How many flights depart from District of Columbia to Portugal on average per week?

As of December 2025, there are 32 flights per week flying from District of Columbia to Portugal. The most common day of the week flights depart is Mon, with 16% of flights taking off on this day.

How many flights depart from District of Columbia to Portugal on average per day?

As of December 2025, there are 4 flights per day flying from District of Columbia to Portugal. The most common time of day flights depart is 10:00PM, with 76% of flights taking off in the evening.

What is the cheapest airline that flies from District of Columbia to Portugal?

Scandinavian Airlines, TAP AIR PORTUGAL, and SWISS are the most popular carriers operating from District of Columbia to Portugal

What airlines fly to Portugal?

TAP AIR PORTUGAL, United Airlines and Delta are the top three most popular airlines that fly to Portugal from District of Columbia according to our data. TAP AIR PORTUGAL is the first choice among our users, with 77% of people opting to fly with this airline when traveling to Portugal. Keep in mind that there are 14 different airlines that fly to Portugal on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from District of Columbia to Portugal?

Prices for flights from District of Columbia to Portugal are updated daily.

How many operators does momondo search for flights from District of Columbia to Portugal?

As of December 2025, there are 13 operators available to choose from for flights from District of Columbia to Portugal.

How old do you have to be to fly from District of Columbia to Portugal?

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 District of Columbia to Portugal.

What documentation or ID do you need to fly to Portugal?

The travel and health documents you'll need for your trip to Portugal 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 Portugal. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$250 Cheap Flights from District of Columbia to Portugal in 2025/26

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5:25 pm - 11:15 am

IAD

OPO

12h 50m1 stop

12:05 pm - 3:30 pm

OPO

IAD

32h 25m1 stop

$434SWISS

Mon, Jan 12 - Mon, Jan 26

10:15 pm - 11:10 am

IAD

OPO

31h 55m2 stops

12:05 pm - 3:10 pm

OPO

IAD

32h 05m1 stop

$442SWISS

Wed, Jan 14 - Thu, Jan 22

5:45 pm - 12:05 pm

IAD

OPO

13h 20m1 stop

12:55 pm - 2:35 pm

OPO

IAD

30h 40m1 stop

$447Brussels Airlines

Mon, Jan 12 - Mon, Jan 26

5:25 pm - 11:15 am

IAD

OPO

13h 50m1 stop

6:00 am - 4:50 pm

OPO

IAD

14h 50m1 stop

$457Multiple Airlines

Tue, Mar 17 - Thu, Mar 26

5:45 pm - 12:05 pm

IAD

OPO

13h 20m1 stop

12:05 pm - 3:10 pm

OPO

IAD

32h 05m1 stop

$458Multiple Airlines

Wed, Jan 14 - Thu, Jan 22

5:45 pm - 11:15 am

IAD

OPO

12h 30m1 stop

7:25 pm - 3:05 pm

OPO

IAD

24h 40m1 stop

$459SWISS

Wed, Feb 18 - Tue, Feb 24

9:45 am - 1:15 pm

IAD

OPO

22h 30m2 stops

6:00 am - 3:50 pm

OPO

IAD

14h 50m1 stop

$461Multiple Airlines

Wed, Feb 11 - Tue, Feb 17

12:23 pm - 10:50 am

IAD

FAO

17h 27m2 stops

11:40 am - 5:15 pm

FAO

IAD

34h 35m1 stop

$475Scandinavian Airlines

Mon, Jan 19 - Tue, Feb 3

11:05 am - 1:15 pm

DCA

OPO

21h 10m2 stops

6:00 am - 8:55 am

OPO

DCA

31h 55m2 stops

$488Air Canada

Wed, Jan 14 - Thu, Jan 22

12:23 pm - 10:50 am

IAD

FAO

17h 27m2 stops

11:40 am - 11:43 am

FAO

IAD

53h 03m2 stops

$514Scandinavian Airlines

Mon, Jan 19 - Tue, Feb 3

TAP AIR PORTUGAL flights from District of Columbia to Portugal

Our best TAP AIR PORTUGAL deals on District of Columbia to Portugal flight tickets

