What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to Portugal?

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Portugal (average of $612). Flying from Washington, D.C. Reagan-National Airport to Portugal in June is currently the most expensive (average of $1,247). 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.

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).

What are the most popular routes from Washington, D.C. Reagan-National Airport to Portugal?

The most popular route from Washington, D.C. Reagan-National Airport to Portugal is Washington, D.C. Reagan-National - Lisbon Humberto Delgado. You may also consider Washington, D.C. Reagan-National - Porto or Washington, D.C. Reagan-National - Faro.

What are the most popular airlines that fly from Washington, D.C. Reagan-National Airport to Portugal?

When booking a flight from Washington, D.C. Reagan-National Airport to Portugal, you may want to consider flying on Air Canada, British Airways or Delta as they are the most popular for this route.

How far in advance should I book a flight from Washington, D.C. Reagan-National Airport to Portugal?

Travelers have found it’s best to book a flight 46 days in advance to save up to 37% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 46 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Washington, D.C. Reagan-National Airport to Portugal 1-2 weeks in advance for as low as $1,003, or $1,003 for flights within the next 24 hours.

What is the cheapest month to fly from Washington, D.C. Reagan-National Airport to Portugal?

February can be a great time to fly to Portugal from Washington, D.C. Reagan-National Airport with a flight ticket averaging about $912. Cheapflights users have found deals in the month of February for as cheap as $445. The most expensive prices can be found in the month of December.

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Washington, D.C. Reagan-National Airport to Portugal as you normally would.

Can I find deals for flights from Reagan-National to Portugal that include hotel bookings?

Yes. In addition to deals on Reagan-National to Portugal flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Reagan-National to Portugal?

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

Can I find deals for business class flights from Reagan-National to Portugal?

Yes. Cheapflights offers flight deals from Reagan-National 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.

$725+ Flights from Washington, D.C. Reagan-National Airport to Portugal

Q: What are the cheapest airlines to fly from Washington, D.C. Reagan-National Airport to Portugal one-way?

The cheapest airlines for a one-way flight from Washington, D.C. Reagan-National Airport to Portugal are Iberia ($451), Azores Airlines ($455), and Delta ($455).

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Cheap flight deals from Reagan-National to Portugal

Round-trip from	$516 (Gotogate)
One-way from	$413 (Mytrip)

From Washington, D.C. Reagan-National to Portugal

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One-way flight from Washington, D.C. Reagan-National to Portugal

Search Deals

Find flight deals from Reagan-National to Portugal

Cheapest flights from Reagan-National to Portugal
Explore the most affordable flight options available from Reagan-National to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 16, 2025.

