---
title: "Yeosu to Buffalo cheap flights (RSU to BUF) - Expedia"
description: "Cheap Flights from Yeosu (RSU) to Buffalo (BUF) start at for one-way and for round trip. Earn your airline miles on top of our rewards!"
canonical: "https://www.expedia.com/lp/flights/rsu/buf/yeosu-to-buffalo"
language: en-US
market: US
currency: USD
prices_as_of: 2026-11-15T19:41:27Z
---

# Cheap Flights from Yeosu (RSU) to Buffalo (BUF)
![A large waterfall cascading down a cliff, surrounded by dense forest and rocky terrain.](https://images.trvl-media.com/place/4609346/2846c06f-bb72-46ec-980d-b0fed10d4ee5.jpg?impolicy=fcrop&w=1200&h=500&q=medium)

## Popular airlines from Yeosu (RSU) to Buffalo Niagara Intl. Airport (BUF)

[American Airlines](https://www.expedia.com/Flights-Search?leg1=from:RSU,to:BUF,departure:11/29/2026TANYT&leg2=from:BUF,to:RSU,departure:12/6/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}])

[United](https://www.expedia.com/Flights-Search?leg1=from:RSU,to:BUF,departure:11/29/2026TANYT&leg2=from:BUF,to:RSU,departure:12/6/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}])

[Southwest Airlines](https://www.expedia.com/Flights-Search?leg1=from:RSU,to:BUF,departure:11/29/2026TANYT&leg2=from:BUF,to:RSU,departure:12/6/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"WN"}}])

[Delta](https://www.expedia.com/Flights-Search?leg1=from:RSU,to:BUF,departure:11/29/2026TANYT&leg2=from:BUF,to:RSU,departure:12/6/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}])

[Frontier Airlines](https://www.expedia.com/Flights-Search?leg1=from:RSU,to:BUF,departure:11/29/2026TANYT&leg2=from:BUF,to:RSU,departure:12/6/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"F9"}}])

[JetBlue Airways](https://www.expedia.com/Flights-Search?leg1=from:RSU,to:BUF,departure:11/29/2026TANYT&leg2=from:BUF,to:RSU,departure:12/6/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"B6"}}])

[Alaska Airlines](https://www.expedia.com/Flights-Search?leg1=from:RSU,to:BUF,departure:11/29/2026TANYT&leg2=from:BUF,to:RSU,departure:12/6/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AS"}}])

### Be in the know
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## Book with confidence

### Yeosu to Buffalo Flights

#### The cheapest times to fly from Yeosu 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 Yeosu to Buffalo are during the month of . You can find some of the cheapest flights from Yeosu to Buffalo with Expedia's search tool and vast selection of airlines.

#### The best time to book a flight from Yeosu to Buffalo

Sunday is one of the best days to book for cheap flights from Yeosu 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 Yeosu 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 Yeosu to Buffalo in 2026\. You can also book with separate airlines for your outbound and return journeys, from 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 Yeosu 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](https://www.expedia.com/package-deals). Bundling together your Yeosu 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.*

## Travel information

| Origin airport      | Yeosu                         |
| ------------------- | ----------------------------- |
| Destination airport | Buffalo Niagara Intl. Airport |
| Distance            | 6,811 miles away              |