TAP AIR PORTUGAL

Apr 7

IAD5:05 pmWashington, D.C. Dulles Intl

11h 55m

1 stop

OPO10:00 amPorto

Apr 15

OPO11:00 amPorto

14h 35m

1 stop

IAD8:35 pmWashington, D.C. Dulles Intl

$479

Find similar

TAP AIR PORTUGAL

Jan 23

IAD10:30 pmWashington, D.C. Dulles Intl

12h 25m

1 stop

OPO3:55 pmPorto

Jan 28

OPO12:00 pmPorto

14h 00m

1 stop

IAD9:00 pmWashington, D.C. Dulles Intl

$499

Find similar

TAP AIR PORTUGAL

Apr 12

IAD5:40 pmWashington, D.C. Dulles Intl

10h 20m

1 stop

OPO9:00 amPorto

Apr 29

OPO7:00 amPorto

18h 35m

1 stop

IAD8:35 pmWashington, D.C. Dulles Intl

$509

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Aer Lingus flights from District of Columbia to Portugal

Our best Aer Lingus deals on District of Columbia to Portugal flight tickets

Aer Lingus

Dec 16

IAD9:00 pmWashington, D.C. Dulles Intl

32h 10m

1 stop

LIS10:10 amLisbon Humberto Delgado

Dec 22

LIS10:50 amLisbon Humberto Delgado

33h 45m

1 stop

IAD3:35 pmWashington, D.C. Dulles Intl

$1,502

Find similar

Aer Lingus

Dec 17

IAD5:05 pmWashington, D.C. Dulles Intl

12h 05m

1 stop

LIS10:10 amLisbon Humberto Delgado

Mar 31

LIS10:15 pmLisbon Humberto Delgado

22h 35m

1 stop

IAD3:50 pmWashington, D.C. Dulles Intl

$1,518

Find similar

momondo Fare Finder

Use the filters below to find and compare flights from District of Columbia to Portugal that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Porto

IAD - OPO

IADOPO

Washington, D.C. Dulles Intl

Mon 1/12

5:25 pm-11:15 am

1 stop12h 50m

Porto

Mon 1/26

12:05 pm-3:30 pm

1 stop32h 25m

$434

Washington, D.C.Porto

IAD - OPO

IADOPO

Washington, D.C. Dulles Intl

Wed 1/14

10:15 pm-11:10 am

2 stops31h 55m

Porto

Thu 1/22

12:05 pm-3:10 pm

1 stop32h 05m

$442

Washington, D.C.Porto

IAD - OPO

IADOPO

Washington, D.C. Dulles Intl

Mon 1/12

5:45 pm-12:05 pm

1 stop13h 20m

Porto

Mon 1/26

12:55 pm-2:35 pm

1 stop30h 40m

$447

Washington, D.C.Porto

IAD - OPO

IADOPO

Washington, D.C. Dulles Intl

Tue 3/17

5:25 pm-11:15 am

1 stop13h 50m

Porto

Thu 3/26

6:00 am-4:50 pm

1 stop14h 50m

$457

Washington, D.C.Porto

IAD - OPO

IADOPO

Washington, D.C. Dulles Intl

Wed 1/14

5:45 pm-12:05 pm

1 stop13h 20m

Porto

Thu 1/22

12:05 pm-3:10 pm

1 stop32h 05m

$458

Washington, D.C.Porto

IAD - OPO

IADOPO

Washington, D.C. Dulles Intl

Wed 2/18

5:45 pm-11:15 am

1 stop12h 30m

Porto

Tue 2/24

7:25 pm-3:05 pm

1 stop24h 40m

$459

Washington, D.C.Porto

IAD - OPO

IADOPO

Washington, D.C. Dulles Intl

Wed 2/11

9:45 am-1:15 pm

2 stops22h 30m

Porto

Tue 2/17

6:00 am-3:50 pm

1 stop14h 50m

$461

Washington, D.C.Faro

IAD - FAO

IADFAO

Washington, D.C. Dulles Intl

Mon 1/19

12:23 pm-10:50 am

2 stops17h 27m

Faro

Tue 2/3

11:40 am-5:15 pm

1 stop34h 35m

$475

Washington, D.C.Porto

DCA - OPO

DCAOPO

Washington, D.C. Reagan-National

Wed 1/14

11:05 am-1:15 pm

2 stops21h 10m

Porto

Thu 1/22

6:00 am-8:55 am

2 stops31h 55m

$488

Washington, D.C.Faro

IAD - FAO

IADFAO

Washington, D.C. Dulles Intl

Mon 1/19

12:23 pm-10:50 am

2 stops17h 27m

Faro

Tue 2/3

11:40 am-11:43 am

2 stops53h 03m

$514

Flights are sorted by cheapest round-trip flights first.

