Title: Cheap Flights to Cass County - Expedia.co.uk ![army corps of engineers starved rock lock and dam illinois river panorama](https://images.trvl-media.com/place/553248635976434084/b65eb987-6054-435a-b236-302829cb2567.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/553248635976434084/b65eb987-6054-435a-b236-302829cb2567.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # Cheap Flights to Cass County - [Return](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travellers Adults ChildrenAges 2 to 17 InfantsYounger than 2 EconomyPremium economyBusiness classFirst class Leaving from Going to Departing Returning Add a place to stay Add a car Direct flights only [Cass County Hotels](https://expedia.co.uk/Destinations-In-Cass-County.d553248635976434084.Hotel-Destinations)[Holiday Rentals in Cass County](https://expedia.co.uk/Destinations-In-Cass-County.d553248635976434084.Holiday-Rental-Destinations)[Cass County Car Hire](https://expedia.co.uk/Destinations-In-Cass-County.d553248635976434084.Car-Hire-Destinations)[Cass County Holidays](https://expedia.co.uk/Cass-County.d553248635976434084.Holidays-City-Breaks) ## Popular airlines to Cass County - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg) American Airlines - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_BA.svg) British Airways - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/10/30/landing_airline_sq_logo_MX.svg) Breeze Airways - ![](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 25% 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 rewards [Sign in](https://www.expedia.co.uk/login) ## Cheap round-trip flights to Cass County Prices were available within the past 7 days and start at for one-way flights and £1,329 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Return ![British Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/BA.gif) Tue, 3 Mar - Thu, 5 Mar PRG Prague SPI Springfield £1,329 Return found 1 day ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:PRG,to:SPI,departure:03/03/2026TANYT&leg2=from:SPI,to:PRG,departure:05/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1328.76&airProductToken=AQqyAQoxCMKCARIDODY1GK80IOuJASjZzYYDMOrOhgM4S0AAWAFqBU5PQkFHcghLTE4wQzBCVwo-CMKCARIEMTU0MhjriQEgrhwo89CGAzCF1YYDOEtAAVgBagVOT0JBR3IIS0xOMEMwQld6CgjBggESBDE1NDIKPQjCggESBDE5MzAYrhwg8kMordiGAzDs2IYDOEtAAVgBagVOT0JBR3IIS0xOMEMwQld6CgjNogESBDE5MzAKpQEKPQjCggESBDQ3MDYY8kMgrhwolu2GAzDi7YYDOEtAAFgBagVOT0JBR3IIS0xOMEMwQld6CgjNogESBDQ3MDYKMQjCggESAzI5NhiuHCDriQEowe6GAzCX8oYDOEtAAVgBagVOT0JBR3IIS0xOMEMwQlcKMQjCggESAzg1OBjriQEgrzQo5POGAzDh9IYDOEtAAVgBagVOT0JBR3IIS0xOMEMwQlcSCggBEAEYASoCQkEYASIECAEQASgCKAMwDQ) ![British Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/BA.gif) Tue, 3 Mar - Thu, 5 Mar PRG Prague SPI Springfield £1,450 Return found 1 day ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:PRG,to:SPI,departure:03/03/2026TANYT&leg2=from:SPI,to:PRG,departure:05/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1449.76&airProductToken=AQqsAQovCMKCARIDODY1GK80IOuJASjZzYYDMOrOhgM4S0AAWAFqA0JBR3IIS0xOMEMwTTQKPAjCggESBDE1NDIY64kBIK4cKPPQhgMwhdWGAzhLQAFYAWoDQkFHcghLTE4wQzBNNHoKCMGCARIEMTU0Mgo7CMKCARIEMTkzMBiuHCDyQyit2IYDMOzYhgM4S0ABWAFqA0JBR3IIS0xOMEMwTTR6CgjNogESBDE5MzAKnwEKOwjCggESBDQ3MDYY8kMgrhwolu2GAzDi7YYDOEtAAFgBagNCQUdyCEtMTjBDME00egoIzaIBEgQ0NzA2Ci8IwoIBEgMyOTYYrhwg64kBKMHuhgMwl_KGAzhLQAFYAWoDQkFHcghLTE4wQzBNNAovCMKCARIDODU4GOuJASCvNCjk84YDMOH0hgM4S0ABWAFqA0JBR3IIS0xOMEMwTTQSCggBEAEYASoCQkEYASIECAEQASgCKAMwDQ) ![British Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/BA.gif) Tue, 