Cheap flights from Portsmouth to Washington, D.C. Reagan-National Airport from £821
This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 28/7. Fares are subject to change and may not be available on all flights or dates of travel.
Cheap flight deals from Portsmouth to Reagan-National
Keep the following information in mind while searching for Portsmouth to Reagan-National flight deals. Data was last updated 13 June 2025.
Find flight deals from Portsmouth to Reagan-National
Cheapest flights from Portsmouth to Reagan-NationalExplore the most affordable flight options available from Portsmouth to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 June 2025.
Explore the most affordable flight options available from Portsmouth to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 June 2025.
Cheapflights Fare Finder
Customise your flight search to find flights from Portsmouth to Reagan-National that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 13 June 2025.
Use the filters below to find and compare flights from Portsmouth to Washington, D.C. Reagan-National Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
SouthamptonWashington, D.C.
SOU - DCA
SOUDCA
Southampton Eastleigh
Mon 28/7
09:20-23:35
2 stops19h 15m
Washington, D.C. Reagan-National
Mon 4/8
19:35-17:50
2 stops17h 15m
SouthamptonWashington, D.C.
SOU - DCA
SOUDCA
Southampton Eastleigh
Mon 28/7
20:00-22:27
3 stops31h 27m
Washington, D.C. Reagan-National
Mon 4/8
06:00-19:30
2 stops32h 30m
Best time to book a flight from Portsmouth to Reagan-National
Have a flexible travel schedule? Discover the best time to fly to Reagan-National from Portsmouth with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Portsmouth to Washington, D.C. Reagan-National Airport
What is the cheapest month to book a flight from Portsmouth to Washington, D.C. Reagan-National Airport?
Currently, February is the cheapest month in which you can book a flight from Portsmouth to Washington, D.C. Reagan-National Airport (average of £625). Flying from Portsmouth to Washington, D.C. Reagan-National Airport in July is currently the most expensive (average of £934). 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.
What is the cheapest time of day to fly from P0R to DCA?
Find hourly flight availability from Portsmouth to Reagan-National. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 13 June 2025.
When flying from Portsmouth to Washington, D.C. Reagan-National Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Rainfall in Reagan-National by month
Plan your trip to Reagan-National by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Washington, D.C. Reagan-National Airport 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. Reagan-National Airport when rainfall is around 66.0 mm.
Temperature in Reagan-National by month
Plan your trip to Reagan-National by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Washington, D.C. Reagan-National Airport, 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).
Reviews of airlines servicing Reagan-National
Get insights into the airlines that provide service to Reagan-National. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Reagan-National. Reviews last updated 13 June 2025.
Entertainment
Boarding
Comfort
Food
Overall
Crew
Reviews
Kim,May 2025
PIH - SLC
Entertainment
Boarding
Comfort
Food
Overall
Crew
Reviews
Kim,May 2025
PIH - SLC
Related info for your journey
Find useful and relevant information for your journey from Portsmouth to Reagan-National. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Portsmouth to Reagan-National
See prices for flight routes from nearby airports that may be better suited for you.
Top 9 airlines flying from Portsmouth to Reagan-National
Discover the top 9 airlines that operate flights from Portsmouth to Reagan-National. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 13 June 2025.
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