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Cheap Flights from Buffalo Niagara to Baltimore Washington International

Compare Buffalo Niagara to Baltimore Washington International flight deals

Find the cheapest month or even day of the year to fly to Baltimore Washington International

Book the best Baltimore Washington International fare with no extra fees

Flight deals from Buffalo Niagara to Baltimore Washington International

Looking for a cheap last-minute deal or the best return flight from Buffalo Niagara to Baltimore Washington International? Find the lowest prices on one-way and return tickets right here.
Washington D.C..R 1,250 per passenger.Departing Thu, 25 Sep.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Buffalo Niagara on Thu, 25 Sep, arriving in Baltimore Washington International.Price includes taxes and charges.From R 1,250, select.
Washington D.C..R 1,253 per passenger.Departing Thu, 2 Oct.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Buffalo Niagara on Thu, 2 Oct, arriving in Baltimore Washington International.Price includes taxes and charges.From R 1,253, select.
Washington D.C..R 1,347 per passenger.Departing Sun, 2 Nov.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Buffalo Niagara on Sun, 2 Nov, arriving in Baltimore Washington International.Price includes taxes and charges.From R 1,347, select.
Washington D.C..R 2,109 per passenger.Departing Wed, 22 Oct.One-way flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Buffalo Niagara on Wed, 22 Oct, arriving in Baltimore Washington International.Price includes taxes and charges.From R 2,109, select.
Washington D.C..R 2,114 per passenger.Departing Mon, 19 Jan.One-way flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Buffalo Niagara on Mon, 19 Jan, arriving in Baltimore Washington International.Price includes taxes and charges.From R 2,114, select.
Washington D.C..R 2,114 per passenger.Departing Mon, 22 Dec.One-way flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Buffalo Niagara on Mon, 22 Dec, arriving in Baltimore Washington International.Price includes taxes and charges.From R 2,114, select.
Washington D.C..R 2,115 per passenger.Departing Tue, 10 Feb.One-way flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Buffalo Niagara on Tue, 10 Feb, arriving in Baltimore Washington International.Price includes taxes and charges.From R 2,115, select.
Washington D.C..R 2,712 per passenger.Departing Wed, 18 Mar.One-way flight with American Airlines.Outbound indirect flight with American Airlines, departs from Buffalo Niagara on Wed, 18 Mar, arriving in Baltimore Washington International.Price includes taxes and charges.From R 2,712, select.

Find the cheapest month to fly from Buffalo Niagara to Baltimore Washington International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Buffalo Niagara to Baltimore Washington International flights are currently cheapest in September.
Sep
from R 1,250
Oct
from R 1,253
Nov
from R 1,347
Dec
from R 2,114
Jan
from R 2,114
Feb
from R 2,115
Mar
from R 2,712
Apr
from R 2,712
May
from R 3,640
Jun
from R 2,805
Jul
from R 2,972
Aug
from R 2,979

Direct flights from Buffalo Niagara to Baltimore Washington International

Buffalo Niagara to Baltimore Washington International: Alternative routes

Compare routes from Buffalo Niagara to Washington D.C. below. You may find an airport to fly into that's cheaper, faster, or easier than Baltimore Washington International.

Buffalo to Washington D.C.: Flight information

The things to know before you go.
Cheapest flight foundR 1,250
Cheapest month to flySeptember
Average flight time1 hr, 17 mins
Most popular airlineSouthwest Airlines
Average flights per week40

Finding cheap flights from Buffalo Niagara to Baltimore Washington International: Frequently asked questions

The best price we found for a return flight from Buffalo Niagara to Baltimore Washington International is R 2,466. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
1 hour and 17 minutes is the average flight time from Buffalo Niagara to Baltimore Washington International.
Southwest Airlines flies direct from Buffalo Niagara to Baltimore Washington International.
As of September 2025, there are 40 flights per week flying from Buffalo Niagara to Baltimore Washington International.
The cheapest month to fly from Buffalo Niagara to Baltimore Washington International is usually October.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Buffalo Niagara Airport to Baltimore Washington International Airport on Friday, 31 October 2025.
Yes – the average flight time is 1 hour and 17 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Baltimore Washington International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Washington D.C. is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Frontier Airlines and Southwest Airlines offer the cheapest flight tickets to Baltimore Washington International.

Flying from Buffalo Niagara International Airport (BUF) to Baltimore/Wash International Thurgood Marshall Airport (BWI): what you need to know

  • Around 1 hour 15 minutes is how long you can expect to be travelling on a direct flight from Buffalo Niagara International Airport to Baltimore/Wash International Thurgood Marshall Airport.

  • Washington DC's timezone is UTC-4, which is the same as Buffalo.