3 Mar - Thu, 5 Mar PRG Prague SPI Springfield £1,558 Return found 1 day ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:PRG,to:SPI,departure:03/03/2026TANYT&leg2=from:SPI,to:PRG,departure:05/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1557.76&airProductToken=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) ![](https://forever.travel-assets.com/flex/flexmanager/images/2026/02/06/expedia-sale-2026-desktop-uk-fr-de.jpg?impolicy=fcrop&w=1400&h=600&q=mediumHigh) ## The Annual Holiday Sale Members save up to 40% on hotels and holiday homes. Plan this year’s big trip and save. [Book now](https://expedia.co.uk/cheap-deals?rfrr=FTG_SPRING_PROMO_) ## Top tips for booking flights to Cass County from UK ### Get ready to fly to Cass County Prepare your luggage and book your flights to Cass County with Expedia. We offer a seamless flight booking experience, with a wide range of Cass County plane tickets to choose from. If you need help finding some of the best deals for cheap flights to Cass County in 2026, we are always available to assist you. Book your flights to Cass County today and let the adventure begin! ### Find the best tickets to Cass County To find some of the best tickets to Cass County in 2026, use Expedia's powerful search engine to compare dates and the different departure and arrival airports for your trip. Whether you're after direct flights to Cass County or last-minute flights to Cass County, you can filter and sort your search results, making it easy to find the ideal flight to Cass County. ### Airlines fly to Cass County There are 3 different airlines that fly to Cass County including some of the most trusted names in the business. To book flights to Cass County with your favourite airline, take a look at Expedia's flight listings and try out different dates to find some of the best Cass County plane tickets. ### Find the cheapest flights to Cass County By booking early you may find some of the best deals for Cass County flights from the UK, including Cass County direct flights. You can usually find affordable and cheap flights to Cass County, whether one-way or round-trip from £1,329, with Expedia if you book your trip far enough in advance. ### Find the best airports for cheap flights to Cass County Try searching for different Cass County airports with Expedia to find some of the cheapest flights to Cass County. Flights from () to () usually have the lowest price . ### Why book your flights to Cass County with Expedia Expedia offers great deals on Cass County air fares to cater to every budget. Not only is Expedia one of the top platforms to book flights to Cass County from the UK, it is also your one-stop shop for booking hotels, car rentals, and more. \*Prices and availability are subject to change. Additional terms apply. ## Cass County Flights Information | Airlines serving | British Airways | | ---------------- | --------------- | | Roundtrip price | from £1,329 | ## Frequently asked questions ### How do I find cheap flights to Cass County that have flexible change policies? ### Which airlines fly to Cass County? > - American Airlines - 60 flights to or near Cass County each month, including 60 flights to Abraham Lincoln Capital Airport (SPI) per month. > - Allegiant Air - 8 flights to or near Cass County each month, including 8 flights to Abraham Lincoln