$778 Cheap Flights from Buffalo (BUF) to Seoul (GMP)

View $778 flight on Thu, Jan 15, 2026Opens in a new window

Popular airlines from Buffalo Niagara Intl. Airport (BUF) to Gimpo Intl. Airport (GMP)

Cheap Flights from Buffalo to Seoul (BUF-GMP)

Prices were available within the past 7 days and start at $778 for one-way flights and $1,116 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

China Eastern Airlines
Wed, Nov 5 - Mon, Nov 17
BUF
Buffalo
GMP
Seoul
$1,116 Roundtrip, found 6 days ago
$1,116
Roundtrip
found 6 days ago
Select China Eastern Airlines flight, departing Wed, Nov 5 from Buffalo to Seoul, returning Mon, Nov 17, priced at $1,116 found 6 days ago
China Eastern Airlines
Wed, Nov 12 - Mon, Nov 24
BUF
Buffalo
GMP
Seoul
$1,361 Roundtrip, found 6 days ago
$1,361
Roundtrip
found 6 days ago
Select China Eastern Airlines flight, departing Wed, Nov 12 from Buffalo to Seoul, returning Mon, Nov 24, priced at $1,361 found 6 days ago
China Eastern Airlines
Wed, Oct 29 - Mon, Nov 3
BUF
Buffalo
GMP
Seoul
$1,365 Roundtrip, found 1 day ago
$1,365
Roundtrip
found 1 day ago
Select China Eastern Airlines flight, departing Wed, Oct 29 from Buffalo to Seoul, returning Mon, Nov 3, priced at $1,365 found 1 day ago
Japan Airlines
Sat, Jan 24 - Mon, Jan 26
BUF
Buffalo
GMP
Seoul
$1,546 Roundtrip, found 6 days ago
$1,546
Roundtrip
found 6 days ago
Select Japan Airlines flight, departing Sat, Jan 24 from Buffalo to Seoul, returning Mon, Jan 26, priced at $1,546 found 6 days ago
JetBlue Airways
Sun, Feb 1 - Mon, Feb 9
BUF
Buffalo
GMP
Seoul
$1,552 Roundtrip, found 6 days ago
$1,552
Roundtrip
found 6 days ago
Select JetBlue Airways flight, departing Sun, Feb 1 from Buffalo to Seoul, returning Mon, Feb 9, priced at $1,552 found 6 days ago
American Airlines
Wed, Jan 14 - Sat, Jan 24
BUF
Buffalo
GMP
Seoul
$1,607 Roundtrip, found 6 days ago
$1,607
Roundtrip
found 6 days ago
Select American Airlines flight, departing Wed, Jan 14 from Buffalo to Seoul, returning Sat, Jan 24, priced at $1,607 found 6 days ago
American Airlines
Sun, Feb 1 - Mon, Feb 9
BUF
Buffalo
GMP
Seoul
$1,613 Roundtrip, found 6 days ago
$1,613
Roundtrip
found 6 days ago
Select American Airlines flight, departing Sun, Feb 1 from Buffalo to Seoul, returning Mon, Feb 9, priced at $1,613 found 6 days ago
Japan Airlines
Thu, Jan 15 - Fri, Jan 23
BUF
Buffalo
GMP
Seoul
$1,627 Roundtrip, found 6 days ago
$1,627
Roundtrip
found 6 days ago
Select Japan Airlines flight, departing Thu, Jan 15 from Buffalo to Seoul, returning Fri, Jan 23, priced at $1,627 found 6 days ago
Japan Airlines
Wed, Feb 4 - Wed, Feb 11
BUF
Buffalo
GMP
Seoul
$1,657 Roundtrip, found 6 days ago
$1,657
Roundtrip
found 6 days ago
Select Japan Airlines flight, departing Wed, Feb 4 from Buffalo to Seoul, returning Wed, Feb 11, priced at $1,657 found 6 days ago
All Nippon Airways
Fri, Jan 9 - Sun, Jan 18
BUF
Buffalo
GMP
Seoul
$1,789 Roundtrip, found 4 days ago
$1,789
Roundtrip
found 4 days ago
Select All Nippon Airways flight, departing Fri, Jan 9 from Buffalo to Seoul, returning Sun, Jan 18, priced at $1,789 found 4 days ago