Tue 2/1811:10 amDCA - OPO

2 stops19h 55mAir Canada

Tue 2/256:00 amOPO - DCA

2 stops31h 57mAir Canada

Deal found 1/16

$516

Wed 2/196:59 amDCA - OPO

2 stops30h 41mMultiple Airlines

Wed 2/266:00 amOPO - DCA

2 stops21h 37mMultiple Airlines

Deal found 1/15

$529

Tue 2/1811:10 amDCA - OPO

2 stops19h 30mUnited Airlines

Tue 2/256:00 amOPO - DCA

2 stops31h 57mUnited Airlines

Deal found 1/16

$537

Tue 2/185:15 pmDCA - OPO

2 stops13h 30mAmerican Airlines

Tue 2/258:20 amOPO - DCA

2 stops15h 37mAmerican Airlines

Deal found 1/15

$543

Wed 1/226:09 amDCA - OPO

2 stops23h 41mDelta

Tue 1/286:00 amOPO - DCA

2 stops21h 00mDelta

Deal found 1/15

$573

Fri 1/245:49 pmDCA - OPO

2 stops12h 56mIberia

Tue 1/288:20 amOPO - DCA

2 stops19h 21mIberia

Deal found 1/14

$594

Mon 2/1011:10 amDCA - LIS

3 stops27h 05mMultiple Airlines

Mon 2/1710:00 pmLIS - DCA

3 stops22h 29mMultiple Airlines

Deal found 1/15

$631

Mon 2/2411:35 amDCA - FAO

2 stops19h 20mScandinavian Airlines

Tue 3/412:45 pmFAO - DCA

2 stops38h 15mScandinavian Airlines

Deal found 1/15

$651

Fri 3/1411:39 amDCA - LIS

2 stops27h 11mITA Airways

Sun 3/237:55 pmLIS - DCA

2 stops30h 33mITA Airways

Deal found 1/16

$699

Tue 4/18:30 amDCA - LIS

2 stops19h 50mUnited Airlines

Wed 4/3011:25 amLIS - DCA

2 stops28h 11mUnited Airlines

Deal found 1/16

$783

Sun 2/211:35 amDCA - LIS

2 stops23h 00mScandinavian Airlines

Wed 2/267:00 pmLIS - DCA

2 stops32h 00mScandinavian Airlines

Deal found 1/15

$786

Mon 4/285:49 pmDCA - LIS

2 stops24h 21mFinnair

Wed 5/76:35 amLIS - DCA

2 stops21h 49mFinnair

Deal found 1/16

$797

Best flights from Reagan-National to Portugal
Discover carefully curated flight deals from Reagan-National to Portugal that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated January 16, 2025.

Tue 2/1811:10 amDCA - OPO

2 stops19h 55mAir Canada

Tue 2/256:00 amOPO - DCA

2 stops31h 57mAir Canada

Deal found 1/16

$516

Wed 2/196:59 amDCA - OPO

2 stops30h 41mMultiple Airlines

Wed 2/266:00 amOPO - DCA

2 stops21h 37mMultiple Airlines

Deal found 1/15

$529

Tue 2/1811:10 amDCA - OPO

2 stops19h 30mUnited Airlines

Tue 2/256:00 amOPO - DCA

2 stops31h 57mUnited Airlines

Deal found 1/16

$537

Tue 2/185:15 pmDCA - OPO

2 stops13h 30mAmerican Airlines

Tue 2/258:20 amOPO - DCA

2 stops15h 37mAmerican Airlines

Deal found 1/15

$543

Wed 1/226:09 amDCA - OPO

2 stops23h 41mDelta

Tue 1/286:00 amOPO - DCA

2 stops21h 00mDelta

Deal found 1/15

$573

Fri 1/245:49 pmDCA - OPO

2 stops12h 56mIberia

Tue 1/288:20 amOPO - DCA

2 stops19h 21mIberia

Deal found 1/14

$594

Mon 2/2411:35 amDCA - FAO

2 stops19h 20mScandinavian Airlines

Tue 3/412:45 pmFAO - DCA

2 stops38h 15mScandinavian Airlines

Deal found 1/15

$651

Fri 3/1411:39 amDCA - LIS

2 stops27h 11mITA Airways

Sun 3/237:55 pmLIS - DCA

2 stops30h 33mITA Airways

Deal found 1/16

$699

Wed 3/194:25 pmDCA - OPO

2 stops14h 05mKLM

Tue 4/296:30 amOPO - DCA

2 stops14h 59mKLM

Deal found 1/16

$801

Wed 4/212:17 pmDCA - LIS

2 stops14h 43mAir France

Tue 4/810:00 amLIS - DCA

2 stops13h 59mAir France

Deal found 1/16

$827

Sun 3/164:12 pmDCA - LIS

1 stop12h 43mBritish Airways

Tue 3/257:05 amLIS - DCA

2 stops16h 08mBritish Airways

Deal found 1/16

$847

Thu 2/2712:29 pmDCA - LIS

2 stops26h 51mIcelandair

Mon 3/109:20 pmLIS - DCA

2 stops47h 10mIcelandair

Deal found 1/16

$896

Last-minute flights from Reagan-National to Portugal
Discover last-minute flight deals from Reagan-National to Portugal. Data last updated January 16, 2025 and is based on user searches.

