Washington (IAD) → Lisbon (LIS)
About Washington to Lisbon Flights
Discover the best flights from Washington to Lisbon, covering 5,766 km in approximately 7h 42m. Washington (IAD) to Lisbon (LIS) is one of the major long-haul routes connecting United States and Portugal. With 7 major airlines operating this route including direct flights, travelers have plenty of options to choose from. Whether you're traveling for business or leisure, our comprehensive guide helps you find the best deals, understand seasonal price variations, and choose the right airline for your journey from Washington to Lisbon.
12-Month Price History
Flight prices from Washington to Lisbon vary significantly throughout the year. February typically offers the best deals with average prices around $1093, while July sees the highest prices, averaging $1797. Savvy travelers can save up to 39% by choosing their travel dates wisely.
Best Time to Fly
Cheapest Month
February
Save up to 40% on average
Most Expensive
July
Peak season pricing
Book in Advance
156 days
For best prices
Booking Tips
For the best prices on Washington to Lisbon flights, we recommend booking 163 days in advance. International flights typically see price increases as the departure date approaches, so early booking is advisable. Tuesday and Wednesday departures often offer the lowest fares, while Friday and Sunday flights tend to be more expensive due to business and leisure travel demand. Consider flying early morning or late evening for additional savings, as these off-peak times usually have lower demand.
Airlines Serving This Route
| Airline | Economy | Business | First |
|---|---|---|---|
Portugália Airlines PGA | $1460 | $6430 | $8470 |
Portugália Airlines NI | $1560 | $5090 | $9690 |
United Airlines UA | $1590 | $6050 | $9990 |
TAP Air Portugal TP | $1690 | $5260 | $10120 |
American Airlines AA | $1730 | $6160 | $8180 |
Delta Air Lines DL | $1970 | $6560 | $10100 |
British Airways BA | $2080 | $6610 | $11650 |
Portugália Airlines
PGA
Economy
$1460
Business
$6430
First
$8470
Portugália Airlines
NI
Economy
$1560
Business
$5090
First
$9690
United Airlines
UA
Economy
$1590
Business
$6050
First
$9990
TAP Air Portugal
TP
Economy
$1690
Business
$5260
First
$10120
American Airlines
AA
Economy
$1730
Business
$6160
First
$8180
Delta Air Lines
DL
Economy
$1970
Business
$6560
First
$10100
British Airways
BA
Economy
$2080
Business
$6610
First
$11650
Prices shown are estimates based on historical data. Actual prices may vary based on dates, availability, and current promotions.
Alternative Flight Options
Washington → Lisbon
Ronald Reagan Washington National (DCA) to Lisbon (LIS)
Distance: 5,737 km
Average price: $1249
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Frequently Asked Questions
How long is the flight from Washington to Lisbon?
The flight time from Washington (IAD) to Lisbon (LIS) is approximately 7 hours and 42 minutes. This duration is for direct flights and may vary depending on aircraft type, weather conditions, and air traffic.
What is the distance between Washington and Lisbon?
The aerial distance between Washington and Lisbon is 5,766 kilometers (3,583 miles). This is the straight-line distance, which is used to calculate flight times.
Which airlines fly from Washington to Lisbon?
Several airlines operate flights between Washington and Lisbon, including United Airlines, TAP Air Portugal, Portugália Airlines and 4 more airlines. Direct flights are available on this route.
What is the cheapest month to fly from Washington to Lisbon?
Based on historical data, February typically offers the lowest airfares for flights from Washington to Lisbon. However, prices can vary based on holidays, events, and airline promotions. We recommend checking our price calendar for the most up-to-date information.
How far in advance should I book my flight to Lisbon?
For the best prices on Washington to Lisbon flights, we recommend booking 157 days in advance. International flights generally require earlier booking than domestic routes.
Do I need a visa to travel from Washington to Lisbon?
Visa requirements depend on your nationality and the purpose of your visit. Citizens of United States traveling to Portugal should check the latest visa requirements. Visit our partner site visarequirements.io for detailed visa information.
What is the time difference between Washington and Lisbon?
Washington operates on America/New_York time zone, while Lisbon is in the Europe/Lisbon time zone. For current time differences and to plan your schedule, visit our partner site timezig.com for accurate timezone conversions.