Question 1

What are the cheapest airlines flying from Southampton to Washington, D.C. round-trip?

Accepted Answer

Our cheapest airline available from Southampton to Washington, D.C. is Aer Lingus. Our recent data shows that you can find tickets from as low as £706 on this airline. An additional option worth looking into is KLM, starting at £779.

Question 2

What is the cheapest month to book a flight from Southampton to Washington, D.C.?

Accepted Answer

Currently, January is the cheapest month in which you can book a flight from Southampton to Washington, D.C. (average of £599). Flying from Southampton to Washington, D.C. in July is currently the most expensive (average of £947). 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.

Question 3

What is the cheapest day to fly from Southampton to Washington, D.C.?

Accepted Answer

Travellers seeking maximum savings on their Southampton to Washington, D.C. flight should consider departing on Tuesday mornings when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Question 4

E

Accepted Answer

In terms of precipitation, rainfall in Washington, D.C. ranges from 66.0 - 102.0 inches per month. May is typically the wettest month, when rainfall can reach 102.0 mm. February is typically the driest time to visit Washington, D.C. when rainfall is around 66.0 mm.

Question 5

E

Accepted Answer

If weather is an important factor for your trip to Washington, D.C., 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 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 2.0 C).

Question 6

What are the most popular routes from Southampton to Washington, D.C.?

Accepted Answer

The most popular route from Southampton to Washington, D.C. is Southampton Eastleigh - Washington, D.C. Dulles Intl. You may also consider Southampton Eastleigh - Baltimore/Washington or Southampton Eastleigh - Washington, D.C. Reagan-National.

Question 7

What is the cheapest day to fly round-trip from Southampton to Washington, D.C.?

Accepted Answer

Flights from Southampton to Washington, D.C. are found to be more expensive on Thursday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Washington, D.C..

Question 8

How far in advance should I book a flight from Southampton to Washington, D.C.?

Accepted Answer

Travelers have found it’s best to book a flight 50 days in advance to save up to 30% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 50 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Southampton to Washington, D.C. 1-2 weeks in advance for as low as £549, or £761 for flights within the next 24 hours.

Question 9

What is the cheapest month to fly from Southampton to Washington, D.C.?

Accepted Answer

February can be a great time to fly to Washington, D.C. from Southampton with a flight ticket averaging about £545. Cheapflights users have found deals in the month of February for as cheap as £224. The most expensive prices can be found in the month of July.

Question 10

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

Accepted Answer

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

Question 11

What airport do you fly from for flights from Southampton to Washington, D.C.?

Accepted Answer

Southampton Eastleigh (SOU) is the airport you will fly out of if you book a flight from Southampton to Washington, D.C.. You should not have trouble finding flights to Washington, D.C. from Eastleigh; the airport handles an average of 0 outbound flights to Washington, D.C. per day. You should also have plenty of airline options to choose from since 0 airlines have flights from the Southampton airport to Washington, D.C.. It is only a 3.5 mi journey to Eastleigh (SOU) from Southampton’s city center.

Question 12

Can I find deals for flights from Southampton to Washington, D.C. that include hotel bookings?

Accepted Answer

Yes. In addition to deals on Southampton to Washington, D.C. flights, Cheapflights offers holiday packages that include both flights and hotel.

Question 13

How can I find direct flights from Southampton to Washington, D.C.?

Accepted Answer

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

Question 14

Can I find deals for business class flights from Southampton to Washington, D.C.?

Accepted Answer

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

Question 15

How does Cheapflights help users find flights from Southampton to Washington, D.C.?

Accepted Answer

Deals for Southampton to Washington, D.C. flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Question 16

Why should you use Cheapflights to find cheap flight tickets from Southampton to Washington, D.C.?

Accepted Answer

Cheapflights helps you find that perfect flight to Washington, D.C. from Southampton by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Question 17

Can Cheapflights find flights from Southampton to Washington, D.C. with no change fees?

Accepted Answer

Yes, we can. To see specific flights from Southampton to Washington, D.C. with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Question 18

Can Cheapflights notify me if prices for flights from Southampton to Washington, D.C. become cheaper?

Accepted Answer

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

Round-trip from	£689
One-way from	£348
Popular in	July
Cheapest in	February
Average price	£656

Cheap flights from Southampton to Washington, D.C. from £348

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 24/8. Fares are subject to change and may not be available on all flights or dates of travel.

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Find flight deals from Southampton to Washington, D.C.

Cheapest flights from Southampton to Washington, D.C.Explore the most affordable flight options available from Southampton to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 8 July 2025.

Explore the most affordable flight options available from Southampton to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 8 July 2025.

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Best time to book a flight from Southampton to Washington, D.C.

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What is the cheapest month to book a flight from Southampton to Washington, D.C.?

Reviews of airlines servicing Washington, D.C.

Read reviews from past customers who have flown with Delta, KLM, andAer Lingus from Southampton to Washington, D.C.. Users can see the overall rating for each airline as well as how each is rated 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 Southampton to Washington, D.C.. 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 from for flights from Southampton to Washington, D.C.?

What are the cheapest airlines flying from Southampton to Washington, D.C. round-trip?

What are the most popular routes from Southampton to Washington, D.C.?

Can I find deals for flights from Southampton to Washington, D.C. that include hotel bookings?

How can I find direct flights from Southampton to Washington, D.C.?

Can I find deals for business class flights from Southampton to Washington, D.C.?

What is the cheapest month to book a flight from Southampton to Washington, D.C.?

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How does Cheapflights help users find flights from Southampton to Washington, D.C.?

Why should you use Cheapflights to find cheap flight tickets from Southampton to Washington, D.C.?

Can Cheapflights find flights from Southampton to Washington, D.C. with no change fees?

Can Cheapflights notify me if prices for flights from Southampton to Washington, D.C. become cheaper?

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Cheapest flights from Southampton to Washington, D.C.
Explore the most affordable flight options available from Southampton to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 8 July 2025.