Wed 1/225:49 pmDCA - OPO

2 stops12h 56mBritish Airways

Wed 1/298:20 amOPO - DCA

2 stops15h 54mBritish Airways

Deal found 1/15

$543

Wed 1/226:09 amDCA - OPO

2 stops23h 41mDelta

Tue 1/286:00 amOPO - DCA

2 stops21h 00mDelta

Deal found 1/15

$573

Wed 1/224:10 pmDCA - LIS

2 stops26h 25mMultiple Airlines

Sat 1/259:05 pmLIS - DCA

3 stops28h 55mMultiple Airlines

Deal found 1/15

$803

Wed 1/228:10 pmDCA - OPO

1 stop10h 50mTAP AIR PORTUGAL

Wed 1/298:55 amOPO - DCA

2 stops15h 04mTAP AIR PORTUGAL

Deal found 1/15

$1,143

Thu 1/239:40 amDCA - LIS

2 stops18h 40mAir Canada

Fri 1/3111:00 amLIS - DCA

1 stop13h 57mAir Canada

Deal found 1/16

$936

Thu 1/231:00 pmDCA - LIS

1 stop11h 35mTAP AIR PORTUGAL

Fri 1/315:15 pmLIS - DCA

1 stop30h 44mTAP AIR PORTUGAL

Deal found 1/16

$1,149

Thu 1/231:00 pmDCA - FNC

2 stops19h 30mTAP AIR PORTUGAL

Thu 1/309:15 pmFNC - DCA

2 stops26h 44mTAP AIR PORTUGAL

Deal found 1/16

$1,422

Thu 1/2311:45 amDCA - LIS

1 stop16h 20mBritish Airways

Thu 1/308:20 amLIS - DCA

2 stops16h 39mBritish Airways

Deal found 1/14

$1,785

Fri 1/245:49 pmDCA - OPO

2 stops12h 56mIberia

Tue 1/288:20 amOPO - DCA

2 stops19h 21mIberia

Deal found 1/14

$594

Fri 1/246:50 pmDCA - OPO

3 stops19h 30mMultiple Airlines

Mon 1/278:10 pmOPO - DCA

3 stops24h 19mMultiple Airlines

Deal found 1/15

$759

Sat 1/251:59 pmDCA - LIS

2 stops14h 06mAmerican Airlines

Thu 1/3012:30 pmLIS - DCA

2 stops15h 11mAmerican Airlines

Deal found 1/16

$1,792

Sun 1/268:10 pmDCA - FAO

2 stops22h 40mTAP AIR PORTUGAL

Sat 2/16:05 amFAO - DCA

2 stops17h 54mTAP AIR PORTUGAL

Deal found 1/15

$1,319

One-way flights from Reagan-National to Portugal
Search for one-way flight options from Reagan-National to Portugal. Find affordable one-way fares based on user searches. Data last updated January 16, 2025.

