Cheap flights from Washington (WAS) to Porto (OPO)

The best prices from Washington to Porto are usually found in March or February, booked 32 days in advance, depart on a Wednesday or Monday and return on a Monday

How to find the cheapest flight from Washington to Porto

All the information you need to plan the best WAS to OPO flight in 2022: compare Washington to Porto flight prices with the expected peak season, weather and rainfall in Porto.

WAS - OPO

Price

$810 - $1,286

OPO

Temperature

48.2 - 68 °F

OPO

Precipitation

0.7 - 7.7 inches

Popular in

December

High demand for flights, 28% potential price rise

Cheapest in

March

Best time to find cheap flights, 13% potential price drop

Round-trip from

$810

From Washington (WAS) to Porto

One-way from

$275

One-way flight from Washington (WAS) to Porto

What is the cheapest day to fly round-trip from Washington to Porto?

Saturday flights are found to be more expensive to fly from Washington to Porto. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Porto.

How far in advance should I book a flight from Washington to Porto?

Users have found that booking a flight from Washington to Porto at least 33 days early can save you up to 6% on average compared to booking a flight this week. If booking 33 days before your flight isn’t an option for you, users have found flights from Washington to Porto for as little as $1,049 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $1,084 for flights departing within the next 3 days.

What is the cheapest month to fly from Washington to Porto?

The best pricing can be found in the month of March. Prices to Porto from Washington average $927. You can even find prices in March for less than $927, as users have found deals to Porto from as low as $692. The month of December appears to be one of the more expensive times to travel to Porto from Washington. Flying in the targeted month can save you up to 38%.

When is the cheapest time to fly from Washington to Porto (WAS - OPO)?

Unlike at noon, when flights are generally more expensive, you can save up to 32% on flights from Washington to Porto by exploring options for tickets in the afternoon.

Cheap flights from Washington to Porto in January, February 2022

The best prices found for WAS to OPO flights for January, February
Jan 21 - Jan 28
IAD

Washington Dulles Intl

OPO

Porto

1 stop

12h 05m
OPO

Porto

IAD

Washington Dulles Intl

1 stop

12h 50m
$352

TAP AIR PORTUGAL

View Deal

Deal found 18/1/22

Jan 23 - Jan 30
IAD

Washington Dulles Intl

OPO

Porto

1 stop

12h 40m
OPO

Porto

IAD

Washington Dulles Intl

1 stop

12h 50m
$357

TAP AIR PORTUGAL

View Deal

Deal found 17/1/22

Jan 21 - Jan 28
IAD

Washington Dulles Intl

OPO

Porto

1 stop

15h 40m
OPO

Porto

IAD

Washington Dulles Intl

1 stop

19h 25m
$363

TAP AIR PORTUGAL

View Deal

Deal found 16/1/22

Washington to Porto 2022 flight deals

Cheap flights to Porto from Washington found for this year
Jan 21 - Jan 28
IAD

Washington Dulles Intl

OPO

Porto

1 stop

12h 05m
OPO

Porto

IAD

Washington Dulles Intl

1 stop

12h 50m
$352

TAP AIR PORTUGAL

View Deal

Deal found 18/1/22

Jan 23 - Jan 30
IAD

Washington Dulles Intl

OPO

Porto

1 stop

12h 40m
OPO

Porto

IAD

Washington Dulles Intl

1 stop

12h 50m
$357

TAP AIR PORTUGAL

View Deal

Deal found 17/1/22

Oct 20 - Oct 29
IAD

Washington Dulles Intl

OPO

Porto

1 stop

9h 30m
OPO

Porto

IAD

Washington Dulles Intl

1 stop

28h 20m
$359

TAP AIR PORTUGAL

View Deal

Deal found 17/1/22

Last minute flights from Washington to Porto

Late deals on return flights to Porto from Washington, departing today and this week
Jan 27 - Feb 4
IAD

