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$668+ Cheap flights from Champaign (CMI) to Heathrow (LHR)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/18. Fares are subject to change and may not be available on all flights or dates of travel.
CMI — LHR
Nov 27 — Dec 41
Thu 11/27
Thu 12/4
1 adult, Economy
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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 October 28, 2025.

Most accurate provider

AranGrant
2 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$668
(FlightHub)
Provider with most accurate pricing for Champaign University-Willard-London (LON) flight deals.
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Provider most trusted by Cheapflights users for Champaign University-Willard-London (LON) flights.
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From Champaign University-Willard to London Heathrow
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Find flight deals from Champaign to Heathrow

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 October 28, 2025.

This Priceline deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/104:45 pmCMI - LHR
1 stop11h 40mBritish Airways
Wed 12/176:15 amLHR - CMI
2 stops21h 15mBritish Airways
Deal found 10/25$733
This FlightHub deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/21:55 pmCMI - LHR
2 stops24h 50mBritish Airways
Sat 11/1512:35 pmLHR - CMI
1 stop12h 51mBritish Airways
Deal found 10/27$819
This Trip.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/121:32 pmCMI - LHR
1 stop12h 43mBritish Airways
Fri 12/193:45 pmLHR - CMI
1 stop11h 45mBritish Airways
Deal found 10/28$1,042
This Ovago deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/121:32 pmCMI - LHR
1 stop12h 43mMultiple Airlines
Fri 12/198:25 amLHR - CMI
2 stops40h 50mMultiple Airlines
Deal found 10/28$1,083
This American Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/33:15 pmCMI - LHR
1 stop14h 25mAmerican Airlines
Sat 11/153:45 pmLHR - CMI
1 stop11h 44mAmerican Airlines
Deal found 10/28$1,403
This FlightHub deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/21:55 pmCMI - LHR
2 stops24h 50mMultiple Airlines
Sat 11/156:15 amLHR - CMI
2 stops21h 14mMultiple Airlines
Deal found 10/26$1,501
This British Airways deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/31:50 pmCMI - LHR
1 stop14h 35mBritish Airways
Sat 11/153:45 pmLHR - CMI
1 stop11h 44mBritish Airways
Deal found 10/26$1,953
This Gurufare deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/31:50 pmCMI - LHR
1 stop14h 35mMultiple Airlines
Sat 11/156:15 amLHR - CMI
2 stops19h 11mMultiple Airlines
Deal found 10/26$2,638

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated October 28, 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 2/18

12:19 pm-8:35 am

1 stop14h 16m

London Heathrow

Tue 2/24

6:45 pm-9:04 pm

2 stops32h 19m

$668

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Fri 2/20

2:40 pm-10:25 am

1 stop13h 45m

London Heathrow

Tue 2/24

6:45 pm-9:04 pm

2 stops32h 19m

$718

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Thu 2/19

2:40 pm-10:25 am

1 stop13h 45m

London Heathrow

Tue 2/24

7:40 pm-9:04 pm

2 stops31h 24m

$718

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Wed 2/18

12:19 pm-8:35 am

1 stop14h 16m

London Heathrow

Sun 2/22

7:40 pm-9:34 pm

2 stops31h 54m

$718

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Wed 2/18

12:19 pm-6:55 am

1 stop12h 36m

London Heathrow

Mon 2/23

2:10 pm-9:34 pm

1 stop13h 24m

$731

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Wed 2/18

12:19 pm-6:55 am

1 stop12h 36m

London Heathrow

Mon 2/23

6:15 am-9:34 pm

2 stops21h 19m

$733

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Wed 12/10

4:45 pm-10:25 am

1 stop11h 40m

London Heathrow

Wed 12/17

6:15 am-9:30 pm

2 stops21h 15m

$733

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Thu 2/19

2:40 pm-6:55 am

1 stop10h 15m

London Heathrow

Mon 2/23

3:45 pm-9:34 pm

1 stop11h 49m

$766

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Thu 2/19

2:54 pm-12:15 pm

1 stop15h 21m

London Heathrow

Mon 2/23

11:40 am-9:34 pm

2 stops15h 54m

$772

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Fri 2/20

2:40 pm-8:35 am

1 stop11h 55m

London Heathrow

Mon 2/23

12:35 pm-9:34 pm

1 stop14h 59m

$781

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Showing 1-10 of 11 results
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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 round-trip 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?

    British Airways can get you from Champaign to London Heathrow Airport in just under 14h 16m. Your travel time can differ by up to . The distance between Champaign and 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 vacation 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

Traveling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Hounslow
Ilford
Hayes
Southend-on-Sea
Harrow
Croydon
Eastleigh
Dartford
Dover
Winchester
Orpington
Northampton
Gatwick
Borehamwood
Broadway
Aylesbury
Bedford
Chipping Norton
Wembley
Folkestone

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