## Explore a world of travel with Expedia

- [Flights](?equalTargetTab=tab-0)
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- [Flights from Raleigh (RDU) to Buffalo (BUF)](https://www.expedia.com/lp/flights/rdu/buf/raleigh-to-buffalo)
- [Flights from Orlando (MCO) to Buffalo (BUF)](https://www.expedia.com/lp/flights/mco/buf/orlando-to-buffalo)
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- [Flights from Los Angeles (LAX) to Buffalo (BUF)](https://www.expedia.com/lp/flights/lax/buf/los-angeles-to-buffalo)
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- [Flights from Savannah (SAV) to Buffalo (BUF)](https://www.expedia.com/lp/flights/sav/buf/savannah-to-buffalo)
- [Flights from Charleston (CHS) to Buffalo (BUF)](https://www.expedia.com/lp/flights/chs/buf/charleston-to-buffalo)
- [Flights from Rochester (ROC) to Buffalo (BUF)](https://www.expedia.com/lp/flights/roc/buf/rochester-to-buffalo)
- [Flights from El Paso (ELP) to Buffalo (BUF)](https://www.expedia.com/lp/flights/elp/buf/el-paso-to-buffalo)
- [Flights from Detroit (DTW) to Buffalo (BUF)](https://www.expedia.com/lp/flights/dtw/buf/detroit-to-buffalo)
- [Flights from Philadelphia (PHL) to Buffalo (BUF)](https://www.expedia.com/lp/flights/phl/buf/philadelphia-to-buffalo)
- [Flights from Wilmington (ILM) to Buffalo (BUF)](https://www.expedia.com/lp/flights/ilm/buf/wilmington-to-buffalo)
- [Flights from Colorado Springs (COS) to Buffalo (BUF)](https://www.expedia.com/lp/flights/cos/buf/colorado-springs-to-buffalo)
- [Flights from Cleveland (CLE) to Buffalo (BUF)](https://www.expedia.com/lp/flights/cle/buf/cleveland-to-buffalo)
- [Flights from Islip (ISP) to Buffalo (BUF)](https://www.expedia.com/lp/flights/isp/buf/islip-to-buffalo)
- [Flights from Memphis (MEM) to Buffalo (BUF)](https://www.expedia.com/lp/flights/mem/buf/memphis-to-buffalo)
- [Flights from White Plains (HPN) to Buffalo (BUF)](https://www.expedia.com/lp/flights/hpn/buf/white-plains-to-buffalo)
- [Flights from Columbus (CMH) to Buffalo (BUF)](https://www.expedia.com/lp/flights/cmh/buf/columbus-to-buffalo)
- [Flights from Albany (ALB) to Buffalo (BUF)](https://www.expedia.com/lp/flights/alb/buf/albany-to-buffalo)
- [Flights from Indianapolis (IND) to Buffalo (BUF)](https://www.expedia.com/lp/flights/ind/buf/indianapolis-to-buffalo)
- [Flights from Manchester (MHT) to Buffalo (BUF)](https://www.expedia.com/lp/flights/mht/buf/manchester-to-buffalo)
- [Flights from Cancun (CUN) to Buffalo (BUF)](https://www.expedia.com/lp/flights/cun/buf/cancun-to-buffalo)
- [Flights from Syracuse (SYR) to Buffalo (BUF)](https://www.expedia.com/lp/flights/syr/buf/syracuse-to-buffalo)
- [Flights from Louisville (SDF) to Buffalo (BUF)](https://www.expedia.com/lp/flights/sdf/buf/louisville-to-buffalo)
- [Flights from Washington (IAD) to Buffalo (BUF)](https://www.expedia.com/lp/flights/iad/buf/washington-to-buffalo)
- [Flights from Salt Lake City (SLC) to Buffalo (BUF)](https://www.expedia.com/lp/flights/slc/buf/salt-lake-city-to-buffalo)
- [Flights from Austin (AUS) to Buffalo (BUF)](https://www.expedia.com/lp/flights/aus/buf/austin-to-buffalo)
- [Flights from Greensboro (GSO) to Buffalo (BUF)](https://www.expedia.com/lp/flights/gso/buf/greensboro-to-buffalo)
- [Flights from Omaha (OMA) to Buffalo (BUF)](https://www.expedia.com/lp/flights/oma/buf/omaha-to-buffalo)
- [Flights from New York (JFK) to Niagara Falls (IAG)](https://www.expedia.com/lp/flights/jfk/iag/new-york-to-niagara-falls)
- [Flights from Baltimore (BWI) to Buffalo (BUF)](https://www.expedia.com/lp/flights/bwi/buf/baltimore-to-buffalo)
- [Flights from San Jose (SJC) to Buffalo (BUF)](https://www.expedia.com/lp/flights/sjc/buf/san-jose-to-buffalo)
- [Flights from Myrtle Beach (MYR) to Buffalo (BUF)](https://www.expedia.com/lp/flights/myr/buf/myrtle-beach-to-buffalo)
- [Flights from Missoula (MSO) to Buffalo (BUF)](https://www.expedia.com/lp/flights/mso/buf/missoula-to-buffalo)
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- [Flights from Tucson (TUS) to Buffalo (BUF)](https://www.expedia.com/lp/flights/tus/buf/tucson-to-buffalo)
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- [Flights from Denver (DEN) to Buffalo (BUF)](https://www.expedia.com/lp/flights/den/buf/denver-to-buffalo)
