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

Currently, November is the cheapest month in which you can book a flight from Champaign to London (average of $661). Flying from Champaign to London in June is currently the most expensive (average of $1,108). 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.

What is the cheapest day to fly round-trip from Champaign to London?

Flying to your destination on a Saturday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to London. Check prices with Cheapflights to find a great deal for your trip.

What is the cheapest time of day to fly from CMI to LON?

Unlike in the morning, when flights are generally more expensive, you can save up to 20% on flights from Champaign to London by exploring options for tickets at noon.

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.

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.

$750+ Flights from Champaign to London

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Cheap flight deals from Champaign to London

Round-trip from	$750 (American Airlines)

From Champaign University-Willard to London (LON)

Search Deals

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 June 12, 2025.

Tue 10/218:20 pmCMI - LHR

1 stop9h 55mAmerican Airlines

Thu 10/308:20 amLHR - CMI

1 stop17h 15mAmerican Airlines

Deal found 6/12

$750

Tue 10/212:58 pmCMI - LHR

1 stop13h 32mBritish Airways

Thu 10/306:15 amLHR - CMI

2 stops19h 24mBritish Airways

Deal found 6/12

$754

Best flights from Champaign to London
Discover carefully curated flight deals from Champaign to London that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 12, 2025.

Tue 10/218:20 pmCMI - LHR

1 stop9h 55mAmerican Airlines

Thu 10/308:20 amLHR - CMI

1 stop17h 15mAmerican Airlines

Deal found 6/12

$750

Tue 10/212:58 pmCMI - LHR

1 stop13h 32mBritish Airways

Thu 10/306:15 amLHR - CMI

2 stops19h 24mBritish Airways

Deal found 6/12

$754

Last-minute flights from Champaign to London
Discover last-minute flight deals from Champaign to London. Data last updated June 12, 2025 and is based on user searches.

Wed 7/302:51 pmCMI - LHR

1 stop12h 19mBritish Airways

Sat 8/306:15 amLHR - CMI

2 stops17h 51mBritish Airways

Deal found 6/10

$779

Cheapflights Fare Finder

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

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Tue 10/21

8:20 pm-12:15 pm

1 stop9h 55m

London Heathrow

Thu 10/30

8:20 am-8:35 pm

1 stop17h 15m

$750

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Tue 10/21

2:58 pm-10:30 am

1 stop13h 32m

London Heathrow

Thu 10/30

6:15 am-8:39 pm

2 stops19h 24m

$754

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

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

Rainfall in London by month

In terms of precipitation, rainfall in London ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London when rainfall is around 1.6 in.

Temperature in London by month

If weather is an important factor for your trip to London, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

Reviews of airlines servicing London

American Airlines

7.2

Good

10,000 reviews

Reviews

1 / 20

6.0

Good

Alison,May 2025

LHR - MAN

Gate staff were confused and passengers openly incredulous at lack of organisation and information to the extent that for a while we all believed entry to the gate would be via a coffee shop. It was embarrassing to see US passengers so derisive of the ground crew’s ineptitude.

American Airlines

7.2

Good

10,000 reviews

American Airlines

7.2

Good

10,000 reviews

Reviews

1 / 20

6.0

Good

Alison,May 2025

LHR - MAN

British Airways

6.6

Okay

7,008 reviews

American Airlines

7.2

Good

10,000 reviews

Reviews

1 / 20

6.0

Good

Alison,May 2025

LHR - MAN

Related info for your journey

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.
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.
What is the cheapest month to book a flight from Champaign to London?
Currently, November is the cheapest month in which you can book a flight from Champaign to London (average of $661). Flying from Champaign to London in June is currently the most expensive (average of $1,108). 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

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Hounslow

Thornton Heath

Luton

Canterbury

Harrow

Dover

Gatwick

Orpington

Watford

Croydon

Folkestone

Borehamwood

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Chelmsford

Brentwood

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Wembley

Arundel

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$750+ Cheap flights from Champaign (CMI) to London (LON)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/21. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Champaign to London with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Champaign to London

Round-trip from

Find flight deals from Champaign to London

Cheapest flights from Champaign to LondonExplore 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 June 12, 2025.

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 June 12, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Champaign to London that are best for you.

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.

Cheapflights Insights

Everything you need to know about your flight from Champaign to London

Rainfall in London by month

Plan your trip to London by taking into account the average rainfall totals by month.

Temperature in London by month

Plan your trip to London by taking into account the average temperature totals by month.

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to London. Reviews last updated June 12, 2025.

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?

Can I find deals for flights from Champaign to London that include hotel bookings?

How can I find direct flights from Champaign to London?

Can I find deals for business class flights from Champaign to London?

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

Traveling to a place near Champaign?

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Alternative routes for 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 June 12, 2025.