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$90+ Cheap flights from Reagan-National (DCA) 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 7/1. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — BUF
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Washington, D.C. Reagan-National to Buffalo are usually found in January or April, booked 26 days in advance, depart on a Tuesday or Monday and return on a Saturday

Cheap flight deals from Reagan-National to Buffalo

Discover tips and strategies to find the most affordable flight options for your journey from Reagan-National (DCA) 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 junio 12, 2025.

Round-trip from

$194
(American Airlines)

One-way from

$90
(American Airlines)

Popular in

August

Cheapest in

January

Average price

$361

Good round-trip deal

$249 or less

Good one-way deal

$141 or less
From Washington, D.C. Reagan-National to Buffalo
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One-way flight from Washington, D.C. Reagan-National to Buffalo
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Highest demand for flights based on searches. 10% potential increase in price ($35 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Price to beat on a round-trip flight from Washington, D.C. Reagan-National to Buffalo.
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Price to beat on a one-way flight from Washington, D.C. Reagan-National to Buffalo.
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Find flight deals from Reagan-National to Buffalo

Cheapest flights from Reagan-National to Buffalo
Explore the most affordable flight options available from Reagan-National to Buffalo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on junio 12, 2025.

This American Airlines deal was found by Cheapflights users on 6/12. 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.
vie. 9/1210:20 pmDCA - BUF
Nonstop1h 30mAmerican Airlines
dom. 9/145:38 amBUF - DCA
Nonstop1h 21mAmerican Airlines
Deal found 6/12$194
This Delta deal was found by Cheapflights users on 6/10. 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.
sáb. 8/26:05 amDCA - BUF
1 stop6h 05mDelta
mar. 8/52:18 pmBUF - DCA
1 stop4h 37mDelta
Deal found 6/10$199
This United Airlines deal was found by Cheapflights users on 6/11. 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.
vie. 7/47:01 pmDCA - BUF
1 stop4h 37mUnited Airlines
sáb. 7/56:00 amBUF - DCA
1 stop6h 25mUnited Airlines
Deal found 6/11$212
This JetBlue deal was found by Cheapflights users on 6/10. 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.
mié. 10/85:20 pmDCA - BUF
1 stop4h 48mJetBlue
jue. 10/93:55 pmBUF - DCA
1 stop7h 01mJetBlue
Deal found 6/10$239
This Southwest deal was found by Cheapflights users on 6/10. 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.
mié. 8/276:55 amDCA - BUF
2 stops8h 20mSouthwest
vie. 8/297:15 amBUF - DCA
1 stop8h 55mSouthwest
Deal found 6/10$355

Cheapflights Fare Finder

Customize your flight search to find flights from Reagan-National 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 junio 12, 2025.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Buffalo that are best for you.

