$199+ Cheap flights from Illinois to the United Kingdom
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 7/16. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from Illinois to United Kingdom with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Illinois to United Kingdom
Keep the following information in mind while searching for Illinois to United Kingdom flight deals. Data was last updated June 12, 2025.
Round-trip from | $548 (Gotogate) |
|---|---|
One-way from | $199 (Norse) |
Popular in | June |
Cheapest in | February |
Average price | $1,142 |
Good round-trip deal | $667 or less |
Good one-way deal | $489 or less |
Find flight deals from Illinois to United Kingdom
Cheapest flights from Illinois to United KingdomExplore the most affordable flight options available from Illinois to United Kingdom. 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 Illinois to United Kingdom. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.
This Gotogate deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Ticket deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Kiwi.com deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This American Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Iberia deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Lufthansa deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Booking.com deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This SWISS deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This SWISS deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Kiwi.com deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Virgin Atlantic deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Cheapflightsfares deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Cheapflights Fare Finder
Customize your flight search to find flights from Illinois to United Kingdom 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 2,558,603 searches. Data last updated June 12, 2025.
Use the filters below to find and compare flights from Illinois to the United Kingdom that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
ChicagoGlasgow
ORD - GLA
ORDGLA
Chicago O'Hare Intl
Tue 10/7
7:25 pm-1:25 pm
1 stop12h 00m
Glasgow Intl
Tue 10/21
2:20 pm-6:15 pm
1 stop9h 55m
ChicagoGlasgow
ORD - GLA
ORDGLA
Chicago O'Hare Intl
Mon 8/4
4:55 pm-12:50 pm
1 stop13h 55m
Glasgow Intl
Wed 8/20
9:25 am-6:15 pm
1 stop14h 50m
ChicagoGlasgow
ORD - GLA
ORDGLA
Chicago O'Hare Intl
Tue 9/9
7:25 pm-1:25 pm
1 stop12h 00m
Glasgow Intl
Tue 9/23
8:55 pm-10:47 pm
2 stops31h 52m
ChicagoGlasgow
ORD - GLA
ORDGLA
Chicago O'Hare Intl
Mon 8/4
7:15 pm-2:40 pm
1 stop13h 25m
Glasgow Intl
Wed 8/20
8:40 am-2:40 pm
1 stop12h 00m
ChicagoGlasgow
ORD - GLA
ORDGLA
Chicago O'Hare Intl
Mon 10/27
9:45 pm-4:35 pm
1 stop13h 50m
Glasgow Intl
Mon 11/10
7:20 pm-3:25 pm
1 stop26h 05m
ChicagoGlasgow
ORD - GLA
ORDGLA
Chicago O'Hare Intl
Sun 11/2
10:35 pm-11:10 pm
1 stop18h 35m
Glasgow Intl
Thu 11/20
12:40 pm-8:05 pm
1 stop13h 25m
ChicagoGlasgow
ORD - GLA
ORDGLA
Chicago O'Hare Intl
Mon 8/4
6:24 pm-4:10 pm
2 stops15h 46m
Glasgow Intl
Wed 8/20
1:30 pm-2:10 pm
1 stop30h 40m
ChicagoLondon
ORD - LHR
ORDLHR
Chicago O'Hare Intl
Fri 8/15
7:15 pm-1:35 pm
1 stop12h 20m
London Heathrow
Tue 9/2
9:05 pm-4:10 pm
2 stops49h 05m
ChicagoLondon
ORD - LCY
ORDLCY
Chicago O'Hare Intl
Wed 8/20
2:20 pm-8:50 am
1 stop12h 30m
London City
Wed 8/27
9:25 am-3:55 pm
1 stop12h 30m
ChicagoLondon
ORD - LGW
ORDLGW
Chicago O'Hare Intl
Mon 7/28
7:05 pm-5:50 pm
1 stop16h 45m
London Gatwick
Mon 8/11
6:35 pm-3:55 pm
1 stop27h 20m
Best time to book a flight from Illinois to United Kingdom
Have a flexible travel schedule? Discover the best time to fly to United Kingdom from Illinois with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Illinois to the United Kingdom
What is the cheapest month to book a flight from Illinois to United Kingdom?
Currently, November is the cheapest month in which you can book a flight from Illinois to United Kingdom (average of $661). Flying from Illinois to United Kingdom 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 time of day to fly from IL to GB?
Find hourly flight availability from Illinois to United Kingdom. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to United Kingdom as you normally would.
Weekly flight availability from Illinois to United Kingdom
Explore weekly flight availability from Illinois to United Kingdom. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated June 12, 2025.
The most flights from USIL to GB0 are scheduled on a Monday (57 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (52 on average).
Rainfall in United Kingdom by month
Plan your trip to United Kingdom by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in United Kingdom 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 United Kingdom when rainfall is around 1.6 in.
Temperature in United Kingdom by month
Plan your trip to United Kingdom by taking into account the average temperature totals by month.
If weather is an important factor for your trip to United Kingdom, 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 United Kingdom
Get insights into the airlines that provide service to United Kingdom. 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 United Kingdom. Reviews last updated June 12, 2025.
Get a feel of what it's like to fly with Delta, KLM and Austrian Airlines from Illinois to United Kingdom by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
Food
Crew
Comfort
Overall
Entertainment
Reviews
Kim,May 2025
PIH - SLC
Boarding
Food
Crew
Comfort
Overall
Entertainment
Reviews
Kim,May 2025
PIH - SLC
Boarding
Food
Crew
Comfort
Overall
Entertainment
Reviews
Kim,May 2025
PIH - SLC
Boarding
Food
Crew
Comfort
Overall
Entertainment
Reviews
Kim,May 2025
PIH - SLC
Boarding
Food
Crew
Comfort
Overall
Entertainment
Reviews
Kim,May 2025
PIH - SLC
Boarding
Food
Crew
Comfort
Overall
Entertainment
Reviews
Kim,May 2025
PIH - SLC
Related info for your journey
Find useful and relevant information for your journey from Illinois to United Kingdom. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Illinois to United Kingdom
See prices for flight routes from nearby airports that may be better suited for you.
Top 10 airlines flying from Illinois to United Kingdom
Discover the top 10 airlines that operate flights from Illinois to United Kingdom. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$257 | Average$626 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$345 | Average$983 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$381 | Average$601 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$440 | Average$921 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$465 | Average$651 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$507 | Average$792 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$516 | Average$872 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$543 | Average$795 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$554 | Average$925 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$567 | Average$739 | FlexibilityNo cancel fee | On-time76% |