How long is the flight from District of Columbia to Portugal?

Airlines like TAP AIR PORTUGAL, United Airlines, and British Airways fly from District of Columbia to Portugal in about 10h 57m. The time it takes to get you to your destination can typically vary by up to 9h 23m. There are 3537 mi between District of Columbia and Portugal. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

What are the cheapest airlines to fly from District of Columbia to Portugal one-way?

One-way options have recently been found by users for as low as $255 on TAP AIR PORTUGAL. Other airlines that offer cheap prices include Scandinavian Airlines from $355 and Royal Air Maroc from $373 one-way.

In terms of precipitation, rainfall in Portugal ranges from 0.2 - 4.8 inches per month. December is typically the wettest month, when rainfall can reach 4.8 in. July is typically the driest time to visit Portugal when rainfall is around 0.2 in.

If weather is an important factor for your trip to Portugal, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

How far in advance should I book a flight from District of Columbia to Portugal?

Users have found that booking a flight from District of Columbia to Portugal at least 49 days early can save you up to 78% on average compared to booking a flight this week. If booking 49 days before your flight isn’t an option for you, users have found flights from District of Columbia to Portugal for as little as $1,087 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 $1,180 for flights departing within the next 3 days.

What is the cheapest month to fly from District of Columbia to Portugal?

February is one of the best times of the year to fly to Portugal from District of Columbia. Prices for February average $909 per person but you can even find prices for as low as $350. The most expensive prices can be found in the month of December. Opting for a February flight can save you 45% on your journey compared to booking in December

How can I find direct flights from District of Columbia to Portugal?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from District of Columbia to Portugal.

Can I find deals for business class flights from District of Columbia to Portugal?

Yes. Cheapflights offers flight deals from District of Columbia to Portugal by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$252+ Cheap Flights from District of Columbia to Portugal

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Cheap flight deals from District of Columbia to Portugal

Round-trip from	$525 (oojo)
One-way from	$252 (Mytrip)
Popular in	December
Cheapest in	February
Average price	$856
Good round-trip deal	$585 or less
Good one-way deal	$293 or less

From District of Columbia to Portugal

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One-way flight from District of Columbia to Portugal

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Highest demand for flights based on searches. 3% potential increase in price ($32 potential increase over avg. RT price).

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Cheapest flight prices on average. 4% potential price decrease ($38 potential savings vs. average RT price).

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Average for round-trip flights in September 2025

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Price to beat on a round-trip flight from District of Columbia to Portugal.

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Price to beat on a one-way flight from District of Columbia to Portugal.

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Find flight deals from District of Columbia to Portugal

Cheapest flights from District of Columbia to Portugal
Explore the most affordable flight options available from District of Columbia to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

