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Cheap flights from Champaign to London from £529

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/11. Fares are subject to change and may not be available on all flights or dates of travel.
CMI — LON
12 Oct — 19 Oct1
1 adult
1 adult, Economy

Cheap 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 12 September 2025.

Round-trip from

£529
American Airlines
  • American Airlines
  • 3/11-15/11
  • 2 total stops
  • 27h 11m total
  • Champaign to London
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Find 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 12 September 2025.

Mon 3/1115:15CMI - LHR
1 stop12h 45mAmerican Airlines
Sat 15/1111:00LHR - CMI
1 stop14h 26mAmerican Airlines
Deal found 10/9£529
Tue 2/1213:22CMI - LHR
1 stop11h 33mBritish Airways
Wed 10/1211:00LHR - CMI
1 stop16h 30mBritish Airways
Deal found 9/9£537
Sun 2/1115:15CMI - LHR
1 stop12h 45mAmerican Airlines
Sat 15/1114:10LHR - CMI
1 stop13h 19mAmerican Airlines
Deal found 10/9£566
Mon 3/1113:50CMI - LHR
2 stops18h 30mBritish Airways
Sat 15/1115:45LHR - CMI
1 stop11h 44mBritish Airways
Deal found 12/9£577
Sun 2/1111:20CMI - LHR
2 stops16h 40mBritish Airways
Sat 15/1112:35LHR - CMI
1 stop14h 54mBritish Airways
Deal found 10/9£676

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 12 September 2025.
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

Mon 3/11

15:15-10:00

1 stop12h 45m

London Heathrow

Sat 15/11

11:00-19:26

1 stop14h 26m

£530

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Tue 2/12

13:22-06:55

1 stop11h 33m

London Heathrow

Wed 10/12

11:00-21:30

1 stop16h 30m

£537

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Sun 2/11

15:15-10:00

1 stop12h 45m

London Heathrow

Sat 15/11

14:10-21:29

1 stop13h 19m

£566

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Mon 3/11

13:50-14:20

2 stops18h 30m

London Heathrow

Sat 15/11

11:00-21:29

1 stop16h 29m

£577

Flights are sorted by cheapest return flights first.

Deals found on 11/9

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 American Airlines and British Airways fly from Champaign to London in about 11h 33m. The time it takes to get you to your destination can typically vary by up to 1h 12m. 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.

  • What is the cheapest month to book a flight from Champaign to London?

    Currently, January is the cheapest month in which you can book a flight from Champaign to London (average of £112). Flying from Champaign to London in August is currently the most expensive (average of £164). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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
Hounslow
Gatwick
Slough
Luton
Deal
Wembley
Ilford
Crawley
Hayes
Watford
Folkestone
Winchester
Chichester
Ipswich
Dartford
Eastbourne
Guildford
Bishop's Stortford

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Fly with Cheapflights

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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.

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