Washington Dulles Intl

OPO

Porto

1 stop

10h 20m
OPO

Porto

IAD

Washington Dulles Intl

1 stop

12h 45m
$369

TAP AIR PORTUGAL

View Deal

Deal found 17/1/22

Jan 27 - Feb 4
IAD

Washington Dulles Intl

OPO

Porto

2 stops

17h 35m
OPO

Porto

IAD

Washington Dulles Intl

2 stops

19h 10m
$403

Multiple Airlines

View Deal

Deal found 17/1/22

Jan 26 - Jan 29
IAD

Washington Dulles Intl

OPO

Porto

1 stop

19h 30m
OPO

Porto

IAD

Washington Dulles Intl

1 stop

32h 30m
$408

SWISS

View Deal

Deal found 18/1/22

One-way flights to Porto from Washington

The cheapest one-way flights from Washington to Porto
Mar 28
IAD

Washington Dulles Intl

OPO

Porto

2 stops

38h 30m
$275

Multiple Airlines

View Deal

Deal found 18/1/22

Apr 6
BWI

Baltimore/Washington

OPO

Porto

3 stops

33h 30m
$308

Multiple Airlines

View Deal

Deal found 16/1/22

Apr 10
IAD

Washington Dulles Intl

OPO

Porto

3 stops

32h 16m
$321

Multiple Airlines

View Deal

Deal found 16/1/22

Related info for your journey

Useful info, stats and facts about Washington to Porto flights.

What airport do you fly into for flights to Porto from Washington?

Most people fly into Porto (OPO) if they book a flight to Porto from Washington. On average, Porto has 0 inbound flights from Washington per day from 5 airlines. Porto is conveniently located just 6.8 mi from Porto’s city center.

Which airlines flying from Washington to Porto have flexible cancellations due to COVID-19?

Some of our airline partners flying from Washington to Porto have new flexible policies in place due to COVID-19. TAP AIR PORTUGAL, Lufthansa, and Iberia are some of the carriers where you may find flexible cancellation policies. You can use our site to filter for airlines like TAP AIR PORTUGAL with this kind of flexibility.

Can I find flights from Washington to Porto for under $400 on Cheapflights?

Yes, there are multiple flights from Washington to Porto for under $400. The cheapest flight booked recently is on TAP AIR PORTUGAL for just $362, but on average you can expect to pay $389.

Are there last-minute flights available from Washington to Porto for under $400?

There are currently 16+ open flights from Washington to Porto within the next 7 days for less than $400.

What are the cheapest airlines flying from Washington to Porto round-trip?

TAP AIR PORTUGAL, at $362, was found to be the cheapest airline from Washington to Porto.Alternate airlines to your destination round-trip include United Airlines and Iberia. These flights start at 60% lower than the current average price 3 months from now.

What are the most popular routes from Washington to Porto?

The most popular flight routes from Washington to Porto are Washington Dulles Intl - Porto, Washington Reagan-National - Porto and Baltimore/Washington - Porto.

What are the most popular airlines that fly from Washington to Porto?

The most popular airlines flying from Washington to Porto are Air Canada, Iberia and Lufthansa. Something to consider prior to booking your flight.

What are the cheapest flights from Washington to Porto?

While on average a flight from Washington to Porto is generally $1,183, our data shows the cheapest flight currently is $578. When looking at the most popular route, (Washington Dulles Intl - Porto), you can expect to pay $352 for that flight.

Can I fly to Porto from Washington right now?

Information is based on travel restrictions from Washington to Porto

Most visitors from Washington need to provide a negative COVID-19 test result and/or quarantine to enter Porto.

COVID-19 testing requirements
Visitors from Washington must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 for RT-PCR (NAAT) and 48 Antigen (quick-test) hours before departing to Porto.

Quarantine requirements
Visitors from Washington are not required to quarantine after entering Porto.

Documents
Health declaration for Madeira - Travelers must complete and submit it 12-48 hours before departure. This will generate a QR code which must be presented upon arrival.


Can I fly back to Washington from Porto?

Returning to Washington from Porto

COVID-19 testing requirements
Visitors from Porto must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 24 hours before departing to Washington.

Quarantine requirements
Visitors from Porto are not required to quarantine after entering Washington.

Top 4 airlines flying from Washington to Porto

The chart below displays the airlines Cheapflights users traveling from Washington to Porto choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
TAP AIR PORTUGAL
Cheapest$517
Average$865
FlexibilityNo cancel fee
On-timeN/A
COVID-19 safety
Iberia
Cheapest$603
Average$709
FlexibilityNo cancel fee
On-time77%
COVID-19 safety
Lufthansa
Cheapest$676
Average$1,231
FlexibilityNo cancel fee
On-time76%
COVID-19 safety
United Airlines
Cheapest$1,187
Average$1,528
FlexibilityNo cancel fee
On-time69%
COVID-19 safety