Fri 2/219:40 amDCA - LIS

3 stops31h 35mMultiple Airlines

Deal found 1/15

$413

Thu 2/136:00 amDCA - OPO

3 stops31h 05mMultiple Airlines

Deal found 1/16

$419

Tue 3/1112:37 pmDCA - OPO

2 stops19h 08mIberia

Deal found 1/15

$451

Sat 3/12:35 pmDCA - LIS

2 stops21h 20mAzores Airlines

Deal found 1/15

$455

Wed 1/2912:26 pmDCA - OPO

2 stops17h 24mDelta

Deal found 1/16

$455

Wed 2/1211:10 amDCA - OPO

2 stops19h 55mAir Canada

Deal found 1/16

$459

Mon 2/312:55 pmDCA - OPO

2 stops15h 10mKLM

Deal found 1/16

$460

Sat 2/16:50 pmDCA - OPO

2 stops35h 45mUnited Airlines

Deal found 1/16

$462

Fri 2/2811:37 amDCA - OPO

2 stops15h 03mAmerican Airlines

Deal found 1/15

$501

Fri 3/2811:39 amDCA - FNC

3 stops19h 26mMultiple Airlines

Deal found 1/16

$551

Sun 3/3012:55 pmDCA - LIS

2 stops39h 25mAir Canada

Deal found 1/16

$583

Wed 3/1212:17 pmDCA - LIS

2 stops15h 43mDelta

Deal found 1/16

$588

Find flights from Reagan-National to Portugal within your budget

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Porto

DCA - OPO

DCAOPO

Washington, D.C. Reagan-National

Tue 2/18

11:10 am-12:05 pm

2 stops19h 55m

Porto

Tue 2/25

6:00 am-8:57 am

2 stops31h 57m

$516

Washington, D.C.Porto

DCA - OPO

DCAOPO

Washington, D.C. Reagan-National

Wed 2/19

6:59 am-6:40 pm

2 stops30h 41m

Porto

Wed 2/26

6:00 am-10:37 pm

2 stops21h 37m

$529

Washington, D.C.Porto

DCA - OPO

DCAOPO

Washington, D.C. Reagan-National

Tue 2/18

11:10 am-11:40 am

2 stops19h 30m

Porto

Tue 2/25

6:00 am-8:57 am

2 stops31h 57m

$537

Washington, D.C.Porto

DCA - OPO

DCAOPO

Washington, D.C. Reagan-National

Tue 2/18

10:13 am-7:40 am

2 stops16h 27m

Porto

Tue 2/25

8:20 am-6:57 pm

2 stops15h 37m

$543

Washington, D.C.Lisbon

DCA - LIS

DCALIS

Washington, D.C. Reagan-National

Mon 2/10

11:10 am-7:15 pm

3 stops27h 05m

Lisbon Humberto Delgado

Mon 2/17

10:00 pm-3:29 pm

3 stops22h 29m

$631

Washington, D.C.Faro

DCA - FAO

DCAFAO

Washington, D.C. Reagan-National

Mon 2/24

11:35 am-11:55 am

2 stops19h 20m

Faro

Tue 3/4

12:45 pm-10:00 pm

2 stops38h 15m

$651

Washington, D.C.Lisbon

DCA - LIS

DCALIS

Washington, D.C. Reagan-National

Fri 3/14

11:39 am-6:50 pm

2 stops27h 11m

Lisbon Humberto Delgado

Sun 3/23

7:55 pm-10:28 pm

2 stops30h 33m

$699

Washington, D.C.Porto

DCA - OPO

DCAOPO

Washington, D.C. Reagan-National

Sun 3/30

12:10 pm-10:40 am

2 stops17h 30m

Porto

Sun 4/6

9:20 am-11:44 pm

2 stops19h 24m

$714

Washington, D.C.Porto

DCA - OPO

DCAOPO

Washington, D.C. Reagan-National

Tue 2/4

5:49 pm-11:45 am

2 stops12h 56m

Porto

Tue 2/18

12:25 pm-10:35 pm

2 stops15h 10m

$741

Washington, D.C.Funchal

DCA - FNC

DCAFNC

Washington, D.C. Reagan-National

Sat 3/15

11:10 am-7:35 pm

3 stops28h 25m

Funchal Madeira

Sat 3/22

8:25 pm-10:37 pm

3 stops30h 12m

$779

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/16

Showing 1-10 of 60 results

...

Best time to book a flight from Reagan-National to Portugal

Have a flexible travel schedule? Discover the best time to fly to Portugal from Reagan-National 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.

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 3/2. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Reagan-National to Portugal with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Reagan-National to Portugal

Round-trip from

One-way from

Find flight deals from Reagan-National to Portugal

Cheapest flights from Reagan-National to Portugal
Explore the most affordable flight options available from Reagan-National to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 16, 2025.

Explore the most affordable flight options available from Reagan-National to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 16, 2025.

Best flights from Reagan-National to Portugal
Discover carefully curated flight deals from Reagan-National to Portugal that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated January 16, 2025.

Discover carefully curated flight deals from Reagan-National to Portugal that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated January 16, 2025.

Last-minute flights from Reagan-National to Portugal
Discover last-minute flight deals from Reagan-National to Portugal. Data last updated January 16, 2025 and is based on user searches.

Discover last-minute flight deals from Reagan-National to Portugal. Data last updated January 16, 2025 and is based on user searches.

One-way flights from Reagan-National to Portugal
Search for one-way flight options from Reagan-National to Portugal. Find affordable one-way fares based on user searches. Data last updated January 16, 2025.

Search for one-way flight options from Reagan-National to Portugal. Find affordable one-way fares based on user searches. Data last updated January 16, 2025.

Find flights from Reagan-National to Portugal within your budget

Best time to book a flight from Reagan-National to Portugal

Have a flexible travel schedule? Discover the best time to fly to Portugal from Reagan-National with our price prediction graph.

Travel insights for flights from Reagan-National to Portugal

Get recent, data-driven insights about flights from Reagan-National to Portugal including ideal travel times, pricing trends, and more.

$401+ Cheap flights from Reagan-National (DCA) 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 3/2. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Reagan-National to Portugal with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Reagan-National to Portugal

Round-trip from

One-way from

Find flight deals from Reagan-National to Portugal

Cheapest flights from Reagan-National to PortugalExplore the most affordable flight options available from Reagan-National to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 16, 2025.

Explore the most affordable flight options available from Reagan-National to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 16, 2025.

Find flights from Reagan-National to Portugal within your budget

Best time to book a flight from Reagan-National to Portugal

Have a flexible travel schedule? Discover the best time to fly to Portugal from Reagan-National with our price prediction graph.

Travel insights for flights from Reagan-National to Portugal

Get recent, data-driven insights about flights from Reagan-National to Portugal including ideal travel times, pricing trends, and more.

Cheapest flights from Reagan-National to Portugal
Explore the most affordable flight options available from Reagan-National to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 16, 2025.