Cheap flights from Chicago O'Hare Intl Airport to London from $324
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 O'Hare Intl Airport to London departing on 8/15. 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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Aer Lingus flights from Chicago O'Hare Intl Airport to Southampton
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Delta flights from Chicago O'Hare Intl Airport to Southampton
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How to get the cheapest flight ticket from Chicago O'Hare Intl Airport 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 O'Hare Intl Airport 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 O'Hare Intl Airport 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 O'Hare Intl Airport 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 O'Hare Intl to Southampton Eastleigh?
Aer Lingus, Virgin Atlantic, and KLM are the most popular carriers operating from Chicago O'Hare Intl 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 O'Hare Intl Airport 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 O'Hare Intl Airport to Southampton
Cheap Chicago O'Hare Intl Airport to Southampton (ORD to SOU) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to Southampton
How far is Chicago O'Hare Intl to Southampton Eastleigh by plane?
Southampton Eastleigh is 3920.9 mi away from Chicago O'Hare Intl. Flights usually cover this in 10h 25m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Southampton Eastleigh Airport?
Prices for flights from Chicago O'Hare Intl Airport to Southampton Eastleigh Airport refresh daily.
How many operators does momondo search for flights from Chicago O'Hare Intl Airport to Southampton Eastleigh Airport?
The number of operators available for flights from Chicago O'Hare Intl Airport to Southampton Eastleigh Airport is 2 as of July 2025.
How old do you have to be to fly from Chicago O'Hare Intl Airport to Southampton Eastleigh Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago O'Hare Intl Airport 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 O'Hare Intl Airport to Southampton?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Chicago O'Hare Intl Airport to Southampton is Aer Lingus (72% of total bookings). The next most popular airline is KLM (28%).
Best airlines flying from Chicago O'Hare Intl Airport to Southampton
Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Southampton with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $653 | Free Cancellation | Rating 7.1 1,144 reviews | |||
| PriceFrom $750 | Free Cancellation | Rating 7.8 1,366 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. momondo allows you to filter the results for Chicago to Southampton flights to just show those with flexible booking policies.
How can momondo help me find flights from Chicago to Southampton?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Southampton from Chicago.
I’m not ready to book a flight from Chicago to Southampton right now. Can momondo alert me if prices change?
If you are not ready to book a flight from Chicago to Southampton now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Southampton and let you know when they change.