Wed 10/2911:30 pmIAD - FAO

1 stop12h 15mTAP AIR PORTUGAL

Wed 11/124:35 pmFAO - IAD

1 stop27h 40mTAP AIR PORTUGAL

Deal found 9/14

$525

Fri 11/710:30 pmIAD - FAO

1 stop12h 15mTAP AIR PORTUGAL

Sun 11/166:05 amFAO - IAD

1 stop19h 55mTAP AIR PORTUGAL

Deal found 9/14

$526

Wed 10/2911:30 pmIAD - FAO

1 stop12h 15mTAP AIR PORTUGAL

Wed 11/56:05 amFAO - IAD

1 stop19h 55mTAP AIR PORTUGAL

Deal found 9/14

$530

Mon 10/1310:20 pmIAD - FAO

1 stop14h 00mTAP AIR PORTUGAL

Mon 10/206:10 pmFAO - IAD

1 stop31h 40mTAP AIR PORTUGAL

Deal found 9/13

$533

Thu 11/65:33 pmIAD - OPO

1 stop10h 57mUnited Airlines

Mon 11/1712:35 pmOPO - IAD

1 stop13h 22mUnited Airlines

Deal found 9/13

$544

Sat 11/87:00 pmDCA - OPO

1 stop9h 30mUnited Airlines

Mon 11/1712:35 pmOPO - DCA

1 stop12h 00mUnited Airlines

Deal found 9/13

$544

Wed 10/299:45 amIAD - OPO

3 stops25h 00mMultiple Airlines

Wed 11/58:05 pmOPO - IAD

2 stops25h 35mMultiple Airlines

Deal found 9/14

$547

Wed 11/129:45 amIAD - OPO

2 stops24h 40mUnited Airlines

Sun 11/166:00 amOPO - IAD

2 stops19h 57mUnited Airlines

Deal found 9/13

$548

Tue 10/78:45 pmIAD - OPO

1 stop30h 00mSWISS

Wed 11/512:10 pmOPO - IAD

1 stop33h 30mSWISS

Deal found 9/14

$549

Fri 11/78:30 pmIAD - OPO

1 stop33h 20mSWISS

Sun 11/166:35 pmOPO - IAD

2 stops51h 05mSWISS

Deal found 9/13

$550

Thu 11/67:59 pmIAD - FAO

2 stops39h 21mScandinavian Airlines

Tue 11/1810:50 amFAO - IAD

1 stop35h 25mScandinavian Airlines

Deal found 9/14

$550

Fri 11/78:30 pmIAD - OPO

1 stop33h 20mSWISS

Sat 11/1512:00 pmOPO - IAD

1 stop33h 40mSWISS

Deal found 9/14

$551

Best flights from District of Columbia to Portugal
Discover carefully curated flight deals from District of Columbia to Portugal that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 15, 2025.

Fri 11/710:30 pmIAD - FAO

1 stop20h 20mTAP AIR PORTUGAL

Tue 11/186:05 amFAO - IAD

1 stop13h 30mTAP AIR PORTUGAL

Deal found 9/14

$525

Thu 11/65:33 pmIAD - OPO

1 stop10h 57mUnited Airlines

Mon 11/1712:35 pmOPO - IAD

1 stop13h 22mUnited Airlines

Deal found 9/13

$544

Fri 3/69:45 pmIAD - OPO

1 stop16h 15mBritish Airways

Mon 3/95:30 pmOPO - IAD

1 stop27h 05mBritish Airways

Deal found 9/14

$547

Thu 11/67:59 pmIAD - FAO

2 stops39h 21mScandinavian Airlines

Tue 11/1810:50 amFAO - IAD

1 stop35h 25mScandinavian Airlines

Deal found 9/14

$550

Tue 10/76:30 pmIAD - OPO

1 stop16h 00mDelta

Tue 11/411:10 amOPO - IAD

1 stop13h 05mDelta

Deal found 9/15

$553

Thu 11/136:50 pmDCA - OPO

2 stops14h 55mMultiple Airlines

Tue 12/24:15 pmOPO - DCA

2 stops34h 41mMultiple Airlines

Deal found 9/14

$564

Thu 10/308:40 pmDCA - OPO

2 stops14h 45mKLM

Thu 11/611:20 amOPO - DCA

2 stops16h 39mKLM

Deal found 9/14

$581

Fri 11/78:30 pmIAD - OPO

2 stops40h 05mSWISS

Sun 11/166:35 pmOPO - IAD

2 stops51h 05mSWISS

Deal found 9/13

$583

Thu 10/231:30 pmIAD - LIS

1 stop21h 00mTurkish Airlines

Thu 10/304:05 pmLIS - IAD

1 stop24h 40mTurkish Airlines

Deal found 9/15

$630

Fri 10/179:05 pmIAD - LIS

1 stop15h 35mRoyal Air Maroc

Tue 10/285:55 pmLIS - IAD

1 stop29h 50mRoyal Air Maroc

Deal found 9/15

$652

Thu 11/66:00 amDCA - FAO

2 stops27h 35mAir Canada

Sun 11/163:05 pmFAO - DCA

2 stops48h 21mAir Canada

Deal found 9/14

$922

Thu 11/610:15 pmDCA - FAO

2 stops33h 35mAmerican Airlines

Mon 11/177:05 pmFAO - DCA

2 stops27h 53mAmerican Airlines

Deal found 9/14

$939

Last-minute flights from District of Columbia to Portugal
Discover last-minute flight deals from District of Columbia to Portugal. Data last updated September 15, 2025 and is based on user searches.

