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$583+ Cheap flights from Champaign (CMI) to London (LON)

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 3/12. Fares are subject to change and may not be available on all flights or dates of travel.
CMI — LON
Feb 20 — Feb 271
Fri 2/20
Fri 2/27
1 adult, Economy
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Cheap flight deals from Champaign to London

Cheapest flights from Champaign to London
Explore the most affordable flight options available from Champaign to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2026.

This British Airways deal was found by Cheapflights users on 1/19. 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.
Thu 1/2911:24 am
CMI
-
LHR
1 stop17h 01m
British Airways
Mon 2/29:15 am
LHR
-
CMI
2 stops39h 08m
British Airways
Deal found 1/19$649
This Cheapflightsfares deal was found by Cheapflights users on 1/21. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/1111:24 am
CMI
-
LHR
1 stop18h 11m
British Airways
Sun 2/2212:35 pm
LHR
-
CMI
1 stop15h 09m
British Airways
Deal found 1/21$652
This American Airlines deal was found by Cheapflights users on 1/21. 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.
Sat 2/149:53 am
CMI
-
LHR
1 stop18h 32m
American Airlines
Sat 2/2112:50 pm
LHR
-
CMI
2 stops14h 54m
American Airlines
Deal found 1/21$677
This Cheapflightsfares deal was found by Cheapflights users on 1/21. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/149:53 am
CMI
-
LHR
1 stop16h 22m
British Airways
Sat 2/213:45 pm
LHR
-
CMI
1 stop11h 59m
British Airways
Deal found 1/21$699
This Iberia deal was found by Cheapflights users on 1/20. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/2911:24 am
CMI
-
LHR
2 stops21h 31m
Iberia
Mon 2/27:05 pm
LHR
-
CMI
2 stops29h 18m
Iberia
Deal found 1/20$882
This FlightHub deal was found by Cheapflights users on 1/21. 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.
Sat 2/1412:05 pm
CMI
-
LHR
2 stops18h 00m
Multiple Airlines
Sat 2/2110:35 am
LHR
-
CMI
2 stops17h 09m
Multiple Airlines
Deal found 1/21$1,018
This oojo deal was found by Cheapflights users on 1/19. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/296:32 pm
CMI
-
LHR
1 stop9h 58m
British Airways
Sun 8/99:45 am
LHR
-
CMI
1 stop14h 21m
British Airways
Deal found 1/19$1,053

Find flight deals from Champaign to London

Discover tips and strategies to find the most affordable flight options for your journey from Champaign (CMI) to London (LON). 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 January 21, 2026.

Round-trip from

$652
(Cheapflightsfares)

One-way from

$583
(Ovago)
From Champaign University-Willard to London (LON)
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One-way flight from Champaign University-Willard to London (LON)
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Champaign to London 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 January 21, 2026.
Use the filters below to find and compare flights from Champaign to London that are best for you.

Fly from

Champaign

Fly to

London

Route

Depart

Return

Price

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Wed 2/11

11:24 am-11:35 am

1 stop18h 11m

London Heathrow

Sun 2/22

12:35 pm-9:44 pm

1 stop15h 09m

$652

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Mon 2/16

3:47 pm-8:15 am

1 stop10h 28m

London Heathrow

Mon 2/23

3:45 pm-9:44 pm

1 stop11h 59m

$652

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Sat 2/14

9:53 am-10:25 am

1 stop18h 32m

London Heathrow

Sat 2/21

12:50 pm-9:44 pm

2 stops14h 54m

$677

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Sat 2/14

9:53 am-8:15 am

1 stop16h 22m

London Heathrow

Sat 2/21

3:45 pm-9:44 pm

1 stop11h 59m

$699

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Sat 2/14

12:05 pm-12:05 pm

2 stops18h 00m

London Heathrow

Sat 2/21

10:35 am-9:44 pm

2 stops17h 09m

$1,018

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Mon 6/1

6:32 pm-11:15 am

1 stop10h 43m

London Heathrow

Tue 6/9

12:15 pm-6:02 pm

1 stop11h 47m

$1,073

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Mon 6/1

6:32 pm-6:55 pm

2 stops18h 23m

London Heathrow

Tue 6/9

12:15 pm-6:02 pm

1 stop11h 47m

$1,101

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Thu 3/12

9:52 am-8:10 am

2 stops17h 18m

$583

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/21

Best time to book a flight from Champaign to London

Have a flexible travel schedule? Discover the best time to fly to London 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.

Cheapflights Insights

Everything you need to know about your flight from Champaign to London
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Champaign to London. 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?

    For a flight from Champaign to London, you will be flying from University-Willard. Champaign University-Willard (CMI) is just 11.3 mi from the center of the city. University-Willard is the only Champaign airport and it handles 0 outbound flights to London per day. 0 airlines have flights to London from Champaign University-Willard on a regular basis.

  • How long is the flight from Champaign to London?

    Departing from Champaign to London will take you 18h 11m. There are 4044 mi between Champaign and London. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • Can I find deals for flights from Champaign to London that include hotel bookings?

    Yes. In addition to deals on Champaign to London flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Champaign to London?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Champaign to London.

  • Can I find deals for business class flights from Champaign to London?

    Yes. Cheapflights offers flight deals from Champaign to London 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?

Book flights to London if you plan to visit one of these locations
Ilford
Hounslow
Southend-on-Sea
Harrow
Croydon
Eastleigh
Gatwick
Dartford
Dover
Winchester
Orpington
Watford
Hayes
Borehamwood
Aylesbury
Chipping Norton
Horley
Kingston upon Thames
Eastbourne
Sutton

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Alternative routes for Champaign to London

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