Cheap flights from Philadelphia to London from $430
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Philadelphia to London departing on 7/11. 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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Delta flights from Philadelphia to Southampton
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KLM flights from Philadelphia to Southampton
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How to get the cheapest flight ticket from Philadelphia 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 Philadelphia is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $928. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Philadelphia to Southampton for around $1,306.
What is the cheapest time of day to depart on your flight to Southampton?
Flying to Southampton from Philadelphia in the evening is the least expensive time of day to depart. momondo users have found prices as low as $871 when looking at flights departing in the evening. Flights to Southampton are more costly in the afternoon, with an average ticket price of $1,054. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.
What is the cheapest airline that flies from Philadelphia to Southampton Eastleigh?
Aer Lingus is the most popular carrier operating from Philadelphia to Southampton Eastleigh
What airlines fly to Southampton?
United Airlines, British Airways and Iberia are the top three most popular airlines that fly to Southampton from Philadelphia according to our data. United Airlines is the first choice among our users, with 37% of people opting to fly with this airline when traveling to Southampton. Keep in mind that there are 20 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 Philadelphia to Southampton
Cheap Philadelphia to Southampton (PHL to SOU) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Philadelphia to Southampton
How far is Philadelphia to Southampton Eastleigh by plane?
Southampton Eastleigh is 3499.1 mi away from Philadelphia. A reasonable flight in good conditions will take 10h 15m.
When did momondo last update prices for flights from Philadelphia Airport to Southampton Eastleigh Airport?
Prices for flights from Philadelphia Airport to Southampton Eastleigh Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Philadelphia Airport to Southampton Eastleigh Airport?
The number of operators available for flights from Philadelphia Airport to Southampton Eastleigh Airport is 2 as of June 2025.
How old do you have to be to fly from Philadelphia Airport to Southampton Eastleigh Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Philadelphia 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 Philadelphia to Southampton?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Philadelphia to Southampton is Aer Lingus (71% of total bookings). The next most popular airline is British Airways (29%).
Best airlines flying from Philadelphia to Southampton
Compare and see reviews for airlines that fly from Philadelphia to Southampton with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $739 | Free Cancellation | Rating 6.6 7,008 reviews | |||
| PriceFrom $792 | Free Cancellation | Rating 7.1 1,117 reviews |
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Why should I use momondo to find a flight deal from Philadelphia to Southampton?
It is quick and easy to find Philadelphia to Southampton flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Southampton that suits you.
Can I find flights from Philadelphia to Southampton with flexible booking policies on momondo?
Yes. All flights to Southampton from Philadelphia on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from Philadelphia 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 Philadelphia.
I’m not ready to book a flight from Philadelphia to Southampton right now. Can momondo alert me if prices change?
If you are not ready to book a flight from Philadelphia 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.