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Cheap flights from Washington, D.C. Reagan-National Airport to Portugal from $344

1 adult
1 adult, Economy, 0 bags

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.
Air Canada Logo
9:40 am - 9:20 amDCA  Washington, D.C. Reagan-National-LIS Lisbon Humberto Delgado
18h 40m1 stop Toronto Pearson Intl
Air Canada Logo
12:50 pm - 3:24 pmLIS  Lisbon Humberto Delgado-DCA Washington, D.C. Reagan-National
31h 34m1 stop Montreal Pierre Elliott Trudeau Intl
$708Air Canada
Tue, Dec 1 - Tue, Dec 8
Air Canada Logo
8:45 pm - 6:55 amDCA  Washington, D.C. Reagan-National-LIS Lisbon Humberto Delgado
29h 10m2 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
11:20 am - 6:18 pmLIS  Lisbon Humberto Delgado-DCA Washington, D.C. Reagan-National
11h 58m1 stop Toronto Pearson Intl
$713Air Canada
Tue, Dec 1 - Tue, Dec 8
Multiple Airlines Logo
7:00 pm - 9:45 amDCA  Washington, D.C. Reagan-National-OPO Porto
9h 45m1 stop Newark
Multiple Airlines Logo
6:20 am - 10:19 amOPO  Porto-DCA Washington, D.C. Reagan-National
32h 59m2 stops Munich Franz Josef Strauss Montreal Pierre Elliott Trudeau Intl
$723Multiple Airlines
Sun, Apr 18 - Fri, Apr 23
Air Canada Logo
6:00 am - 12:05 pmDCA  Washington, D.C. Reagan-National-OPO Porto
26h 05m2 stops Montreal Pierre Elliott Trudeau Intl Brussels Bruxelles-National
Air Canada Logo
6:20 am - 9:55 pmOPO  Porto-DCA Washington, D.C. Reagan-National
20h 35m2 stops Munich Franz Josef Strauss Montreal Pierre Elliott Trudeau Intl
$724Air Canada
Mon, Mar 22 - Tue, Mar 30
Iberia Logo
1:56 pm - 4:00 pmDCA  Washington, D.C. Reagan-National-OPO Porto
21h 04m2 stops New York John F Kennedy Intl Madrid Barajas
Iberia Logo
12:25 pm - 10:17 pmOPO  Porto-DCA Washington, D.C. Reagan-National
14h 52m2 stops Madrid Barajas New York John F Kennedy Intl
$726Iberia
Sun, Apr 18 - Fri, Apr 23
Air Canada Logo
4:00 pm - 12:05 pmDCA  Washington, D.C. Reagan-National-OPO Porto
15h 05m2 stops Montreal Pierre Elliott Trudeau Intl Brussels Bruxelles-National
Air Canada Logo
6:00 am - 8:58 amOPO  Porto-DCA Washington, D.C. Reagan-National
31h 58m2 stops Frankfurt am Main Toronto Pearson Intl
$727Air Canada
Mon, Feb 1 - Thu, Feb 4
United Airlines Logo
2:00 pm - 9:45 amDCA  Washington, D.C. Reagan-National-OPO Porto
14h 45m1 stop Newark
United Airlines Logo
6:00 am - 5:23 pmOPO  Porto-DCA Washington, D.C. Reagan-National
16h 23m2 stops Frankfurt am Main Newark
$728United Airlines
Sun, Apr 11 - Wed, Apr 28
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
$728United Airlines
Mon, Apr 12 - Thu, Apr 29
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 - 5:23 pmOPO  Porto-DCA Washington, D.C. Reagan-National
16h 23m2 stops Frankfurt am Main Newark
$728United Airlines
Tue, Apr 13 - Tue, Apr 27
United Airlines Logo
6:00 pm - 9:45 amDCA  Washington, D.C. Reagan-National-OPO Porto
10h 45m1 stop Newark
United Airlines Logo
6:00 am - 5:23 pmOPO  Porto-DCA Washington, D.C. Reagan-National
16h 23m2 stops Frankfurt am Main Newark
$728United Airlines
Mon, Apr 12 - Wed, Apr 28

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

Our best KLM deals on Washington, D.C. Reagan-National Airport to Portugal flight tickets
KLM
Dec 3
DCA7:40 pmWashington, D.C. Reagan-National
14h 45m
2 stops
OPO3:25 pmPorto
Dec 8
OPO5:00 amPorto
16h 38m
2 stops
DCA4:38 pmWashington, D.C. Reagan-National
$788
KLM
Dec 9
DCA5:02 pmWashington, D.C. Reagan-National
9h 58m
1 stop
LIS8:00 amLisbon Humberto Delgado
Feb 24
LIS11:15 amLisbon Humberto Delgado
12h 57m
1 stop
DCA7:12 pmWashington, D.C. Reagan-National
$799
KLM
Dec 1
DCA3:30 pmWashington, D.C. Reagan-National
12h 30m
1 stop
LIS9:00 amLisbon Humberto Delgado
Dec 9
LIS10:00 amLisbon Humberto Delgado
11h 31m
1 stop
DCA4:31 pmWashington, D.C. Reagan-National
$809

