$338 Find Cheap Flights from Reagan Washington National Airport to Portugal - Compare and Save

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Cheap Flights from Reagan-National to Portugal

Cheapest round-trip prices found by our users on KAYAK in the last 5 days
Lisbon
Lisbon2 stops$755
Porto
Porto1 stop$728
Faro
Faro2 stops$1,023
Ponta Delgada
Ponta Delgada1 stop$838
Funchal
Funchal2 stops$985
Lisbon
Lisbon2 stops$755
Porto
Porto1 stop$728
Faro
Faro2 stops$1,023
Ponta Delgada
Ponta Delgada1 stop$838
Funchal
Funchal2 stops$985

Book Cheap Reagan-National to Portugal Plane Tickets

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Reagan-National to Portugal

Sun, Apr 11 - Tue, Apr 20
Multiple Airlines Logo
12:30 pm - 9:45 amDCA  Washington, D.C. Reagan-National-OPO Porto
16h 15m1 stop Newark
Multiple Airlines Logo
11:05 am - 9:55 pmOPO  Porto-DCA Washington, D.C. Reagan-National
15h 50m2 stops Munich Franz Josef Strauss Montreal Pierre Elliott Trudeau Intl
$728Multiple Airlines
Sun, Apr 11 - Tue, Apr 20
Multiple Airlines Logo
12:30 pm - 9:45 amDCA  Washington, D.C. Reagan-National-OPO Porto
16h 15m1 stop Newark
Multiple Airlines Logo
11:05 am - 9:55 pmOPO  Porto-DCA Washington, D.C. Reagan-National
15h 50m2 stops Munich Franz Josef Strauss Montreal Pierre Elliott Trudeau Intl
$728Multiple Airlines
Mon, Apr 12 - Thu, Apr 15
United Airlines Logo
1:00 pm - 9:45 amDCA  Washington, D.C. Reagan-National-OPO Porto
15h 45m1 stop Newark
United Airlines Logo
12:00 pm - 10:33 pmOPO  Porto-DCA Washington, D.C. Reagan-National
15h 33m2 stops Frankfurt am Main Toronto Pearson Intl
$731United Airlines
Sun, Apr 11 - Thu, Apr 15
United Airlines Logo
12:00 pm - 9:45 amDCA  Washington, D.C. Reagan-National-OPO Porto
16h 45m1 stop Newark
United Airlines Logo
12:00 pm - 10:33 pmOPO  Porto-DCA Washington, D.C. Reagan-National
15h 33m2 stops Frankfurt am Main Toronto Pearson Intl
$731United Airlines
Tue, Feb 16 - Fri, Feb 26
Multiple Airlines Logo
12:59 pm - 7:40 amDCA  Washington, D.C. Reagan-National-OPO Porto
13h 41m2 stops Charlotte Douglas Madrid Barajas
Multiple Airlines Logo
12:25 pm - 11:09 pmOPO  Porto-DCA Washington, D.C. Reagan-National
15h 44m2 stops Madrid Barajas Boston Logan Intl
$731Multiple Airlines
Tue, Feb 16 - Fri, Feb 26
Multiple Airlines Logo
12:59 pm - 7:40 amDCA  Washington, D.C. Reagan-National-OPO Porto
13h 41m2 stops Charlotte Douglas Madrid Barajas
Multiple Airlines Logo
8:20 am - 8:56 pmOPO  Porto-DCA Washington, D.C. Reagan-National
17h 36m2 stops Madrid Barajas Chicago O'Hare Intl
$731Multiple Airlines
Sun, Apr 11 - Tue, Apr 20
Multiple Airlines Logo
1:56 pm - 7:40 amDCA  Washington, D.C. Reagan-National-OPO Porto
12h 44m2 stops New York John F Kennedy Intl Madrid Barajas
Multiple Airlines Logo
8:20 am - 6:58 pmOPO  Porto-DCA Washington, D.C. Reagan-National
15h 38m2 stops Madrid Barajas New York John F Kennedy Intl
$731Multiple Airlines
Sun, Apr 11 - Tue, Apr 20
Multiple Airlines Logo
1:56 pm - 7:40 amDCA  Washington, D.C. Reagan-National-OPO Porto
12h 44m2 stops New York John F Kennedy Intl Madrid Barajas
Multiple Airlines Logo
8:20 am - 6:58 pmOPO  Porto-DCA Washington, D.C. Reagan-National
15h 38m2 stops Madrid Barajas New York John F Kennedy Intl
$731Multiple Airlines
Sun, Apr 11 - Fri, Apr 16
United Airlines Logo
12:00 pm - 9:45 amDCA  Washington, D.C. Reagan-National-OPO Porto
16h 45m1 stop Newark
United Airlines Logo
6:00 am - 7:33 pmOPO  Porto-DCA Washington, D.C. Reagan-National
18h 33m2 stops Frankfurt am Main Newark
$733United Airlines
Sun, Apr 11 - Wed, Apr 14
United Airlines Logo
7:00 pm - 9:45 amDCA  Washington, D.C. Reagan-National-OPO Porto
9h 45m1 stop Newark
United Airlines Logo
6:00 am - 6:23 pmOPO  Porto-DCA Washington, D.C. Reagan-National
17h 23m2 stops Frankfurt am Main Newark
$733United Airlines
Booking Insights

Price, demand and travel trends for Washington, D.C. Reagan-National Airport to Portugal flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

What are the cheapest fares from Washington, D.C. Reagan-National Airport to Portugal right now?

Here are the cheapest round-trip fares from Washington, D.C. Reagan-National Airport to Portugal on KAYAK in the last week:

• Porto (OPO) from $728
• Lisbon Humberto Delgado (LIS) from $755
• Ponta Delgada Nordela (PDL) from $926
• Funchal Madeira (FNC) from $985
• Faro (FAO) from $1,023

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

September is the cheapest time of year to fly, with average fares of $926. Prices are highest in March, when average flight costs increase to around $1,607.

