The cheapest times to fly from SEN to ORD are

  • January 8th to February 18th
  • July 16th to September 23rd
  • November 19th to December 9th (except the week of November 26th)

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from SEN to ORD is late August to early September. Prices can be as high as $5581 for Saturday flights during mid March, or as low as $601 for Wednesday flights around late August to early September.


When to Fly to Chicago

Flying from Southend-On-Sea (SEN) to Chicago, IL (ORD) will usually cost between $604 to $5415 per person if booking more than four weeks in advance. On average the very cheapest time to fly is late August to early September with an average ticket price of $816. Due to high demand the most expensive time to fly is mid March, with an average price of $5498. Planning your trip to low-cost times can easily save you $4681 on economy flights and even more on first-class flights. Generally, any price below $1339 can be considered a good price for a round-trip SEN to ORD flight.

See below for a graph of average weekly prices for the SEN to ORD route. All prices are for round-trip tickets in USD.

SEN to ORD Flight Prices

Compared to other flights, the SEN to ORD flight is slightly more expensive than the average and costs about as much as the average flight leaving from London. The average price per mile (for a direct flight) is $0.21, which is below average.


Flight Prices by Day of the Week

Wednesday is usually the cheapest day to fly to ORD, and Monday the cheapest day to fly back into SEN. Saturdays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $872 (36%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Wednesday and returning a week later will cost an average of $1566. Return trip prices are from the ORD to SEN flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from SEN to ORD can generally find a 2-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 8 hour 9 minutes may not be realistic.


Flight Hacking SEN to ORD

Flight hacking is when you book two tickets instead of a layover, sometimes with different airlines. You will need to either bring only a carry-on bag (highly recommended) or leave yourself plenty of time to go through security again. Flight hacking is completely allowed, but airlines don’t always tell you the cheapest way to get from SEN to ORD — but Champion Traveler does!

Hack #1: Dublin (SEN > DUB > ORD)

  • Price for both tickets: $523
  • Average savings: $816 (60.96%)

See SEN to ABZ flights

Hack #2: Aberdeen (SEN > ABZ > ORD)

  • Price for both tickets: $555
  • Average savings: $784 (58.54%)

See SEN to DUB flights

Hack #3: Amsterdam (SEN > AMS > ORD)

  • Price for both tickets: $561
  • Average savings: $778 (58.09%)

See SEN to AMS flights


Flight Questions Answered

Still have questions about flying from SEN to ORD? We’ve got answers.

Which airlines fly this route?

You can find 9 major airlines flying this route most often: Aer Lingus, Air Canada, Air France, Delta, Kenya Airways, KLM, Loganair, Lufthansa, United, and potentially more during busy seasons.

How far away is it from Chicago O’Hare International Airport to Southend Airport?

The distance between the two airports is roughly 3982 miles or 6408 kilometers.

How long does it take to fly from SEN to ORD?

The real-world flight time for a nonstop SEN to ORD flight is about 8 hour 9 minutes.

How many flights go between Southend-On-Sea and Chicago, IL?

It depends on the day of the week and the date, but a typical day might have around 37 available flights from SEN to ORD.


Airport Location Info


Departing Airport

Origination code SEN
Origination airport name Southend Airport
City Southend-On-Sea
Country the United Kingdom
Latitude 51.6
Longitude 0.7

Return Airport

Destination code ORD
Destination airport name Chicago O’Hare International Airport
City Chicago, IL
Country the United States
Latitude 42
Longitude -87.9


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.