HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
District of Columbia

$400+ Cheap flights from Porto (OPO) to District of Columbia

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 12/4. Fares are subject to change and may not be available on all flights or dates of travel.
OPO — IAD
Nov 9 — Nov 161
Sat 11/9
Sat 11/16
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Porto to District of Columbia with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Find flight deals from Porto to District of Columbia

Cheapest flights from Porto to District of Columbia
Explore the most affordable flight options available from Porto to District of Columbia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 4, 2024.

This United Airlines deal was found by Cheapflights users on 11/3. 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.
Mon 12/236:00 amOPO - IAD
1 stop14h 50mUnited Airlines
Mon 12/305:50 pmIAD - OPO
1 stop12h 45mUnited Airlines
Deal found 11/3$531
This KLM deal was found by Cheapflights users on 11/3. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/175:00 amOPO - IAD
1 stop15h 45mKLM
Tue 12/36:30 pmIAD - OPO
1 stop11h 20mKLM
Deal found 11/3$541
This SWISS deal was found by Cheapflights users on 11/3. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2312:00 pmOPO - IAD
1 stop33h 25mSWISS
Tue 12/316:25 pmIAD - OPO
2 stops19h 00mSWISS
Deal found 11/3$550
This Delta deal was found by Cheapflights users on 11/4. 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.
Mon 11/1811:15 amOPO - IAD
2 stops54h 38mDelta
Tue 12/36:30 pmIAD - OPO
1 stop11h 20mDelta
Deal found 11/4$562
This American Airlines deal was found by Cheapflights users on 11/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/178:20 amOPO - DCA
2 stops27h 39mAmerican Airlines
Tue 12/36:42 amDCA - OPO
2 stops28h 18mAmerican Airlines
Deal found 11/3$632
This Lufthansa deal was found by Cheapflights users on 11/3. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/176:00 amOPO - IAD
2 stops19h 15mLufthansa
Tue 12/35:50 pmIAD - OPO
1 stop12h 50mLufthansa
Deal found 11/3$684
This Mytrip deal was found by Cheapflights users on 11/4. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/188:10 pmOPO - IAD
3 stops25h 50mMultiple Airlines
Tue 12/36:10 pmIAD - OPO
3 stops32h 50mMultiple Airlines
Deal found 11/4$692
This oojo deal was found by Cheapflights users on 11/3. 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.
Sat 12/2110:40 amOPO - IAD
1 stop37h 50mTurkish Airlines
Sun 1/51:30 pmIAD - OPO
1 stop20h 55mTurkish Airlines
Deal found 11/3$755
This KAYAK deal was found by Cheapflights users on 11/3. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/219:55 pmOPO - IAD
2 stops22h 40mIberia
Sun 1/56:00 pmIAD - OPO
2 stops17h 00mIberia
Deal found 11/3$841
This Ovago deal was found by Cheapflights users on 11/2. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/308:20 amOPO - DCA
2 stops15h 55mIberia
Wed 1/1512:55 pmDCA - OPO
2 stops13h 45mIberia
Deal found 11/2$886
This Kiwi.com deal was found by Cheapflights users on 11/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2011:00 amOPO - IAD
1 stop15h 00mTAP AIR PORTUGAL
Sat 1/45:30 pmIAD - OPO
1 stop11h 20mTAP AIR PORTUGAL
Deal found 11/3$1,073
This oojo deal was found by Cheapflights users on 11/3. 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.
Sat 12/216:40 pmOPO - DCA
1 stop19h 51mTAP AIR PORTUGAL
Sun 1/511:00 amDCA - OPO
2 stops21h 00mTAP AIR PORTUGAL
Deal found 11/3$1,199

Find flights from Porto to District of Columbia within your budget

Customize your flight search to find flights from Porto to District of Columbia 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 2,455,398 searches. Data last updated November 4, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

PortoWashington, D.C.

OPO - IAD

OPOIAD

Porto

Tue 11/12

9:55 pm-5:00 pm

3 stops48h 05m

$407

PortoWashington, D.C.

OPO - IAD

OPOIAD

Porto

Sun 4/20

7:00 pm-7:05 pm

1 stop29h 05m

$474

PortoWashington, D.C.

OPO - IAD

OPOIAD

Porto

Sat 3/1

8:20 am-4:25 pm

1 stop13h 05m

$489

PortoWashington, D.C.

OPO - DCA

OPODCA

Porto

Mon 1/13

12:25 pm-10:41 pm

2 stops15h 16m

$499

PortoWashington, D.C.

OPO - DCA

OPODCA

Porto

Tue 12/17

8:20 am-8:11 pm

2 stops16h 51m

$503

PortoWashington, D.C.

OPO - IAD

OPOIAD

Porto

Mon 11/25

6:00 am-2:40 pm

1 stop13h 40m

$579

PortoWashington, D.C.

OPO - IAD

OPOIAD

Porto

Sun 12/1

11:00 am-11:45 am

1 stop29h 45m

$585

PortoWashington, D.C.

OPO - DCA

OPODCA

Porto

Sat 12/14

11:45 am-10:34 pm

2 stops15h 49m

$636

PortoWashington, D.C.

OPO - IAD

OPOIAD

Porto

Sun 1/12

12:00 pm-9:00 pm

1 stop14h 00m

$640

PortoWashington, D.C.

OPO - IAD

OPOIAD

Porto

Sat 12/14

6:00 am-3:45 pm

1 stop14h 45m

$647

Flights are sorted by cheapest first

Deals found on 11/2

Showing 1-10 of 35 results
1
2
3
4

Best time to book a flight from Porto to District of Columbia

Have a flexible travel schedule? Discover the best time to fly to District of Columbia 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.

