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Cheap flights from Champaign to London from £660

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
14 Nov — 21 Nov1
1 adult
1 adult, Economy

Find flight deals from Champaign to London

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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 15 October 2025.

Mon 3/1115:15CMI - LHR
1 stop12h 45mAmerican Airlines
Sat 15/1115:45LHR - CMI
1 stop11h 44mAmerican Airlines
Deal found 14/10£660
Mon 3/1113:50CMI - LHR
2 stops18h 30mBritish Airways
Sat 15/1115:45LHR - CMI
1 stop11h 44mBritish Airways
Deal found 14/10£742
Mon 1/1211:16CMI - LHR
1 stop14h 59mAmerican Airlines
Wed 31/1211:55LHR - CMI
1 stop14h 42mAmerican Airlines
Deal found 13/10£796
Mon 3/1113:50CMI - LHR
2 stops17h 40mMultiple Airlines
Sat 15/1106:15LHR - CMI
2 stops19h 11mMultiple Airlines
Deal found 13/10£931
Sun 2/1113:55CMI - LHR
1 stop12h 20mBritish Airways
Sat 15/1115:45LHR - CMI
1 stop11h 44mBritish Airways
Deal found 14/10£1,044
Sun 2/1115:15CMI - LHR
1 stop12h 45mAmerican Airlines
Sat 15/1114:10LHR - CMI
1 stop13h 19mAmerican Airlines
Deal found 15/10£1,055
Mon 1/1213:22CMI - LHR
2 stops20h 43mBritish Airways
Wed 31/1206:15LHR - CMI
2 stops18h 25mBritish Airways
Deal found 13/10£1,307

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 15 October 2025.

Round-trip from

£660
American Airlines
  • American Airlines
  • 3/11-15/11
  • 2 total stops
  • 27h 16m total
  • Champaign to London
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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 15 October 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

15:15-11:40

1 stop14h 25m

London Heathrow

Sat 15/11

12:35-19:26

1 stop12h 51m

£660

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Fri 27/3

15:45-11:40

1 stop14h 55m

London Heathrow

Tue 31/3

17:15-21:27

2 stops34h 12m

£676

Flights are sorted by cheapest return flights first.

Deals found on 13/10

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 fly from Champaign to London in about 14h 25m. 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
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