Capital Airport (SPI) per month. ### How can I find cheap tickets to Cass County? ### How much is a flight to Cass County? ### What are the most popular airports to fly into in Cass County? ### When is the cheapest time to fly to Cass County? ### How much is a plane ticket to Cass County? ### What is the best time to go to Cass County? ### What months are the cheapest to book a flight to Cass County? - Top Flights Destinations - Top Cass County Hotels - Related Airlines ### Top Flight Destinations In Cass County - [Flights to Central Illinois ](https://expedia.co.uk/Cheap-Flights-To-Central-Illinois.d6059219.Travel-Guide-Flights) - [Flights to Central United States ](https://expedia.co.uk/Cheap-Flights-To-Central-United-States.d6209877.Travel-Guide-Flights) - [Flights to Virginia ](https://expedia.co.uk/Cheap-Flights-To-Virginia.d3000435629.Travel-Guide-Flights) - [Flights to Western Illinois ](https://expedia.co.uk/Cheap-Flights-To-Western-Illinois.d6058920.Travel-Guide-Flights) ### Top Flight Destinations In World - [Flights to Argentina ](https://expedia.co.uk/Destinations-In-Argentina.d8.Flight-Destinations) - [Flights to Mexico ](https://expedia.co.uk/Destinations-In-Mexico.d117.Flight-Destinations) - [Flights to Russia ](https://expedia.co.uk/Destinations-In-Russia.d153.Flight-Destinations) - [Flights to Brazil ](https://expedia.co.uk/Destinations-In-Brazil.d23.Flight-Destinations) - [Flights to Australia ](https://expedia.co.uk/Destinations-In-Australia.d10.Flight-Destinations) - [Flights to Germany ](https://expedia.co.uk/Destinations-In-Germany.d64.Flight-Destinations) - [Flights to Italy ](https://expedia.co.uk/Destinations-In-Italy.d86.Flight-Destinations) - [Flights to Spain ](https://expedia.co.uk/Destinations-In-Spain.d166.Flight-Destinations) - [Flights to Colombia ](https://expedia.co.uk/Destinations-In-Colombia.d38.Flight-Destinations) - [Flights to Norway ](https://expedia.co.uk/Destinations-In-Norway.d138.Flight-Destinations) - [Flights to Switzerland ](https://expedia.co.uk/Destinations-In-Switzerland.d174.Flight-Destinations) - [Flights to Thailand ](https://expedia.co.uk/Destinations-In-Thailand.d178.Flight-Destinations) - [Flights to Türkiye ](https://expedia.co.uk/Destinations-In-Turkiye.d183.Flight-Destinations) - [Flights to Japan ](https://expedia.co.uk/Destinations-In-Japan.d89.Flight-Destinations) - [Flights to Sweden ](https://expedia.co.uk/Destinations-In-Sweden.d173.Flight-Destinations) - [Flights to South Korea ](https://expedia.co.uk/Destinations-In-South-Korea.d94.Flight-Destinations) - [Flights to Greece ](https://expedia.co.uk/Destinations-In-Greece.d67.Flight-Destinations) - [Flights to United States of America ](https://expedia.co.uk/Destinations-In-United-States-Of-America.d201.Flight-Destinations) - [Flights to China ](https://expedia.co.uk/Destinations-In-China.d37.Flight-Destinations) - [Flights to Indonesia ](https://expedia.co.uk/Destinations-In-Indonesia.d81.Flight-Destinations) ### Top Cass County Hotels - [Americas Best Value Inn Beardstown ](https://expedia.co.uk/Beardstown-Hotels-Americas-Best-Value-Inn-Beardstown.h855806.Hotel-Information) - [Sleep Inn Springfield West ](https://expedia.co.uk/Springfield-Hotels-Sleep-Inn-Springfield-West.h15160.Hotel-Information) - [Hampton Inn & Suites Springfield-Southwest ](https://expedia.co.uk/Springfield-Hotels-Hampton-Inn-Suites-Springfield-SW.h907707.Hotel-Information) - [Quality Inn and Suites Springfield