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$89+ Cheap flights from Washington, D.C. (WAS) to Buffalo (BUF)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/5. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — BUF
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
1 adult, Economy
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Cheapflights Tip: The best prices from Washington, D.C. to Buffalo are usually found in April or February, booked 68 days in advance, depart on a Tuesday or Saturday and return on a Friday

Cheap flight deals from Washington, D.C. to Buffalo

Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) to Buffalo (BUF). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 31, 2025.

Round-trip from

$177
(Southwest)

One-way from

$89
(Frontier)

Popular in

July

Cheapest in

April

Average price

$343

Good round-trip deal

$240 or less

Good one-way deal

$146 or less
From Washington, D.C. (WAS) to Buffalo
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One-way flight from Washington, D.C. (WAS) to Buffalo
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Highest demand for flights based on searches. 5% potential increase in price ($17 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Price to beat on a round-trip flight from Washington, D.C. (WAS) to Buffalo.
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Price to beat on a one-way flight from Washington, D.C. (WAS) to Buffalo.
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Find flight deals from Washington, D.C. to Buffalo

Cheapest flights from Washington, D.C. to Buffalo
Explore the most affordable flight options available from Washington, D.C. to Buffalo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.

This Southwest deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/196:50 amBWI - BUF
Nonstop1h 15mSouthwest
Wed 8/207:40 amBUF - BWI
Nonstop1h 10mSouthwest
Deal found 7/29$177
This Frontier deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/96:45 amBWI - BUF
1 stop12h 17mFrontier
Sat 8/161:14 pmBUF - BWI
1 stop10h 45mFrontier
Deal found 7/30$178
This American Airlines deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1311:04 amBWI - BUF
1 stop6h 55mAmerican Airlines
Sat 9/206:50 pmBUF - BWI
1 stop4h 18mAmerican Airlines
Deal found 7/29$186
This Delta deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/195:40 amBWI - BUF
1 stop5h 17mDelta
Tue 8/197:34 pmBUF - BWI
1 stop3h 43mDelta
Deal found 7/29$187
This Priceline deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/226:10 amIAD - BUF
1 stop5h 28mFrontier
Sun 8/2411:12 amBUF - IAD
1 stop9h 36mFrontier
Deal found 7/29$199
This Southwest deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/96:35 pmDCA - BUF
1 stop4h 25mSouthwest
Wed 9/106:50 amBUF - DCA
2 stops7h 35mSouthwest
Deal found 7/30$202
This Delta deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/166:25 pmDCA - BUF
1 stop4h 34mDelta
Sat 8/236:50 pmBUF - DCA
1 stop4h 09mDelta
Deal found 7/30$203
This Delta deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/166:15 pmIAD - BUF
1 stop4h 44mDelta
Tue 8/196:20 amBUF - IAD
1 stop5h 12mDelta
Deal found 7/29$203
This American Airlines deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/1410:00 pmDCA - BUF
Nonstop1h 31mAmerican Airlines
Mon 8/185:30 amBUF - DCA
Nonstop1h 20mAmerican Airlines
Deal found 7/31$209
This United Airlines deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/510:30 pmIAD - BUF
Nonstop1h 29mUnited Airlines
Sun 9/76:00 amBUF - IAD
Nonstop1h 20mUnited Airlines
Deal found 7/29$215
This JetBlue deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/225:20 pmDCA - BUF
1 stop4h 48mJetBlue
Sun 10/266:32 pmBUF - DCA
1 stop4h 22mJetBlue
Deal found 7/31$219
This American Airlines deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/197:44 amIAD - BUF
1 stop6h 06mAmerican Airlines
Tue 8/196:33 pmBUF - IAD
1 stop4h 23mAmerican Airlines
Deal found 7/29$251

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington, D.C. to Buffalo that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 31, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Buffalo that are best for you.

Fly from

Washington, D.C.

