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£85+ Cheap flights from Chicago O'Hare Intl Airport

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 29/10. 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.
ORD — LHR
17 Oct — 24 Oct1
1 adult
1 adult, Economy

What to know about flights from O'Hare Intl

Discover essential information about flights departing from O'Hare Intl, including flight schedules, destinations, airlines operating at the O'Hare Intl 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 17 September 2025.

Cheapest airline

Frontier

Good round-trip deal

£43 or less

Good one-way deal

£51 or less
On average, Frontier currently has the cheapest one-way flight from Chicago O'Hare Intl (avg. price of £122).
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Price to beat on a round-trip flight from Chicago O'Hare Intl.
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Price to beat on a one-way flight from Chicago O'Hare Intl.
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Find flights from O'Hare Intl

Cheapest flights from O'Hare Intl
Explore the most affordable flight options available from O'Hare Intl. Find the lowest fares based on data from user searches, with prices last updated on 17 September 2025.

Sun 9/1120:25ORD - MAN
1 stop13h 50mTAP AIR PORTUGAL
Sat 15/1117:10MAN - ORD
1 stop27h 35mTAP AIR PORTUGAL
Deal found 15/9£300
Wed 11/320:10ORD - MAN
1 stop15h 05mTAP AIR PORTUGAL
Tue 24/317:15MAN - ORD
1 stop27h 45mTAP AIR PORTUGAL
Deal found 16/9£304
Fri 27/218:30ORD - MAN
1 stop10h 15mIcelandair
Sun 15/311:55MAN - ORD
1 stop11h 25mIcelandair
Deal found 15/9£347
Tue 9/1218:30ORD - MAN
1 stop10h 15mIcelandair
Sat 10/111:55MAN - ORD
1 stop11h 25mIcelandair
Deal found 16/9£352
Sat 7/318:30ORD - MAN
1 stop10h 15mIcelandair
Fri 13/311:55MAN - ORD
1 stop11h 25mIcelandair
Deal found 14/9£355
Sun 12/1022:15ORD - GLA
1 stop9h 10mIcelandair
Thu 30/1012:35GLA - ORD
1 stop10h 45mIcelandair
Deal found 14/9£360
Mon 6/1019:25ORD - GLA
1 stop12h 00mIcelandair
Fri 17/1014:20GLA - ORD
1 stop12h 55mIcelandair
Deal found 16/9£361
Thu 6/1118:30ORD - GLA
1 stop9h 25mIcelandair
Thu 13/1112:35GLA - ORD
1 stop10h 45mIcelandair
Deal found 15/9£362
Fri 14/1119:20ORD - MAN
2 stops31h 20mScandinavian Airlines
Sun 16/1117:25MAN - ORD
2 stops29h 20mScandinavian Airlines
Deal found 16/9£362
Sun 12/1019:25ORD - MAN
1 stop10h 15mIcelandair
Fri 17/1012:40MAN - ORD
1 stop14h 35mIcelandair
Deal found 16/9£363
Sun 12/1019:25ORD - GLA
1 stop12h 00mIcelandair
Sun 2/1112:35GLA - ORD
1 stop10h 45mIcelandair
Deal found 14/9£364
Tue 28/1019:30ORD - BRS
2 stops14h 05mMultiple Airlines
Tue 4/1109:00BRS - ORD
2 stops14h 20mMultiple Airlines
Deal found 15/9£365

Find flights from O'Hare Intl within your budget

 
Find flights departing from O'Hare Intl 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 17 September 2025. In the last 7 days, Cheapflights users made a total of 858,174 searches