Fly from

Reagan-National

Fly to

Buffalo

Route

Depart

Return

Price

Washington, D.C.Buffalo

DCA - BUF

DCABUF

Washington, D.C. Reagan-National

vie. 9/12

10:20 pm-11:50 pm

Nonstop1h 30m

Buffalo

dom. 9/14

5:38 am-6:59 am

Nonstop1h 21m

$194

Washington, D.C.Buffalo

DCA - BUF

DCABUF

Washington, D.C. Reagan-National

sáb. 8/2

2:00 pm-9:09 pm

1 stop7h 09m

Buffalo

mié. 8/6

6:04 am-12:39 pm

1 stop6h 35m

$199

Washington, D.C.Buffalo

DCA - BUF

DCABUF

Washington, D.C. Reagan-National

vie. 7/4

7:01 pm-11:38 pm

1 stop4h 37m

Buffalo

sáb. 7/5

6:00 am-12:25 pm

1 stop6h 25m

$212

Washington, D.C.Buffalo

DCA - BUF

DCABUF

Washington, D.C. Reagan-National

mié. 10/8

5:20 pm-10:08 pm

1 stop4h 48m

Buffalo

jue. 10/9

3:55 pm-10:56 pm

1 stop7h 01m

$239

Washington, D.C.Buffalo

DCA - BUF

DCABUF

Washington, D.C. Reagan-National

mié. 8/27

6:55 am-3:15 pm

2 stops8h 20m

Buffalo

vie. 8/29

7:15 am-4:10 pm

1 stop8h 55m

$355

Washington, D.C.Buffalo

DCA - BUF

DCABUF

Washington, D.C. Reagan-National

mar. 7/1

12:48 pm-2:04 pm

Nonstop1h 16m

$90

Washington, D.C.Buffalo

DCA - BUF

DCABUF

Washington, D.C. Reagan-National

mar. 7/1

9:39 am-3:13 pm

1 stop5h 34m

$100

Washington, D.C.Buffalo

DCA - BUF

DCABUF

Washington, D.C. Reagan-National

mar. 7/8

3:45 pm-9:14 pm

1 stop5h 29m

$120

Washington, D.C.Buffalo

DCA - BUF

DCABUF

Washington, D.C. Reagan-National

mié. 10/8

8:30 am-9:13 pm

1 stop12h 43m

$207

Washington, D.C.Buffalo

DCA - BUF

DCABUF

Washington, D.C. Reagan-National

lun. 7/21

2:00 pm-12:25 am

2 stops10h 25m

$216

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 11 results
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Best time to book a flight from Reagan-National to Buffalo

Have a flexible travel schedule? Discover the best time to fly to Buffalo from Reagan-National 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. Reagan-National Airport to Buffalo

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

Use this chart to determine the optimal time to book a round-trip flight from Reagan-National to Buffalo. Price data was last updated on June 9, 2025.

The best time to book flights from Washington, D.C. Reagan-National Airport to Buffalo is 26 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Buffalo (average of $256). Flying from Washington, D.C. Reagan-National Airport 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 DCA to BUF?

Find hourly flight availability from Reagan-National 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 junio 12, 2025.

It’s optimal to fly from Washington, D.C. Reagan-National Airport to Buffalo in the evening. By choosing this option you can save up to 20% on the cost of your flight, compared to a flight in the afternoon.

What is the cheapest day to fly from Washington, D.C. Reagan-National Airport to Buffalo?

Use this chart to determine the cheapest time to fly round-trip from Reagan-National to Buffalo. Price data was last updated on June 8, 2025.

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

Weekly flight availability from Washington, D.C. Reagan-National Airport to Buffalo

Explore weekly flight availability from Reagan-National 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 junio 12, 2025.

The most flights from DCA to BUF are scheduled on a Monday (5 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (1 on average).

Rainfall in Buffalo by month

Plan your trip to Buffalo by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Buffalo ranges from 2.5 - 4.0 inches per month. November is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Buffalo when rainfall is around 2.5 in.

Temperature in Buffalo by month

Plan your trip to Buffalo by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Buffalo, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 24.8 F).

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 junio 12, 2025.
Read through reviews of airlines operating flights from Washington, D.C. to Buffalo, such as Southwest, Delta and United Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,287 reviews

Overall

8.0

Entertainment

7.6

Food

7.1

Comfort

8.0

Boarding

8.2

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Southwest
8.0
Very good
4,287 reviews
Southwest
8.0
Very good
4,287 reviews

Overall

8.0

Entertainment

7.6

Food

7.1

Comfort

8.0

Boarding

8.2

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Delta
8.0
Very good
7,946 reviews
Southwest
8.0
Very good
4,287 reviews

Overall

8.0

Entertainment

7.6

Food

7.1

Comfort

8.0

Boarding

8.2

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
United Airlines
7.4
Good
8,790 reviews
Southwest
8.0
Very good
4,287 reviews

Overall

8.0

Entertainment

7.6

Food

7.1

Comfort

8.0

Boarding

8.2

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
JetBlue
7.3
Good
2,925 reviews
Southwest
8.0
Very good
4,287 reviews

Overall

8.0

Entertainment

7.6

Food

7.1

Comfort

8.0

Boarding

8.2

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,287 reviews

Overall

8.0

Entertainment

7.6

Food

7.1

Comfort

8.0

Boarding

8.2

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Related info for your journey

Find useful and relevant information for your journey from Reagan-National 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. Reagan-National?

