There are 3 ways to get from Washington to Cascais by plane, subway, or train
Select an option below to see step-by-step directions and to compare ticket prices and travel times in Rome2Rio's travel planner.
Fly from Ronald Reagan Washington National Airport
best- Fly from Ronald Reagan Washington National Airport (DCA) to Lisbon-Portela Airport (LIS)plane DCA - LIS
10h 45m€853–1,661Subway to Washington Dulles International Airport, fly
cheapest- Take the subway from Farragut West, Blue/Orange/Silver Line Track 2 Platform to Washington Dulles International Airport, Silver Line Center Platformsubway
- Fly from Washington Dulles International Airport (IAD) to Lisbon-Portela Airport (LIS)plane IAD - LIS
11h 12m€336–773Train to Baltimore-Washington International Airport, fly
- Take the train from Washington Union Station to BWI Thurgood Marshalltrain
- Fly from Baltimore-Washington International Airport (BWI) to Lisbon-Portela Airport (LIS)plane BWI - LIS
13h 9m€356–1,696
Ronald Reagan Washington National Airport (DCA) to Lisbon-Portela Airport (LIS) flights
Questions & Answers
The cheapest way to get from Washington to Cascais is to subway and fly which costs €330 - €800 and takes 11h 12m.
The fastest way to get from Washington to Cascais is to fly which takes 10h 45m and costs €850 - €1700.
The distance between Washington and Cascais is 5776 km.
It takes approximately 10h 45m to get from Washington to Cascais, including transfers.
Cascais is 5h ahead of Washington. It is currently 11:19 AM in Washington and 4:19 PM in Cascais.
There are 7332+ hotels available in Cascais.
What companies run services between Washington, DC, USA and Cascais, Portugal?
United Airlines, JetBlue Airways, and four other airlines fly from Ronald Reagan Washington National Airport (DCA) to Lisbon-Portela Airport (LIS) every 4 hours.
- Website
- jetblue.com
Flights from Ronald Reagan Washington National Airport to Lisbon-Portela Airport via Boston
- Ave. Duration
- 10h 2m
- When
- Every day
- Estimated price
- €410–1,700
Flights from Washington Dulles International Airport to Lisbon-Portela Airport
- Ave. Duration
- 7h 22m
- When
- Every day
- Estimated price
- €260–1,100
Flights from Baltimore-Washington International Airport to Lisbon-Portela Airport via Boston
- Ave. Duration
- 9h 27m
- When
- Tuesday, Wednesday, and Sunday
- Estimated price
- €310–1,300
Subway from Farragut West, Blue/Orange/Silver Line Track 2 Platform to Washington Dulles International Airport, Silver Line Center Platform
- Ave. Duration
- 47 min
- Frequency
- Every 15 minutes
- Estimated price
- €2–3
- Website
- Washington Metropolitan Area Transit Authority
- standard fare after 9:30 p.m
- €2–3
Want to know more about travelling around Portugal
Rome2Rio's Travel Guide series provide vital information for the global traveller. Filled with useful and timely travel information, the guides answer all the hard questions - such as 'How do I buy a ticket?', 'Should I book online before I travel? ', 'How much should I expect to pay?', 'Do the trains and buses have Wifi?' - to help you get the most out of your next trip.
Related travel guides
Why you should take the train in the US
Read the travel guide





