Cheap flights from Porto to Washington, D.C. Dulles Intl Airport from $320
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. Dulles Intl Airport departing on 5/14. 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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American Airlines flights from Porto to Washington, D.C. Dulles Intl Airport
Our best American Airlines deals on Porto to Washington, D.C. Dulles Intl Airport flight tickets
KLM flights from Porto to Washington, D.C. Dulles Intl Airport
Our best KLM deals on Porto to Washington, D.C. Dulles Intl Airport flight tickets
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How to get the cheapest flight ticket from Porto to Washington, D.C. Dulles Intl Airport
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 day to depart on your flight to Washington, D.C. Dulles Intl Airport?
Our data shows that Monday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $581. When flying out on a Wednesday, the most expensive travel day of the week, you can expect to see flight prices from Porto to Washington, D.C. Dulles Intl Airport for around $942.
What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?
Flying to Washington, D.C. Dulles Intl Airport from Porto in the morning is the least expensive time of day to depart. momondo users have found prices as low as $704 when looking at flights departing in the morning. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $704 on average. Flights to Washington, D.C. Dulles Intl Airport from Porto in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.
When to book flights from Porto to Washington, D.C. Dulles Intl Airport
Cheap Porto to Washington, D.C. Dulles Intl Airport (OPO to IAD) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Porto to Washington, D.C. Dulles Intl Airport
How far is Porto to Washington, D.C. Dulles Intl by plane?
There are 3541.8 mi between Porto and Washington, D.C. Dulles Intl. A reasonable flight in good conditions will take 11h 20m.
When did momondo last update prices for flights from Porto Airport to Washington, D.C. Dulles Intl Airport?
Prices for flights from Porto Airport to Washington, D.C. Dulles Intl Airport are updated daily.
How many operators does momondo search for flights from Porto Airport to Washington, D.C. Dulles Intl Airport?
There is 1 operator available for flights from Porto Airport to Washington, D.C. Dulles Intl Airport as of April 2025.
How old do you have to be to fly from Porto Airport to Washington, D.C. Dulles Intl Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Porto Airport to Washington, D.C. Dulles Intl Airport.
What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?
The necessary travel and health documents for your Washington, D.C. Dulles Intl Airport 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. Dulles Intl Airport?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Porto to Washington, D.C. Dulles Intl Airport is TAP AIR PORTUGAL (100% of total bookings).
Best airlines flying from Porto to Washington, D.C. Dulles Intl Airport
Compare and see reviews for airlines that fly from Porto to Washington, D.C. Dulles Intl Airport with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $480 | Free Cancellation | Rating 7.1 1,831 reviews |
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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?
All flight searches from Porto to Washington, D.C. on momondo can be filtered to show those which offer flexible booking policies.
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?
Of course. momondo tracks the price of Porto to Washington, D.C. flights. All you need is a valid email address and we will do the rest; it is that quick and easy.