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Cheap flights from Champaign to London Heathrow Airport from £519

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/2. Fares are subject to change and may not be available on all flights or dates of travel.
CMI — LHR
26 Feb — 5 Mar1
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 27 January 2026.

Sun 1/218:53
CMI
-
LHR
1 stop10h 42m
Multiple Airlines
Sun 8/207:30
LHR
-
CMI
2 stops16h 53m
Multiple Airlines
Deal found 26/1£519
Sun 1/211:24
CMI
-
LHR
1 stop13h 31m
British Airways
Sun 8/211:00
LHR
-
CMI
1 stop15h 27m
British Airways
Deal found 26/1£541
Sat 14/212:05
CMI
-
LHR
1 stop17h 30m
British Airways
Sat 21/212:35
LHR
-
CMI
1 stop15h 09m
British Airways
Deal found 27/1£559
Wed 11/315:47
CMI
-
LHR
1 stop11h 48m
British Airways
Wed 18/314:10
LHR
-
CMI
1 stop12h 20m
British Airways
Deal found 25/1£609
Wed 11/315:47
CMI
-
LHR
1 stop11h 48m
American Airlines
Wed 18/311:40
LHR
-
CMI
2 stops14h 50m
American Airlines
Deal found 25/1£616
Thu 29/118:53
CMI
-
LHR
1 stop31h 42m
British Airways
Mon 2/219:05
LHR
-
CMI
2 stops29h 18m
British Airways
Deal found 25/1£665
Sat 14/212:05
CMI
-
LHR
1 stop14h 10m
Multiple Airlines
Sat 21/212:50
LHR
-
CMI
2 stops14h 54m
Multiple Airlines
Deal found 27/1£666
Thu 29/111:24
CMI
-
LHR
2 stops23h 11m
Iberia
Mon 2/215:45
LHR
-
CMI
2 stops32h 38m
Iberia
Deal found 26/1£689
Sat 14/312:01
CMI
-
LHR
2 stops16h 39m
American Airlines
Sun 22/317:00
LHR
-
CMI
2 stops27h 17m
American Airlines
Deal found 26/1£755

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 27 January 2026.

Round-trip from

£609
British Airways
  • British Airways
  • 11/3-18/3
  • 2 total stops
  • 24h 08m 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 27 January 2026.
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 11/3

15:47-08:35

1 stop11h 48m

London Heathrow

Wed 18/3

14:10-21:30

1 stop12h 20m

£609

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Wed 11/3

15:47-08:35

1 stop11h 48m

London Heathrow

Wed 18/3

11:40-21:30

2 stops14h 50m

£616

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Sat 14/2

12:05-08:15

1 stop14h 10m

London Heathrow

Sat 21/2

12:50-21:44

2 stops14h 54m

£666

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Sat 14/3

12:01-09:40

2 stops16h 39m

London Heathrow

Sun 22/3

17:00-15:17

2 stops27h 17m

£755

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Sat 14/3

12:01-09:40

2 stops16h 39m

London Heathrow

Sat 21/3

15:35-21:30

2 stops34h 55m

£782

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Sun 26/7

18:32-15:00

2 stops14h 28m

London Heathrow

Wed 5/8

07:40-18:06

2 stops16h 26m

£872

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Fri 13/3

09:52-09:40

2 stops18h 48m

London Heathrow

Sun 22/3

17:00-15:17

2 stops27h 17m

£881

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Sun 26/7

11:40-06:50

1 stop13h 10m

London Heathrow

Wed 5/8

09:45-21:37

1 stop17h 52m

£890

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Sun 26/7

11:40-09:05

1 stop15h 25m

London Heathrow

Thu 6/8

12:55-15:13

1 stop32h 18m

£892

Flights are sorted by cheapest return flights first.

Deals found on 25/1

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 £609, British Airways can have you in London Heathrow Airport from Champaign in 11h 48m. 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
Luton
Croydon
Wembley
Northampton
Gatwick
Slough
Hounslow
Ilford
Brentford
Hayes
Watford
Colchester
Guildford
Swindon
Chelmsford
Bedford
Crawley
Kingston upon Thames
Eastbourne

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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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