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How to get the cheapest flight ticket from District of Columbia to Portugal

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

Prices

Airlines

Other information

What is the cheapest month to fly to Portugal?

The cheapest month to fly to Portugal from District of Columbia is in February. Flight prices, which tend to average around $705, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of February, then book flights to Portugal from District of Columbia during January instead. Flights to Portugal in January, while not as cheap as those in February, still average around $758.

What is the cheapest day to depart on your flight to Portugal?

According to our data, Monday is the cheapest day to fly to Portugal from District of Columbia. The lowest ticket price found for a Monday departure recently was $710. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Portugal is Friday, with ticket prices averaging around $880.

What is the cheapest time of day to depart on your flight to Portugal?

Our most recent data shows that the best time of day to fly to Portugal is at noon. Flights from District of Columbia to Portugal during this time can be as low as $661. In the evening is when there is more demand to fly to Portugal, so prices are often more expensive at around $838 per ticket.

What is the cheapest District of Columbia to Portugal flight route?

Fly from Washington, D.C. Dulles Intl to Lisbon Humberto Delgado for the best District of Columbia - Portugal flight prices

How far in advance should I book a flight to Portugal?

You are more likely to see cheaper flights to Portugal from District of Columbia when booking weeks ahead of your departure date. In general, you can expect to find flights to Portugal for around $907 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portugal from District of Columbia for as low as $744 on momondo.

What cabin class options are available on District of Columbia to Portugal flights?

There are 3 cabin classes available to choose from on District of Columbia to Portugal 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 District of Columbia to Portugal flights?

You could potentially save up to 20% on your flight if you consider stops on a District of Columbia to Portugal flight.

Cheap District of Columbia to Portugal flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from District of Columbia to Portugal

Best Price Found	$313
Fastest flight time	7h 05m
Direct flights	Every day
Airports in Portugal	99 airports

The best one-way flight to Portugal from District of Columbia in the past 72 hours is $313. The best round-trip flight deal from District of Columbia to Portugal found on momondo in the last 72 hours is $533.

The fastest flight from District of Columbia to Portugal takes 7h 05m

Direct flights go from District of Columbia to Portugal every day.

There are 99 airports in Portugal. From District of Columbia there are direct flights to Lisbon Humberto Delgado (LIS).

Search flight deals

When did momondo last update prices for flights from District of Columbia to Portugal?
Prices for flights from District of Columbia to Portugal are updated daily.
How many operators does momondo search for flights from District of Columbia to Portugal?
As of December 2025, there are 13 operators available to choose from for flights from District of Columbia to Portugal.
How old do you have to be to fly from District of Columbia to Portugal?
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 District of Columbia to Portugal.
What documentation or ID do you need to fly to Portugal?
The travel and health documents you'll need for your trip to Portugal 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 Portugal. 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 District of Columbia to Portugal?
Based on momondo bookings for flights between District of Columbia and Portugal, the leading plane model is Boeing 767-400, making up 28.53% of the total bookings. Other popular models include Airbus A321neo with 20.00%, Boeing 777 with 14.14%, and Boeing 767-300 with 9.58%.

Best airlines flying from District of Columbia to Portugal

Compare and see reviews for airlines that fly from District of Columbia to Portugal with momondo

Airline	Rating	Free Cancellation	Price
PLAY	PriceFrom $345	Free Cancellation	Rating 7.0 103 reviews	Search PLAY flights
Delta	PriceFrom $439	Free Cancellation	Rating 7.9 8,007 reviews	Search Delta flights
United Airlines	PriceFrom $494	Free Cancellation	Rating 7.4 9,094 reviews	Search United Airlines flights
Scandinavian Airlines	PriceFrom $504	Free Cancellation	Rating 7.4 1,605 reviews	Search Scandinavian Airlines flights
TAP AIR PORTUGAL	PriceFrom $505	Free Cancellation	Rating 7.1 2,089 reviews	Search TAP AIR PORTUGAL flights
American Airlines	PriceFrom $508	Free Cancellation	Rating 7.2 11,049 reviews	Search American Airlines flights
British Airways	PriceFrom $510	Free Cancellation	Rating 6.7 7,571 reviews	Search British Airways flights
Iberia	PriceFrom $515	Free Cancellation	Rating 7.0 3,045 reviews	Search Iberia flights
Royal Air Maroc	PriceFrom $551	Free Cancellation	Rating 6.2 536 reviews	Search Royal Air Maroc flights
KLM	PriceFrom $555	Free Cancellation	Rating 7.7 1,432 reviews	Search KLM flights

Why use momondo?