Tue 10/78:45 pmIAD - OPO

1 stop30h 00mSWISS

Wed 11/512:10 pmOPO - IAD

1 stop33h 30mSWISS

Deal found 9/14

$549

Tue 10/76:30 pmIAD - OPO

1 stop16h 00mDelta

Tue 11/411:10 amOPO - IAD

1 stop13h 05mDelta

Deal found 9/15

$553

Tue 10/76:30 pmIAD - OPO

1 stop16h 00mDelta

Wed 11/56:00 amOPO - IAD

2 stops18h 18mDelta

Deal found 9/15

$565

Tue 10/79:20 pmIAD - OPO

1 stop13h 10mKLM

Mon 11/311:25 amOPO - IAD

1 stop34h 10mKLM

Deal found 9/14

$566

Mon 10/1310:20 pmIAD - FAO

1 stop14h 00mTAP AIR PORTUGAL

Mon 10/206:10 pmFAO - IAD

1 stop31h 40mTAP AIR PORTUGAL

Deal found 9/13

$533

Mon 10/2010:33 amDCA - OPO

1 stop18h 12mMultiple Airlines

Wed 11/56:00 amOPO - DCA

2 stops21h 35mMultiple Airlines

Deal found 9/14

$570

Thu 10/231:00 pmIAD - OPO

2 stops16h 40mDelta

Tue 11/411:10 amOPO - IAD

1 stop13h 05mDelta

Deal found 9/14

$571

Wed 10/2911:30 pmIAD - FAO

1 stop12h 15mTAP AIR PORTUGAL

Wed 11/124:35 pmFAO - IAD

1 stop27h 40mTAP AIR PORTUGAL

Deal found 9/14

$525

Wed 10/2911:30 pmIAD - FAO

1 stop12h 15mTAP AIR PORTUGAL

Wed 11/56:05 amFAO - IAD

1 stop19h 55mTAP AIR PORTUGAL

Deal found 9/14

$530

Wed 10/299:45 amIAD - OPO

3 stops25h 00mMultiple Airlines

Wed 11/58:05 pmOPO - IAD

2 stops25h 35mMultiple Airlines

Deal found 9/14

$547

Wed 10/296:00 amDCA - OPO

1 stop23h 30mUnited Airlines

Wed 11/512:35 pmOPO - DCA

1 stop12h 00mUnited Airlines

Deal found 9/14

$565

Wed 10/2911:30 pmIAD - PDL

1 stop16h 05mTAP AIR PORTUGAL

Wed 11/57:25 pmPDL - IAD

1 stop23h 50mTAP AIR PORTUGAL

Deal found 9/14

$578

One-way flights from District of Columbia to Portugal
Search for one-way flight options from District of Columbia to Portugal. Find affordable one-way fares based on user searches. Data last updated September 15, 2025.