    Buffalo (BUF) is the airport you will fly into if you book a flight from Washington, D.C. Reagan-National to Buffalo. You should not have trouble finding flights to Buffalo from Washington, D.C. Reagan-National; the airport handles an average of 4 inbound flights from Washington, D.C. Reagan-National per day. You should also have plenty of airline options to choose from since 1 airline has flights to the Buffalo airport from Washington, D.C. Reagan-National. It is only a 8.3 mi journey from Buffalo (BUF) to Buffalo’s city center.

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

    American Airlines, at $194, was found to be the cheapest airline from Washington, D.C. Reagan-National Airport to Buffalo.Alternate airlines to your destination round-trip include Delta and United Airlines. These flights start at 35% lower than the current average price 3 months from now.

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

    $90 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on Delta and JetBlue, with prices starting from $100 and $120, respectively.

  • What are the most reliable airlines from Washington, D.C. Reagan-National Airport to Buffalo?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Washington, D.C. Reagan-National Airport to Buffalo on time: Republic Airways (88%), Envoy Air (80%), American Airlines (63%).

  • What are the cheapest flights from Washington, D.C. Reagan-National Airport to Buffalo?

    On average you can expect to pay $235 for a flight from Washington, D.C. Reagan-National Airport to Buffalo. The cheapest flight overall is $115 while the most popular route, (Washington, D.C. Reagan-National - Buffalo) is currently priced at $199.

  • Can I find deals for flights from Reagan-National to Buffalo that include hotel bookings?

    Yes. In addition to deals on Reagan-National to Buffalo flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Reagan-National to Buffalo?

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

  • Can I find deals for business class flights from Reagan-National to Buffalo?

    Yes. Cheapflights offers flight deals from Reagan-National 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. Reagan-National Airport to Buffalo?

    Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Buffalo (average of $256). Flying from Washington, D.C. Reagan-National Airport 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 Washington, D.C. Reagan-National Airport?

Book flights to Washington, D.C. Reagan-National Airport if you plan to visit one of these locations
Williamsville
Amherst
Orchard Park
Batavia
Eden
Cheektowaga
West Seneca

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Reagan-National to Buffalo

See prices for flight routes from nearby airports that may be better suited for you.
Dulles Intl to John F Kennedy Intl flights
Reagan-National to John F Kennedy Intl flights
Reagan-National to LaGuardia flights
Baltimore to Newark flights
Baltimore to LaGuardia flights
Baltimore to John F Kennedy Intl flights
Dulles Intl to LaGuardia flights
Dulles Intl to Newark flights
Reagan-National to Newark flights
Dulles Intl to Buffalo flights
Dulles Intl to Albany flights
Reagan-National to Albany flights
Baltimore to Buffalo flights
Dulles Intl to Syracuse flights
Baltimore to Albany flights
Reagan-National to Syracuse flights
Dulles Intl to Rochester flights
Reagan-National to Rochester flights
Baltimore to Syracuse flights
Baltimore to Rochester flights
Reagan-National to White Plains flights
Dulles Intl to White Plains flights
Dulles Intl to Plattsburgh flights
Dulles Intl to Ithaca flights
Dulles Intl to Islip flights
Baltimore to Stewart flights
Baltimore to Islip flights
Baltimore to White Plains flights
Reagan-National to Saranac Lake flights
Reagan-National to Ithaca flights
Baltimore to Ithaca flights
Reagan-National to Islip flights
Baltimore to Niagara Falls flights
Baltimore to Saranac Lake flights
Dulles Intl to Stewart flights
Dulles Intl to Saranac Lake flights
Baltimore to Plattsburgh flights
Reagan-National to Watertown flights
Dulles Intl to Watertown flights
Reagan-National to Binghamton flights
Dulles Intl to Binghamton flights
Baltimore to Watertown flights
Dulles Intl to Elmira flights
Reagan-National to Rutland flights
Baltimore to Binghamton flights
Reagan-National to Stewart flights
Baltimore to Elmira flights
Reagan-National to Elmira flights
Dulles Intl to Rutland flights

Top airline flying from Reagan-National to Buffalo

Discover the top airline that operate flights from Reagan-National 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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$185Average$295FlexibilityNo cancel feeOn-time71%

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