Cheap Flights from Lisbon to Washington, D.C.
No deal from Lisbon to Washington, D.C. has cleared our price bar yet. What we have seen on the route is below.
Across 4 months of observations from Lisbon to Washington, D.C., the lowest round-trip fare we recorded was $589, in August. The typical fare was $636. August was the cheapest month we saw and October the dearest.
The most recent price we saw on this route was $662 on Royal Air Maroc, seen Oct 15. It is an unverified observation and may have changed.
See every deal <a href="/from/lisbon">from Lisbon</a>, <a href="/to/washington-dc">to Washington, D.C.</a>, or the return direction <a href="/from/washington-dc/to/lisbon">Washington, D.C. to Lisbon</a>.
Latest price we saw: Lisbon to Washington, D.C.
The most recent round-trip fare our sweep found on this route. It is not verified and may have changed since the date shown.
| From | Price | Per mile | Travel dates | Airline | Seen | Check price |
|---|---|---|---|---|---|---|
| Lisbon (LIS) to Washington, D.C. (IAD) | $662 | 9.2¢ | Jan 18 – Jan 25 | Royal Air Maroc | Oct 15 | Check price |
Price history: Lisbon to Washington, D.C.
What we observed by month, from our signals database. Unverified observations, not bookable prices.
| Month | Low | Typical | Sightings |
|---|---|---|---|
| Oct 2026 | $660 | $661 | 3 |
| Sep 2026 | $591 | $649 | 2 |
| Aug 2026 | $589 | $604 | 6 |
| Jul 2026 | $630 | $630 | 1 |
Frequently asked questions
How many flight deals from Lisbon to Washington, D.C. are on Sparkflights right now?
There are 0 verified deals from Lisbon to Washington, D.C. on the board right now. The list refreshes hourly.
What is the lowest price ever seen from Lisbon to Washington, D.C.?
The lowest fare we've recorded from Lisbon to Washington, D.C. is $589, based on 12 price observations over 4 months.
How much does a flight from Lisbon to Washington, D.C. cost?
The typical round-trip fare we observed from Lisbon to Washington, D.C. is $636, against a recorded low of $589. These are observations, not quotes.
When is the cheapest month to fly Lisbon to Washington, D.C.?
August was the cheapest month we observed from Lisbon to Washington, D.C. and October the dearest, over 4 months of data.
What is the current price from Lisbon to Washington, D.C.?
The most recent fare our sweep saw from Lisbon to Washington, D.C. is $662, on Oct 15. It is an unverified observation rather than a verified deal, so check it before booking.