Cheap flights from Porto to Washington, D.C. from $430
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Porto to Washington, D.C. departing on 7/8. 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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How to get the cheapest flight ticket from Porto 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 typical price of a round-trip flight between Porto and Washington, D.C.?
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 Porto is on a Thursday. momondo users have found tickets for Thursday departures for as low as $616. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Porto to Washington, D.C. for around $1,018.
What is the cheapest time of day to depart on your flight to Washington, D.C.?
In the morning is the cheapest time of day to fly from Porto to Washington, D.C. when you can find flight prices for as low as $735. Flying to Washington, D.C. in the morning is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the afternoon because they tend to be around $1,068. Of course, these prices can vary depending on the time of year and what airport you fly to.
When to book flights from Porto to Washington, D.C.
Cheap Porto to Washington, D.C. (OPO to WAS) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Porto to Washington, D.C.
Best Price Found | $430 |
|---|---|
Fastest flight time | 10h 28m |
Direct flights | None |
Airports in Washington, D.C. | 3 airports |
How far is Porto to Washington, D.C. by plane?
Porto and Washington, D.C. are 3523.1 mi apart from one another. 10h 52m is a normal flight duration for this route.
When did momondo last update prices for flights from Porto Airport to Washington, D.C.?
Prices for flights from Porto Airport to Washington, D.C. refresh daily.
How many operators does momondo search for flights from Porto Airport to Washington, D.C.?
The number of operators available for flights from Porto Airport to Washington, D.C. is 1 as of June 2025.
How old do you have to be to fly from Porto Airport 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 Porto Airport to Washington, D.C..
What documentation or ID do you need to fly to Washington, D.C.?
The necessary travel and health documents for your Washington, D.C. trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Porto to Washington, D.C.?
momondo data reveals that the most frequently booked airline on the route from Porto to Washington, D.C. is Lufthansa, representing 55% of all bookings. The subsequent popular airline is KLM at 45%.
Best airlines flying from Porto to Washington, D.C.
Compare and see reviews for airlines that fly from Porto to Washington, D.C. with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $480 | Free Cancellation | Rating 7.1 1,885 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 Porto to Washington, D.C.?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Porto to Washington, D.C.. Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from Porto to Washington, D.C. with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to Washington, D.C. from Porto with this policy.
How can momondo help me find flights from Porto to Washington, D.C.?
Once all potential Porto 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 Porto to Washington, D.C. right now. Can momondo alert me if prices change?
If you are not ready to book a flight from Porto to Washington, D.C. now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Washington, D.C. and let you know when they change.