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$422+ 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 3/3. Fares are subject to change and may not be available on all flights or dates of travel.
CMI — LON
Mar 6 — Mar 131
Fri 3/6
Fri 3/13
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 February 4, 2026.

This FlightHub deal was found by Cheapflights users on 2/4. 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.
Fri 8/76:36 pm
CMI
-
LHR
1 stop9h 54m
Multiple Airlines
Tue 8/257:50 am
LHR
-
CMI
2 stops19h 47m
Multiple Airlines
Deal found 2/4$732
This Iberia deal was found by Cheapflights users on 2/4. 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.
Fri 8/711:24 am
CMI
-
LHR
1 stop17h 06m
Iberia
Tue 8/253:15 pm
LHR
-
CMI
1 stop12h 22m
Iberia
Deal found 2/4$737
This Iberia deal was found by Cheapflights users on 2/2. 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 2/263:47 pm
CMI
-
LHR
1 stop12h 38m
Iberia
Mon 3/212:35 pm
LHR
-
CMI
1 stop15h 09m
Iberia
Deal found 2/2$773
This American Airlines deal was found by Cheapflights users on 2/2. 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.
Thu 3/192:54 pm
CMI
-
LHR
1 stop15h 46m
American Airlines
Thu 3/2611:00 am
LHR
-
CMI
1 stop15h 30m
American Airlines
Deal found 2/2$893
This British Airways deal was found by Cheapflights users on 2/3. 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.
Wed 3/43:47 pm
CMI
-
LHR
1 stop10h 28m
British Airways
Sun 3/810:45 am
LHR
-
CMI
2 stops39h 45m
British Airways
Deal found 2/3$913
This British Airways deal was found by Cheapflights users on 2/1. 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.
Wed 2/411:24 am
CMI
-
LHR
1 stop17h 01m
British Airways
Sun 2/82:10 pm
LHR
-
CMI
1 stop12h 17m
British Airways
Deal found 2/1$923
This Cheapflightsfares deal was found by Cheapflights users on 1/31. 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 9/98:20 pm
CMI
-
LHR
1 stop9h 55m
Multiple Airlines
Wed 9/2312:15 pm
LHR
-
CMI
1 stop11h 31m
Multiple Airlines
Deal found 1/31$950
This Cheapflightsfares deal was found by Cheapflights users on 2/2. 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.
Thu 2/263:47 pm
CMI
-
LHR
1 stop10h 28m
British Airways
Mon 3/23:45 pm
LHR
-
CMI
1 stop11h 59m
British Airways
Deal found 2/2$951

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 February 4, 2026.

Round-trip from

$773
(Iberia)

One-way from

$422
(oojo)
From Champaign University-Willard to London (LON)
Search Deals
One-way flight from Champaign University-Willard to London (LON)
Search Deals

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 February 4, 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

Thu 2/26

3:47 pm-10:25 am

1 stop12h 38m

London Heathrow

Mon 3/2

12:35 pm-9:44 pm

1 stop15h 09m

$773

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Thu 3/19

2:54 pm-11:40 am

1 stop15h 46m

London Heathrow

Thu 3/26

11:00 am-9:30 pm

1 stop15h 30m

$893

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Wed 3/4

3:47 pm-8:15 am

1 stop10h 28m

London Heathrow

Sun 3/8

10:45 am-9:30 pm

2 stops39h 45m

$913

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Thu 2/26

3:47 pm-8:15 am

1 stop10h 28m

London Heathrow

Mon 3/2

3:45 pm-9:44 pm

1 stop11h 59m

$951

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Thu 3/19

3:47 pm-8:35 am

1 stop11h 48m

London Heathrow

Thu 3/26

12:35 pm-9:30 pm

1 stop13h 55m

$968

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Thu 3/19

3:47 pm-2:20 pm

2 stops17h 33m

London Heathrow

Thu 3/26

2:10 pm-9:30 pm

1 stop12h 20m

$998

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Wed 3/4

3:47 pm-5:15 pm

2 stops19h 28m

London Heathrow

Sun 3/8

6:45 pm-9:30 pm

2 stops31h 45m

$1,008

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Tue 3/3

12:05 pm-8:15 am

1 stop14h 10m

$422

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Tue 3/3

3:47 pm-6:50 pm

2 stops21h 03m

$438

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/1

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 10h 28m. 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
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Orpington
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Horley
Kingston upon Thames
Eastbourne
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