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Reagan-National

$350+ Cheap flights from Porto (OPO) to Reagan-National (DCA)

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 3/1. Fares are subject to change and may not be available on all flights or dates of travel.
OPO — DCA
dic. 10 — dic. 171
mié. 12/10
mié. 12/17
1 adult, Economy
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Find flight deals from Porto to Reagan-National

Cheapest flights from Porto to Reagan-National
Explore the most affordable flight options available from Porto to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on noviembre 10, 2025.

This Air France deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/196:00 amOPO - DCA
2 stops16h 00mMultiple Airlines
mar. 12/22:55 pmDCA - OPO
2 stops14h 35mMultiple Airlines
Deal found 11/9$599
This Delta deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/276:35 amOPO - DCA
2 stops19h 40mDelta
mié. 12/107:40 pmDCA - OPO
2 stops14h 45mDelta
Deal found 11/9$621
This United Airlines deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/1612:35 pmOPO - DCA
1 stop11h 29mUnited Airlines
lun. 12/14:22 pmDCA - OPO
2 stops13h 43mUnited Airlines
Deal found 11/9$813
This United Airlines deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/1912:35 pmOPO - DCA
1 stop11h 29mUnited Airlines
mar. 12/24:20 pmDCA - OPO
2 stops13h 40mUnited Airlines
Deal found 11/9$830
This Flighttix deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/168:20 amOPO - DCA
2 stops16h 33mBritish Airways
lun. 12/14:47 pmDCA - OPO
2 stops13h 58mBritish Airways
Deal found 11/9$893
This Air France deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/165:00 amOPO - DCA
2 stops16h 35mMultiple Airlines
lun. 12/12:59 pmDCA - OPO
2 stops14h 31mMultiple Airlines
Deal found 11/9$894
This Trip.com deal was found by Cheapflights users on 11/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/278:40 pmOPO - DCA
2 stops30h 20mMultiple Airlines
mié. 12/105:54 pmDCA - OPO
2 stops12h 51mMultiple Airlines
Deal found 11/10$1,004
This Air Canada deal was found by Cheapflights users on 11/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/248:55 amOPO - DCA
2 stops14h 10mAir Canada
sáb. 1/36:00 amDCA - OPO
2 stops27h 00mAir Canada
Deal found 11/10$1,062
This oojo deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/246:35 pmOPO - DCA
1 stop19h 53mTAP AIR PORTUGAL
sáb. 1/39:10 amDCA - OPO
2 stops19h 40mTAP AIR PORTUGAL
Deal found 11/9$1,307

Cheap flight deals from Porto to Reagan-National

Discover tips and strategies to find the most affordable flight options for your journey from Porto (OPO) to Reagan-National (DCA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated noviembre 10, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$542
(Delta)

One-way from

$350
(American Airlines)

Popular in

September

Cheapest in

May

Average price

$695
Provider with most accurate pricing for Porto-Washington, D.C. (WAS) flight deals.
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Provider most trusted by Cheapflights users for Porto-Washington, D.C. (WAS) flights.
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From Porto to Washington, D.C. Reagan-National
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One-way flight from Porto to Washington, D.C. Reagan-National
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($33 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($13 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Porto to Reagan-National 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, Cheapflights users made 2,558,603 searches. Data last updated noviembre 10, 2025.
Use the filters below to find and compare flights from Porto to Washington, D.C. Reagan-National Airport that are best for you.

Fly from

Porto

Fly to

Reagan-National

Route

Depart

Return

Price

PortoWashington, D.C.

OPO - DCA

OPODCA

Porto

vie. 4/10

6:00 am-6:52 pm

2 stops17h 52m

Washington, D.C. Reagan-National

vie. 4/24

6:00 pm-9:45 am

1 stop10h 45m

$565

PortoWashington, D.C.

OPO - DCA

OPODCA

Porto

mié. 2/25

6:00 am-8:55 am

2 stops31h 55m

Washington, D.C. Reagan-National

jue. 3/26

6:00 am-11:10 am

2 stops25h 10m

$586

PortoWashington, D.C.

OPO - DCA

OPODCA

Porto

mié. 4/1

8:20 am-10:59 am

2 stops31h 39m

Washington, D.C. Reagan-National

dom. 4/5

10:13 am-7:40 am

2 stops16h 27m

$604

PortoWashington, D.C.

OPO - DCA

OPODCA

Porto

vie. 4/10

8:20 am-8:04 pm

2 stops16h 44m

Washington, D.C. Reagan-National

vie. 4/24

12:30 pm-7:40 am

2 stops14h 10m

$611

PortoWashington, D.C.

OPO - DCA

OPODCA

Porto

jue. 11/27

6:35 am-9:15 pm

2 stops19h 40m

Washington, D.C. Reagan-National

mié. 12/10

7:40 pm-3:25 pm

2 stops14h 45m

$621

PortoWashington, D.C.

OPO - DCA

OPODCA

Porto

mié. 2/25

12:35 pm-7:35 pm

1 stop12h 00m

Washington, D.C. Reagan-National

jue. 3/26

8:00 pm-9:30 am

1 stop9h 30m

$699

PortoWashington, D.C.

OPO - DCA

OPODCA

Porto

mié. 4/1

12:35 pm-8:38 pm

1 stop13h 03m

Washington, D.C. Reagan-National

dom. 4/5

7:00 pm-9:45 am

1 stop9h 45m

$762

PortoWashington, D.C.

OPO - DCA

OPODCA

Porto

jue. 11/27

8:40 pm-10:00 pm

2 stops30h 20m

Washington, D.C. Reagan-National

mié. 12/10

5:54 pm-11:45 am

2 stops12h 51m

$1,004

PortoWashington, D.C.

OPO - DCA

OPODCA

Porto

dom. 3/1

8:20 am-6:52 pm

2 stops15h 32m

$350

PortoWashington, D.C.

OPO - DCA

OPODCA

Porto

mié. 12/10

10:00 am-12:19 pm

3 stops31h 19m

$483

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/9

Showing 1-10 of 17 results
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Best time to book a flight from Porto to Reagan-National

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

Related info for your journey

Find useful and relevant information for your journey from Porto to Reagan-National. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Porto to Washington, D.C. Reagan-National?

    Porto (OPO), located 6.8 mi from the city center, is the airport you fly out of when you book flights from Porto to Washington, D.C. Reagan-National. 0 airlines have flights from Porto to Washington, D.C. Reagan-National on a regular basis. Booking flights from Porto to Washington, D.C. Reagan-National should not be difficult; the airport handles an average of 0 outbound flights to Washington, D.C. Reagan-National per day.

  • How long is the flight from Porto to Washington, D.C. Reagan-National Airport?

    Departing from Porto to Washington, D.C. Reagan-National Airport will take you 17h 52m. The distance from Porto to Washington, D.C. Reagan-National Airport is about 3520 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Porto to Reagan-National by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Washington, D.C. Reagan-National Airport?

Book flights to Washington, D.C. Reagan-National Airport if you plan to visit one of these locations
Alexandria
Tysons
Woodbridge
Arlington
Owings Mills
Springfield
Hanover
Silver Spring
Fairfax
Fredericksburg
Falls Church
Linthicum Heights
Manassas
Laurel
Towson
National Harbor
Waldorf
Bowie
Largo
McLean

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