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Cheap flights from Washington, D.C. Reagan-National Airport to Portugal from $322

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Reagan-National Airport to Portugal departing on 10/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Washington, D.C. Reagan-National Airport to Portugal

Cheap round-trip flights

Enter your travel dates to find the best prices.
KLM Logo
12:05 pm - 9:30 am
DCA
-
FAO
16h 25m
2 stops
KLM Logo
2:40 pm - 4:31 pm
FAO
-
DCA
30h 51m
2 stops
$764KLM
Tue, Nov 10 - Wed, Nov 18
United Airlines Logo
3:10 pm - 8:40 am
DCA
-
PDL
13h 30m
1 stop
United Airlines Logo
11:00 am - 7:49 am
PDL
-
DCA
24h 49m
1 stop
$769United Airlines
Mon, Aug 10 - Wed, Aug 19
United Airlines Logo
6:00 am - 8:40 am
DCA
-
PDL
22h 40m
1 stop
United Airlines Logo
11:00 am - 10:44 am
PDL
-
DCA
27h 44m
1 stop
$772United Airlines
Mon, Aug 10 - Wed, Aug 19
United Airlines Logo
6:00 am - 8:40 am
DCA
-
PDL
22h 40m
1 stop
United Airlines Logo
11:00 am - 10:44 am
PDL
-
DCA
27h 44m
1 stop
$776United Airlines
Mon, Aug 10 - Wed, Aug 19
Air Canada Logo
12:40 pm - 8:20 am
DCA
-
PDL
39h 40m
2 stops
Air Canada Logo
9:35 am - 12:00 pm
PDL
-
DCA
30h 25m
2 stops
$778Air Canada
Mon, Aug 17 - Wed, Aug 26
Multiple Airlines Logo
9:40 am - 7:55 pm
DCA
-
FAO
29h 15m
2 stops
Multiple Airlines Logo
8:20 pm - 9:48 pm
FAO
-
DCA
30h 28m
2 stops
$784Multiple Airlines
Mon, Aug 24 - Mon, Aug 31
Iberia Logo
4:59 pm - 4:00 pm
DCA
-
OPO
18h 01m
2 stops
Iberia Logo
8:20 am - 9:30 pm
OPO
-
DCA
18h 10m
2 stops
$823Iberia
Sun, Sep 6 - Wed, Sep 16
Iberia Logo
4:59 pm - 4:00 pm
DCA
-
OPO
18h 01m
2 stops
Iberia Logo
8:40 pm - 8:06 pm
OPO
-
DCA
28h 26m
2 stops
$837Iberia
Wed, Sep 9 - Sun, Sep 13
Lufthansa Logo
5:55 pm - 8:40 am
DCA
-
PDL
10h 45m
1 stop
Lufthansa Logo
9:35 am - 10:31 pm
PDL
-
DCA
16h 56m
1 stop
$839Lufthansa
Sun, Jul 19 - Wed, Jul 29
Air Canada Logo
11:00 am - 8:20 am
DCA
-
PDL
17h 20m
1 stop
Air Canada Logo
9:35 am - 12:00 pm
PDL
-
DCA
30h 25m
2 stops
$843Air Canada
Tue, Aug 25 - Wed, Sep 2

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Air Canada flights from Washington, D.C. Reagan-National Airport to Portugal

Our best Air Canada deals on Washington, D.C. Reagan-National Airport to Portugal flight tickets
Air Canada
Aug 17
DCA12:40 pmWashington, D.C. Reagan-National
39h 40m
2 stops
PDL8:20 amPonta Delgada Nordela
Aug 26
PDL9:35 amPonta Delgada Nordela
30h 25m
2 stops
DCA12:00 pmWashington, D.C. Reagan-National
$778
Air Canada
Jul 14
DCA6:59 amWashington, D.C. Reagan-National
21h 21m
1 stop
PDL8:20 amPonta Delgada Nordela
Jul 24
PDL9:35 amPonta Delgada Nordela
30h 25m
2 stops
DCA12:00 pmWashington, D.C. Reagan-National
$843
Air Canada
Aug 25
DCA6:00 amWashington, D.C. Reagan-National
22h 20m
2 stops
PDL8:20 amPonta Delgada Nordela
Sep 2
PDL9:35 amPonta Delgada Nordela
30h 25m
2 stops
DCA12:00 pmWashington, D.C. Reagan-National
$846

Air France flights from Washington, D.C. Reagan-National Airport to Portugal

Our best Air France deals on Washington, D.C. Reagan-National Airport to Portugal flight tickets
Air France
Aug 16
DCA11:00 amWashington, D.C. Reagan-National
18h 25m
1 stop
OPO10:25 amPorto
Aug 25
OPO12:25 pmPorto
15h 34m
1 stop
DCA10:59 pmWashington, D.C. Reagan-National
$870
Air France
Oct 14
DCA11:05 amWashington, D.C. Reagan-National
15h 55m
1 stop
LIS8:00 amLisbon Humberto Delgado
Oct 18
LIS12:45 pmLisbon Humberto Delgado
15h 52m
1 stop
DCA11:37 pmWashington, D.C. Reagan-National
$1,051
Air France
Jul 15
DCA11:00 amWashington, D.C. Reagan-National
18h 30m
1 stop
OPO10:30 amPorto
Aug 6
OPO1:25 pmPorto
14h 34m
1 stop
DCA10:59 pmWashington, D.C. Reagan-National
$1,164

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Reagan-National Airport to Portugal that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated July 5, 2026.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Portugal that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Faro

