£58+ Cheap flights from Chicago

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 22/2. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
CHI — LHR
7 Feb — 14 Feb1
1 adult
1 adult, Economy, 0 bags

What to know about flights from Chicago

Discover essential information about flights departing from Chicago, including flight schedules, destinations, airlines operating at the Chicago airport, and any specific guidelines or requirements for travellers. Please note that the information is based on the most recent updates available. Data last updated 8 January 2026.

Cheapest airline

Spirit Airlines

Good round-trip deal

£43 or less

Good one-way deal

£56 or less
On average, Spirit Airlines currently has the cheapest one-way flight from Chicago (avg. price of £147).
Price to beat on a round-trip flight from Chicago.
Price to beat on a one-way flight from Chicago.

Find flights from Chicago

Enter your travel dates to find the best prices.

Cheapest flights from Chicago
Explore the most affordable flight options available from Chicago. Find the lowest fares based on data from user searches, with prices last updated on 8 January 2026.

Tue 17/319:30ORD - GLA
1 stop9h 25mIcelandair
Tue 24/312:35GLA - ORD
1 stop10h 45mIcelandair
Deal found 6/1£353
Wed 4/218:30ORD - GLA
1 stop9h 25mIcelandair
Wed 11/212:35GLA - ORD
1 stop10h 45mIcelandair
Deal found 6/1£358
Wed 11/218:30ORD - GLA
1 stop9h 25mIcelandair
Tue 17/212:35GLA - ORD
1 stop10h 45mIcelandair
Deal found 7/1£361
Tue 3/218:30ORD - GLA
1 stop9h 25mIcelandair
Sat 7/212:35GLA - ORD
1 stop10h 45mIcelandair
Deal found 7/1£365
Wed 4/218:30ORD - EDI
2 stops16h 45mMultiple Airlines
Wed 11/207:25EDI - ORD
2 stops15h 55mMultiple Airlines
Deal found 7/1£365
Wed 4/218:30ORD - EDI
2 stops16h 45mMultiple Airlines
Mon 9/222:30EDI - ORD
2 stops24h 50mMultiple Airlines
Deal found 6/1£367
Tue 3/218:30ORD - GLA
1 stop9h 25mIcelandair
Wed 11/212:35GLA - ORD
1 stop10h 45mIcelandair
Deal found 6/1£368
Thu 22/118:30ORD - EDI
2 stops22h 00mMultiple Airlines
Mon 26/107:55EDI - ORD
2 stops15h 25mMultiple Airlines
Deal found 6/1£371
Sat 25/419:25ORD - GLA
1 stop12h 00mIcelandair
Fri 1/514:20GLA - ORD
1 stop9h 55mIcelandair
Deal found 6/1£373
Wed 11/218:30ORD - GLA
1 stop9h 25mIcelandair
Mon 23/212:35GLA - ORD
1 stop10h 45mIcelandair
Deal found 6/1£374
Tue 3/218:30ORD - EDI
2 stops17h 55mMultiple Airlines
Tue 10/208:40EDI - ORD
2 stops14h 40mMultiple Airlines
Deal found 6/1£375
Tue 7/419:25ORD - GLA
1 stop12h 00mIcelandair
Tue 14/414:20GLA - ORD
1 stop9h 55mIcelandair
Deal found 4/1£377

Find flights from Chicago within your budget

 
Find flights departing from Chicago that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 8 January 2026. In the last 7 days, Cheapflights users made a total of 858,174 searches

Fly to

Heathrow

Route

Depart

Return

Price

ChicagoGlasgow

ORD - GLA

ORDGLA

Chicago O'Hare Intl

Wed 4/2

18:30-09:55

1 stop9h 25m

Glasgow Intl

Mon 9/2

12:35-17:20

1 stop10h 45m

£385

ChicagoGlasgow

ORD - GLA

ORDGLA

Chicago O'Hare Intl

Fri 6/2

18:30-09:55

1 stop9h 25m

Glasgow Intl

Thu 12/2

11:15-17:20

1 stop12h 05m

£385

ChicagoGlasgow

ORD - GLA

ORDGLA

Chicago O'Hare Intl

Fri 6/2

18:30-09:55

1 stop9h 25m

Glasgow Intl

Wed 11/2

12:35-17:20

1 stop10h 45m

£385

ChicagoGlasgow

ORD - GLA

ORDGLA

Chicago O'Hare Intl

Thu 5/2

18:30-09:55

1 stop9h 25m

Glasgow Intl

Mon 9/2

12:35-17:20

1 stop10h 45m

£385

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Thu 5/2

19:20-20:10

2 stops18h 50m

London Luton

Sat 7/2

20:50-16:55

2 stops26h 05m

£397

ChicagoManchester

ORD - MAN

ORDMAN

Chicago O'Hare Intl

Sun 25/1

19:10-17:55

2 stops40h 45m

Manchester

Wed 28/1

12:55-16:55

2 stops34h 00m

£398

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Wed 21/1

19:20-22:50

2 stops21h 30m

London Stansted

Sat 24/1

06:30-16:45

2 stops16h 15m

£399

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Wed 21/1

19:20-23:05

2 stops21h 45m

London Luton

Sat 24/1

06:00-16:45

2 stops16h 45m

£404

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Wed 22/4

15:45-09:00

1 stop11h 15m

London Luton

Wed 29/4

06:15-14:00

1 stop13h 45m

£408

ChicagoManchester

ORD - MAN

ORDMAN

Chicago O'Hare Intl

Mon 23/3

20:20-17:55

2 stops16h 35m

Manchester

Mon 27/4

09:35-16:10

1 stop12h 35m

£411

Flights are sorted by cheapest return flights first.

