---
title: "Busan to Billings cheap flights (PUS to BIL) - Expedia"
description: "Cheap Flights from Busan (PUS) to Billings (BIL) 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/pus/bil/busan-to-billings"
language: en-US
market: US
currency: USD
prices_as_of: 2026-11-15T19:57:30Z
---

# Cheap Flights from Busan (PUS) to Billings (BIL)
![A river meandering through a valley with mountains in the background.](https://images.trvl-media.com/place/4999490/077d2052-6b5b-40ab-9389-17af6355ec8f.jpg?impolicy=fcrop&w=1200&h=500&q=medium)

## Popular airlines from Gimhae Airport (PUS) to Billings Logan Intl. Airport (BIL)

[American Airlines](https://www.expedia.com/Flights-Search?leg1=from:PUS,to:BIL,departure:11/29/2026TANYT&leg2=from:BIL,to:PUS,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:PUS,to:BIL,departure:11/29/2026TANYT&leg2=from:BIL,to:PUS,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:PUS,to:BIL,departure:11/29/2026TANYT&leg2=from:BIL,to:PUS,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:PUS,to:BIL,departure:11/29/2026TANYT&leg2=from:BIL,to:PUS,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:PUS,to:BIL,departure:11/29/2026TANYT&leg2=from:BIL,to:PUS,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:PUS,to:BIL,departure:11/29/2026TANYT&leg2=from:BIL,to:PUS,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:PUS,to:BIL,departure:11/29/2026TANYT&leg2=from:BIL,to:PUS,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
Get alerts if flight prices drop or rise\*

### Book smarter
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### Earn twice
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[Learn about One Key](https://www.expedia.com/welcome-one-key)

## Book with confidence

### Busan to Billings Flights

#### The cheapest times to fly from Busan to Billings

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

#### The best time to book a flight from Busan to Billings

Sunday is one of the best days to book for cheap flights from Busan to Billings: 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 Busan to Billings

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 Busan to Billings 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 Busan to Billings 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 Busan to Billings 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      | Gimhae Airport               |
| ------------------- | ---------------------------- |
| Destination airport | Billings Logan Intl. Airport |
| Distance            | 5,795 miles away             |