Fly to

Heathrow

Route

Depart

Return

Price

ChicagoManchester

ORD - MAN

ORDMAN

Chicago O'Hare Intl

Sun 30/11

18:30-10:45

1 stop10h 15m

Manchester

Thu 4/12

11:55-17:20

1 stop11h 25m

£355

ChicagoManchester

ORD - MAN

ORDMAN

Chicago O'Hare Intl

Fri 14/11

19:20-08:40

2 stops31h 20m

Manchester

Sun 16/11

17:25-16:45

2 stops29h 20m

£362

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Sun 28/9

16:00-06:20

Nonstop8h 20m

London Heathrow

Tue 21/10

06:50-12:05

1 stop11h 15m

£372

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Fri 28/11

18:30-20:35

2 stops20h 05m

London Stansted

Fri 5/12

05:55-17:20

2 stops17h 25m

£372

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Tue 21/10

10:40-09:35

1 stop16h 55m

London Heathrow

Mon 27/10

16:40-15:10

1 stop27h 30m

£375

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Wed 3/12

18:30-23:05

2 stops22h 35m

London Luton

Tue 9/12

09:00-17:20

2 stops14h 20m

£375

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Tue 14/10

18:20-11:00

1 stop10h 40m

London Heathrow

Wed 29/10

09:00-16:10

1 stop12h 10m

£377

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Wed 1/10

18:28-11:25

1 stop10h 57m

London Heathrow

Tue 21/10

06:30-14:10

1 stop13h 40m

£378

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Tue 14/10

14:00-12:00

2 stops16h 00m

London Stansted

Tue 21/10

21:45-20:17

2 stops28h 32m

£378

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Sun 28/9

20:10-13:10

1 stop11h 00m

London Heathrow

Tue 21/10

08:40-14:10

1 stop11h 30m

£378

Flights are sorted by cheapest return flights first.

Deals found on 13/9

Showing 1-10 of 60 results
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Best time to book a flight from O'Hare Intl

Have a flexible travel schedule? Discover the best time to fly from O'Hare Intl 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 O'Hare Intl

Get recent, data-driven insights about flights from O'Hare Intl including ideal travel times, pricing trends, and more.

When is the best time to book a flight from Chicago O'Hare Intl Airport?

Use this chart to determine the optimal time to book a return flight from O'Hare Intl to Heathrow. Price data was last updated on 12 September 2025.

Booking 42 days in advance of your planned departure date is, on average, the best time to get cheap flights from Chicago O'Hare Intl Airport. 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 O'Hare Intl Airport?

Currently, May is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport (average of £287). Flying from Chicago O'Hare Intl Airport in June will prove the most costly (average of £658). 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 O'Hare Intl Airport?

Many airlines operate round-trip flights from Chicago O'Hare Intl Airport: British Airways, Iberia, Finnair, United Airlines, Lufthansa. These airlines fly to the following popular destinations: London.

British Airways
British Airways
From £516
American Airlines
American Airlines
From £91
Iberia
Iberia
From £564
United Airlines
United Airlines
From £176

What are popular destinations to fly to from Chicago O'Hare Intl Airport?

If you’re flying from Chicago O'Hare Intl Airport, these routes are more frequently taken by airlines New York (1,616 flights per day), Detroit (1,024 flights per day) and Los Angeles (755 flights per day).

London
London
From £348
New York
New York
From £49
Dublin
Dublin
From £395
Istanbul
Istanbul
From £316

What is the cheapest place to fly to from Chicago O'Hare Intl Airport?

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

Palm Beach Intl
Palm Beach Intl
From £29
New York
New York
From £49
Vancouver Intl
Vancouver Intl
From £63
Orlando
Orlando
From £67

Airline reviews for flights from O'Hare Intl

Get insights into the airlines that provide service from O'Hare Intl. 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 O'Hare Intl. In the last 7 days, Cheapflights users made a total of 858,174 searches.
Read reviews from past customers who have flown Finnair, United Airlines, andIberia from Chicago O'Hare Intl Airport. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Finnair
7.6
Good
1,324 reviews
Check prices

Boarding

7.6

Crew

8.1

Entertainment

6.9

Overall

7.6

Food

6.7

Comfort

7.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
Finnair
7.6
Good
1,324 reviews
Finnair
7.6
Good
1,324 reviews
Check prices

Boarding

7.6

Crew

8.1

Entertainment

6.9

Overall

7.6

Food

6.7

Comfort

7.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
United Airlines
7.4
Good
8,924 reviews
Finnair
7.6
Good
1,324 reviews
Check prices

Boarding

7.6

Crew

8.1

Entertainment

6.9

Overall

7.6

Food

6.7

Comfort

7.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
Iberia
7.0
Good
2,924 reviews
Finnair
7.6
Good
1,324 reviews
Check prices

Boarding

7.6

Crew

8.1

Entertainment

6.9

Overall

7.6

Food

6.7

Comfort

7.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
Lufthansa
6.8
Okay
7,407 reviews
Finnair
7.6
Good
1,324 reviews
Check prices

Boarding

7.6

Crew

8.1

Entertainment

6.9

Overall

7.6

Food

6.7

Comfort

7.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
British Airways
6.7
Okay
7,363 reviews
Finnair
7.6
Good
1,324 reviews
Check prices

Boarding

7.6

Crew

8.1

Entertainment

6.9

Overall

7.6

Food

6.7

Comfort

7.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

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Alternate flight departure points to O'Hare Intl

Consider leaving from one of these other departure points that are located a short distance from O'Hare Intl. Flight origins were last updated on 17 September 2025.
Flights from St. Louis
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Related info for your journey

Access useful and relevant information related to your journey from O'Hare Intl. 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 17 September 2025.

