What are the cheapest airlines to fly from USA to Southampton one-way?

One-way options have recently been found by users for as low as $297 on Aer Lingus. Other airlines that offer cheap prices include KLM from $361 and Delta from $366 one-way.

What is the cheapest month to book a flight from USA to Southampton?

Currently, November is the cheapest month in which you can book a flight from USA to Southampton (average of $787). Flying from USA to Southampton in June is currently the most expensive (average of $1,308). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

In terms of precipitation, rainfall in Southampton ranges from 1.0 - 3.0 inches per month. December is typically the wettest month, when rainfall can reach 3.0 in. July is typically the driest time to visit Southampton when rainfall is around 1.0 in.

If weather is an important factor for your trip to Southampton, 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 64.4 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 39.2 F).

What are the most popular routes from USA to Southampton?

The most popular flight routes from USA to Southampton are San Francisco - Southampton Eastleigh, New York John F Kennedy Intl - Southampton Eastleigh and Los Angeles - Southampton Eastleigh.

What are the most popular airlines that fly from USA to Southampton?

Consider Delta, Aer Lingus or KLM when booking your flight. These represent the most popular airlines when flying from USA to Southampton.

How far in advance should I book a flight from USA to Southampton?

To save on the cost of your flight from USA to Southampton, book at least 31 days before your planned departure. Booking around this time can save you about 26% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $638 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $696.

What is the cheapest month to fly from USA to Southampton?

Flights from USA to Southampton lean towards being more expensive in June. Prices are generally better when you fly from USA to Southampton in January, with the cheapest ticket starting at $375.

What is the cheapest time of day to fly from US to SOU?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from USA to Southampton as you normally would.

What airport do you fly into for flights to Southampton from United States?

Most people fly into Southampton Eastleigh (SOU) if they book a flight to Southampton from United States. Eastleigh is conveniently located just 3.5 mi from Southampton’s city center.

Can I find deals for flights from USA to Southampton that include hotel bookings?

Yes. In addition to deals on USA to Southampton flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from USA to Southampton?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from USA to Southampton.

Can I find deals for business class flights from USA to Southampton?

Yes. Cheapflights offers flight deals from USA to Southampton by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$682+ Flights from the United States to Southampton

Round-trip from	$604 (Kiwi.com)
One-way from	$217 (Trip.com)
Popular in	June
Cheapest in	January
Average price	$630

Aer Lingus

Aer Lingus offers pre-clearance of US immigration in Dublin, saving time upon arrival.

Aer Lingus transatlantic flights include a complimentary hot meal and full bar service.

Read more about Aer Lingusby Evie Carrick

Delta

Delta One offers 180-degree flat-bed seats with duvets and lumbar pillows on long-haul routes.

Delta offers free Wi-Fi on most international long-haul routes for SkyMiles members.

KLM

KLM's Economy Comfort offers 4 extra inches of legroom on long-haul flights.

KLM's premium economy provides extra width, legroom, and an amenity kit on long-haul flights.

Virgin Atlantic

Virgin Atlantic's Upper Class offers lie-flat beds and a four-course meal on long-haul flights.

Virgin Atlantic's Economy Delight includes extra legroom, priority boarding, and a checked bag.

Read more about Virgin Atlanticby Blane Bachelor

British Airways

BA's World Traveller Plus offers extra seat width and legroom on long-haul flights.

BA's Club Suite offers solo pods with a door for privacy on select aircraft.

Read more about British Airwaysby Gabriel Leigh

Airline	Cheapest	Average	Flexibility	On-time
Aer Lingus	Cheapest$652	Average$1,099	FlexibilityNo cancel fee	On-timeN/A
KLM	Cheapest$656	Average$1,143	FlexibilityNo cancel fee	On-time75%
Delta	Cheapest$684	Average$982	FlexibilityNo cancel fee	On-timeN/A
Virgin Atlantic	Cheapest$817	Average$1,210	FlexibilityNo cancel fee	On-time72%

$217+ Cheap flights from the United States to Southampton (SOU)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/11. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheap flight deals from USA to Southampton

Keep the following information in mind while searching for USA to Southampton flight deals. Data was last updated July 3, 2025.

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Find flight deals from USA to Southampton

Cheapest flights from USA to SouthamptonExplore the most affordable flight options available from USA to Southampton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

Explore the most affordable flight options available from USA to Southampton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

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The best insider tips for theUnited States to Southampton flights

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Best time to book a flight from USA to Southampton

Have a flexible travel schedule? Discover the best time to fly to Southampton from USA with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from the United States to Southampton

What is the cheapest month to book a flight from USA to Southampton?

What is the cheapest time of day to fly from US to SOU?

Find hourly flight availability from USA to Southampton. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 3, 2025.

Reviews of airlines servicing Southampton

Peruse reviews from past customers who have flown with Delta, KLM, and Virgin Atlantic from the United States to Southampton to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from USA to Southampton. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly into for flights to Southampton from United States?

What are the cheapest airlines to fly from USA to Southampton one-way?

What are the most popular routes from USA to Southampton?

Can I find deals for flights from USA to Southampton that include hotel bookings?

How can I find direct flights from USA to Southampton?

Can I find deals for business class flights from USA to Southampton?

What is the cheapest month to book a flight from USA to Southampton?

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Alternative routes for USA to Southampton

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Top 4 airlines flying from USA to Southampton

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Cheapest flights from USA to Southampton
Explore the most affordable flight options available from USA to Southampton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.