Why should I use momondo to find a flight deal from District of Columbia to Portugal?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Portugal from District of Columbia.

Can I find flights from District of Columbia to Portugal with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Portugal from District of Columbia with this policy.

How can momondo help me find flights from District of Columbia to Portugal?

Once you have performed a search for District of Columbia to Portugal flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from District of Columbia to Portugal right now. Can momondo alert me if prices change?

Price alerts on flights to Portugal from District of Columbia are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Portugal trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Find better results for your trip to Portugal

Popular cities in Portugal

Flights to Lisbonfrom $366

Flights to Portofrom $346

Flights to Funchalfrom $418

Flights to Farofrom $409

Flights to Ponta Delgadafrom $403

Flights to Lajesfrom $484

Flights to Hortafrom $576

Flights to Pico Islandfrom $561

Flights to Porto Santofrom $554

Flights to Velasfrom $612

District of Columbia flight routes

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Flights from Washington, D.C. Dulles Intl to Asheville Regional

Cheap flights from District of Columbia to Portugal from $250

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from District of Columbia to Portugal departing on 1/26. 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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Big names and deals

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Filter for what you want

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Find the cheapest flights from District of Columbia to Portugal

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TAP AIR PORTUGAL flights from District of Columbia to Portugal

Our best TAP AIR PORTUGAL deals on District of Columbia to Portugal flight tickets

Aer Lingus flights from District of Columbia to Portugal

Our best Aer Lingus deals on District of Columbia to Portugal flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from District of Columbia to Portugal that are best for you.

See travel insights to Portugal from

How to get the cheapest flight ticket from District of Columbia to Portugal

What is the cheapest month to fly to Portugal?

What is the cheapest day to depart on your flight to Portugal?

What is the cheapest time of day to depart on your flight to Portugal?

Our most recent data shows that the best time of day to fly to Portugal is at noon. Flights from District of Columbia to Portugal during this time can be as low as $661. In the evening is when there is more demand to fly to Portugal, so prices are often more expensive at around $838 per ticket.

What is the cheapest District of Columbia to Portugal flight route?

Fly from Washington, D.C. Dulles Intl to Lisbon Humberto Delgado for the best District of Columbia - Portugal flight prices

How far in advance should I book a flight to Portugal?

What cabin class options are available on District of Columbia to Portugal flights?

There are 3 cabin classes available to choose from on District of Columbia to Portugal 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 District of Columbia to Portugal flights?

You could potentially save up to 20% on your flight if you consider stops on a District of Columbia to Portugal flight.

What is the cheapest airline that flies from District of Columbia to Portugal?

Scandinavian Airlines, TAP AIR PORTUGAL, and SWISS are the most popular carriers operating from District of Columbia to Portugal

What airlines fly to Portugal?

How many flights depart from District of Columbia to Portugal on average per day?

As of December 2025, there are 4 flights per day flying from District of Columbia to Portugal. The most common time of day flights depart is 10:00PM, with 76% of flights taking off in the evening.

How many flights depart from District of Columbia to Portugal on average per week?

As of December 2025, there are 32 flights per week flying from District of Columbia to Portugal. The most common day of the week flights depart is Mon, with 16% of flights taking off on this day.

Cheap District of Columbia to Portugal flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from District of Columbia to Portugal

Best Price Found

Fastest flight time

Direct flights

Airports in Portugal

When did momondo last update prices for flights from District of Columbia to Portugal?

How many operators does momondo search for flights from District of Columbia to Portugal?

How old do you have to be to fly from District of Columbia to Portugal?

What documentation or ID do you need to fly to Portugal?

What is the most popular plane model from District of Columbia to Portugal?

Best airlines flying from District of Columbia to Portugal

Compare and see reviews for airlines that fly from District of Columbia to Portugal with momondo

Why use momondo?

Why should I use momondo to find a flight deal from District of Columbia to Portugal?

Can I find flights from District of Columbia to Portugal with flexible booking policies on momondo?

How can momondo help me find flights from District of Columbia to Portugal?

I’m not ready to book a flight from District of Columbia to Portugal right now. Can momondo alert me if prices change?

An easier way to manage your Portugal trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Portugal

Popular cities in Portugal

Popular flights according to clicks in the last 7 days on momondo