Find flights
When to book
FAQs

Cheap flights from Champaign to London Heathrow Airport from £630

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 24/3. Fares are subject to change and may not be available on all flights or dates of travel.
CMI — LHR
12 Apr — 19 Apr1
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 13 March 2026.

Tue 24/315:47
CMI
-
LHR
1 stop13h 38m
Iberia
Mon 30/312:15
LHR
-
CMI
1 stop15h 15m
Iberia
Deal found 13/3£630
Tue 24/315:47
CMI
-
LHR
1 stop11h 48m
British Airways
Tue 31/315:35
LHR
-
CMI
2 stops35h 55m
British Airways
Deal found 13/3£646
Tue 24/315:47
CMI
-
LHR
1 stop11h 48m
American Airlines
Tue 31/315:15
LHR
-
CMI
1 stop24h 07m
American Airlines
Deal found 13/3£664
Sat 25/415:09
CMI
-
LHR
1 stop13h 46m
Multiple Airlines
Sat 2/515:15
LHR
-
CMI
1 stop12h 20m
Multiple Airlines
Deal found 11/3£666
Sat 25/418:58
CMI
-
LHR
1 stop30h 42m
Iberia
Sat 2/512:20
LHR
-
CMI
2 stops36h 08m
Iberia
Deal found 11/3£669
Sun 22/315:47
CMI
-
LHR
1 stop13h 38m
British Airways
Mon 30/315:15
LHR
-
CMI
1 stop12h 15m
British Airways
Deal found 13/3£685
Tue 24/314:54
CMI
-
LHR
1 stop15h 46m
American Airlines
Mon 30/315:15
LHR
-
CMI
1 stop12h 15m
American Airlines
Deal found 13/3£702
Tue 24/315:47
CMI
-
LHR
2 stops15h 18m
Iberia
Sun 29/314:45
LHR
-
CMI
1 stop12h 45m
Iberia
Deal found 13/3£708
Mon 9/1109:49
CMI
-
LHR
1 stop14h 06m
United Airlines
Fri 13/1107:40
LHR
-
CMI
1 stop31h 14m
United Airlines
Deal found 8/3£709
Wed 25/315:47
CMI
-
LHR
1 stop11h 48m
British Airways
Sun 29/315:20
LHR
-
CMI
2 stops36h 10m
British Airways
Deal found 13/3£722

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 13 March 2026.

Round-trip from

£630
Iberia
  • Iberia
  • 24/3-30/3
  • 2 total stops
  • 28h 53m 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 13 March 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 24/3

15:47-08:35

1 stop11h 48m

London Heathrow

Tue 31/3

15:15-09:22

1 stop24h 07m

£664

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Wed 25/3

09:52-07:00

2 stops16h 08m

London Heathrow

Sun 29/3

15:20-21:30

2 stops36h 10m

£817
Fastest return journey

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Mon 23/3

15:47-19:25

2 stops22h 38m

London Heathrow

Mon 30/3

15:15-21:30

1 stop12h 15m

£902

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Wed 29/7

09:49-06:45

1 stop14h 56m

London Heathrow

Sun 9/8

08:00-23:59

1 stop21h 59m

£907

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Mon 23/3

09:52-22:10

2 stops31h 18m

London Heathrow

Sun 29/3

15:20-21:30

2 stops36h 10m

£931

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Wed 29/7

11:37-11:15

1 stop17h 38m

London Heathrow

Sun 9/8

18:05-21:37

2 stops33h 32m

£983

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Wed 29/7

11:37-11:15

1 stop17h 38m

London Heathrow

Sun 9/8

16:20-21:37

2 stops35h 17m

£1,026
Cheapest one-way

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Sat 6/6

19:15-06:45

1 stop29h 30m

£742

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Sat 6/6

18:44-18:55

2 stops18h 11m

£804
Fastest single journey

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Thu 25/6

18:44-11:15

1 stop10h 31m

£1,039

Flights are sorted by cheapest return flights first.

Deals found on 13/3

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 £664, American Airlines can have you in London Heathrow Airport from Champaign in 11h 48m. 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
Northampton
Luton
Hounslow
Slough
Gatwick
Ilford
Hayes
Brentford
Colchester
Guildford
Watford
Kingston upon Thames
Chelmsford
Eastbourne
Ipswich
Swindon
Bedford

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.