## Explore a world of travel with Expedia

- [Flights](?equalTargetTab=tab-0)
- [Flights from Savannah (SAV) to Billings (BIL)](https://www.expedia.com/lp/flights/sav/bil/savannah-to-billings)
- [Flights from Ontario Intl. Airport (ONT) to Billings (BIL)](https://www.expedia.com/lp/flights/ont/bil/ontario-to-billings)
- [Flights from Knoxville (TYS) to Billings (BIL)](https://www.expedia.com/lp/flights/tys/bil/knoxville-to-billings)
- [Flights from Casper (CPR) to Billings (BIL)](https://www.expedia.com/lp/flights/cpr/bil/casper-to-billings)
- [Flights from Newark Liberty Intl. Airport (EWR) to Billings (BIL)](https://www.expedia.com/lp/flights/ewr/bil/newark-liberty-intl-airport-to-billings)
- [Flights from Charleston (CHS) to Billings (BIL)](https://www.expedia.com/lp/flights/chs/bil/charleston-to-billings)
- [Flights from Milwaukee (MKE) to Billings (BIL)](https://www.expedia.com/lp/flights/mke/bil/milwaukee-to-billings)
- [Flights from Phoenix (PHX) to Billings (BIL)](https://www.expedia.com/lp/flights/phx/bil/phoenix-to-billings)
- [Flights from Charlotte (CLT) to Billings (BIL)](https://www.expedia.com/lp/flights/clt/bil/charlotte-to-billings)
- [Flights from Toronto (YYZ) to Billings (BIL)](https://www.expedia.com/lp/flights/yyz/bil/toronto-to-billings)
- [Flights from Louisville (SDF) to Billings (BIL)](https://www.expedia.com/lp/flights/sdf/bil/louisville-to-billings)
- [Flights from Hartford (BDL) to Billings (BIL)](https://www.expedia.com/lp/flights/bdl/bil/hartford-to-billings)
- [Flights from Fargo (FAR) to Billings (BIL)](https://www.expedia.com/lp/flights/far/bil/fargo-to-billings)
- [Flights from Helena (HLN) to Billings (BIL)](https://www.expedia.com/lp/flights/hln/bil/helena-to-billings)
- [Flights from McAllen (MFE) to Billings (BIL)](https://www.expedia.com/lp/flights/mfe/bil/mcallen-to-billings)
- [Flights from Columbus (CMH) to Billings (BIL)](https://www.expedia.com/lp/flights/cmh/bil/columbus-to-billings)
- [Flights from St. Louis (STL) to Billings (BIL)](https://www.expedia.com/lp/flights/stl/bil/st-louis-to-billings)
- [Flights from Philadelphia (PHL) to Billings (BIL)](https://www.expedia.com/lp/flights/phl/bil/philadelphia-to-billings)
- [Flights from Boise (BOI) to Billings (BIL)](https://www.expedia.com/lp/flights/boi/bil/boise-to-billings)
- [Flights from Medellín (MDE) to Billings (BIL)](https://www.expedia.com/lp/flights/mde/bil/medellin-to-billings)
- [Flights from Albuquerque (ABQ) to Billings (BIL)](https://www.expedia.com/lp/flights/abq/bil/albuquerque-to-billings)
- [Flights from Redmond (RDM) to Billings (BIL)](https://www.expedia.com/lp/flights/rdm/bil/redmond-to-billings)
- [Flights from Colorado Springs (COS) to Billings (BIL)](https://www.expedia.com/lp/flights/cos/bil/colorado-springs-to-billings)
- [Flights from Idaho Falls (IDA) to Billings (BIL)](https://www.expedia.com/lp/flights/ida/bil/idaho-falls-to-billings)
- [Flights from San Jose (SJC) to Billings (BIL)](https://www.expedia.com/lp/flights/sjc/bil/san-jose-to-billings)
- [Flights from Edmonton (YEG) to Billings (BIL)](https://www.expedia.com/lp/flights/yeg/bil/edmonton-to-billings)
- [Flights from Chattanooga (CHA) to Billings (BIL)](https://www.expedia.com/lp/flights/cha/bil/chattanooga-to-billings)
- [Flights from Washington (DCA) to Billings (BIL)](https://www.expedia.com/lp/flights/dca/bil/washington-to-billings)
- [Flights from Cody (COD) to Billings (BIL)](https://www.expedia.com/lp/flights/cod/bil/cody-to-billings)
- [Flights from Tulsa (TUL) to Billings (BIL)](https://www.expedia.com/lp/flights/tul/bil/tulsa-to-billings)
- [Flights from Williston (XWA) to Billings (BIL)](https://www.expedia.com/lp/flights/xwa/bil/williston-to-billings)
- [Flights from Detroit (DTW) to Billings (BIL)](https://www.expedia.com/lp/flights/dtw/bil/detroit-to-billings)
- [Flights from Appleton (ATW) to Billings (BIL)](https://www.expedia.com/lp/flights/atw/bil/appleton-to-billings)
- [Flights from Sheridan (SHR) to Billings (BIL)](https://www.expedia.com/lp/flights/shr/bil/sheridan-to-billings)