United Airlines flights from Washington, D.C. Reagan-National Airport to Portugal

Our best United Airlines deals on Washington, D.C. Reagan-National Airport to Portugal flight tickets
United Airlines
Apr 11
DCA2:00 pmWashington, D.C. Reagan-National
14h 45m
1 stop
OPO9:45 amPorto
Apr 30
OPO6:00 amPorto
16h 23m
2 stops
DCA5:23 pmWashington, D.C. Reagan-National
$728
United Airlines
Dec 9
DCA11:25 amWashington, D.C. Reagan-National
17h 05m
1 stop
OPO9:30 amPorto
Dec 16
OPO6:00 amPorto
20h 57m
2 stops
DCA9:57 pmWashington, D.C. Reagan-National
$734
United Airlines
Nov 25
DCA10:59 amWashington, D.C. Reagan-National
17h 31m
1 stop
OPO9:30 amPorto
Dec 2
OPO12:35 pmPorto
38h 24m
2 stops
DCA9:59 pmWashington, D.C. Reagan-National
$759

momondo Fare Finder

 
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.Lisbon

DCA Washington, D.C. Reagan-National - LIS Lisbon Humberto Delgado

DCALIS

Washington, D.C. Reagan-National

Tue 12/1

9:40 am-9:20 am

1 stop18h 40m

Lisbon Humberto Delgado

Tue 12/8

12:50 pm-3:24 pm

1 stop31h 34m

$708

Washington, D.C.Lisbon

DCA Washington, D.C. Reagan-National - LIS Lisbon Humberto Delgado

DCALIS

Washington, D.C. Reagan-National

Tue 12/1

8:45 pm-6:55 am

2 stops29h 10m

Lisbon Humberto Delgado

Tue 12/8

11:20 am-6:18 pm

1 stop11h 58m

$713

Washington, D.C.Porto

DCA Washington, D.C. Reagan-National - OPO Porto

DCAOPO

Washington, D.C. Reagan-National

Sun 4/18

7:00 pm-9:45 am

1 stop9h 45m

Porto

Fri 4/23

6:20 am-10:19 am

2 stops32h 59m

$723

Washington, D.C.Porto

DCA Washington, D.C. Reagan-National - OPO Porto

DCAOPO

Washington, D.C. Reagan-National

Mon 3/22

6:00 am-12:05 pm

2 stops26h 05m

Porto

Tue 3/30

6:20 am-9:55 pm

2 stops20h 35m

$724

Washington, D.C.Porto

DCA Washington, D.C. Reagan-National - OPO Porto

DCAOPO

Washington, D.C. Reagan-National

Sun 4/18

1:56 pm-4:00 pm

2 stops21h 04m

Porto

Fri 4/23

12:25 pm-10:17 pm

2 stops14h 52m

$726

Washington, D.C.Porto

DCA Washington, D.C. Reagan-National - OPO Porto

DCAOPO

Washington, D.C. Reagan-National

Mon 2/1

4:00 pm-12:05 pm

2 stops15h 05m

Porto

Thu 2/4

6:00 am-8:58 am

2 stops31h 58m

$727

Washington, D.C.Porto

DCA Washington, D.C. Reagan-National - OPO Porto

DCAOPO

Washington, D.C. Reagan-National

Sun 4/11

2:00 pm-9:45 am

1 stop14h 45m

Porto

Wed 4/28

6:00 am-5:23 pm

2 stops16h 23m

$728

Washington, D.C.Porto

DCA Washington, D.C. Reagan-National - OPO Porto

DCAOPO

Washington, D.C. Reagan-National

Mon 4/12

7:00 pm-9:45 am

1 stop9h 45m

Porto

Thu 4/29

6:00 am-6:23 pm

2 stops17h 23m

$728
Quickest round-trip

Washington, D.C.Porto

DCA Washington, D.C. Reagan-National - OPO Porto

DCAOPO

Washington, D.C. Reagan-National

Tue 4/13

7:00 pm-9:45 am

1 stop9h 45m

Porto

Tue 4/27

6:00 am-5:23 pm

2 stops16h 23m

$728

Washington, D.C.Porto

DCA Washington, D.C. Reagan-National - OPO Porto

DCAOPO

Washington, D.C. Reagan-National

Mon 4/12

6:00 pm-9:45 am

1 stop10h 45m

Porto

Wed 4/28

6:00 am-5:23 pm

2 stops16h 23m

$728

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 13% 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

Best Price Found

$344

Fastest flight time

9h 25m

Direct flights

None
The best one-way flight to Portugal from Washington, D.C. Reagan-National Airport in the past 72 hours is $344. The best round-trip flight deal from Washington, D.C. Reagan-National Airport to Portugal found on momondo in the last 72 hours is $708.
The fastest flight from Washington, D.C. Reagan-National Airport to Portugal takes 9h 25m
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 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.

Why use momondo?

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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