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Cheap flights from Champaign to London Heathrow Airport from £523

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 31/8. Fares are subject to change and may not be available on all flights or dates of travel.
CMI — LHR
15 Jul — 22 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Champaign to Heathrow

Enter your travel dates to find the best prices.

Cheapest flights from Champaign to Heathrow
Explore the most affordable flight options available from Champaign to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 June 2026.

Tue 15/913:23
CMI
-
LHR
1 stop15h 27m
British Airways
Fri 25/906:15
LHR
-
CMI
2 stops20h 41m
British Airways
Deal found 13/6£659
Tue 1/914:47
CMI
-
LHR
1 stop14h 08m
Multiple Airlines
Tue 8/911:10
LHR
-
CMI
1 stop15h 18m
Multiple Airlines
Deal found 14/6£723
Tue 1/911:41
CMI
-
LHR
1 stop15h 24m
British Airways
Tue 8/906:15
LHR
-
CMI
2 stops20h 13m
British Airways
Deal found 14/6£728
Wed 2/911:41
CMI
-
LHR
1 stop17h 34m
British Airways
Mon 7/909:15
LHR
-
CMI
2 stops41h 13m
British Airways
Deal found 11/6£729
Tue 1/911:41
CMI
-
LHR
1 stop15h 24m
American Airlines
Tue 8/911:10
LHR
-
CMI
1 stop11h 14m
American Airlines
Deal found 14/6£748
Thu 3/916:54
CMI
-
LHR
1 stop12h 21m
British Airways
Mon 7/916:30
LHR
-
CMI
2 stops33h 58m
British Airways
Deal found 11/6£766

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 15 June 2026.

Round-trip from

£659

One-way from

£523
British Airways
  • British Airways
  • 15/9-25/9
  • 3 total stops
  • 36h 08m total
  • Champaign to London
Search Deals
Aer Lingus
  • Aer Lingus
  • 31/8
  • 2 total stops
  • 15h 24m total
  • Champaign to London
Search Deals

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 15 June 2026.
Use the filters below to find and compare flights from Champaign to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Tue 15/9

13:23-10:50

1 stop15h 27m

London Heathrow

Fri 25/9

06:15-20:56

2 stops20h 41m

£659

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Tue 1/9

14:47-10:55

1 stop14h 08m

London Heathrow

Tue 8/9

11:10-20:28

1 stop15h 18m

£723

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Tue 1/9

11:41-09:05

1 stop15h 24m

London Heathrow

Tue 8/9

06:15-20:28

2 stops20h 13m

£728
Fastest return journey

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Mon 9/11

11:20-08:35

1 stop15h 15m

London Heathrow

Fri 13/11

14:10-21:28

1 stop13h 18m

£831
Cheapest one-way

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Mon 31/8

11:41-09:05

2 stops15h 24m

£523
Fastest single journey

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Mon 31/8

16:54-10:30

1 stop11h 36m

£555

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Thu 3/9

11:41-09:05

2 stops15h 24m

£632

Flights are sorted by cheapest return flights first.

Deals found on 14/6

Sorted by cheapest first

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 £659, British Airways can have you in London Heathrow Airport from Champaign in 15h 27m. 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
Hounslow
Milton Keynes
Wembley
Luton
Gatwick
Slough
Ilford
Croydon
Hayes
Brentford
Colchester
Northampton
Kingston upon Thames
Eastbourne
Watford
Swindon
Ipswich
Poole
Guildford
Romford

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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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