- [Flights from Cincinnati (CVG) to Billings (BIL)](https://www.expedia.com/lp/flights/cvg/bil/cincinnati-to-billings)
- [Flights from Minneapolis (MSP) to Billings (BIL)](https://www.expedia.com/lp/flights/msp/bil/minneapolis-to-billings)
- [Flights from Sidney (SDY) to Billings (BIL)](https://www.expedia.com/lp/flights/sdy/bil/sidney-to-billings)
- [Flights from New Orleans (MSY) to Billings (BIL)](https://www.expedia.com/lp/flights/msy/bil/new-orleans-to-billings)
- [Flights from Raleigh (RDU) to Billings (BIL)](https://www.expedia.com/lp/flights/rdu/bil/raleigh-to-billings)
- [Flights from Harrisburg (MDT) to Billings (BIL)](https://www.expedia.com/lp/flights/mdt/bil/harrisburg-to-billings)
- [Flights from Reno (RNO) to Billings (BIL)](https://www.expedia.com/lp/flights/rno/bil/reno-to-billings)
- [Flights from Dallas (DFW) to Billings (BIL)](https://www.expedia.com/lp/flights/dfw/bil/dallas-to-billings)
- [Flights from Burbank (BUR) to Billings (BIL)](https://www.expedia.com/lp/flights/bur/bil/burbank-to-billings)
- [Flights from Austin (AUS) to Billings (BIL)](https://www.expedia.com/lp/flights/aus/bil/austin-to-billings)
- [Flights from Des Moines (DSM) to Billings (BIL)](https://www.expedia.com/lp/flights/dsm/bil/des-moines-to-billings)
- [Flights from Dayton (DAY) to Billings (BIL)](https://www.expedia.com/lp/flights/day/bil/dayton-to-billings)
- [Flights from Las Vegas (LAS) to Billings (BIL)](https://www.expedia.com/lp/flights/las/bil/las-vegas-to-billings)
- [Flights from Bismarck (BIS) to Billings (BIL)](https://www.expedia.com/lp/flights/bis/bil/bismarck-to-billings)
- [Flights from Missoula (MSO) to Billings (BIL)](https://www.expedia.com/lp/flights/mso/bil/missoula-to-billings)
- [Flights from Houston (IAH) to Billings (BIL)](https://www.expedia.com/lp/flights/iah/bil/houston-to-billings)
- [Flights from Chicago (ORD) to Billings (BIL)](https://www.expedia.com/lp/flights/ord/bil/chicago-to-billings)
- [Flights from Salt Lake City (SLC) to Billings (BIL)](https://www.expedia.com/lp/flights/slc/bil/salt-lake-city-to-billings)
- [Flights from Little Rock (LIT) to Billings (BIL)](https://www.expedia.com/lp/flights/lit/bil/little-rock-to-billings)
- [Flights from Miles City (MLS) to Billings (BIL)](https://www.expedia.com/lp/flights/mls/bil/miles-city-to-billings)
- [Flights from Syracuse (SYR) to Billings (BIL)](https://www.expedia.com/lp/flights/syr/bil/syracuse-to-billings)
- [Flights from Eugene (EUG) to Billings (BIL)](https://www.expedia.com/lp/flights/eug/bil/eugene-to-billings)
- [Flights from Nashville (BNA) to Billings (BIL)](https://www.expedia.com/lp/flights/bna/bil/nashville-to-billings)
- [Flights from Orange County (SNA) to Billings (BIL)](https://www.expedia.com/lp/flights/sna/bil/orange-county-to-billings)
- [Flights from Corpus Christi (CRP) to Billings (BIL)](https://www.expedia.com/lp/flights/crp/bil/corpus-christi-to-billings)
- [Flights from St. George (SGU) to Billings (BIL)](https://www.expedia.com/lp/flights/sgu/bil/st-george-to-billings)
- [Flights from Cleveland (CLE) to Billings (BIL)](https://www.expedia.com/lp/flights/cle/bil/cleveland-to-billings)
- [Flights from Boston (BOS) to Billings (BIL)](https://www.expedia.com/lp/flights/bos/bil/boston-to-billings)
- [Flights from Sacramento (SMF) to Billings (BIL)](https://www.expedia.com/lp/flights/smf/bil/sacramento-to-billings)
- [Flights from Memphis (MEM) to Billings (BIL)](https://www.expedia.com/lp/flights/mem/bil/memphis-to-billings)
- [Flights from Denver (DEN) to Billings (BIL)](https://www.expedia.com/lp/flights/den/bil/denver-to-billings)
- [Flights from San Diego (SAN) to Billings (BIL)](https://www.expedia.com/lp/flights/san/bil/san-diego-to-billings)
- [Flights from Butte (BTM) to Billings (BIL)](https://www.expedia.com/lp/flights/btm/bil/butte-to-billings)
- [Flights from Bozeman (BZN) to Billings (BIL)](https://www.expedia.com/lp/flights/bzn/bil/bozeman-to-billings)
