Title: $506 Cheap flights from Budapest to Billings (BUD to BIL) - Expedia.com ![](https://images.trvl-media.com/place/583/2f224b32-a8bd-461c-b894-ba4b8bc4e680.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/583/2f224b32-a8bd-461c-b894-ba4b8bc4e680.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # $506 Cheap Flights from Budapest (BUD) to Billings (BIL) [View $506 flight on Fri, May 29, 2026](https://expedia.com/Flights-Search?trip=oneway&leg1=from:BUD,to:BIL,departure:5/29/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:505.43&airProductToken=AQqYAQovCMGCARICOTcYgR0g71koxaGOAzD6pY4DOEJAAFgBagVCQVNJQ3IIT0tONUM1QjQKMQjBggESAzQwMhjvWSCjsQEo6KaOAzDOqI4DOEJAAVgBagVCQVNJQ3IIT0tONUM1QjQKMgjBggESBDM5MzcYo7EBIIFaKIeqjgMwu6uOAzhCQAFYAWoFQkFTSUNyCE9LTjVDNUI0EgoIARABGAEqAkFBGAEiBAgBEAEoAigDKAQwCw) ## Popular airlines from Ferenc Liszt Intl. Airport (BUD) to Billings Logan Intl. Airport (BIL) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg) American Airlines [](https://www.expedia.com/Flights-Search?leg1=from:BUD,to:BIL,departure:3/29/2026TANYT&leg2=from:BIL,to:BUD,departure:4/5/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AF.svg) Air France [](https://www.expedia.com/Flights-Search?leg1=from:BUD,to:BIL,departure:3/29/2026TANYT&leg2=from:BIL,to:BUD,departure:4/5/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AF"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_BA.svg) British Airways [](https://www.expedia.com/Flights-Search?leg1=from:BUD,to:BIL,departure:3/29/2026TANYT&leg2=from:BIL,to:BUD,departure:4/5/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"BA"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_DL.svg) Delta [](https://www.expedia.com/Flights-Search?leg1=from:BUD,to:BIL,departure:3/29/2026TANYT&leg2=from:BIL,to:BUD,departure:4/5/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_KL.svg) KLM [](https://www.expedia.com/Flights-Search?leg1=from:BUD,to:BIL,departure:3/29/2026TANYT&leg2=from:BIL,to:BUD,departure:4/5/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"KL"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_LH.svg) Lufthansa [](https://www.expedia.com/Flights-Search?leg1=from:BUD,to:BIL,departure:3/29/2026TANYT&leg2=from:BIL,to:BUD,departure:4/5/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"LH"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_UA.svg) United [](https://www.expedia.com/Flights-Search?leg1=from:BUD,to:BIL,departure:3/29/2026TANYT&leg2=from:BIL,to:BUD,departure:4/5/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) - ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__notification.svg) ### Be in the know Get alerts if flight prices drop or rise\* - ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg) ### Book smarter Save up to 30% on select hotels after you book a flight\* - ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### Earn twice Earn your airline miles on top of our OneKeyCash [Learn about One Key](https://www.expedia.com/welcome-one-key) ## Cheap Flights from Budapest to Billings (BUD-BIL) Prices were available within the past 7 days and start at $506 for one-way flights and $853 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Mon, May 