Travel insights for flights from Porto to District of Columbia

Get recent, data-driven insights about flights from Porto to District of Columbia including ideal travel times, pricing trends, and more.

What is the cheapest time of day to fly from OPO to DC?

Find hourly flight availability from Porto to District of Columbia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 4, 2024.

When flying from Porto to District of Columbia, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in District of Columbia by month

Plan your trip to District of Columbia by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in District of Columbia ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit District of Columbia when rainfall is around 2.6 in.

Temperature in District of Columbia by month

Plan your trip to District of Columbia by taking into account the average temperature totals by month.

If weather is an important factor for your trip to District of Columbia, 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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing District of Columbia

Get insights into the airlines that provide service to District of Columbia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to District of Columbia. Reviews last updated November 4, 2024.
Read reviews from past customers who have flown British Airways, KLM and Iberia from Porto to District of Columbia. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,829 reviews

Entertainment

7.9

Food

7.3

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta
8.0
Very good
8,829 reviews
Delta
8.0
Very good
8,829 reviews

Entertainment

7.9

Food

7.3

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

KLM
7.8
Good
1,350 reviews
Delta
8.0
Very good
8,829 reviews

Entertainment

7.9

Food

7.3

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

SWISS
7.6
Good
1,646 reviews
Delta
8.0
Very good
8,829 reviews

Entertainment

7.9

Food

7.3

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Air France
7.4
Good
1,532 reviews
Delta
8.0
Very good
8,829 reviews

Entertainment

7.9

Food

7.3

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines
7.4
Good
9,226 reviews
Delta
8.0
Very good
8,829 reviews

Entertainment

7.9

Food

7.3

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Porto to District of Columbia. 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 District of Columbia?

    For a flight from Porto to District of Columbia, you will be flying from Porto. Porto (OPO) is just 6.8 mi from the center of the city.

  • Can I find flights from Porto to District of Columbia for under $500 on Cheapflights?

    Yes, there are multiple flights from Porto to District of Columbia for under $500. The cheapest flight booked recently is on Iberia for just $461, but on average you can expect to pay $701.

  • What are the cheapest airlines to fly from Porto to District of Columbia one-way?

    To fly one-way, consider booking your trip with Royal Air Maroc, which is currently one of the cheapest options available, starting at $474. British Airways flights start at $489 while deals on Iberia start at $498 one-way.

  • What does OPO to IAD mean?

    OPO stands for Porto Airport, while IAD stands for Washington, D.C. Dulles Intl Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry. Baltimore/Washington Airport (BWI), Washington, D.C. Reagan-National Airport (DCA) are other airports near this flight route and their unique identifiers/IATA codes.

  • Can I find deals for flights from Porto to District of Columbia that include extra baggage allowance?

    The amount of baggage you can bring on your Porto to District of Columbia flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Porto to District of Columbia with specific airlines?

    Yes, Cheapflights allows you to browse and filter Porto to District of Columbia flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Porto to District of Columbia that include hotel bookings?

    Yes. In addition to deals on Porto to District of Columbia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Porto to District of Columbia?

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

  • Can I find deals for business class flights from Porto to District of Columbia?

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

  • Can I find deals for flights from Porto to District of Columbia that allow pets onboard?

    Many airlines flying from Porto to District of Columbia offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Porto to District of Columbia?

    Yes, you can often find last-minute deals on Porto to District of Columbia flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Porto to District of Columbia flight deals updated?

    The Porto to District of Columbia flight deals you see on this page were last updated on 11/4.

  • What is the cheapest month to book a flight from Porto to District of Columbia?

    Currently, December is the cheapest month in which you can book a flight from Porto to District of Columbia (average of $298). Flying from Porto to District of Columbia in June is currently the most expensive (average of $377). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Porto to District of Columbia

See prices for flight routes from nearby airports that may be better suited for you.
Lisbon to John F Kennedy Intl flights
Lisbon to Newark flights
Lisbon to LaGuardia flights
Lisbon to Miami flights
Lisbon to Boston flights
Porto to John F Kennedy Intl flights
Porto to LaGuardia flights
Lisbon to Dulles Intl flights
Porto to Newark flights
Lisbon to San Francisco flights
Lisbon to Stewart flights
Porto to Miami flights
Lisbon to O'Hare Intl flights
Lisbon to Orlando flights
Lisbon to Reagan-National flights
Lisbon to Philadelphia flights
Faro to Newark flights
Lisbon to Los Angeles flights
Lisbon to Baltimore flights
Lisbon to Atlanta flights
Ponta Delgada to Boston flights
Faro to John F Kennedy Intl flights
Porto to Boston flights
Lisbon to Seattle flights
Porto to Los Angeles flights
Porto to Orlando flights
Lisbon to Las Vegas flights
Lisbon to Fort Lauderdale flights
Ponta Delgada to John F Kennedy Intl flights
Faro to LaGuardia flights
Lisbon to Dallas/Fort Worth flights
Lisbon to Hobby flights
Lisbon to George Bush Intcntl flights
Lisbon to Tampa flights
Porto to Las Vegas flights
Lisbon to Denver flights
Lisbon to Honolulu flights
Lisbon to San Diego flights
Porto to Atlanta flights
Porto to Dulles Intl flights
Lisbon to Charlotte flights
Lisbon to Sky Harbor Intl flights
Ponta Delgada to Newark flights
Lisbon to Austin flights
Lisbon to Cleveland flights
Lisbon to Oakland flights
Porto to Baltimore flights

Top airline flying from Porto to District of Columbia

Discover the top airline that operate flights from Porto to District of Columbia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,455,398 searches. Data last updated November 4, 2024.
AirlineCheapestAverageFlexibilityOn-time
TAP AIR PORTUGALCheapest$501Average$812FlexibilityNo cancel feeOn-timeN/A
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
View all available airlines