DCA - FAO

DCAFAO

Washington, D.C. Reagan-National

Tue 11/10

12:05 pm-9:30 am

2 stops16h 25m

Faro

Wed 11/18

2:40 pm-4:31 pm

2 stops30h 51m

$764

Washington, D.C.Ponta Delgada

DCA - PDL

DCAPDL

Washington, D.C. Reagan-National

Mon 8/10

3:10 pm-8:40 am

1 stop13h 30m

Ponta Delgada Nordela

Wed 8/19

11:00 am-7:49 am

1 stop24h 49m

$769

Washington, D.C.Ponta Delgada

DCA - PDL

DCAPDL

Washington, D.C. Reagan-National

Mon 8/10

6:00 am-8:40 am

1 stop22h 40m

Ponta Delgada Nordela

Wed 8/19

11:00 am-10:44 am

1 stop27h 44m

$772

Washington, D.C.Ponta Delgada

DCA - PDL

DCAPDL

Washington, D.C. Reagan-National

Mon 8/10

6:00 am-8:40 am

1 stop22h 40m

Ponta Delgada Nordela

Wed 8/19

11:00 am-10:44 am

1 stop27h 44m

$776

Washington, D.C.Ponta Delgada

DCA - PDL

DCAPDL

Washington, D.C. Reagan-National

Mon 8/17

12:40 pm-8:20 am

2 stops39h 40m

Ponta Delgada Nordela

Wed 8/26

9:35 am-12:00 pm

2 stops30h 25m

$778

Washington, D.C.Faro

DCA - FAO

DCAFAO

Washington, D.C. Reagan-National

Mon 8/24

9:40 am-7:55 pm

2 stops29h 15m

Faro

Mon 8/31

8:20 pm-9:48 pm

2 stops30h 28m

$784

Washington, D.C.Porto

DCA - OPO

DCAOPO

Washington, D.C. Reagan-National

Sun 9/6

4:59 pm-4:00 pm

2 stops18h 01m

Porto

Wed 9/16

8:20 am-9:30 pm

2 stops18h 10m

$823

Washington, D.C.Porto

DCA - OPO

DCAOPO

Washington, D.C. Reagan-National

Wed 9/9

4:59 pm-4:00 pm

2 stops18h 01m

Porto

Sun 9/13

8:40 pm-8:06 pm

2 stops28h 26m

$837
Quickest round-trip

Washington, D.C.Ponta Delgada

DCA - PDL

DCAPDL

Washington, D.C. Reagan-National

Sun 7/19

5:55 pm-8:40 am

1 stop10h 45m

Ponta Delgada Nordela

Wed 7/29

9:35 am-10:31 pm

1 stop16h 56m

$839

Washington, D.C.Ponta Delgada

DCA - PDL

DCAPDL

Washington, D.C. Reagan-National

Tue 8/25

11:00 am-8:20 am

1 stop17h 20m

Ponta Delgada Nordela

Wed 9/2

9:35 am-12:00 pm

2 stops30h 25m

$843

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Portugal from

How to get the cheapest flight ticket from Washington, D.C. Reagan-National Airport 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

What is the cheapest month to fly to Portugal?

The cheapest month to fly to Portugal from Washington, D.C. Reagan-National Airport is in December. Flight prices, which tend to average around $0, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of December, then book flights to Portugal from Washington, D.C. Reagan-National Airport during April instead. Flights to Portugal in April, while not as cheap as those in December, still average around $0.

Can stopping save me money on Washington, D.C. Reagan-National Airport to Portugal flights?

You could potentially save up to 26% on your flight if you consider stops on a Washington, D.C. Reagan-National Airport to Portugal flight.

Cheap Washington, D.C. Reagan-National Airport to Portugal flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Reagan-National Airport to Portugal

Fastest flight time

9h 30m

Direct flights

None
The fastest flight from Washington, D.C. Reagan-National Airport to Portugal takes 9h 30m
There are no direct flights from Washington, D.C. Reagan-National Airport to Portugal. There are no popular flight routes from Washington, D.C. Reagan-National Airport to Portugal.
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Frequently asked questions about flying from Washington, D.C. Reagan-National Airport to Portugal

  • When did momondo last update prices for flights from Washington, D.C. Reagan-National Airport to Portugal?

    Prices for flights from Washington, D.C. Reagan-National Airport to Portugal are refreshed on a daily basis.

  • How many operators does momondo search for flights from Washington, D.C. Reagan-National Airport to Portugal?

  • How old do you have to be to fly from Washington, D.C. Reagan-National Airport to Portugal?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. Reagan-National Airport to Portugal.

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

    The required travel and health documents for your Portugal trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Portugal. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Washington, D.C. Reagan-National Airport to Portugal

Compare and see reviews for airlines that fly from Washington, D.C. Reagan-National Airport to Portugal with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $673Free CancellationRating
7.4
9,933 reviews
Search United Airlines flights

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Why should I use momondo to find a flight deal from Washington, D.C. to Portugal?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Washington, D.C. to Portugal. momondo saves you time and could save you money on your trip.

Can I find flights from Washington, D.C. to Portugal with flexible booking policies on momondo?

All flight searches from Washington, D.C. to Portugal on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Washington, D.C. to Portugal?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Washington, D.C. to Portugal.

I’m not ready to book a flight from Washington, D.C. to Portugal right now. Can momondo alert me if prices change?

Price alerts on flights to Portugal from Washington, D.C. 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.

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