  • Flights from BUF to BWI start at 05:25 — the earliest with Southwest Airlines. The latest departure is at 20:10 with Southwest Airlines. In total, you can take your pick of 25 weekly Buffalo Niagara International Airport to Baltimore/Wash International Thurgood Marshall Airport flights.

  • To ensure you get on your BUF to BWI flight, leave plenty of time for things like check-in and baggage drop. Arriving two hours before international departures and one hour before domestic flights is the standard rule.

  • During popular months like August, it's best to get to the airport earlier than normal. Arrive two hours before a domestic departure and four hours ahead for an international flight when you travel during a peak period in general.

  • Jetting into Washington DC (and then exploring more of United States!) is a cinch with Southwest Airlines. This popular airline has direct flights from Buffalo Niagara International Airport to Baltimore/Wash International Thurgood Marshall Airport.

  • Most travellers choose to fly with Southwest Airlines on this route.

  • Southwest Airlines leads the way as the most punctual carrier for BUF to BWI flights, with 82.22% of services reaching their destination on schedule.

  • Think about adding a stopover when booking your ticket from Buffalo Niagara International Airport to Baltimore/Wash International Thurgood Marshall Airport. Simply deselect 'Direct flights only' to break up your journey, or even explore someplace new along the way. Here are some options between BUF and BWI:

    • Detroit Metropolitan Wayne County Airport

    • Raleigh-Durham International Airport

    • Charlotte Douglas International Airport

How to find the cheapest flights from Buffalo Niagara International Airport (BUF) to Baltimore/Wash International Thurgood Marshall Airport (BWI)

  • Right now, R 1,250 is the lowest price we've found for a one-way Buffalo Niagara International Airport to Baltimore/Wash International Thurgood Marshall Airport flight. The best price for a return plane ticket is R 2,483. Remember that fares could change due to availability when booking.

  • Score cheap tickets from BUF to BWI by booking seven months ahead. According to our research, that's the sweet spot for landing a bargain.

  • The cheapest month for flights from Buffalo Niagara International Airport to Baltimore/Wash International Thurgood Marshall Airport is June. Use the 'Whole month' tool to find the lowest prices if you have flexible dates.

  • You don't need to check every day to find out if fares have gone down when you create a Price Alert. We'll notify you the moment there's a change in price on cheap flights from BUF to BWI.

  • Choose your ideal departure and arrival times, airlines and number of stops with the filters. Or sort your results by 'Cheapest' to see the best deals on flights from Buffalo Niagara International Airport to Baltimore/Wash International Thurgood Marshall Airport.

Handy information about Buffalo Niagara International Airport (BUF)

  • BUF's address is Genesee Street.

  • 75.46% of flights taking off from Buffalo Niagara International Airport arrive at their destination on time.

  • Buffalo Niagara International Airport is around 18 kilometres from central Buffalo. If you're driving, ride-sharing or catching a cab from the centre, it'll take 20 minutes or so to get there, depending on the traffic.

  • Expect a trip time of roughly 1 hour 15 minutes on public transport.

  • Need a handy hotel close to BUF? If you're catching an early flight from Buffalo Niagara International Airport to Baltimore/Wash International Thurgood Marshall Airport, these accommodation options will have you sleeping moments from your check-in counter:

Arriving at Baltimore/Wash International Thurgood Marshall Airport (BWI)

Getting from Baltimore/Wash International Thurgood Marshall Airport (BWI) to central Washington DC

  • Baltimore/Wash International Thurgood Marshall Airport is approximately 48 kilometres from the centre of Washington DC. Driving there takes about 50 minutes.

  • It takes around 1 hour 30 minutes if you're using public transport.

When to fly to Baltimore/Wash International Thurgood Marshall Airport (BWI)

  • It's time to choose your travel dates for your flight from Buffalo Niagara International Airport to Baltimore/Wash International Thurgood Marshall Airport. July is the most popular month to visit Washington DC. If you prefer a more relaxed vibe, go in May.

  • When reserving your flight from Buffalo Niagara International Airport to Baltimore/Wash International Thurgood Marshall Airport, consider the type of weather you enjoy. July is the warmest month in Washington DC, with temperatures ranging from 19ºC (66ºF) to 33ºC (91ºF).

  • If you like travelling in cooler conditions, look for a cheap ticket from BUF to BWI in January. Temperatures average between -6ºC (21ºF) and 10ºC (50ºF) then.

Explore more of United States

  • You've seen Washington DC, now it's time to discover other parts of United States. Journey about 322 kilometres north-east to New York to tick off its top attractions. From Statue of Liberty to Central Park and Empire State Building, there's plenty to keep you busy.

  • Philadelphia is another well-known destination in United States and is around 193 kilometres north-east of Washington DC. No trip is complete without experiencing Liberty Bell, Independence Hall and Philadelphia Museum of Art.

Plan the rest of your trip from Buffalo to Washington D.C.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.