£831 Find Cheap Flights from London Heathrow Airport to Champaign – Compare and Save

Flights from London Heathrow Airport to Champaign usually depart from London Heathrow (LHR) and arrive at Champaign University-Willard (CMI).

Most connecting flights from London Heathrow Airport to Champaign pass through Chicago O'Hare Intl (ORD), which handles 100% of one-stop traffic on this route. Other stopover airports each see under 5%.

Yes. Being flexible with your travel dates can save you up to 36% on the London Heathrow Airport to Champaign route. Monday is the cheapest departure day at £714 return on average, while Thursday is the most expensive at £1,116, a difference of £401. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

Yes. Based on fares seen in the past 5 days, return prices on this route varied from about £831 to £985. That means the highest observed fare was about 18% higher than the lowest one.

Champaign is 6 hours behind London Heathrow Airport (Central Time vs British Time). Plan for the time shift when scheduling connections or first-day activities.

Champaign University-Willard Airport (CMI) hosts 5 major car hire companies, with daily rates starting from around £24 for economy cars. Top options include:
· Budget
· Alamo
· Enterprise Rent-A-Car
· Avis
· National

Return flights from London Heathrow Airport to Champaign range from £714 to £1,116, with an average of £1,047 over the past 12 months. Anything below £714 counts as a good deal.