- [Flights from Johannesburg (JNB) to Billings (BIL)](https://www.expedia.com/lp/flights/jnb/bil/johannesburg-to-billings)
- [Flights from Grand Rapids (GRR) to Billings (BIL)](https://www.expedia.com/lp/flights/grr/bil/grand-rapids-to-billings)
- [Flights from Kansas City (MCI) to Billings (BIL)](https://www.expedia.com/lp/flights/mci/bil/kansas-city-to-billings)
- [Flights from Sioux Falls (FSD) to Billings (BIL)](https://www.expedia.com/lp/flights/fsd/bil/sioux-falls-to-billings)
- [Flights from Glendive (GDV) to Billings (BIL)](https://www.expedia.com/lp/flights/gdv/bil/glendive-to-billings)
- [Flights from Medford (MFR) to Billings (BIL)](https://www.expedia.com/lp/flights/mfr/bil/medford-to-billings)
- [Flights from Portland (PDX) to Billings (BIL)](https://www.expedia.com/lp/flights/pdx/bil/portland-to-billings)
- [Flights from San Antonio (SAT) to Billings (BIL)](https://www.expedia.com/lp/flights/sat/bil/san-antonio-to-billings)
- [Flights from Kalispell (FCA) to Billings (BIL)](https://www.expedia.com/lp/flights/fca/bil/kalispell-to-billings)
- [Flights from Fort Lauderdale (FLL) to Billings (BIL)](https://www.expedia.com/lp/flights/fll/bil/fort-lauderdale-to-billings)
- [Flights from Fayetteville (XNA) to Billings (BIL)](https://www.expedia.com/lp/flights/xna/bil/fayetteville-to-billings)
- [Flights from Miami (MIA) to Billings (BIL)](https://www.expedia.com/lp/flights/mia/bil/miami-to-billings)
- [Flights from Indianapolis (IND) to Billings (BIL)](https://www.expedia.com/lp/flights/ind/bil/indianapolis-to-billings)
- [Flights from Omaha (OMA) to Billings (BIL)](https://www.expedia.com/lp/flights/oma/bil/omaha-to-billings)
- [Flights from Seattle (SEA) to Billings (BIL)](https://www.expedia.com/lp/flights/sea/bil/seattle-to-billings)
- [Flights from Oklahoma City (OKC) to Billings (BIL)](https://www.expedia.com/lp/flights/okc/bil/oklahoma-city-to-billings)
- [Flights from Fresno (FAT) to Billings (BIL)](https://www.expedia.com/lp/flights/fat/bil/fresno-to-billings)
- [Flights from Spokane (GEG) to Billings (BIL)](https://www.expedia.com/lp/flights/geg/bil/spokane-to-billings)
- [Flights from Atlanta (ATL) to Billings (BIL)](https://www.expedia.com/lp/flights/atl/bil/atlanta-to-billings)
- [Flights from Madison (MSN) to Billings (BIL)](https://www.expedia.com/lp/flights/msn/bil/madison-to-billings)
- [Flights from Orlando (MCO) to Billings (BIL)](https://www.expedia.com/lp/flights/mco/bil/orlando-to-billings)
- [Flights from San Francisco (SFO) to Billings (BIL)](https://www.expedia.com/lp/flights/sfo/bil/san-francisco-to-billings)
- [Flights from Rapid City (RAP) to Billings (BIL)](https://www.expedia.com/lp/flights/rap/bil/rapid-city-to-billings)
- [Flights from Washington (IAD) to Billings (BIL)](https://www.expedia.com/lp/flights/iad/bil/washington-to-billings)
- [Flights from Great Falls (GTF) to Billings (BIL)](https://www.expedia.com/lp/flights/gtf/bil/great-falls-to-billings)
- [Flights from Albany (ALB) to Billings (BIL)](https://www.expedia.com/lp/flights/alb/bil/albany-to-billings)
- [Flights from New York (LGA) to Billings (BIL)](https://www.expedia.com/lp/flights/lga/bil/new-york-to-billings)
- [Flights from Baltimore (BWI) to Billings (BIL)](https://www.expedia.com/lp/flights/bwi/bil/baltimore-to-billings)
- [Flights from Pittsburgh (PIT) to Billings (BIL)](https://www.expedia.com/lp/flights/pit/bil/pittsburgh-to-billings)
- [Flights from Jacksonville (JAX) to Billings (BIL)](https://www.expedia.com/lp/flights/jax/bil/jacksonville-to-billings)
- [Flights from Los Angeles (LAX) to Billings (BIL)](https://www.expedia.com/lp/flights/lax/bil/los-angeles-to-billings)
- [Flights from Cheyenne (CYS) to Billings (BIL)](https://www.expedia.com/lp/flights/cys/bil/cheyenne-to-billings)

\*Available to One Key members.

## Other language versions

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hreflang:
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  en-US: https://www.expedia.com/lp/flights/pus/bil/busan-to-billings
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