Cheap flights from Portugal to Washington, D.C. from $390
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portugal to Washington, D.C. departing on 9/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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British Airways flights from Portugal to Washington, D.C.
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American Airlines flights from Portugal to Washington, D.C.
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See travel insights to Washington, D.C. from
How to get the cheapest flight ticket from Portugal to Washington, D.C.
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Washington, D.C.?
The month of September is, on average, the cheapest month to fly to Washington, D.C. from Portugal, with most prices found around $541. If you’re not able to fly to Washington, D.C. in September, then February is your next best option. Flight prices from Portugal to Washington, D.C. during February average around $558.
What is the cheapest day to depart on your flight to Washington, D.C.?
On average, the least expensive day to fly to Washington, D.C. from Portugal is on a Thursday. momondo users have found tickets for Thursday departures for as low as $732. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Portugal to Washington, D.C. for around $881.
What is the cheapest time of day to depart on your flight to Washington, D.C.?
At noon is the cheapest time of day to fly from Portugal to Washington, D.C. when you can find flight prices for as low as $484. Flying to Washington, D.C. at noon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the morning because they tend to be around $788. Of course, these prices can vary depending on the time of year and what airport you fly to.
What is the cheapest Portugal to Washington, D.C. flight route?
Fly from Lisbon Humberto Delgado to Washington, D.C. Dulles Intl for the best Portugal - Washington, D.C. flight prices
What cabin class options are available on Portugal to Washington, D.C. flights?
There are 3 cabin classes available to choose from on Portugal to Washington, D.C. flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
Can stopping save me money on Portugal to Washington, D.C. flights?
You could potentially save up to 18% on your flight if you consider stops on a Portugal to Washington, D.C. flight.
How many flights depart from Portugal to Washington, D.C. on average per day?
6 flights are operational daily from Portugal to Washington, D.C. as of June 2025. The most popular departure time for this route is 12:00PM, with 100% of flights per day taking off in the afternoon.
How many flights depart from Portugal to Washington, D.C. on average per week?
The number of flights available between Portugal and Washington, D.C. is 42 per week as of June 2025. The most frequent departure day is Mon, with 17% of weekly flights leaving on this day.
Cheap Portugal to Washington, D.C. flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Portugal to Washington, D.C.
Best Price Found | $390 |
|---|---|
Fastest flight time | 8h 15m |
Direct flights | Every day |
Airports in Washington, D.C. | 3 airports |
When did momondo last update prices for flights from Portugal to Washington, D.C.?
Prices for flights from Portugal to Washington, D.C. are refreshed on a daily basis.
How many operators does momondo search for flights from Portugal to Washington, D.C.?
As of June 2025, there are 2 operators available to choose from for flights from Portugal to Washington, D.C..
How old do you have to be to fly from Portugal to Washington, D.C.?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Portugal to Washington, D.C..
What documentation or ID do you need to fly to Washington, D.C.?
The travel and health documents you'll need for your trip to Washington, D.C. may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington, D.C.. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Portugal to Washington, D.C.?
Based on momondo bookings for flights between Portugal and Washington, D.C., the leading plane model is Boeing 767-400, making up 40.58% of the total bookings. Other popular models include Airbus A321neo with 26.94%, Airbus A321-100/200 with 12.60%, and Boeing 767-300 with 7.17%.
Best airlines flying from Portugal to Washington, D.C.
Compare and see reviews for airlines that fly from Portugal to Washington, D.C. with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $480 | Free Cancellation | Rating 7.1 1,885 reviews | |||
| PriceFrom $534 | Free Cancellation | Rating 7.4 8,790 reviews |
Traveling to a place near Washington, D.C.?
Book flights to Washington, D.C. if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Portugal to Washington, D.C.?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Portugal to Washington, D.C. for you.
Can I find flights from Portugal to Washington, D.C. with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for Portugal to Washington, D.C. flights to just show those with flexible booking policies.
How can momondo help me find flights from Portugal to Washington, D.C.?
Once all potential Portugal to Washington, D.C. flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from Portugal to Washington, D.C. right now. Can momondo alert me if prices change?
Yes. momondo can track prices for Portugal to Washington, D.C. flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.