Which airport in Portugal is the cheapest to fly to from Washington, D.C. Reagan-National Airport?

Based on KAYAK data from the past 12 months, the cheapest airports to fly into Portugal are:

• Porto (OPO) (avg. price $928)
• Faro (FAO) (avg. price $1,280)
• Ponta Delgada Nordela (PDL) (avg. price $1,301)

What’s the cheapest day to fly from Washington, D.C. Reagan-National Airport to Portugal?

Tuesday tends to be the cheapest day to fly from Washington, D.C. Reagan-National Airport to Portugal, while Thursday is the most expensive. Fares run about 35% higher that day, based on the past 12 months of KAYAK data.

What's the cheapest time of day to fly from Washington, D.C. Reagan-National Airport to Portugal?

Data from the past 12 months shows it's cheapest to fly to Portugal during the morning with average prices of $863. The evening is the most expensive time to fly, with average prices of $1,250.

Find deals

Key details for Washington, D.C. Reagan-National Airport to Portugal flights

Low season

January

Cheapest flight

$338
Beat the crowds with an average 71% drop in travelers.
The most popular month to fly with an average 127% increase in travelers.
One-way flight from Washington, D.C. Reagan-National Airport to Porto

Your Washington, D.C. Reagan-National Airport to Portugal flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • Is now a good time to book a flight from Washington, D.C. Reagan-National Airport to Portugal?

    Yes. Fares from Washington, D.C. Reagan-National Airport to Portugal are low right now. As a rule of thumb, a round-trip under $858 (cheaper than most fares this year) is a good deal, so if you spot one at or below that, it's a good time to book.

  • How much should I budget for a flight from Washington, D.C. Reagan-National Airport to Portugal?

    Over the past 12 months, round-trip fares from Washington, D.C. Reagan-National Airport to Portugal have ranged from $858 to $1,433.

  • What are the main airports serving Portugal?

    Portugal has 15 airports. The three busiest are Lisbon Humberto Delgado (LIS) (47% of arrivals), Porto (OPO) (42%) and Ponta Delgada Nordela (PDL) (8%).

  • What airlines fly nonstop from Washington, D.C. Reagan-National Airport to Portugal?

    Based on the flight schedule for the next 3 months, no airline regularly operates nonstop flights from Washington, D.C. Reagan-National Airport to Portugal. However, Delta offers a one-stop option.

  • Which cabin classes are available on flights from Washington, D.C. Reagan-National Airport to Portugal?

    On flights from Washington, D.C. Reagan-National Airport to Portugal you can book Economy Class, Business Class or First Class.

  • What are some popular landmarks in Portugal?

    KAYAK travelers' favorite landmarks in Portugal include:

    • Chiado
    • Ribeira Square
    • Avenida dos Aliados
    • Commerce Square

Your guide to booking Washington, D.C. Reagan-National Airport to Portugal flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your travel dates are flexible, book your trip for September when flights are typically cheapest and avoid March when prices are at their highest.
  • Flying on Tuesday is usually the cheapest. Flights on Thursday cost about 35% more on average, so being flexible with your travel dates could help you save.
  • If you're looking to save, Porto (OPO) is the cheapest airport to fly into from Washington, D.C. Reagan-National Airport. If you have onward travel, don't forget to factor in the cost of your journey by train, bus or domestic flight.
  • Start your trip in Lisbon, which is the most popular destination in Portugal. From there, it's easy to continue on to other popular destinations such as Porto, Albufeira and Funchal.

Reviews of the top airline flying from Reagan-National to Portugal

 
Need help choosing which airline to fly with from Reagan-National to Portugal? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.3
United AirlinesOverall score based on 10461 reviews
7.7Boarding
7.3Comfort
6.7Food
7.1Entertainment
8.1Crew
Airline reviews

The couple in front of me were constantly talking over the announcement from the captain and this was annoying me.

8.0 Excellent72Yonatan, Oct 2026
Read more United Airlines reviews

The couple in front of me were constantly talking over the announcement from the captain and this was annoying me.

Flight attendant incredibly rude. Stuck her finger in my drink and didn’t even have the courtesy to apologize.

Over 5 hour delay with minimal updates or ability to standby for alternative flights. During boarding and 1 hr+ wait for takeoff, seats were drenched w water from air conditioning condensation and always leftover crumbs on carpet and seats

After arriving in Chicago, we were taxiing for 1.5 hours with infrequent and untruthful updates about the amount of time it would take to arrive at the gate. Minimally, the team could have provided timing expectations that were more truthful, especially one their original expectations were not met.

Wonderful. Quick boarding. Early departure and we arrived 30 minutes early at our destination. Unfortunately, when you arrive early, there is still a departing aircraft at our gate. We had to park for 30 minutes until the gate was clear. So our early arrival was not really early at the gate. Otherwise it was a quick and smooth flight. Appreciated the efficiency.

Never nice, United Express partners always do an amazing job.

Being stick waiting for gate at ORD cause me to almost miss my connecting flight…being deaf United made no no effort to keep me updated as I couldn’t hear the PA

The flight was on time and the crew were great.

I was forced to gate check my carry on luggage. Somehow it did not arrive at my destination. I still have yet to receive my bag r days after arrival.

Boarding area is a mess. Lines not bounded and gate area too small. Food options (on this specific flight) were poor and you couldn’t pick part of it since it was like a mash of chicken and other unrecognisable stuff. Comfort of seats along with child noise made it difficult to get a good sleep. Last, the flight attendant that served my aisle was rude (others seemed fine) towards me and others.

More options for your flight from Reagan-National to Portugal

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