$737 Cheap Flights from Seoul (ICN) to Buffalo (BUF)

View $737 flight on Tue, Nov 25, 2025Opens in a new window

Popular airlines from Incheon Intl. Airport (ICN) to Buffalo Niagara Intl. Airport (BUF)

Cheap Flights from Seoul to Buffalo (ICN-BUF)

Prices were available within the past 7 days and start at $737 for one-way flights and $845 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Asiana Airlines
Tue, Dec 16 - Thu, Jan 8
ICN
Seoul
BUF
Buffalo
$845 Roundtrip, found 6 days ago
$845
Roundtrip
found 6 days ago
Select Asiana Airlines flight, departing Tue, Dec 16 from Seoul to Buffalo, returning Thu, Jan 8, priced at $845 found 6 days ago
Asiana Airlines
Thu, Jan 29 - Thu, Feb 12
ICN
Seoul
BUF
Buffalo
$859 Roundtrip, found 6 days ago
$859
Roundtrip
found 6 days ago
Select Asiana Airlines flight, departing Thu, Jan 29 from Seoul to Buffalo, returning Thu, Feb 12, priced at $859 found 6 days ago
Asiana Airlines
Thu, Dec 25 - Thu, Jan 8
ICN
Seoul
BUF
Buffalo
$869 Roundtrip, found 6 days ago
$869
Roundtrip
found 6 days ago
Select Asiana Airlines flight, departing Thu, Dec 25 from Seoul to Buffalo, returning Thu, Jan 8, priced at $869 found 6 days ago
Asiana Airlines
Sat, Dec 27 - Thu, Jan 8
ICN
Seoul
BUF
Buffalo
$878 Roundtrip, found 6 days ago
$878
Roundtrip
found 6 days ago
Select Asiana Airlines flight, departing Sat, Dec 27 from Seoul to Buffalo, returning Thu, Jan 8, priced at $878 found 6 days ago
Asiana Airlines
Thu, Dec 25 - Sat, Jan 10
ICN
Seoul
BUF
Buffalo
$887 Roundtrip, found 6 days ago
$887
Roundtrip
found 6 days ago
Select Asiana Airlines flight, departing Thu, Dec 25 from Seoul to Buffalo, returning Sat, Jan 10, priced at $887 found 6 days ago
Asiana Airlines
Wed, Dec 24 - Sat, Jan 10
ICN
Seoul
BUF
Buffalo
$896 Roundtrip, found 6 days ago
$896
Roundtrip
found 6 days ago
Select Asiana Airlines flight, departing Wed, Dec 24 from Seoul to Buffalo, returning Sat, Jan 10, priced at $896 found 6 days ago
LOT-Polish Airlines
Sat, Dec 13 - Tue, Dec 23
ICN
Seoul
BUF
Buffalo
$1,146 Roundtrip, found 6 days ago
$1,146
Roundtrip
found 6 days ago
Select LOT-Polish Airlines flight, departing Sat, Dec 13 from Seoul to Buffalo, returning Tue, Dec 23, priced at $1,146 found 6 days ago
Delta
Wed, Oct 15 - Wed, Nov 5
ICN
Seoul
BUF
Buffalo
$1,423 Roundtrip, found 21 hours ago
$1,423
Roundtrip
found 21 hours ago
Select Delta flight, departing Wed, Oct 15 from Seoul to Buffalo, returning Wed, Nov 5, priced at $1,423 found 21 hours ago
United
Wed, Oct 15 - Wed, Nov 5
ICN
Seoul
BUF
Buffalo
$1,426 Roundtrip, found 21 hours ago
$1,426
Roundtrip
found 21 hours ago
Select United flight, departing Wed, Oct 15 from Seoul to Buffalo, returning Wed, Nov 5, priced at $1,426 found 21 hours ago
American Airlines
Mon, Dec 22 - Tue, Jan 6
ICN
Seoul
BUF
Buffalo
$1,437 Roundtrip, found 6 days ago
$1,437
Roundtrip
found 6 days ago
Select American Airlines flight, departing Mon, Dec 22 from Seoul to Buffalo, returning Tue, Jan 6, priced at $1,437 found 6 days ago

Alternative airports near Buffalo

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Buffalo Niagara Intl. BUF. Cheapest and Closest option available. Average driving time to city center is 16 minutes. Flights from $1,486
BUF
Buffalo Niagara Intl.
CheapestClosest
Average driving time to city center16 min
Flights from $1,486

Frequently asked questions

How much does a flight from Incheon Intl. Airport (ICN) to Buffalo Niagara Intl. Airport (BUF) cost?
Secure a cheap one-way flight from $737 or cheap return flight from $845 from Incheon Intl. Airport (ICN) to Buffalo Niagara Intl. Airport (BUF) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Incheon Intl. Airport (ICN) to Buffalo Niagara Intl. Airport (BUF)?
December is the most affordable month to fly from ICN to BUF. Traveling during quieter months is often the key to scoring lower fares.
What is the cheapest airline that flies from Incheon Intl. Airport (ICN) to Buffalo Niagara Intl. Airport (BUF)?
Use the filter tool on Expedia to compare different airlines and find the most affordable carrier that'll fly you from ICN to BUF. Then, sort your results by "Price (lowest to highest)" to score the best deal available.
How many flights per day from Incheon Intl. Airport (ICN) to Buffalo Niagara Intl. Airport (BUF)?
There are no daily direct flights departing from Incheon Intl. Airport (ICN) to Buffalo Niagara Intl. Airport (BUF). But you can book flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be on your way in no time.
What day of the week has the most flights from ICN to BUF?
Generally you'll have the most choice when it comes to flights on a Friday. Tuesdays tend to be the quietest.* But this can vary depending on the time of year, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Incheon Intl. Airport (ICN) to Buffalo Niagara Intl. Airport (BUF)?
To avoid possible delays on the Incheon Intl. Airport (ICN) to Buffalo Niagara Intl. Airport (BUF) route, travel before 3 PM. Departures after this time have a 22% higher chance of cancellation.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Incheon Intl. Airport (ICN) to Buffalo Niagara Intl. Airport (BUF) last-minute?
Last-minute bookings from ICN to BUF are generally more expensive. To secure the lowest prices, start looking for flights as soon as possible. That being said, if you can play around with your travel dates, you may land a cheap fare right before your trip.
Is it cheaper to book an ICN to BUF flight and hotel package?
Opting for an ICN to BUF flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels all in one place. Select from our impressive range of accommodations and then add activities, flights and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Incheon Intl. Airport (ICN) to Buffalo Niagara Intl. Airport (BUF)?
If you booked your ICN to BUF flight in the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the ticket type you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for further details.

Travel information

Travel information

Origin airport
Incheon Intl.
Destination airport
Buffalo Niagara Intl.
Airlines serving
Air Canada, American Airlines, Delta, Japan Airlines, KLM, Korean Air, Lufthansa, Qatar Airways, Turkish Airlines, United
Roundtrip price
$844
Distance
6661 mi

Book with confidence

Book with confidence

Seoul to Buffalo Flights

The cheapest times to fly from Seoul to Buffalo

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Seoul to Buffalo are during the month of December. You can find some of the cheapest flights from Seoul to Buffalo with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Seoul to Buffalo

Sunday is one of the best days to book for cheap flights from Seoul to Buffalo: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Seoul to Buffalo

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Seoul to Buffalo in 2025. You can also book with separate airlines for your outbound and return journeys, from $737 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Seoul to Buffalo flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Seoul to Buffalo airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Seoul to Buffalo Flights

Explore a world of travel with Expedia

Explore a world of travel with Expedia

*Available to One Key members.