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£67+ 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 4/2. 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
21 Jan — 28 Jan1
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 22 December 2025.

Cheapest airline

Spirit Airlines

Good round-trip deal

£43 or less

Good one-way deal

£44 or less
On average, Spirit Airlines currently has the cheapest one-way flight from Chicago (avg. price of £148).
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Price to beat on a round-trip flight from Chicago.
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Price to beat on a one-way flight from Chicago.
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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 22 December 2025.

Wed 21/118:30ORD - GLA
1 stop9h 25mIcelandair
Wed 28/112:35GLA - ORD
1 stop10h 45mIcelandair
Deal found 22/12£353
Tue 3/218:30ORD - GLA
1 stop9h 25mIcelandair
Sat 7/212:35GLA - ORD
1 stop10h 45mIcelandair
Deal found 21/12£366
Sat 10/118:30ORD - GLA
1 stop9h 25mIcelandair
Wed 14/112:35GLA - ORD
1 stop10h 45mIcelandair
Deal found 19/12£366
Sat 24/118:30ORD - GLA
1 stop9h 25mIcelandair
Mon 2/212:35GLA - ORD
1 stop10h 45mIcelandair
Deal found 20/12£369
Wed 11/319:30ORD - GLA
1 stop9h 25mIcelandair
Thu 19/312:35GLA - ORD
1 stop10h 45mIcelandair
Deal found 21/12£370
Sat 24/118:30ORD - GLA
1 stop9h 25mIcelandair
Sun 1/212:35GLA - ORD
1 stop10h 45mIcelandair
Deal found 20/12£372
Wed 8/419:25ORD - GLA
1 stop12h 00mIcelandair
Mon 13/414:20GLA - ORD
1 stop9h 55mIcelandair
Deal found 20/12£377
Tue 24/319:30ORD - GLA
1 stop9h 25mIcelandair
Tue 21/414:20GLA - ORD
1 stop9h 55mIcelandair
Deal found 21/12£380
Thu 26/219:20ORD - GLA
2 stops21h 15mMultiple Airlines
Sun 1/307:25GLA - ORD
2 stops15h 20mMultiple Airlines
Deal found 21/12£383
Thu 22/118:30ORD - GLA
1 stop9h 25mIcelandair
Mon 2/212:35GLA - ORD
1 stop10h 45mIcelandair
Deal found 20/12£386
Tue 3/218:30ORD - GLA
2 stops19h 50mMultiple Airlines
Tue 10/208:25GLA - ORD
2 stops14h 55mMultiple Airlines
Deal found 21/12£389
Thu 22/118:30ORD - GLA
1 stop9h 25mIcelandair
Sun 1/212:35GLA - ORD
1 stop10h 45mIcelandair
Deal found 20/12£389

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 22 December 2025. 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

Mon 23/3

19:30-09:55

1 stop9h 25m

Glasgow Intl

Wed 22/4

14:20-18:15

1 stop9h 55m

£398

ChicagoGlasgow

ORD - GLA

ORDGLA

Chicago O'Hare Intl

Sun 5/4

19:25-13:25

1 stop12h 00m

Glasgow Intl

Fri 10/4

14:20-18:15

1 stop9h 55m

£398

ChicagoGlasgow

ORD - GLA

ORDGLA

Chicago O'Hare Intl

Mon 23/3

19:30-09:55

1 stop9h 25m

Glasgow Intl

Tue 21/4

14:20-18:15

1 stop9h 55m

£398

ChicagoGlasgow

ORD - GLA

ORDGLA

Chicago O'Hare Intl

Tue 24/3

19:30-09:55

1 stop9h 25m

Glasgow Intl

Mon 20/4

14:20-18:15

1 stop9h 55m

£398

ChicagoGlasgow

ORD - GLA

ORDGLA

Chicago O'Hare Intl

Fri 30/1

18:30-20:00

2 stops19h 30m

Glasgow Intl

Tue 3/2

08:25-17:20

2 stops14h 55m

£407

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Mon 19/1

18:30-21:20

2 stops20h 50m

London Stansted

Mon 26/1

08:30-17:20

2 stops14h 50m

£408

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Thu 5/2

19:20-23:35

2 stops22h 15m

London Stansted

Thu 12/2

11:30-16:45

2 stops35h 15m

£409

ChicagoManchester

ORD - MAN

ORDMAN

Chicago O'Hare Intl

Sun 8/3

20:20-20:05

2 stops18h 45m

Manchester

Thu 12/3

10:10-17:45

1 stop12h 35m

£411

ChicagoManchester

ORD - MAN

ORDMAN

Chicago O'Hare Intl

Sun 1/3

20:25-16:15

1 stop13h 50m

Manchester

Sat 14/3

17:10-15:45

1 stop27h 35m

£413

ChicagoManchester

ORD - MAN

ORDMAN

Chicago O'Hare Intl

Thu 29/1

19:10-18:35

1 stop17h 25m

Manchester

Sun 1/2

10:10-16:55

1 stop12h 45m

£415

Flights are sorted by cheapest return flights first.

Deals found on 21/12

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 19 December 2025.

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 £298). Flying from Chicago in June will prove the most costly (average of £677). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

Which airlines fly from Chicago?

Many airlines operate round-trip flights from Chicago: British Airways, Iberia, Aer Lingus, Finnair, United Airlines. These airlines fly to the following popular destinations: London.

British Airways
British Airways
From £384
American Airlines
American Airlines
From £68
Aer Lingus
Aer Lingus
From £342
Iberia
Iberia
From £371

What are popular destinations to fly to from Chicago?

If you’re flying from Chicago, these routes are more frequently taken by airlines Orlando (902 flights per day), New York (849 flights per day) and Detroit (798 flights per day).

London
London
From £297
New York
New York
From £38
Los Angeles
Los Angeles
From £97
Dublin
Dublin
From £185

What is the cheapest place to fly to from Chicago?

The cheapest city to fly to from Chicago is Palm Beach Intl, with prices starting at £21. Explore other affordable destinations below.

Palm Beach Intl
Palm Beach Intl
From £21
Dallas/Fort Worth
Dallas/Fort Worth
From £29
New York
New York
From £38
Boston Logan Intl
Boston Logan Intl
From £40

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.
Iberia
7.0
Good
3,056 reviews
Check prices

Boarding

7.2

Entertainment

6.6

Crew

7.7

Food

6.3

Comfort

6.7

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
Iberia
7.0
Good
3,056 reviews
Iberia
7.0
Good
3,056 reviews
Check prices

Boarding

7.2

Entertainment

6.6

Crew

7.7

Food

6.3

Comfort

6.7

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
British Airways
6.7
Okay
7,605 reviews
Iberia
7.0
Good
3,056 reviews
Check prices

Boarding

7.2

Entertainment

6.6

Crew

7.7

Food

6.3

Comfort

6.7

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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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 22 December 2025.

  • What are the most popular destinations to fly to from Chicago?

    This month, the top selected destinations from Chicago are Ahmedabad, Mumbai, Atlanta. 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 £323; whereas Chicago Midway airport is typically cheaper if you're flying to London, from £474. 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 (£77), and American Airlines flights from Chicago to London (£119).

  • 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 £323 round trip
    Travel from Chicago to Edinburgh from £356 round trip
    Travel from Chicago to Glasgow from £360 round trip
    Travel from Chicago to Almaty from £945 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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