$184 Cheap Delta flights Alexandria (AEX) to Buffalo (BUF)

View $184 flight on Tue, Sep 2, 2025Opens in a new window

$184 Cheap Delta flights Alexandria (AEX) to Buffalo (BUF)

Prices were available within the past 7 days and start at $184 for one-way flights and $368 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Jun 2 - Sat, Jun 6
AEX
Alexandria
BUF
Buffalo
$368 Roundtrip, found 1 day ago
$368
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Jun 2 from Alexandria to Buffalo, returning Sat, Jun 6, priced at $368 found 1 day ago
Delta
Wed, Oct 15 - Fri, Oct 31
AEX
Alexandria
BUF
Buffalo
$374 Roundtrip, found 3 days ago
$374
Roundtrip
found 3 days ago
Select Delta flight, departing Wed, Oct 15 from Alexandria to Buffalo, returning Fri, Oct 31, priced at $374 found 3 days ago
Delta
Fri, Aug 29 - Sat, Sep 27
AEX
Alexandria
BUF
Buffalo
$382 Roundtrip, found 2 days ago
$382
Roundtrip
found 2 days ago
Select Delta flight, departing Fri, Aug 29 from Alexandria to Buffalo, returning Sat, Sep 27, priced at $382 found 2 days ago
Delta
Thu, Aug 21 - Sat, Sep 20
AEX
Alexandria
BUF
Buffalo
$392 Roundtrip, found 2 days ago
$392
Roundtrip
found 2 days ago
Select Delta flight, departing Thu, Aug 21 from Alexandria to Buffalo, returning Sat, Sep 20, priced at $392 found 2 days ago
Delta
Tue, Aug 19 - Wed, Sep 17
AEX
Alexandria
BUF
Buffalo
$396 Roundtrip, found 2 days ago
$396
Roundtrip
found 2 days ago
Select Delta flight, departing Tue, Aug 19 from Alexandria to Buffalo, returning Wed, Sep 17, priced at $396 found 2 days ago
Delta
Sun, Aug 24 - Sat, Oct 4
AEX
Alexandria
BUF
Buffalo
$398 Roundtrip, found 2 days ago
$398
Roundtrip
found 2 days ago
Select Delta flight, departing Sun, Aug 24 from Alexandria to Buffalo, returning Sat, Oct 4, priced at $398 found 2 days ago
Flights from Alexandria (AEX) to Buffalo (BUF)
Origin airport
Alexandria Intl.
Destination airport
Buffalo Niagara Intl.
Airlines serving
American Airlines, Delta
Popular airline
American Airlines
Distance
1102 mi

Frequently asked questions

How much is a Delta Air Lines flight from Alexandria Intl. Airport (AEX) to Buffalo Niagara Intl. Airport (BUF)?
Use the "Price (lowest to highest)" filter on Expedia to look for cheap Delta Air Lines round-trip flights from $368 from AEX to BUF. Affordable one-way fares from $184 are also available.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from AEX to BUF with Delta Air Lines?
Look for return or one-way flights to Buffalo in January or February. You could find an affordable fare with Delta Air Lines during these off-peak times.
What is the cheapest time to book flights from Alexandria Intl. Airport (AEX) to Buffalo Niagara Intl. Airport (BUF) with Delta Air Lines?
Look for affordable Delta Air Lines flights from Alexandria Intl. Airport (AEX) to Buffalo Niagara Intl. Airport (BUF) one to three months ahead of your departure. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. Regardless of fare class and journey, the best day to book a domestic flight is usually Sunday and the most expensive is typically Monday. Passengers who book on a Sunday can save 6% on average compared to those who book their travel on a Monday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does Delta Air Lines fly nonstop from Alexandria Intl. Airport (AEX) to Buffalo Niagara Intl. Airport (BUF)?
Click on our "Nonstop" filter when looking for direct Delta Air Lines flights from AEX to BUF. You'll also be able to compare other carriers offering the same nonstop route.
What is the earliest Delta Air Lines flight from AEX to BUF?
To find the earliest departure from AEX to BUF with Delta Air Lines, filter your results by "Morning" and "Early Morning." Booking an early flight usually means you're less likely to experience cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does Delta Air Lines fly into in Buffalo?
Delta Air Lines flights from Alexandria Intl. Airport (AEX) to Buffalo touch down at Buffalo Niagara Intl. Airport (BUF). This is the main entry point to this destination.
Why fly with Delta Air Lines from AEX to BUF?
Flying from AEX to BUF with Delta Air Lines comes with plenty of perks, including a rewarding loyalty program and an excellent in-flight experience. Plus, when booking through Expedia, One Key™ members can earn OneKeyCash™* to redeem on select future travel purchases. That's on top of the Delta SkyMiles points you can earn with Delta Air Lines.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my Delta Air Lines flight from Alexandria Intl. Airport (AEX) to Buffalo Niagara Intl. Airport (BUF)?
Depending on your ticket type, a fee typically applies if you cancel or reschedule your booking more than 24 hours after it's confirmed. To find flexible plane tickets, select our "Changes included" and "No cancel fee" boxes while looking for flights. For more information on canceling or changing your reservation, head to "Trips," select your flight and click on "Manage Booking."

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*Available to One Key members.