Wed 10/155:50 pmIAD - FAO

2 stops24h 10mMultiple Airlines

Deal found 9/15

$252

Sat 10/115:00 pmIAD - OPO

1 stop19h 00mTAP AIR PORTUGAL

Deal found 9/13

$255

Mon 10/610:20 pmIAD - OPO

1 stop15h 40mTAP AIR PORTUGAL

Deal found 9/14

$256

Sun 11/1610:30 pmIAD - OPO

1 stop18h 30mTAP AIR PORTUGAL

Deal found 9/14

$257

Wed 10/155:50 pmIAD - OPO

2 stops32h 00mMultiple Airlines

Deal found 9/15

$265

Sun 10/127:27 pmIAD - OPO

3 stops44h 08mMultiple Airlines

Deal found 9/13

$274

Sun 10/510:20 pmIAD - OPO

2 stops37h 25mMultiple Airlines

Deal found 9/14

$284

Mon 10/610:20 pmIAD - PDL

3 stops40h 35mMultiple Airlines

Deal found 9/13

$292

Wed 10/1512:55 pmDCA - FAO

3 stops24h 45mMultiple Airlines

Deal found 9/15

$293

Sat 10/1110:35 pmIAD - OPO

2 stops43h 00mMultiple Airlines

Deal found 9/13

$297

Mon 10/65:45 pmIAD - PDL

1 stop12h 00mTAP AIR PORTUGAL

Deal found 9/13

$300

Sat 10/187:15 amIAD - PDL

3 stops27h 20mMultiple Airlines

Deal found 9/14

$312

Cheapflights 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.Faro

IAD - FAO

IADFAO

Washington, D.C. Dulles Intl

Fri 11/7

10:30 pm-11:50 pm

1 stop20h 20m

Faro

Tue 11/18

6:05 am-2:35 pm

1 stop13h 30m

$525

Washington, D.C.Faro

IAD - FAO

IADFAO

Washington, D.C. Dulles Intl

Sat 11/1

6:30 pm-3:45 pm

1 stop17h 15m

Faro

Fri 11/7

4:35 pm-3:15 pm

1 stop27h 40m

$525

Washington, D.C.Faro

IAD - FAO

IADFAO

Washington, D.C. Dulles Intl

Wed 10/29

11:30 pm-11:50 pm

1 stop20h 20m

Faro

Tue 11/4

6:05 am-2:35 pm

1 stop13h 30m

$525

Washington, D.C.Faro

IAD - FAO

IADFAO

Washington, D.C. Dulles Intl

Mon 12/1

5:30 pm-3:45 pm

1 stop17h 15m

Faro

Sat 12/6

6:05 am-3:15 pm

1 stop14h 10m

$525

Washington, D.C.Faro

IAD - FAO

IADFAO

Washington, D.C. Dulles Intl

Fri 2/6

10:30 pm-3:45 pm

1 stop12h 15m

Faro

Tue 2/17

6:05 am-2:35 pm

1 stop13h 30m

$525

Washington, D.C.Porto

IAD - OPO

IADOPO

Washington, D.C. Dulles Intl

Thu 11/6

5:33 pm-9:30 am

1 stop10h 57m

Porto

Mon 11/17

12:35 pm-8:57 pm

1 stop13h 22m

$544

Washington, D.C.Porto

IAD - OPO

IADOPO

Washington, D.C. Dulles Intl

Fri 3/6

9:45 pm-7:00 pm

1 stop16h 15m

Porto

Mon 3/9

5:30 pm-4:35 pm

1 stop27h 05m

$547

Washington, D.C.Porto

IAD - OPO

IADOPO

Washington, D.C. Dulles Intl

Wed 11/12

9:45 am-3:25 pm

2 stops24h 40m

Porto

Sun 11/16

6:00 am-8:57 pm

2 stops19h 57m

$548

Washington, D.C.Faro

IAD - FAO

IADFAO

Washington, D.C. Dulles Intl

Thu 11/6

7:59 pm-4:20 pm

2 stops39h 21m

Faro

Tue 11/18

10:50 am-5:15 pm

1 stop35h 25m

$550

Washington, D.C.Porto

IAD - OPO

IADOPO

Washington, D.C. Dulles Intl

Thu 3/12

7:20 pm-2:45 pm

2 stops15h 25m

Porto

Tue 3/17

12:35 pm-8:33 pm

1 stop11h 58m

$550

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 60 results

...

Best time to book a flight from District of Columbia to Portugal

Have a flexible travel schedule? Discover the best time to fly to Portugal from District of Columbia with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from District of Columbia to Portugal

What is the cheapest month to book a flight from District of Columbia to Portugal?

Currently, January is the cheapest month in which you can book a flight from District of Columbia to Portugal (average of $612). Flying from District of Columbia to Portugal in June is currently the most expensive (average of $1,127). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from DC to PT?

When flying from District of Columbia to Portugal, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from District of Columbia to Portugal

The most flights from USDC to PT0 are scheduled on a Monday (7 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (5 on average).

