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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 18/4. 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 Apr — 28 Apr1
1 adult
1 adult, Economy, 0 bags

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 March 2026. In the last 7 days, Cheapflights users made a total of 858,174 searches

Fly to

Route

Depart

Return

Price

Cheapest return flight

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Mon 6/4

11:25-12:45

2 stops19h 20m

London Luton

Mon 13/4

12:25-09:40

2 stops27h 15m

£499

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Wed 29/4

20:10-22:10

1 stop20h 00m

London Stansted

Tue 5/5

17:35-09:40

1 stop22h 05m

£500

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Wed 15/4

20:10-09:55

1 stop31h 45m

London Stansted

Wed 29/4

10:50-09:40

1 stop28h 50m

£507

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Sun 26/4

20:10-22:10

1 stop20h 00m

London Stansted

Tue 5/5

06:55-09:40

1 stop32h 45m

£509

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Mon 13/4

11:25-19:25

2 stops26h 00m

London Luton

Wed 22/4

06:20-09:40

2 stops33h 20m

£523

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Sat 5/9

20:10-09:55

1 stop31h 45m

London Stansted

Wed 9/9

06:55-09:40

1 stop32h 45m

£544

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Sun 6/9

20:10-22:10

1 stop20h 00m

London Stansted

Sat 19/9

17:45-09:40

1 stop21h 55m

£552

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Wed 29/4

19:15-16:00

1 stop14h 45m

London Heathrow

Tue 5/5

21:05-16:10

2 stops25h 05m

£561

ChicagoManchester

ORD - MAN

ORDMAN

Chicago O'Hare Intl

Thu 16/4

11:25-13:35

2 stops20h 10m

Manchester

Thu 23/4

22:25-18:15

2 stops25h 50m

£576

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Sun 19/4

19:25-21:40

2 stops20h 15m

London Luton

Sat 25/4

11:00-18:15

2 stops13h 15m

£576

Flights are sorted by cheapest return flights first.

Deals found on 17/3

Showing 1-10 of 60 resultsSorted by cheapest first
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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 13 March 2026.

Booking 33 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 £293). Flying from Chicago in June will prove the most costly (average of £665). 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, Aer Lingus, Iberia, United Airlines, American Airlines. These airlines fly to the following popular destinations: London.

British Airways
British Airways
From £399
Aer Lingus
Aer Lingus
From £344
Etihad Airways
Etihad Airways
From £635
American Airlines
American Airlines
From £84

What are popular destinations to fly to from Chicago?

If you’re flying from Chicago, these routes are more frequently taken by airlines New York (1,046 flights per day), Detroit (1,026 flights per day) and Orlando (874 flights per day).

London
London
From £222
New York
New York
From £35
Los Angeles Los Angeles
Los Angeles Los Angeles
From £104
Dublin
Dublin
From £139

What is the cheapest place to fly to from Chicago?

The cheapest city to fly to from Chicago is Las Vegas Harry Reid Intl, with prices starting at £26. Explore other affordable destinations below.

Las Vegas Harry Reid Intl
Las Vegas Harry Reid Intl
From £26
New York
New York
From £35
Minneapolis St Paul
Minneapolis St Paul
From £58
Tampa
Tampa
From £59

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 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.
British Airways
6.7
Okay
7,813 reviews
Check prices

Entertainment

6.4

Food

6.4

Boarding

6.9

Crew

7.6

Overall

6.7

Comfort

6.8

Reviews

1 / 20
10.0
Excellent

Viorica,Mar 2026

PHX - LHR

The food lately is just from poor to very poor. I bealeave that you can serve less quantities for more quality food. Exemple : at breakfast : omlete and vegetarian omlete ....I beleave with less work less personel could be provide some hummus and carrots and some boiled egss plus whatever snacks or drinks you wish....... Thank you in advance
British Airways
6.7
Okay
7,813 reviews
British Airways
6.7
Okay
7,813 reviews
Check prices

Entertainment

6.4

Food

6.4

Boarding

6.9

Crew

7.6

Overall

6.7

Comfort

6.8

Reviews

1 / 20
10.0
Excellent

Viorica,Mar 2026

PHX - LHR

The food lately is just from poor to very poor. I bealeave that you can serve less quantities for more quality food. Exemple : at breakfast : omlete and vegetarian omlete ....I beleave with less work less personel could be provide some hummus and carrots and some boiled egss plus whatever snacks or drinks you wish....... Thank you in advance

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Direct flights from Illinois

Book a direct flight from one of these other cities located in Illinois.
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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 March 2026.

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

    This month, the top selected destinations from Chicago are Atlanta, Boston, Austin. Throughout the year, Boston, Atlanta, 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 £400; whereas Chicago Midway airport is typically cheaper if you're flying to Edinburgh, from £561. 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 Frontier, Spirit Airlines, and Aer Lingus have the cheapest prices from Chicago. Frontier flights from Chicago to Atlanta Hartsfield-Jackson (£64), Spirit Airlines flights from Chicago to Miami (£73), and Aer Lingus flights from Chicago to Dublin (£314).

  • 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 Edinburgh from £400 round trip
    Travel from Chicago to London from £442 round trip
    Travel from Chicago to Manchester from £468 round trip
    Travel from Chicago to Glasgow from £475 round trip
    Travel from Chicago to Almaty from £951 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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