Cheap flights from Chicago to London from $494
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago to London departing on 8/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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KLM flights from Chicago to Southampton
Our best KLM deals on Chicago to Southampton flight tickets
Delta flights from Chicago to Southampton
Our best Delta deals on Chicago to Southampton flight tickets
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How to get the cheapest flight ticket from Chicago to Southampton
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest day to depart on your flight to Southampton?
On average, the least expensive day to fly to Southampton from Chicago is on a Sunday. momondo users have found tickets for Sunday departures for as low as $803. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Chicago to Southampton for around $1,258.
What is the cheapest time of day to depart on your flight to Southampton?
Flying to Southampton from Chicago in the evening is the least expensive time of day to depart. momondo users have found prices as low as $768 when looking at flights departing in the evening. Flights to Southampton are more costly in the morning, with an average ticket price of $1,075. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.
What is the cheapest airline that flies from Chicago to Southampton Eastleigh?
Delta, Aer Lingus, and Virgin Atlantic are the most popular carriers operating from Chicago to Southampton Eastleigh
What airlines fly to Southampton?
British Airways, Iberia and American Airlines are the top three most popular airlines that fly to Southampton from Chicago according to our data. British Airways is the first choice among our users, with 46% of people opting to fly with this airline when traveling to Southampton. Keep in mind that there are 17 different airlines that fly to Southampton on a routine basis, so you have a few additional options to choose from.
When to book flights from Chicago to Southampton
Cheap Chicago to Southampton (CHI to SOU) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Chicago to Southampton
How far is Chicago to Southampton Eastleigh by plane?
Chicago and Southampton Eastleigh are 3914.9 mi apart from one another. 9h 55m is a normal flight duration for this route.
When did momondo last update prices for flights from Chicago to Southampton Eastleigh Airport?
Prices for flights from Chicago to Southampton Eastleigh Airport were last updated today.
How many operators does momondo search for flights from Chicago to Southampton Eastleigh Airport?
As of June 2025, there are 2 operators available to choose from for flights from Chicago to Southampton Eastleigh Airport.
How old do you have to be to fly from Chicago to Southampton Eastleigh Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Chicago to Southampton Eastleigh Airport.
What documentation or ID do you need to fly to Southampton Eastleigh Airport?
The travel and health documents required for your trip to Southampton Eastleigh Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Southampton Eastleigh Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from Chicago to Southampton?
Based on momondo bookings for flights between Chicago and Southampton, the leading airline is KLM, making up 52% of the total bookings. Other popular airlines include Aer Lingus with 48%.
Best airlines flying from Chicago to Southampton
Compare and see reviews for airlines that fly from Chicago to Southampton with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $653 | Free Cancellation | Rating 7.1 1,120 reviews | |||
| PriceFrom $750 | Free Cancellation | Rating 7.8 1,363 reviews |
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Why should I use momondo to find a flight deal from Chicago to Southampton?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Chicago to Southampton. momondo saves you time and could save you money on your trip.
Can I find flights from Chicago to Southampton with flexible booking policies on momondo?
Yes. All flights to Southampton from Chicago on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from Chicago to Southampton?
Once all potential Chicago to Southampton flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from Chicago to Southampton right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of Chicago to Southampton flights. All you need is a valid email address and we will do the rest; it is that quick and easy.