Deals found on 6/1

Showing 1-10 of 60 results
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Best time to book a flight from Chicago

Have a flexible travel schedule? Discover the best time to fly from Chicago 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.

Travel insights for flights from Chicago

Get recent, data-driven insights about flights from Chicago including ideal travel times, pricing trends, and more.

When is the best time to book a flight from Chicago?

Use this chart to determine the optimal time to book a return flight from Chicago to Heathrow. Price data was last updated on 2 January 2026.

Booking 68 days in advance of your planned departure date is, on average, the best time to get cheap flights from Chicago. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Chicago?

Currently, May is the cheapest month in which you can book a flight from Chicago (average of £290). Flying from Chicago in June will prove the most costly (average of £672). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

Airline reviews for flights from Chicago

Get insights into the airlines that provide service from Chicago. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing airline for your flight from Chicago. In the last 7 days, Cheapflights users made a total of 858,174 searches.
Check out reviews from past customers who have flown Iberia and British Airways from Chicago to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Crew

7.7

Comfort

6.7

Entertainment

6.6

Boarding

7.1

Food

6.3

Overall

7.0

Reviews

1 / 20
6.0
Good

David,May 2025

JFK - MAD

Unfortunately carry on bag over head was full. I was seated 27J and had to place my carry on by seat 8 .. other then that it was a good flight

Crew

7.7

Comfort

6.7

Entertainment

6.6

Boarding

7.1

Food

6.3

Overall

7.0

Reviews

1 / 20
6.0
Good

David,May 2025

JFK - MAD

Unfortunately carry on bag over head was full. I was seated 27J and had to place my carry on by seat 8 .. other then that it was a good flight

Crew

7.7

Comfort

6.7

Entertainment

6.6

Boarding

7.1

Food

6.3

Overall

7.0

Reviews

1 / 20
6.0
Good

David,May 2025

JFK - MAD

Unfortunately carry on bag over head was full. I was seated 27J and had to place my carry on by seat 8 .. other then that it was a good flight

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Direct flights from Illinois

Book a direct flight from one of these other cities located in Illinois.

Related info for your journey

Access useful and relevant information related to your journey from Chicago. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 8 January 2026.
  • What are the most popular destinations to fly to from Chicago?

    This month, the top selected destinations from Chicago are Ahmedabad, Atlanta, Mumbai. Throughout the year, Atlanta, Boston, Ahmedabad are some of the top choices made by users flying from Chicago.

  • What is the cheapest airport to fly out of Chicago?

    Chicago O'Hare Intl airport offers the cheapest routes to Almaty, from £301; whereas Chicago Midway airport is typically cheaper if you're flying to Edinburgh, from £430. It's best to make sure you are flexible on dates to find the cheapest possible flight options for your journey.

  • What are the cheapest airlines flying from Chicago to anywhere?

    Over the past few days, we've found that Spirit Airlines, Frontier, and American Airlines have the cheapest prices from Chicago. Spirit Airlines flights from Chicago to Miami (£50), Frontier flights from Chicago to Atlanta Hartsfield-Jackson (£76), and American Airlines flights from Chicago to London (£118).

  • What is the cheapest month to fly from Chicago?

    At the present moment the cheapest month to fly from Chicago is currently May; with June being the most expensive. Prices will vary depending on multiple factors such as booking in advance, airline and departure airports and times.

  • Where are the cheapest places to fly to from Chicago?

    Check out the cheapest flights from Chicago to embark to:
    Travel from Chicago to London from £301 round trip
    Travel from Chicago to Edinburgh from £326 round trip
    Travel from Chicago to Glasgow from £331 round trip
    Travel from Chicago to Manchester from £342 round trip
    Travel from Chicago to Almaty from £941 round trip

  • How does Cheapflights help users find flights from Chicago?

    900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight from Chicago today with Cheapflights!

  • Why should you use Cheapflights to find cheap flight tickets from Chicago?

    Millions of users choose and trust Cheapflights to book the best flight deals from Chicago 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 Chicago with no change fees?

    Yes, we can. To see specific flights from Chicago 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 Chicago become cheaper?

    Yes! Start tracking prices for flights from Chicago 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 the alerts.

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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Chicago?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight from Chicago today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Chicago?

Millions of users choose and trust Cheapflights to book the best flight deals from Chicago 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 Chicago with no change fees?

Yes, we can. To see specific flights from Chicago 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 Chicago become cheaper?

Yes! Start tracking prices for flights from Chicago 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 the alerts.

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