Southwest near I-72 ](https://expedia.co.uk/Springfield-Hotels-Quality-Inn-Suites.h17136.Hotel-Information) - [Riverbank Lodge ](https://expedia.co.uk/Petersburg-Hotels-Riverbank-Lodge.h1484253.Hotel-Information) - [Staybridge Suites South Springfield by IHG ](https://expedia.co.uk/Springfield-Hotels-Staybridge-Suites-South-Springfield.h894255.Hotel-Information) - [Sleep Inn & Suites South Jacksonville ](https://expedia.co.uk/Springfield-Hotels-Sleep-Inn-Suites.h23831866.Hotel-Information) - [Spark by Hilton Springfield Southwest ](https://expedia.co.uk/Springfield-Hotels-Fairfield-Inn-By-Marriott-Springfield.h15316.Hotel-Information) - [Best Western Jacksonville Inn ](https://expedia.co.uk/Springfield-Hotels-Best-Western-Jacksonville-Inn.h124218.Hotel-Information) - [Hampton Inn Jacksonville ](https://expedia.co.uk/Springfield-Hotels-Hampton-Inn-Jacksonville.h1376212.Hotel-Information) - [Holiday Inn Express Hotel & Suites Jacksonville by IHG ](https://expedia.co.uk/Springfield-Hotels-Holiday-Inn-Express-Hotel-Suites-Jacksonville.h1793078.Hotel-Information) - [Super 8 by Wyndham Jacksonville ](https://expedia.co.uk/Springfield-Hotels-Super-8-By-Wyndham-Jacksonville.h123170.Hotel-Information) - [Quality Inn Jacksonville near I-72 ](https://expedia.co.uk/Springfield-Hotels-Quality-Inn.h474237.Hotel-Information) - [Modern Bungalow Home with Mid-Century Flair ](https://expedia.co.uk/Springfield-Hotels-Modern-Bungalow-Home-With-Mid-Century-Flair.h95765434.Hotel-Information) - [Three Pines Petersburg - Luxurious 10 Bedroom Home in Historic Petersburg ](https://expedia.co.uk/Springfield-Hotels-Three-Pines-Petersburg-Luxurious-10-Bedroom-Home-In-Historic-Petersburg.h40133025.Hotel-Information) - [Historic Bungalow: For Groups & Families Sleeps 11 ](https://expedia.co.uk/Springfield-Hotels-Historic-Bungalow-For-Groups-Families-Sleeps-11.h109432276.Hotel-Information) - [PICKLEBALL, Heated Pool, Game Room, Outdoor Oasis, Tennis, Basketball, & woods! ](https://expedia.co.uk/Pittsfield-Hotels-PICKLEBALL.h34582445.Hotel-Information) - [Pet friendly remodeled bungalow home just two blocks from Washington Park. ](https://expedia.co.uk/Springfield-Hotels-Remodeled-Bungalow-Home-Just-Two-Blocks-From-Washington-Park.h96183612.Hotel-Information) - [Completely remodeled, pet-friendly, 'smart' home in the country! ](https://expedia.co.uk/Completely-Remodeled.h75033143.Hotel-Information) ### Related Airlines - [Amber Air ](https://expedia.co.uk/Amber-Air-Flights.c0A.Travel-Guide-Airlines) - [BlueAir ](https://expedia.co.uk/BlueAir-Flights.c0B.Travel-Guide-Airlines) - [Catovair ](https://expedia.co.uk/Cobra-Aviation-Flights.c0C.Travel-Guide-Airlines) - [Darwin Airline SA Lugano ](https://expedia.co.uk/Darwin-Airline-SA-Lugano-Flights.c0D.Travel-Guide-Airlines) - [Evergreen International ](https://expedia.co.uk/Evergreen-International-Flights.c0E.Travel-Guide-Airlines) - [Ghadames Air Transport ](https://expedia.co.uk/Ghadames-Air-Transport-Flights.c0G.Travel-Guide-Airlines) - [Aircompany Kokshetau ](https://expedia.co.uk/AirCompany-Kokshetau-Flights.c0K.Travel-Guide-Airlines) - [Vietnam Air Service Co. ](https://expedia.co.uk/Vietnam-Air-Service-Co-Flights.c0V.Travel-Guide-Airlines) - [West Caribbean Costa Rica ](https://expedia.co.uk/West-Caribbean-Costa-Rica-Flights.c0W.Travel-Guide-Airlines) - [Olympus Airways ](https://expedia.co.uk/Olympus-Airways-Flights.c11.Travel-Guide-Airlines) \*Available to Expedia members.