$183+ Cheap flights from Chicago (CHI) 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 7/21. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from Chicago 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 Chicago to United Kingdom
Keep the following information in mind while searching for Chicago to United Kingdom flight deals. Data was last updated mayo 20, 2025.
Most accurate provider | AranGrant 3 stars |
|---|---|
Most trusted provider | AranGrant 3 stars |
Round-trip from | $603 (oojo) |
One-way from | $183 (Flightnetwork) |
Popular in | July |
Cheapest in | February |
Average price | $744 |
Good round-trip deal | $700 or less |
Good one-way deal | $426 or less |
Find flight deals from Chicago to United Kingdom
Cheapest flights from Chicago to United KingdomExplore the most affordable flight options available from Chicago to United Kingdom. Find the lowest fares from popular airlines and budget airlines, with prices last updated on mayo 20, 2025.
Explore the most affordable flight options available from Chicago to United Kingdom. Find the lowest fares from popular airlines and budget airlines, with prices last updated on mayo 20, 2025.
This Cheapflightsfares deal was found by Cheapflights users on 5/20. 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.
This oojo deal was found by Cheapflights users on 5/20. 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 oojo 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 5/20. 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 Mytrip deal was found by Cheapflights users on 5/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This oojo deal was found by Cheapflights users on 5/19. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This oojo deal was found by Cheapflights users on 5/19. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This oojo deal was found by Cheapflights users on 5/19. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This oojo deal was found by Cheapflights users on 5/19. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Mytrip deal was found by Cheapflights users on 5/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Mytrip deal was found by Cheapflights users on 5/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Mytrip deal was found by Cheapflights users on 5/19. 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 Mytrip 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 5/19. 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.
Cheapflights Fare Finder
Customize your flight search to find flights from Chicago 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 mayo 20, 2025.
Use the filters below to find and compare flights from Chicago 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
lun. 6/2
10:15 pm-1:25 pm
1 stop9h 10m
Glasgow Intl
mié. 6/18
2:20 pm-6:15 pm
1 stop9h 55m
ChicagoLondon
ORD - LGW
ORDLGW
Chicago O'Hare Intl
sáb. 8/16
7:25 pm-11:45 am
1 stop10h 20m
London Gatwick
sáb. 8/23
3:40 pm-6:15 pm
1 stop32h 35m
ChicagoLondon
ORD - LHR
ORDLHR
Chicago O'Hare Intl
mar. 7/15
3:16 pm-7:50 am
1 stop10h 34m
London Heathrow
mar. 9/9
9:45 am-4:14 pm
1 stop12h 29m
ChicagoLondon
ORD - LHR
ORDLHR
Chicago O'Hare Intl
sáb. 8/16
10:15 pm-8:20 pm
1 stop16h 05m
London Heathrow
sáb. 8/23
9:25 pm-9:15 pm
1 stop29h 50m
ChicagoLondon
ORD - LHR
ORDLHR
Chicago O'Hare Intl
dom. 5/25
3:20 pm-7:50 am
1 stop10h 30m
London Heathrow
lun. 5/26
7:10 pm-2:15 pm
1 stop25h 05m
ChicagoLondon
ORD - LGW
ORDLGW
Chicago O'Hare Intl
lun. 6/16
7:56 am-10:00 am
1 stop20h 04m
London Gatwick
jue. 7/3
2:00 pm-8:23 pm
1 stop36h 23m
ChicagoLondon
ORD - STN
ORDSTN
Chicago O'Hare Intl
vie. 8/15
8:40 am-9:20 pm
3 stops30h 40m
London Stansted
lun. 8/25
10:00 pm-8:16 pm
2 stops28h 16m
ChicagoLondon
ORD - LTN
ORDLTN
Chicago O'Hare Intl
mié. 8/13
3:45 pm-8:00 am
1 stop10h 15m
London Luton
vie. 8/22
11:30 am-7:00 pm
1 stop13h 30m
ChicagoLondon
ORD - LHR
ORDLHR
Chicago O'Hare Intl
lun. 8/4
5:40 pm-7:20 am
Nonstop7h 40m
London Heathrow
vie. 8/15
3:10 pm-11:22 pm
1 stop14h 12m
ChicagoLondon
ORD - LHR
ORDLHR
Chicago O'Hare Intl
mié. 8/13
2:07 pm-6:30 am
1 stop10h 23m
London Heathrow
mié. 8/27
6:50 am-2:51 pm
2 stops14h 01m
Best time to book a flight from Chicago to United Kingdom
Have a flexible travel schedule? Discover the best time to fly to United Kingdom from Chicago with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Chicago to the United Kingdom
What is the cheapest month to book a flight from Chicago to United Kingdom?
Currently, November is the cheapest month in which you can book a flight from Chicago to United Kingdom (average of $661). Flying from Chicago to United Kingdom in June is currently the most expensive (average of $1,097). 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 CHI to GB?
Find hourly flight availability from Chicago 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 mayo 20, 2025.
When flying from Chicago to United Kingdom, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Weekly flight availability from Chicago to United Kingdom
Explore weekly flight availability from Chicago 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 mayo 20, 2025.
The most flights from CHI to GB0 are scheduled on a Monday (57 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (45 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 mayo 20, 2025.
Read through reviews of airlines operating flights from Chicago to United Kingdom, such as Delta, KLM and LOT. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
Entertainment
Comfort
Crew
Food
Overall
Reviews
Kim,May 2025
PIH - SLC
Boarding
Entertainment
Comfort
Crew
Food
Overall
Reviews
Kim,May 2025
PIH - SLC
Boarding
Entertainment
Comfort
Crew
Food
Overall
Reviews
Kim,May 2025
PIH - SLC
Boarding
Entertainment
Comfort
Crew
Food
Overall
Reviews
Kim,May 2025
PIH - SLC
Boarding
Entertainment
Comfort
Crew
Food
Overall
Reviews
Kim,May 2025
PIH - SLC
Boarding
Entertainment
Comfort
Crew
Food
Overall
Reviews
Kim,May 2025
PIH - SLC
Related info for your journey
Find useful and relevant information for your journey from Chicago to United Kingdom. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for Chicago to United Kingdom
See prices for flight routes from nearby airports that may be better suited for you.
Top 10 airlines flying from Chicago to United Kingdom
Discover the top 10 airlines that operate flights from Chicago 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 mayo 20, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$257 | Average$671 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$345 | Average$939 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$381 | Average$597 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$460 | Average$933 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$462 | Average$640 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$505 | Average$854 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$507 | Average$772 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$543 | Average$784 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$554 | Average$725 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$554 | Average$935 | FlexibilityNo cancel fee | On-time67% |