4 - Mon, Nov 2 BUD Budapest BIL Billings $853 Roundtrip found 10 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:BUD,to:BIL,departure:5/4/2026TANYT&leg2=from:BIL,to:BUD,departure:11/2/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:852.43&airProductToken=AQqxAQo9CMGCARIEOTAxMhiBHSCHWSidiYwDMKmKjAM4T0AAWAFqBUJBU0lDcghPTE40QzhCV3oKCMGyARIEMTI1Mgo8CMGCARIEOTAxORiHWSCjsQEon5SMAzCVmYwDOE9AAVgBagVCQVNJQ3IIT0xONEM4Qld6CAjBsgESAjE5CjIIwYIBEgQzOTM3GKOxASCBWijlm4wDMJudjAM4QkABWAFqBUJBU0lDcghPTE40QzhCVwqmAQoyCMGCARIENDA5NRiBWiCjsQEo7I2cAzCWj5wDOEJAAFgBagVCQVNJQ3IIT0tONEM4QlcKMQjBggESAjc4GKOxASDriQEo0o-cAzD4k5wDOEJAAVgBagVCQVNJQ3IIT0tONEM4QlcKPQjBggESBDY3NjkY64kBIIEdKMyWnAMw55ecAzhPQAFYAWoFQkFTSUNyCE9LTjRDOEJXegkIwoIBEgM4ODASCggBEAEYASoCQUEYASIECAEQASgCKAMoBDAL) ![British Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/BA.gif) Tue, May 5 - Tue, Nov 10 BUD Budapest BIL Billings $854 Roundtrip found 1 day ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:BUD,to:BIL,departure:5/5/2026TANYT&leg2=from:BIL,to:BUD,departure:11/10/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:853.43&airProductToken=AQqbAQoxCMKCARIDODY3GIEdIOuJASill4wDMMWYjAM4T0AAWAFqBU5PQkFHcghPTE40QzhCVwoyCMKCARIDMTkzGOuJASCjsQEoy6CMAzCtpYwDOE9AAVgBagVOT0JBR3IIT0xONEM4QlcKMgjBggESBDM5MzcYo7EBIIFaKIWnjAMwu6iMAzhPQAFYAWoFTk9CQUdyCE9MTjRDOEJXCpsBCjIIwYIBEgQ0MDk1GIFaIKOxASjs55wDMJbpnAM4T0AAWAFqBU5PQkFHcghPTE40QzhCVwoyCMKCARIDMTkyGKOxASDriQEo4-qcAzD_7pwDOE9AAVgBagVOT0JBR3IIT0xONEM4QlcKMQjCggESAzg2OBjriQEggR0owO-cAzDb8JwDOE9AAVgBagVOT0JBR3IIT0xONEM4QlcSCggBEAEYASoCQkEYASIECAEQASgCKAMoBDAN) ![British Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/BA.gif) Tue, May 5 - Tue, Nov 10 BUD Budapest BIL Billings $862 Roundtrip found 1 day ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:BUD,to:BIL,departure:5/5/2026TANYT&leg2=from:BIL,to:BUD,departure:11/10/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:861.43&airProductToken=AQqqAQoyCMKCARIDODcxGIEdIOuJASigkowDMM-TjAM4UUAAWAFqBU5PQkFHcglRTE43QzhCV1cKMwjCggESAzE5MxjriQEgo7EBKKuVjAMwjZqMAzhRQAFYAWoFTk9CQUdyCVFMTjdDOEJXVwo_CMGCARIEMzkzNxijsQEggVoo5ZuMAzCbnYwDOFFAAVgBagVOT0JBR3IJUUxON0M4QldXegoIzaIBEgQzOTM3CqoBCj8IwYIBEgQ0MDk1GIFaIKOxASjs55wDMJbpnAM4T0AAWAFqBU5PQkFHcglPTE40QzhCV1d6CgjNogESBDQwOTUKMwjCggESAzE5MhijsQEg64kBKOPqnAMw_-6cAzhPQAFYAWoFTk9CQUdyCU9MTjRDOEJXVwoyCMKCARIDODY4GOuJASCBHSjA75wDMNvwnAM4T0ABWAFqBU5PQkFHcglPTE40QzhCV1cSCggBEAEYASoCQkEYASIECAEQASgCKAMwDQ) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Tue, May 5 - Tue, Nov 10 BUD Budapest BIL Billings $863 Roundtrip found 1 day ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:BUD,to:BIL,departure:5/5/2026TANYT&leg2=from:BIL,to:BUD,departure:11/10/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:862.93&airProductToken=AQqzAQo9CMGCARIENjcxMxiBHSDriQEooJKMAzDPk4wDOFNAAFgBagVCQVNJQ3IIT0xONUM1Qld6CQjCggESAzg3MQo-CMGCARIENjk1MBjriQEgo7EBKKuVjAMwjZqMAzhPQAFYAWoFQkFTSUNyCE9MTjVDNUJXegkIwoIBEgMxOTMKMgjBggESBDM5MzcYo7EBIIFaKOWbjAMwm52MAzhCQAFYAWoFQkFTSUNyCE9MTjVDNUJXEgoIARABGAEqAkFBGAEiBAgBEAEoAigDKAQwCw) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Tue, May 5 - Tue, Nov 10 BUD Budapest BIL Billings $874 Roundtrip found 1 day ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:BUD,to:BIL,departure:5/5/2026TANYT&leg2=from:BIL,to:BUD,departure:11/10/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:873.73&airProductToken=AQqzAQo9CMGCARIENjcxMxiBHSDriQEooJKMAzDPk4wDOFNAAFgBagVCQVNJQ3IIT0xONEM4QjR6CQjCggESAzg3MQo-CMGCARIENjk1MBjriQEgo7EBKKuVjAMwjZqMAzhPQAFYAWoFQkFTSUNyCE9MTjRDOEI0egkIwoIBEgMxOTMKMgjBggESBDM5MzcYo7EBIIFaKOWbjAMwm52MAzhCQAFYAWoFQkFTSUNyCE9MTjRDOEI0CqYBCjIIwYIBEgQzNzQ2GIFaIKOxASiM5JwDMMHlnAM4QkAAWAFqBUJBU0lDcghPTE40QzhCNAoxCMGCARICNTAYo7EBIOuJASiZ6JwDMLrsnAM4QkABWAFqBUJBU0lDcghPTE40QzhCNAo9CMGCARIENjY4NRjriQEggR0ogO2cAzCW7pwDOE9AAVgBagVCQVNJQ3IIT0xONEM4QjR6CQjCggESAzg2NhIKCAEQARgBKgJBQRgBIgQIARABKAIoAygEMAs) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Tue, May 5 - Tue, Nov 10 BUD Budapest BIL Billings $876 Roundtrip found 1 day ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:BUD,to:BIL,departure:5/5/2026TANYT&leg2=from:BIL,to:BUD,departure:11/10/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:875.13&airProductToken=AQqzAQo9CMGCARIENjcxMxiBHSDriQEooJKMAzDPk4wDOFNAAFgBagVCQVNJQ3IIT0xONUM1Qld6CQjCggESAzg3MQo-CMGCARIENjk1MBjriQEgo7EBKKuVjAMwjZqMAzhPQAFYAWoFQkFTSUNyCE9MTjVDNUJXegkIwoIBEgMxOTMKMgjBggESBDM5MzcYo7EBIIFaKOWbjAMwm52MAzhCQAFYAWoFQkFTSUNyCE9MTjVDNUJXEgoIARABGAEqAkFBGAEiBAgBEAEoAigDKAQwCw) ![British Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/BA.gif) Tue, May 5 - Tue, Nov 10 BUD Budapest BIL Billings $877 Roundtrip found 1 day ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:BUD,to:BIL,departure:5/5/2026TANYT&leg2=from:BIL,to:BUD,departure:11/10/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:876.63&airProductToken=AQqbAQoxCMKCARIDODY3GIEdIOuJASill4wDMMWYjAM4T0AAWAFqBU5PQkFHcghPTE40QzhCVwoyCMKCARIDMTkzGOuJASCjsQEoy6CMAzCtpYwDOE9AAVgBagVOT0JBR3IIT0xONEM4QlcKMgjBggESBDM5MzcYo7EBIIFaKIWnjAMwu6iMAzhPQAFYAWoFTk9CQUdyCE9MTjRDOEJXCqUBCjIIwYIBEgQzNzQ2GIFaIKOxASiM5JwDMMHlnAM4T0AAWAFqBU5PQkFHcghPTE40QzhCVwo9CMKCARIENDI5NhijsQEgjBgoq-ecAzDb65wDOE9AAVgBagVOT0JBR3IIT0xONEM4Qld6CQjJhAESAzM2NAowCMmEARIDODY5GIwYIIEdKJzsnAMw2u2cAzhPQAFYAWoFTk9CQUdyCE9MTjRDOEJXEgoIARABGAEqAkJBGAEiBAgBEAEoAigDKAQwDQ) ![Finnair](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AY.gif) Mon, May 4 - Wed, Nov 4 BUD Budapest BIL Billings $933 Roundtrip found 1 day ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:BUD,to:BIL,departure:5/4/2026TANYT&leg2=from:BIL,to:BUD,departure:11/4/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:932.03&airProductToken=AQqmAQoxCMGyARIEMTI1NhiBHSCHWSiZjIwDMKWNjAM4TkAAWAFqBU5PQkFHcghOTE43QzhCVwo9CMKCARIENjA1MxiHWSCjsQEon5SMAzCVmYwDOE5AAVgBagVOT0JBR3IITkxON0M4Qld6CQjBsgESAzAxOQoyCMGCARIEMzkzNxijsQEggVoo5ZuMAzCbnYwDOE5AAVgBagVOT0JBR3IITkxON0M4QlcKmwEKMgjBggESBDQwOTUYgVogo7EBKKyknAMw1qWcAzhPQABYAWoFTk9CQUdyCE9MTjRDOEJXCjIIwoIBEgMxOTIYo7EBIOuJASijp5wDML-rnAM4T0ABWAFqBU5PQkFHcghPTE40QzhCVwoxCMKCARIDODY4GOuJASCBHSiZrJwDMLStnAM4T0ABWAFqBU5PQkFHcghPTE40QzhCVxIKCAEQARgBKgJCQRgBIgQIARABKAIoAygEMA0) ![Lufthansa](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/LH.gif) Tue, May 5 - Tue, Nov 10 BUD Budapest BIL Billings $960 Roundtrip found 1 day ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:BUD,to:BIL,departure:5/5/2026TANYT&leg2=from:BIL,to:BUD,departure:11/10/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:959.83&airProductToken=AQq5AQo0CMyQARIEMTM0MxiBHSClBCjLkYwDMLSSjAM4S0AAWAFqCEVDT0xJR0hUcghLWDZRQVhCUQo_CMyQARIENzU4NhilBCCDaSiQlIwDMPeYjAM4S0ABWAFqCEVDT0xJR0hUcghLWDZRQVhCUXoJCNWCARIDMTgxCkAIzJABEgQ4NzU4GINpIIFaKNCbjAMwsZyMAzhLQAFYAWoIRUNPTElHSFRyCEtYNlFBWEJRegoI1YIBEgQxNDE3CrgBCj8IzJABEgQ4NzU3GIFaIINpKJTonAMw--icAzhLQABYAWoIRUNPTElHSFRyCEtYNlFBWEJRegkI1YIBEgM0NzgKPwjMkAESBDc2MTMYg2kgjBUo6OqcAzCx75wDOEtAAVgBaghFQ09MSUdIVHIIS1g2UUFYQlF6CQjVggESAzc2MAo0CMyQARIEMTY4MBiMFSCBHSiP8pwDMNrynAM4S0ABWAFqCEVDT0xJR0hUcghLWDZRQVhCURIKCAIQARgCKgJMSBgBIgQIARABKAIoAygEMAs) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Mon, May 4 - Mon, Nov 2 BUD Budapest BIL Billings $988 Roundtrip found 10 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:BUD,to:BIL,departure:5/4/2026TANYT&leg2=from:BIL,to:BUD,departure:11/2/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:987.13&airProductToken=AQqtAQpACNWCARIEOTAzNxiBHSCMFSjoiYwDMLiKjAM4S0AAWAFqCEVDT0JBU0lDcghLWDZRS1hCUXoKCMyQARIEMTY3NwozCNWCARIDNzYxGIwVIINpKJKLjAMwkpCMAzhLQAFYAWoIRUNPQkFTSUNyCEtYNlFLWEJRCjQI1YIBEgQ1MjU3GINpIIFaKJeRjAMw_ZGMAzhLQAFYAWoIRUNPQkFTSUNyCEtYNlFLWEJRCqwBCjMI1YIBEgM0NzgYgVogg2kolI6cAzD7jpwDOEtAAFgBaghFQ09CQVNJQ3IIS1g2UUtYQlEKMwjVggESAzc2MBiDaSCMFSjokJwDMLGVnAM4S0ABWAFqCEVDT0JBU0lDcghLWDZRS1hCUQpACNWCARIEOTA1MxiMFSCBHSiPmJwDMNqYnAM4S0ABWAFqCEVDT0JBU0lDcghLWDZRS1hCUXoKCMyQARIEMTY4MBIKCAEQARgBKgJVQRgBIgQIARABKAIoAygEMAE) ![](https://forever.travel-assets.com/flex/flexmanager/images/2026/02/06/expedia-sale-2026-desktop-us-ca.jpg?impolicy=fcrop&w=1400&h=600&q=mediumHigh) ## The Annual Vacation Sale Members save up to 40% on hotels and homes. Plan this year’s big trip and save. [Book now](https://expedia.com/deals?rfrr=FTG_SPRING_PROMO_) ## Travel information | Origin airport | Ferenc Liszt Intl. | | ------------------- | ----------------------------------------------------------------------------- | | Destination airport | Logan Intl. | | Airlines serving | Air France, American Airlines, British Airways, Delta, KLM, Lufthansa, United | | Roundtrip price | $852 | | Distance | 5263 mi | ## Book with confidence # Budapest to Billings Flights The cheapest times to fly from Budapest 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 Budapest to Billings are during the month of May. You can find some of the cheapest flights from Budapest to Billings with Expedia's search tool and vast selection of airlines. The best time to book a flight from Budapest to Billings Sunday is one of the best days to book for cheap flights from Budapest 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 Budapest 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 Budapest to Billings in 2026\. You can also book with separate airlines for your outbound and return journeys, from $506 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 Budapest 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 Budapest 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. \*Flight schedules are subject to change. \*Available to One Key members.