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Cheap flights from Champaign to London Heathrow Airport from £550

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 24/1. Fares are subject to change and may not be available on all flights or dates of travel.
CMI — LHR
11 Jan — 18 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Champaign to Heathrow

Enter your travel dates to find the best prices.

Best flights from Champaign to Heathrow
Discover carefully curated flight deals from Champaign to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 12 December 2025.

Sat 24/111:33CMI - LHR
1 stop16h 52mIberia
Sat 31/107:30LHR - CMI
2 stops16h 53mIberia
Deal found 10/12£550
Sat 24/111:33CMI - LHR
1 stop16h 52mBritish Airways
Sat 31/111:00LHR - CMI
1 stop13h 23mBritish Airways
Deal found 10/12£570
Wed 11/211:24CMI - LHR
1 stop17h 01mBritish Airways
Sun 15/212:35LHR - CMI
1 stop13h 59mBritish Airways
Deal found 9/12£683

Find flight deals from Champaign to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Champaign (CMI) to Heathrow (LHR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 12 December 2025.

Round-trip from

£550
Iberia
  • Iberia
  • 24/1-31/1
  • 3 total stops
  • 33h 45m total
  • Champaign to London
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Cheapflights Fare Finder

 
Customise your flight search to find flights from Champaign to Heathrow that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 12 December 2025.
Use the filters below to find and compare flights from Champaign to London Heathrow Airport that are best for you.

Fly from

Champaign

Fly to

Heathrow

Route

Depart

Return

Price

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Sat 24/1

11:33-10:25

1 stop16h 52m

London Heathrow

Sat 31/1

07:30-18:23

2 stops16h 53m

£550

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Sat 24/1

11:33-10:25

1 stop16h 52m

London Heathrow

Sat 31/1

11:00-18:23

1 stop13h 23m

£570

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Wed 11/2

11:24-10:25

1 stop17h 01m

London Heathrow

Sun 15/2

12:35-20:34

1 stop13h 59m

£683

Flights are sorted by cheapest return flights first.

Deals found on 10/12

Best time to book a flight from Champaign to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Champaign with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from Champaign to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Champaign to London Heathrow?

    Most people fly from Champaign University-Willard (CMI) if they book a flight from Champaign to London Heathrow. On average, University-Willard has 0 outbound flights to London Heathrow per day from 0 airlines. Champaign University-Willard is conveniently located just 11.3 mi from Champaign’s city center.

  • How long is the flight from Champaign to London Heathrow Airport?

    For as low as £550, Iberia can have you in London Heathrow Airport from Champaign in 16h 52m. The distance from Champaign to London Heathrow Airport is about 4044 mi.

  • Can I find deals for flights from Champaign to Heathrow that include hotel bookings?

    Yes. In addition to deals on Champaign to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Champaign to Heathrow?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Champaign to Heathrow.

  • Can I find deals for business class flights from Champaign to Heathrow?

    Yes. Cheapflights offers flight deals from Champaign to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Travelling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Milton Keynes
Croydon
Slough
Northampton
Hounslow
Luton
Gatwick
Wembley
Ilford
Brentford
Colchester
Watford
Hayes
Crawley
Winchester
Swindon
Deal
Bedford
Romford
Chichester

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Why should you use Cheapflights to find cheap flight tickets from Champaign to Heathrow?

Millions of users choose and trust Cheapflights to book the best flight deals from Champaign to Heathrow for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Champaign to Heathrow with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Champaign to Heathrow flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Champaign to Heathrow become cheaper?

Yes! Start tracking prices for Champaign to Heathrow flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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