Related info for your journey

How long is the flight from District of Columbia to Portugal?
Airlines like TAP AIR PORTUGAL, United Airlines, and British Airways fly from District of Columbia to Portugal in about 10h 57m. The time it takes to get you to your destination can typically vary by up to 9h 23m. There are 3537 mi between District of Columbia and Portugal. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.
What are the cheapest airlines to fly from District of Columbia to Portugal one-way?
One-way options have recently been found by users for as low as $255 on TAP AIR PORTUGAL. Other airlines that offer cheap prices include Scandinavian Airlines from $355 and Royal Air Maroc from $373 one-way.
Can I find deals for flights from District of Columbia to Portugal that include hotel bookings?
Yes. In addition to deals on District of Columbia to Portugal flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from District of Columbia to Portugal?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from District of Columbia to Portugal.
Can I find deals for business class flights from District of Columbia to Portugal?
Yes. Cheapflights offers flight deals from District of Columbia to Portugal by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from District of Columbia to Portugal?
Currently, January is the cheapest month in which you can book a flight from District of Columbia to Portugal (average of $612). Flying from District of Columbia to Portugal in June is currently the most expensive (average of $1,127). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Top 10 airlines flying from District of Columbia to Portugal

Airline	Cheapest	Average	Flexibility	On-time
PLAY	Cheapest$338	Average$420	FlexibilityNo cancel fee	On-timeN/A
Delta	Cheapest$418	Average$1,134	FlexibilityNo cancel fee	On-timeN/A
KLM	Cheapest$430	Average$731	FlexibilityNo cancel fee	On-time75%
TAP AIR PORTUGAL	Cheapest$469	Average$921	FlexibilityNo cancel fee	On-timeN/A
British Airways	Cheapest$480	Average$881	FlexibilityNo cancel fee	On-time70%
American Airlines	Cheapest$508	Average$783	FlexibilityNo cancel fee	On-time71%
Iberia	Cheapest$515	Average$721	FlexibilityNo cancel fee	On-time77%
United Airlines	Cheapest$520	Average$1,068	FlexibilityNo cancel fee	On-time69%
Royal Air Maroc	Cheapest$552	Average$649	FlexibilityNo cancel fee	On-time75%
Turkish Airlines	Cheapest$586	Average$667	FlexibilityNo cancel fee	On-time77%

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$252+ Cheap flights from District of Columbia to Portugal

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/15. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from District of Columbia to Portugal with Cheapflights

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3. Compare prices and book

Cheap flight deals from District of Columbia to Portugal

Keep the following information in mind while searching for District of Columbia to Portugal flight deals. Data was last updated September 15, 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from District of Columbia to Portugal

Cheapest flights from District of Columbia to PortugalExplore the most affordable flight options available from District of Columbia to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

Explore the most affordable flight options available from District of Columbia to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

Cheapflights Fare Finder

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

Best time to book a flight from District of Columbia to Portugal

Have a flexible travel schedule? Discover the best time to fly to Portugal from District of Columbia with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from District of Columbia to Portugal

What is the cheapest month to book a flight from District of Columbia to Portugal?

What is the cheapest time of day to fly from DC to PT?

Find hourly flight availability from District of Columbia to Portugal. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 15, 2025.

Weekly flight availability from District of Columbia to Portugal

Related info for your journey

Find useful and relevant information for your journey from District of Columbia to Portugal. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

How long is the flight from District of Columbia to Portugal?

What are the cheapest airlines to fly from District of Columbia to Portugal one-way?

Can I find deals for flights from District of Columbia to Portugal that include hotel bookings?

How can I find direct flights from District of Columbia to Portugal?

Can I find deals for business class flights from District of Columbia to Portugal?

What is the cheapest month to book a flight from District of Columbia to Portugal?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for District of Columbia to Portugal

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from District of Columbia to Portugal

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Cheapest flights from District of Columbia to Portugal
Explore the most affordable flight options available from District of Columbia to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.