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Cheap flights from Champaign to London Heathrow Airport from £700

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/9. Fares are subject to change and may not be available on all flights or dates of travel.
CMI — LHR
28 Aug — 4 Sep1
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 29 July 2026.

Tue 8/911:41
CMI
-
LHR
1 stop14h 24m
Iberia
Tue 22/906:15
LHR
-
CMI
2 stops17h 55m
Iberia
Deal found 28/7£700
Tue 8/911:41
CMI
-
LHR
1 stop16h 49m
American Airlines
Tue 22/911:10
LHR
-
CMI
1 stop13h 00m
American Airlines
Deal found 26/7£725
Tue 8/916:54
CMI
-
LHR
2 stops20h 51m
British Airways
Tue 22/906:15
LHR
-
CMI
2 stops20h 41m
British Airways
Deal found 28/7£728
Thu 19/1112:11
CMI
-
LHR
2 stops20h 09m
Iberia
Sun 29/1113:20
LHR
-
CMI
2 stops35h 05m
Iberia
Deal found 28/7£758
Wed 18/1112:11
CMI
-
LHR
1 stop16h 14m
British Airways
Sun 29/1118:45
LHR
-
CMI
2 stops29h 40m
British Airways
Deal found 28/7£780
Mon 31/816:54
CMI
-
LHR
1 stop33h 11m
British Airways
Fri 11/906:15
LHR
-
CMI
2 stops23h 22m
British Airways
Deal found 28/7£782
Thu 10/918:41
CMI
-
LHR
1 stop11h 34m
British Airways
Sun 20/912:15
LHR
-
CMI
1 stop14h 41m
British Airways
Deal found 26/7£800

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 29 July 2026.

Round-trip from

£700
Iberia
  • Iberia
  • 8/9-22/9
  • 3 total stops
  • 32h 19m 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 29 July 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 8/9

16:54-11:15

1 stop12h 21m

London Heathrow

Tue 22/9

09:45-20:56

1 stop17h 11m

£746

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Mon 31/8

16:54-08:05

1 stop33h 11m

London Heathrow

Fri 11/9

06:15-23:37

2 stops23h 22m

£782

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Wed 18/11

12:11-13:35

2 stops19h 24m

London Heathrow

Sun 29/11

19:05-18:25

2 stops29h 20m

£794
Fastest return journey

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Thu 10/9

18:41-12:15

1 stop11h 34m

London Heathrow

Sun 20/9

12:15-20:56

1 stop14h 41m

£800

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Thu 10/9

13:23-12:00

2 stops16h 37m

London Heathrow

Sun 20/9

07:55-20:56

2 stops19h 01m

£809

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Thu 19/11

12:11-06:55

1 stop12h 44m

London Heathrow

Sun 29/11

19:05-18:25

2 stops29h 20m

£863

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Mon 31/8

11:41-10:35

2 stops16h 54m

London Heathrow

Fri 11/9

19:40-18:10

2 stops28h 30m

£1,369

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Wed 2/9

16:54-12:15

1 stop13h 21m

London Heathrow

Sun 6/9

06:15-20:28

2 stops20h 13m

£4,748

Flights are sorted by cheapest return flights first.

Deals found on 26/7

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 £746, British Airways can have you in London Heathrow Airport from Champaign in 12h 21m. 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
Luton
Gatwick
Wembley
Slough
Ilford
Hayes
Croydon
Colchester
Brentford
Eastbourne
Northampton
Watford
Swindon
Southend-on-Sea
Enfield
Kingston upon Thames
Poole
Southall

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Deals for Champaign to Heathrow flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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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