Find flights
When to book
FAQs

Cheap flights from Champaign to London from £309

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
5 Mar — 12 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Champaign to London

Enter your travel dates to find the best prices.

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 3 February 2026.

Thu 26/215:47
CMI
-
LHR
1 stop12h 38m
Iberia
Mon 2/312:35
LHR
-
CMI
1 stop15h 09m
Iberia
Deal found 2/2£565
Thu 19/314:54
CMI
-
LHR
1 stop15h 46m
American Airlines
Thu 26/311:00
LHR
-
CMI
1 stop15h 30m
American Airlines
Deal found 2/2£653
Wed 4/315:47
CMI
-
LHR
1 stop10h 28m
British Airways
Sun 8/318:45
LHR
-
CMI
2 stops31h 45m
British Airways
Deal found 2/2£669
Wed 4/211:24
CMI
-
LHR
1 stop17h 01m
British Airways
Sun 8/214:10
LHR
-
CMI
1 stop12h 17m
British Airways
Deal found 31/1£675
Wed 9/920:20
CMI
-
LHR
1 stop9h 55m
Multiple Airlines
Wed 23/912:15
LHR
-
CMI
1 stop11h 31m
Multiple Airlines
Deal found 31/1£695
Thu 26/215:47
CMI
-
LHR
1 stop10h 28m
British Airways
Mon 2/315:45
LHR
-
CMI
1 stop11h 59m
British Airways
Deal found 2/2£695
Thu 19/315:47
CMI
-
LHR
1 stop11h 48m
Iberia
Thu 26/312:35
LHR
-
CMI
1 stop13h 55m
Iberia
Deal found 2/2£708
Thu 19/315:47
CMI
-
LHR
2 stops17h 33m
British Airways
Thu 26/314:10
LHR
-
CMI
1 stop12h 20m
British Airways
Deal found 2/2£730
Wed 4/315:47
CMI
-
LHR
2 stops19h 28m
Iberia
Sun 8/318:45
LHR
-
CMI
2 stops31h 45m
Iberia
Deal found 2/2£737

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 3 February 2026.

Round-trip from

£565

One-way from

£309
Iberia
  • Iberia
  • 26/2-2/3
  • 2 total stops
  • 27h 47m total
  • Champaign to London
Search Deals
British Airways
  • British Airways
  • 3/3
  • 1 total stop
  • 14h 10m total
  • Champaign to London
Search Deals

Cheapflights Fare Finder

 
Customise 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 858,174 searches. Data last updated 3 February 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 26/2

15:47-10:25

1 stop12h 38m

London Heathrow

Mon 2/3

12:35-21:44

1 stop15h 09m

£565

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Thu 19/3

14:54-11:40

1 stop15h 46m

London Heathrow

Thu 26/3

11:00-21:30

1 stop15h 30m

£653

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Wed 4/3

15:47-08:15

1 stop10h 28m

London Heathrow

Sun 8/3

18:45-21:30

2 stops31h 45m

£669

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Thu 26/2

15:47-08:15

1 stop10h 28m

London Heathrow

Mon 2/3

15:45-21:44

1 stop11h 59m

£695

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Thu 19/3

15:47-08:35

1 stop11h 48m

London Heathrow

Thu 26/3

12:35-21:30

1 stop13h 55m

£708

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Thu 19/3

15:47-14:20

2 stops17h 33m

London Heathrow

Thu 26/3

14:10-21:30

1 stop12h 20m

£730

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Wed 4/3

15:47-17:15

2 stops19h 28m

London Heathrow

Sun 8/3

18:45-21:30

2 stops31h 45m

£737

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Wed 29/7

14:47-10:55

1 stop14h 08m

London Heathrow

Sun 9/8

12:55-20:52

1 stop13h 57m

£798

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Tue 3/3

12:05-08:15

1 stop14h 10m

£309

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Tue 3/3

15:47-18:50

2 stops21h 03m

£320

Flights are sorted by cheapest return flights first.

Deals found on 1/2

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 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.

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?

    Champaign University-Willard (CMI) is the airport you will fly out of if you book a flight from Champaign to London. You should not have trouble finding flights to London from University-Willard; the airport handles an average of 0 outbound flights to London per day. You should also have plenty of airline options to choose from since 0 airlines have flights from the Champaign airport to London. It is only a 11.3 mi journey to University-Willard (CMI) from Champaign’s city center.

  • How long is the flight from Champaign to London?

    Airlines like Iberia, American Airlines, and British Airways fly from Champaign to London in about 10h 28m. The time it takes to get you to your destination can typically vary by up to 5h 18m. There are 4044 mi between Champaign and London. 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 London that include hotel bookings?

    Yes. In addition to deals on Champaign to London flights, Cheapflights offers holiday 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

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Milton Keynes
Croydon
Luton
Wembley
Gatwick
Slough
Ilford
Hounslow
Brentford
Hayes
Colchester
Watford
Guildford
Bedford
Chelmsford
Eastbourne
Crawley
Kingston upon Thames
Romford
Ipswich

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.

Alternative routes for Champaign to London

See prices for flight routes from nearby airports that may be better suited for you.
O'Hare Intl to Heathrow flights
O'Hare Intl to Gatwick flights
O'Hare Intl to London City flights
O'Hare Intl to Stansted flights
Midway to Heathrow flights
O'Hare Intl to Edinburgh flights
O'Hare Intl to Luton flights
St. Louis to Heathrow flights
St. Louis to Gatwick flights
O'Hare Intl to Manchester flights
St. Louis to Stansted flights
Midway to Manchester flights
St. Louis to Edinburgh flights
O'Hare Intl to Birmingham flights
O'Hare Intl to Leeds flights
O'Hare Intl to Newcastle upon Tyne flights
Peoria to Heathrow flights
O'Hare Intl to Bristol flights
St. Louis to Birmingham flights
St. Louis to Manchester flights
Midway to Birmingham flights
O'Hare Intl to Liverpool flights
Evansville to Heathrow flights
Bloomington to Gatwick flights
Midway to Leeds flights
Champaign to Heathrow flights
Evansville to Manchester flights
St. Louis to Leeds flights

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 London?

When you search for this flight from Champaign to London, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Champaign to London?

Millions of users choose and trust Cheapflights to book the best flight deals from Champaign to London 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 London with no change fees?

Yes, we can. To see specific flights from Champaign to London with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Champaign to London become cheaper?

Yes! Start tracking prices for Champaign to London 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.