Fly to

Buffalo

Route

Depart

Return

Price

BaltimoreBuffalo

BWI - BUF

BWIBUF

Baltimore/Washington

Tue 8/19

6:50 am-8:05 am

Nonstop1h 15m

Buffalo

Wed 8/20

7:40 am-8:50 am

Nonstop1h 10m

$177

BaltimoreBuffalo

BWI - BUF

BWIBUF

Baltimore/Washington

Sat 8/9

6:45 am-7:02 pm

1 stop12h 17m

Buffalo

Sat 8/16

1:14 pm-11:59 pm

1 stop10h 45m

$178

BaltimoreBuffalo

BWI - BUF

BWIBUF

Baltimore/Washington

Sat 9/13

11:04 am-5:59 pm

1 stop6h 55m

Buffalo

Sat 9/20

6:50 pm-11:08 pm

1 stop4h 18m

$186

BaltimoreBuffalo

BWI - BUF

BWIBUF

Baltimore/Washington

Tue 8/19

5:40 am-10:57 am

1 stop5h 17m

Buffalo

Tue 8/19

7:34 pm-11:17 pm

1 stop3h 43m

$187

Washington, D.C.Buffalo

IAD - BUF

IADBUF

Washington, D.C. Dulles Intl

Fri 8/22

6:10 am-11:38 am

1 stop5h 28m

Buffalo

Sun 8/24

11:12 am-8:48 pm

1 stop9h 36m

$199

Washington, D.C.Buffalo

DCA - BUF

DCABUF

Washington, D.C. Reagan-National

Tue 9/9

6:35 pm-11:00 pm

1 stop4h 25m

Buffalo

Wed 9/10

6:50 am-2:25 pm

2 stops7h 35m

$202

Washington, D.C.Buffalo

DCA - BUF

DCABUF

Washington, D.C. Reagan-National

Sat 8/16

6:25 pm-10:59 pm

1 stop4h 34m

Buffalo

Sat 8/23

6:50 pm-10:59 pm

1 stop4h 09m

$203

Washington, D.C.Buffalo

IAD - BUF

IADBUF

Washington, D.C. Dulles Intl

Sat 8/16

6:15 pm-10:59 pm

1 stop4h 44m

Buffalo

Tue 8/19

6:20 am-11:32 am

1 stop5h 12m

$203

Washington, D.C.Buffalo

DCA - BUF

DCABUF

Washington, D.C. Reagan-National

Thu 8/14

10:00 pm-11:31 pm

Nonstop1h 31m

Buffalo

Mon 8/18

5:30 am-6:50 am

Nonstop1h 20m

$209

Washington, D.C.Buffalo

IAD - BUF

IADBUF

Washington, D.C. Dulles Intl

Fri 9/5

10:30 pm-11:59 pm

Nonstop1h 29m

Buffalo

Sun 9/7

6:00 am-7:20 am

Nonstop1h 20m

$215

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Showing 1-10 of 27 results
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Best time to book a flight from Washington, D.C. to Buffalo

Have a flexible travel schedule? Discover the best time to fly to Buffalo from Washington, D.C. with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. to Buffalo

How far ahead should I book a flight from Washington, D.C. to Buffalo?

Use this chart to determine the optimal time to book a round-trip flight from Washington, D.C. to Buffalo. Price data was last updated on July 25, 2025.

Booking 68 days in advance of your planned departure date is, on average, the best time to get cheap flights from Washington, D.C. to Buffalo. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Washington, D.C. to Buffalo?

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. to Buffalo (average of $256). Flying from Washington, D.C. to Buffalo in December is currently the most expensive (average of $337). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from WAS to BUF?

Find hourly flight availability from Washington, D.C. to Buffalo. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 31, 2025.

One of the essential ways to save on airfare from Washington, D.C. to Buffalo is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the evening could potentially save you up to 16% on airfare.

What is the cheapest day to fly from Washington, D.C. to Buffalo?

Use this chart to determine the cheapest time to fly round-trip from Washington, D.C. to Buffalo. Price data was last updated on July 27, 2025.

Travelers seeking maximum savings on their Washington, D.C. to Buffalo flight should consider departing on Monday evenings when fares are most often at their lowest. Wednesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Washington, D.C. to Buffalo

Explore weekly flight availability from Washington, D.C. to Buffalo. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated July 31, 2025.

The most flights from WAS to BUF are scheduled on a Thursday (15 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (6 on average).

