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Cheap flights from Champaign to London from £363

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 31/7. Fares are subject to change and may not be available on all flights or dates of travel.
CMI — LON
5 Jun — 12 Jun1
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 6 May 2026.

Wed 5/811:41
CMI
-
LHR
1 stop13h 09m
Multiple Airlines
Wed 26/806:15
LHR
-
CMI
2 stops20h 12m
Multiple Airlines
Deal found 4/5£657
Wed 5/811:41
CMI
-
LHR
1 stop15h 24m
British Airways
Wed 26/814:45
LHR
-
CMI
1 stop11h 42m
British Airways
Deal found 4/5£659
Wed 5/818:36
CMI
-
LHR
2 stops17h 39m
Iberia
Wed 26/811:30
LHR
-
CMI
2 stops40h 07m
Iberia
Deal found 1/5£820
Thu 13/816:48
CMI
-
LHR
1 stop10h 17m
British Airways
Thu 20/814:45
LHR
-
CMI
1 stop11h 42m
British Airways
Deal found 3/5£824
Wed 29/711:37
CMI
-
LHR
1 stop13h 13m
British Airways
Sun 9/813:10
LHR
-
CMI
1 stop13h 17m
British Airways
Deal found 3/5£997
Wed 29/706:04
CMI
-
LHR
1 stop23h 11m
Multiple Airlines
Sun 9/811:10
LHR
-
CMI
1 stop15h 17m
Multiple Airlines
Deal found 4/5£999

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 6 May 2026.

Round-trip from

£657

One-way from

£363
5/8-26/8
  • 5/8-26/8
  • 3 total stops
  • 33h 21m total
  • Champaign to London
Search Deals
Aer Lingus
  • Aer Lingus
  • 31/7
  • 2 total stops
  • 15h 28m 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 6 May 2026.
Use the filters below to find and compare flights from Champaign to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Wed 5/8

11:41-06:50

1 stop13h 09m

London Heathrow

Wed 26/8

06:15-20:27

2 stops20h 12m

£657

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Wed 5/8

16:46-11:15

1 stop12h 29m

London Heathrow

Wed 26/8

09:45-16:16

1 stop12h 31m

£659

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Wed 5/8

18:36-18:15

2 stops17h 39m

London Heathrow

Wed 26/8

11:30-21:37

2 stops40h 07m

£820
Fastest return journey

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Thu 13/8

16:48-09:05

1 stop10h 17m

London Heathrow

Thu 20/8

14:45-20:27

1 stop11h 42m

£824

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Wed 29/7

06:04-11:15

1 stop23h 11m

London Heathrow

Sun 9/8

11:10-20:27

1 stop15h 17m

£999

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Wed 29/7

11:37-09:05

1 stop15h 28m

London Heathrow

Sun 9/8

13:10-20:27

1 stop13h 17m

£999
Cheapest one-way

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Fri 31/7

11:37-09:05

2 stops15h 28m

£363
Fastest single journey

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Fri 31/7

11:37-08:05

1 stop14h 28m

£705

Flights are sorted by cheapest return flights first.

Deals found on 5/5

Sorted by cheapest first

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 British Airways fly from Champaign to London in about 12h 29m. The time it takes to get you to your destination can typically vary by up to . There are 4044 mi between Champaign and London.

  • 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
Wembley
Croydon
Hounslow
Luton
Gatwick
Ilford
Slough
Hayes
Brentford
Colchester
Romford
Watford
Kingston upon Thames
Eastbourne
Ipswich
Southend-on-Sea
Guildford
Bishop's Stortford
Chelmsford

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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.

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