- [Flights from Greenville (GSP) to Buffalo (BUF)](https://www.expedia.com/lp/flights/gsp/buf/greenville-to-buffalo)
- [Flights from New York (LGA) to Buffalo (BUF)](https://www.expedia.com/lp/flights/lga/buf/new-york-to-buffalo)
- [Flights from Oklahoma City (OKC) to Buffalo (BUF)](https://www.expedia.com/lp/flights/okc/buf/oklahoma-city-to-buffalo)
- [Flights from Chicago (ORD) to Buffalo (BUF)](https://www.expedia.com/lp/flights/ord/buf/chicago-to-buffalo)
- [Flights from Burlington (BTV) to Buffalo (BUF)](https://www.expedia.com/lp/flights/btv/buf/burlington-to-buffalo)
- [Flights from Las Vegas (LAS) to Buffalo (BUF)](https://www.expedia.com/lp/flights/las/buf/las-vegas-to-buffalo)
- [Flights from Sarasota (SRQ) to Buffalo (BUF)](https://www.expedia.com/lp/flights/srq/buf/sarasota-to-buffalo)
- [Flights from Grand Rapids (GRR) to Buffalo (BUF)](https://www.expedia.com/lp/flights/grr/buf/grand-rapids-to-buffalo)
- [Flights from San Francisco (SFO) to Buffalo (BUF)](https://www.expedia.com/lp/flights/sfo/buf/san-francisco-to-buffalo)
- [Flights from Erie (ERI) to Buffalo (BUF)](https://www.expedia.com/lp/flights/eri/buf/erie-to-buffalo)
- [Flights from New York (NYC) to Buffalo (BUF)](https://www.expedia.com/lp/flights/nyc/buf/new-york-to-buffalo)
- [Flights from Toronto (YYZ) to Buffalo (BUF)](https://www.expedia.com/lp/flights/yyz/buf/toronto-to-buffalo)
- [Flights from Dallas (DFW) to Buffalo (BUF)](https://www.expedia.com/lp/flights/dfw/buf/dallas-to-buffalo)
- [Flights from West Palm Beach (PBI) to Buffalo (BUF)](https://www.expedia.com/lp/flights/pbi/buf/west-palm-beach-to-buffalo)
- [Flights from Richmond (RIC) to Buffalo (BUF)](https://www.expedia.com/lp/flights/ric/buf/richmond-to-buffalo)
- [Flights from New Orleans (MSY) to Buffalo (BUF)](https://www.expedia.com/lp/flights/msy/buf/new-orleans-to-buffalo)
- [Flights from Portland (PDX) to Buffalo (BUF)](https://www.expedia.com/lp/flights/pdx/buf/portland-to-buffalo)
- [Flights from Washington (DCA) to Buffalo (BUF)](https://www.expedia.com/lp/flights/dca/buf/washington-to-buffalo)
- [Flights from Bozeman (BZN) to Buffalo (BUF)](https://www.expedia.com/lp/flights/bzn/buf/bozeman-to-buffalo)
- [Flights from Des Moines (DSM) to Buffalo (BUF)](https://www.expedia.com/lp/flights/dsm/buf/des-moines-to-buffalo)
- [Flights from Newburgh (SWF) to Buffalo (BUF)](https://www.expedia.com/lp/flights/swf/buf/newburgh-to-buffalo)
- [Flights from Houston (HOU) to Buffalo (BUF)](https://www.expedia.com/lp/flights/hou/buf/houston-to-buffalo)
- [Flights from Kansas City (MCI) to Buffalo (BUF)](https://www.expedia.com/lp/flights/mci/buf/kansas-city-to-buffalo)
- [Flights from Milwaukee (MKE) to Buffalo (BUF)](https://www.expedia.com/lp/flights/mke/buf/milwaukee-to-buffalo)
- [Flights from Ontario Intl. Airport (ONT) to Buffalo (BUF)](https://www.expedia.com/lp/flights/ont/buf/ontario-to-buffalo)
- [Flights from Asheville (AVL) to Buffalo (BUF)](https://www.expedia.com/lp/flights/avl/buf/asheville-to-buffalo)
- [Flights from Hartford (BDL) to Buffalo (BUF)](https://www.expedia.com/lp/flights/bdl/buf/hartford-to-buffalo)
- [Flights from San Diego (SAN) to Buffalo (BUF)](https://www.expedia.com/lp/flights/san/buf/san-diego-to-buffalo)
- [Flights from Newark Liberty Intl. Airport (EWR) to Buffalo (BUF)](https://www.expedia.com/lp/flights/ewr/buf/newark-liberty-intl-airport-to-buffalo)
- [Flights from Albuquerque (ABQ) to Buffalo (BUF)](https://www.expedia.com/lp/flights/abq/buf/albuquerque-to-buffalo)
- [Flights from Allentown (ABE) to Buffalo (BUF)](https://www.expedia.com/lp/flights/abe/buf/allentown-to-buffalo)
- [Flights from Houston (IAH) to Buffalo (BUF)](https://www.expedia.com/lp/flights/iah/buf/houston-to-buffalo)
- [Flights from Sacramento (SMF) to Buffalo (BUF)](https://www.expedia.com/lp/flights/smf/buf/sacramento-to-buffalo)
- [Flights from Rome (FCO) to Buffalo (BUF)](https://www.expedia.com/lp/flights/fco/buf/rome-to-buffalo)
- [Flights from Phoenix (PHX) to Buffalo (BUF)](https://www.expedia.com/lp/flights/phx/buf/phoenix-to-buffalo)
- [Flights from Pittsburgh (PIT) to Buffalo (BUF)](https://www.expedia.com/lp/flights/pit/buf/pittsburgh-to-buffalo)

\*Available to One Key members.

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