Find cheap flights from Denver to Belleville - Compare and Save

When flying out of Denver you’ll be using Denver Intl. Belleville does not have its own airport so you’ll be flying into nearby Lambert-St Louis airport, which is 26.3 mi away.

Direct flights cover the 767 miles separating Denver and Belleville in about 1h 55m.

21 direct flights run between Denver and Belleville on a daily basis. On average, there are about 150 departures each week.

Consider leaving on a Friday and avoid Saturdays if you are looking for the best rates. For your return to Denver, you’ll find the best rates on Fridays and the most expensive ones on Saturdays.

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Denver to Belleville.

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Belleville from Denver is likely to change within 7 days, so travelers know whether to wait or book now.

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Belleville with an airline and back to Denver with another airline.

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Belleville from Denver up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

In the last 5 days, the cheapest one-way ticket between Denver and Belleville found on KAYAK was with Frontier for $40. Frontier offered a round-trip connection from $59 and United Airlines from $196.