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Cheap flights from Champaign to London Heathrow Airport from £280

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 31/7. Fares are subject to change and may not be available on all flights or dates of travel.
CMI — LHR
23 May — 30 May1
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 23 April 2026.

Wed 21/1007:54
CMI
-
LHR
1 stop20h 56m
British Airways
Wed 28/1011:00
LHR
-
CMI
1 stop15h 33m
British Airways
Deal found 20/4£660
Wed 29/711:37
CMI
-
LHR
1 stop17h 38m
British Airways
Sun 9/815:15
LHR
-
CMI
2 stops32h 51m
British Airways
Deal found 21/4£874
Wed 29/706:04
CMI
-
LHR
1 stop23h 11m
Multiple Airlines
Sun 9/815:15
LHR
-
CMI
1 stop12h 22m
Multiple Airlines
Deal found 19/4£946
Fri 24/418:58
CMI
-
LHR
1 stop11h 17m
Iberia
Fri 1/509:45
LHR
-
CMI
1 stop14h 43m
Iberia
Deal found 20/4£951
Wed 29/711:37
CMI
-
LHR
1 stop14h 18m
Iberia
Sun 9/811:10
LHR
-
CMI
1 stop12h 56m
Iberia
Deal found 22/4£954

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 23 April 2026.

Round-trip from

£874

One-way from

£280
British Airways
  • British Airways
  • 29/7-9/8
  • 3 total stops
  • 50h 29m total
  • Champaign to London
Search Deals
British Airways
  • British Airways
  • 31/7
  • 1 total stop
  • 11h 39m 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 23 April 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

Wed 29/7

11:37-11:15

1 stop17h 38m

London Heathrow

Sun 9/8

15:15-18:06

2 stops32h 51m

£874

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Wed 29/7

06:04-11:15

1 stop23h 11m

London Heathrow

Sun 9/8

15:15-21:37

1 stop12h 22m

£946
Fastest return journey

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Wed 29/7

11:37-07:55

1 stop14h 18m

London Heathrow

Sun 9/8

11:10-18:06

1 stop12h 56m

£954

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Tue 30/6

11:40-10:30

1 stop16h 50m

London Heathrow

Sun 12/7

09:45-18:06

1 stop14h 21m

£1,190
Cheapest one-way

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Fri 31/7

18:36-12:15

1 stop11h 39m

£280

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Sat 22/8

11:24-08:05

1 stop14h 41m

£280

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Fri 31/7

18:36-10:35

2 stops33h 59m

£291
Fastest single journey

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Thu 25/6

18:44-11:15

1 stop10h 31m

£1,023

Flights are sorted by cheapest return flights first.

Deals found on 20/4

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 £954, British Airways can have you in London Heathrow Airport from Champaign in 14h 18m. The distance from Champaign to London Heathrow Airport is about 4044 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • 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
Wembley
Croydon
Hounslow
Northampton
Luton
Gatwick
Ilford
Slough
Hayes
Brentford
Colchester
Watford
Kingston upon Thames
Romford
Eastbourne
Swindon
Ipswich
Southend-on-Sea
Guildford

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How does Cheapflights help users find flights from Champaign to Heathrow?

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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