  • What are the most popular destinations to fly to from Chicago O'Hare Intl Airport?

    This month, the top selected destinations from Chicago O'Hare Intl Airport are Athens, Ahmedabad, Amman. Throughout the year, Ahmedabad, Mumbai, Athens are some of the top choices made by users flying from Chicago O'Hare Intl Airport.

  • What is the cheapest flight from Chicago O'Hare Intl Airport to anywhere?

    Users have flown out of Chicago O'Hare Intl Airport for as low as £21 to West Palm Beach (prices may vary depending on the airline and departure time). On average, users have booked flights for £493 to fly from Chicago O'Hare Intl Airport.

  • What are the cheapest airlines flying from Chicago O'Hare Intl Airport to anywhere?

    Over the past few days, we've found that Frontier, Spirit Airlines, and American Airlines have the cheapest prices from Chicago O'Hare Intl Airport. Frontier flights from Chicago O'Hare Intl Airport to Atlanta Hartsfield-Jackson (£21), Spirit Airlines flights from Chicago O'Hare Intl Airport to Las Vegas Harry Reid Intl (£33), and American Airlines flights from Chicago O'Hare Intl Airport to Grand Rapids Gerald R. Ford Intl (£67).

  • What is the cheapest premium economy flight from Chicago O'Hare Intl Airport?

    Here are some of the cheapest offers we have found for the cheapest premium economy flights from Chicago O'Hare Intl Airport.
    Chicago O'Hare Intl to Minneapolis from £223
    Chicago O'Hare Intl to South Bend from £248
    Chicago O'Hare Intl to New York LaGuardia Airport from £326
    Chicago O'Hare Intl to Houston George Bush Intcntl Airport from £349

  • What is the cheapest first class flight from Chicago O'Hare Intl Airport?

    If you’re looking for a cheap first-class flight from Chicago O'Hare Intl Airport, consider Detroit. Prices start at £315 so you can fly first-class even on a budget.

  • What is the cheapest month to fly from Chicago O'Hare Intl Airport?

    At the present moment the cheapest month to fly from Chicago O'Hare Intl Airport 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 O'Hare Intl Airport?

    Check out the cheapest flights from Chicago O'Hare Intl Airport to embark to:
    Travel from Chicago to Manchester from £300 round trip
    Travel from Chicago to London from £309 round trip
    Travel from Chicago to Edinburgh from £329 round trip
    Travel from Chicago to Glasgow from £342 round trip
    Travel from Chicago to Bristol from £365 round trip

  • How does Cheapflights help users find flights from O'Hare Intl?

    Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from O'Hare Intl. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

  • Why should you use Cheapflights to find cheap flight tickets from O'Hare Intl?

    Cheapflights simply makes it quick and affordable to book flights from O'Hare Intl by bringing together all flight options from hundreds of airlines and agencies online — and we put them in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

  • Can Cheapflights find flights from O'Hare Intl with no change fees?

    Certainly. Search results for flights from O'Hare Intl shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

  • Can Cheapflights notify me if prices for flights from O'Hare Intl become cheaper?

    Of course! You can now track prices for flights from O'Hare Intl and get an alert from Cheapflights when they change. Click the bell icon next to the flight deals above and provide your email address to set up price alerts.

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Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from O'Hare Intl. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from O'Hare Intl?

Cheapflights simply makes it quick and affordable to book flights from O'Hare Intl by bringing together all flight options from hundreds of airlines and agencies online — and we put them in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from O'Hare Intl with no change fees?

Certainly. Search results for flights from O'Hare Intl shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from O'Hare Intl become cheaper?

Of course! You can now track prices for flights from O'Hare Intl and get an alert from Cheapflights when they change. Click the bell icon next to the flight deals above and provide your email address to set up price alerts.

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