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Cheap flights from Champaign to London Heathrow Airport from £502

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 18/2. Fares are subject to change and may not be available on all flights or dates of travel.
CMI — LHR
28 Nov — 5 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap 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 29 October 2025.

Round-trip from

£502
British Airways
  • British Airways
  • 18/2-24/2
  • 3 total stops
  • 46h 35m total
  • Champaign to London
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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 29 October 2025.

Sun 2/1113:55CMI - LHR
2 stops24h 50mBritish Airways
Sat 15/1112:35LHR - CMI
1 stop12h 51mBritish Airways
Deal found 27/10£615
Fri 12/1213:32CMI - LHR
1 stop12h 43mBritish Airways
Fri 19/1215:45LHR - CMI
1 stop11h 45mBritish Airways
Deal found 28/10£783
Fri 12/1213:32CMI - LHR
1 stop12h 43mMultiple Airlines
Fri 19/1208:25LHR - CMI
2 stops40h 50mMultiple Airlines
Deal found 28/10£814
Mon 3/1115:15CMI - LHR
1 stop14h 25mAmerican Airlines
Sat 15/1115:45LHR - CMI
1 stop11h 44mAmerican Airlines
Deal found 28/10£1,054
Sun 2/1113:55CMI - LHR
2 stops24h 50mMultiple Airlines
Sat 15/1106:15LHR - CMI
2 stops21h 14mMultiple Airlines
Deal found 27/10£1,128
Mon 3/1113:50CMI - LHR
2 stops16h 05mMultiple Airlines
Sat 15/1114:10LHR - CMI
1 stop13h 19mMultiple Airlines
Deal found 29/10£1,201
Mon 3/1113:50CMI - LHR
2 stops18h 30mBritish Airways
Sat 15/1114:10LHR - CMI
1 stop13h 19mBritish Airways
Deal found 28/10£1,992

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 29 October 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

Wed 18/2

12:19-08:35

1 stop14h 16m

London Heathrow

Tue 24/2

18:45-21:04

2 stops32h 19m

£502

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Fri 20/2

14:40-10:25

1 stop13h 45m

London Heathrow

Tue 24/2

18:45-21:04

2 stops32h 19m

£539

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Thu 19/2

14:40-10:25

1 stop13h 45m

London Heathrow

Tue 24/2

19:40-21:04

2 stops31h 24m

£539

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Wed 18/2

12:19-08:35

1 stop14h 16m

London Heathrow

Sun 22/2

19:40-21:34

2 stops31h 54m

£539

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Wed 18/2

12:19-06:55

1 stop12h 36m

London Heathrow

Mon 23/2

06:15-21:34

2 stops21h 19m

£551

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Thu 19/2

14:40-06:55

1 stop10h 15m

London Heathrow

Mon 23/2

15:45-21:34

1 stop11h 49m

£576

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Thu 19/2

14:54-12:15

1 stop15h 21m

London Heathrow

Mon 23/2

11:40-21:34

2 stops15h 54m

£580

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Fri 20/2

14:40-08:35

1 stop11h 55m

London Heathrow

Mon 23/2

12:35-21:34

1 stop14h 59m

£587

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Fri 20/2

14:40-11:35

1 stop14h 55m

London Heathrow

Sun 22/2

12:35-21:34

1 stop14h 59m

£587

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Fri 27/3

06:26-08:40

2 stops21h 14m

London Heathrow

Tue 31/3

09:15-21:27

1 stop18h 12m

£688

Flights are sorted by cheapest return flights first.

Deals found on 28/10

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 £502, British Airways can have you in London Heathrow Airport from Champaign in 14h 16m. 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
Gatwick
Hounslow
Northampton
Luton
Ilford
Wembley
Deal
Hayes
Colchester
Watford
Winchester
Chichester
Swindon
Crawley
Romford
Brentford
Ipswich

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

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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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