Reviews of airlines servicing Buffalo

Get insights into the airlines that provide service to Buffalo. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Buffalo. Reviews last updated July 31, 2025.
Read through reviews of airlines operating flights from Washington, D.C. to Buffalo, such as Southwest, Delta, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,246 reviews

Food

7.0

Entertainment

7.5

Comfort

8.0

Boarding

8.1

Crew

8.6

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
Southwest
8.0
Very good
4,246 reviews
Southwest
8.0
Very good
4,246 reviews

Food

7.0

Entertainment

7.5

Comfort

8.0

Boarding

8.1

Crew

8.6

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
Delta
8.0
Very good
7,981 reviews
Southwest
8.0
Very good
4,246 reviews

Food

7.0

Entertainment

7.5

Comfort

8.0

Boarding

8.1

Crew

8.6

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
United Airlines
7.4
Good
8,900 reviews
Southwest
8.0
Very good
4,246 reviews

Food

7.0

Entertainment

7.5

Comfort

8.0

Boarding

8.1

Crew

8.6

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
JetBlue
7.3
Good
2,914 reviews
Southwest
8.0
Very good
4,246 reviews

Food

7.0

Entertainment

7.5

Comfort

8.0

Boarding

8.1

Crew

8.6

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,246 reviews

Food

7.0

Entertainment

7.5

Comfort

8.0

Boarding

8.1

Crew

8.6

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. to Buffalo. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Buffalo from Washington, D.C.?

    Located just 8.3 mi from the city center, Buffalo is the airport most travelers will use when flying to Buffalo from Washington, D.C.. Booking flights from Washington, D.C. to Buffalo (BUF) should be relatively easy as there are 10 daily inbound flights from Washington, D.C. from 4 different airlines.

  • How popular is this Washington, D.C. to Buffalo flight route?

    This flight path from Washington, D.C. to Buffalo was viewed by 3 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • What are the cheapest airlines flying from Washington, D.C. to Buffalo round-trip?

    According to our current data, Southwest ($177), Frontier ($178), and American Airlines ($186) offers the cheapest pricing from Washington, D.C. to Buffalo. Southwest is priced at 39% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Washington, D.C. to Buffalo one-way?

    $89 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Delta and American Airlines, with prices starting from $94 and $96, respectively.

  • What are the most popular routes from Washington, D.C. to Buffalo?

    When deciding which route to take from Washington, D.C. to Buffalo consider Washington, D.C. Dulles Intl - Buffalo, Baltimore/Washington - Buffalo or Washington, D.C. Reagan-National - Buffalo as they are the most popular.

  • What are the cheapest flights from Washington, D.C. to Buffalo?

    While on average a flight from Washington, D.C. to Buffalo is generally $310, our data shows the cheapest flight currently is $151. When looking at the most popular route, (Washington, D.C. Dulles Intl - Buffalo), you can expect to pay $177 for that flight.

  • Can I find deals for flights from Washington, D.C. to Buffalo that include hotel bookings?

    Yes. In addition to deals on Washington, D.C. to Buffalo flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington, D.C. to Buffalo?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to Buffalo.

  • Can I find deals for business class flights from Washington, D.C. to Buffalo?

    Yes. Cheapflights offers flight deals from Washington, D.C. to Buffalo by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Washington, D.C. to Buffalo?

    Currently, January is the cheapest month in which you can book a flight from Washington, D.C. to Buffalo (average of $256). Flying from Washington, D.C. to Buffalo in December is currently the most expensive (average of $337). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Buffalo?

Book flights to Buffalo if you plan to visit one of these locations
Orchard Park
Batavia
Williamsville
Eden
Amherst
West Seneca

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Washington, D.C. to Buffalo

See prices for flight routes from nearby airports that may be better suited for you.
Reagan-National to John F Kennedy Intl flights
Dulles Intl to John F Kennedy Intl flights
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Dulles Intl to Binghamton flights
Reagan-National to Elmira flights
Dulles Intl to Elmira flights
Dulles Intl to Watertown flights
Dulles Intl to Saranac Lake flights
Reagan-National to Watertown flights
Reagan-National to Stewart flights
Dulles Intl to Rutland flights

Top 4 airlines flying from Washington, D.C. to Buffalo

Discover the top 4 airlines that operate flights from Washington, D.C. to Buffalo. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$118Average$233FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$158Average$329FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$179Average$320FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$200Average$334FlexibilityNo cancel feeOn-time63%

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