Alternative airports near Seoul

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

Select flight to Incheon Intl. ICN. Cheapest option available. Average driving time to city center is 47 minutes. Flights from $1,354
ICN
Incheon Intl.
Cheapest
Average driving time to city center47 min
Flights from $1,354
Flights from Buffalo (BUF) to Seoul (GMP)
Origin airport
Buffalo Niagara Intl.
Destination airport
Gimpo Intl.
Airlines serving
All Nippon Airways, China Eastern Airlines, Japan Airlines
Roundtrip price
$1,115
Distance
6648 mi

Buffalo to Seoul Flights

The cheapest times to fly from Buffalo to Seoul

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 Buffalo to Seoul are during the month of November. You can find some of the cheapest flights from Buffalo to Seoul with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Buffalo to Seoul

Sunday is one of the best days to book for cheap flights from Buffalo to Seoul: 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 Buffalo to Seoul

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 Buffalo to Seoul in 2025. You can also book with separate airlines for your outbound and return journeys, from $778 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 Buffalo to Seoul 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 Buffalo to Seoul 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.

 

Frequently asked questions

How much does a flight from Buffalo Niagara Intl. Airport (BUF) to Gimpo Intl. Airport (GMP) cost?
Grab a cheap one-way flight from $778 or cheap return flight from $1,116 from Buffalo Niagara Intl. Airport (BUF) to Gimpo Intl. Airport (GMP) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Buffalo Niagara Intl. Airport (BUF) to Gimpo Intl. Airport (GMP)?
Planning your getaway for November is a good way to save, as it's the cheapest month for flights between BUF and GMP. You'll typically find the lowest fares during the off-season.
What is the cheapest airline that flies from Buffalo Niagara Intl. Airport (BUF) to Gimpo Intl. Airport (GMP)?
To find the cheapest airline flying from BUF to GMP, use Expedia's filter tool. Customize your search based on your travel needs, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from Buffalo Niagara Intl. Airport (BUF) to Gimpo Intl. Airport (GMP)?
There aren't any daily nonstop flights available from Buffalo Niagara Intl. Airport (BUF) to Gimpo Intl. Airport (GMP). But you can book flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be soaring above the clouds before you know it.
What day of the week has the most flights from BUF to GMP?
You'll generally find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Buffalo Niagara Intl. Airport (BUF) to Gimpo Intl. Airport (GMP)?
Choose a flight from Buffalo Niagara Intl. Airport (BUF) to Gimpo Intl. Airport (GMP) that takes off before 3 PM to reduce the likelihood of delays. Later departures have a 22% higher chance of being canceled, on average.**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 Buffalo Niagara Intl. Airport (BUF) to Gimpo Intl. Airport (GMP) last-minute?
Last-minute bookings from BUF to GMP are typically more expensive. To secure the cheapest rates, start searching for flights ahead of time. That being said, if you're flexible with your travel dates, you may land a cheap ticket just before your departure.
Is it cheaper to book a BUF to GMP flight and hotel package?
Compared with arranging flights and hotels separately, booking a BUF to GMP flight and hotel package with Expedia could lead to significant savings. Better still, having it all in one place will take the hassle out of planning your trip. Just secure your flights and choose from our extensive range of stays, then tailor your trip with extras like activities and car rentals.
Can I cancel or change the date of my flight from Buffalo Niagara Intl. Airport (BUF) to Gimpo Intl. Airport (GMP)?
Typically, you're able to reschedule or cancel your BUF to GMP flight. However, additional charges may apply, especially if your booking was made over 24 hours ago. Double-check your itinerary for the airline's fees and rules on flight changes, or if you'd like more information, go to our Customer Service portal.

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*Available to One Key members.