operating Baltimore to Buffalo flights:

    • Southwest: offers free seat selection

    Extra legroom and free seat selection availability depends on fare class and route.

  • Which airlines include bags at no extra cost on Baltimore to Buffalo flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • Southwest: a cabin bag in Economy Class class
    • JetBlue: a cabin bag in Economy Class class

    Bag allowance can vary by ticket type, cabin class, route and airline, so always check the fare details before booking.

Your guide to booking Baltimore to Buffalo flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Saturday departure and avoid flying on Monday. On this route, Saturday flights average $273, about $120 less than Monday fares (31% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 17 weeks before you fly. On this route, that window historically saves about 59% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Baltimore to Buffalo trip for February. Fares historically average $279 round-trip in that month - typically $207 less than the most expensive month, which is March (based on the last 12 months).
  • If you have the time, taking a 1-stop flight through Atlanta Hartsfield-Jackson Airport (ATL) can be cheaper than flying direct. The cheapest layover option averages $249 round-trip on this route - about $114 less than direct flights (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Buffalo Airport.

    • Aloft Buffalo Airport
    • Comfort Inn and Suites Buffalo Airport
    • TownePlace Suites by Marriott Buffalo Airport

Prefer to fly direct from Baltimore to Buffalo?

 
Find which airlines fly direct from Baltimore/Washington Airport to Buffalo Airport, which days they fly and book direct flights.

Direct departures

Baltimore/Washington to Buffalo

Monday

Southwest

Southwest

Tuesday

Southwest

Southwest

Wednesday

Southwest

Southwest

Thursday

Southwest

Southwest

Friday

Southwest

Southwest

Saturday

Southwest

Southwest

Sunday

Southwest

Southwest

See more direct flights

Direct returns

Buffalo to Baltimore/Washington

Monday

Southwest

Southwest

Tuesday

Southwest

Southwest

Wednesday

Southwest

Southwest

Thursday

Southwest

Southwest

Friday

Southwest

Southwest

Saturday

Southwest

Southwest

Sunday

Southwest

Southwest

See more direct flights

More options for your flight from Baltimore to Buffalo

Complete your trip to Buffalo with a hotel stay or car rental