In terms of precipitation, rainfall in Chicago O'Hare Intl Airport ranges from 43.0 - 125.0 inches per month. August is typically the wettest month, when rainfall can reach 125.0 mm. January is typically the driest time to visit Chicago O'Hare Intl Airport when rainfall is around 43.0 mm.

If weather is an important factor for your trip to Chicago O'Hare Intl Airport, 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 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -5.0 C).

What is the cheapest time of day to fly from SEN to ORD?

When flying from London Southend Airport to Chicago O'Hare Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Can I find deals for flights from Southend to O'Hare Intl that include hotel bookings?

Yes. In addition to deals on Southend to O'Hare Intl flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Southend to O'Hare Intl?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Southend to O'Hare Intl.

Can I find deals for business class flights from Southend to O'Hare Intl?

Yes. Cheapflights offers flight deals from Southend to O'Hare Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£359+ Cheap Flights from London Southend Airport to Chicago O'Hare Intl Airport

Cheap flight deals from Southend to O'Hare Intl

Enter your travel dates to find the best prices.

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Best

One-way

Cheapest flights from Southend to O'Hare Intl
Explore the most affordable flight options available from Southend to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 September 2026.

Thu 24/1217:20 -

2 stops28h 10m

Sun 3/118:25 -

1 stop14h 10m

Deal found 26/9£663

Wed 16/1207:10 -

1 stop15h 05m

Sun 27/1212:50 -

2 stops19h 45m

Deal found 26/9£700

Sat 19/1214:15 -

2 stops31h 15m

Tue 29/1207:05 -

2 stops25h 30m

Deal found 25/9£775

Sat 19/1207:15 -

2 stops16h 05m

Sun 3/118:30 -

2 stops17h 15m

Deal found 26/9£855

Sat 7/1107:15 -

1 stop13h 10m

Sat 14/1118:25 -

2 stops21h 40m

Deal found 24/9£912

Wed 23/1207:10 -

1 stop15h 25m

Sun 3/118:25 -

1 stop14h 10m

Deal found 24/9£933

Thu 31/1215:40 -

2 stops34h 15m

Sun 3/118:30 -

2 stops14h 05m

Deal found 24/9£997

Find flight deals from Southend to O'Hare Intl

Round-trip from	£663
One-way from	£359
Popular in	August
Cheapest in	February
Average price	£627

24/12-3/1
3 total stops
42h 20m total
London to Chicago

Search Deals

3/11-31/12
3 total stops
29h 40m total
London to Chicago

Search Deals

Highest demand for flights based on searches. 12% potential increase in price (£65 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£10 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2026

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Cheapflights Fare Finder

Use the filters below to find and compare flights from London Southend Airport to Chicago O'Hare Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonChicago

SEN London Southend - ORD Chicago O'Hare Intl

SENORD

London Southend

Sun 6/12

17:15-18:20

3 stops31h 05m

Chicago O'Hare Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£362

LondonChicago

SEN London Southend - ORD Chicago O'Hare Intl

SENORD

London Southend

Wed 2/12

17:20-18:20

2 stops31h 00m

Chicago O'Hare Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£365

LondonChicago

SEN London Southend - ORD Chicago O'Hare Intl

SENORD

London Southend

Tue 3/11

15:50-15:30

3 stops29h 40m

Chicago O'Hare Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£370

LondonChicago

SEN London Southend - ORD Chicago O'Hare Intl

SENORD

London Southend

Mon 30/11

11:35-17:20

3 stops35h 45m

Chicago O'Hare Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£375

LondonChicago

SEN London Southend - ORD Chicago O'Hare Intl

SENORD

London Southend

Tue 10/11

15:50-18:20

2 stops32h 30m

Chicago O'Hare Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£396

LondonChicago

SEN London Southend - ORD Chicago O'Hare Intl

SENORD

London Southend

Wed 28/10

17:20-16:30

3 stops52h 10m

Chicago O'Hare Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£417

LondonChicago

SEN London Southend - ORD Chicago O'Hare Intl

SENORD

London Southend

Thu 29/10

07:15-16:30

3 stops38h 15m

Chicago O'Hare Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£418

LondonChicago

SEN London Southend - ORD Chicago O'Hare Intl

SENORD

London Southend

Sat 14/11

06:50-15:30

2 stops38h 40m

Chicago O'Hare Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£458

LondonChicago

SEN London Southend - ORD Chicago O'Hare Intl

SENORD

London Southend

Wed 7/10

08:25-12:40

3 stops34h 15m

Chicago O'Hare Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£458

Fastest return journey

LondonChicago

SEN London Southend - ORD Chicago O'Hare Intl

SENORD

London Southend

Wed 6/1

07:10-17:20

2 stops16h 10m

Chicago O'Hare Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£473

Flights are sorted by cheapest return flights first.

Deals found on 25/9

Showing 1-10 of 17 resultsSorted by cheapest first

Best time to book a flight from Southend to O'Hare Intl

Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from Southend with our price prediction graph.

SEN-ORD

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.

Related info for your journey

Can I find deals for flights from Southend to O'Hare Intl that include hotel bookings?
Yes. In addition to deals on Southend to O'Hare Intl flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Southend to O'Hare Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Southend to O'Hare Intl.
Can I find deals for business class flights from Southend to O'Hare Intl?
Yes. Cheapflights offers flight deals from Southend to O'Hare Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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London City to Midway flights

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Cheap flights from London Southend Airport to Chicago O'Hare Intl Airport from £359

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Southend to O'Hare Intl

Cheapest flights from Southend to O'Hare IntlExplore the most affordable flight options available from Southend to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 September 2026.

Explore the most affordable flight options available from Southend to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 September 2026.

Best flights from Southend to O'Hare IntlDiscover carefully curated flight deals from Southend to O'Hare Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 27 September 2026.

Discover carefully curated flight deals from Southend to O'Hare Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 27 September 2026.

One-way flights from Southend to O'Hare IntlSearch for one-way flight options from Southend to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated 27 September 2026.

Search for one-way flight options from Southend to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated 27 September 2026.

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Use the filters below to find and compare flights from London Southend Airport to Chicago O'Hare Intl Airport that are best for you.

Best time to book a flight from Southend to O'Hare Intl

Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from Southend with our price prediction graph.

Related info for your journey

Can I find deals for flights from Southend to O'Hare Intl that include hotel bookings?

How can I find direct flights from Southend to O'Hare Intl?

Can I find deals for business class flights from Southend to O'Hare Intl?

Travelling to a place near Chicago O'Hare Intl Airport?

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Alternative routes for Southend to O'Hare Intl

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to O'Hare Intl by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to Illinois

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Search flights from Southend to O'Hare Intl by cabin class

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Other flights to O'Hare Intl

Explore flights to O'Hare Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 27 September 2026.

Southend and O'Hare Intl flights

Browse other Southend and O'Hare Intl flight options. Last updated on 27 September 2026.

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

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

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

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Cheapest flights from Southend to O'Hare Intl
Explore the most affordable flight options available from Southend to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 September 2026.

Best flights from Southend to O'Hare Intl
Discover carefully curated flight deals from Southend to O'Hare Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 27 September 2026.

One-way flights from Southend to O'Hare Intl
Search for one-way flight options from Southend to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated 27 September 2026.