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$345+ Cheap flights from District of Columbia to Porto (OPO)

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 11/24. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — OPO
Nov 9 — Nov 161
Sat 11/9
Sat 11/16
1 adult, Economy
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Find flight deals from District of Columbia to Porto

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

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 12/27:15 pmIAD - OPO
1 stop12h 50mTAP AIR PORTUGAL
Mon 12/94:10 pmOPO - IAD
1 stop27h 20mTAP AIR PORTUGAL
Deal found 11/4$454
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/46:00 amDCA - OPO
2 stops24h 15mAir Canada
Wed 12/116:00 amOPO - DCA
2 stops21h 37mAir Canada
Deal found 11/4$572
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/25:50 pmIAD - OPO
1 stop12h 45mUnited Airlines
Mon 12/96:00 amOPO - IAD
2 stops36h 51mUnited Airlines
Deal found 11/4$573
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/275:50 pmIAD - OPO
1 stop12h 50mMultiple Airlines
Wed 12/412:05 pmOPO - IAD
1 stop33h 20mMultiple Airlines
Deal found 11/4$576
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.
Mon 11/256:30 pmIAD - OPO
1 stop11h 20mKLM
Mon 12/212:15 pmOPO - IAD
1 stop32h 30mKLM
Deal found 11/3$578
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/115:49 pmDCA - OPO
2 stops17h 16mBritish Airways
Mon 12/168:20 amOPO - DCA
2 stops19h 18mBritish Airways
Deal found 11/4$578
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/210:35 amIAD - OPO
2 stops20h 00mAir Canada
Mon 12/96:00 amOPO - IAD
2 stops31h 03mAir Canada
Deal found 11/4$579
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/256:30 pmIAD - OPO
1 stop11h 20mDelta
Mon 12/96:20 amOPO - IAD
2 stops22h 05mDelta
Deal found 11/3$582
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.
Sat 12/710:15 amDCA - OPO
2 stops16h 25mAmerican Airlines
Sun 12/158:20 amOPO - DCA
2 stops16h 51mAmerican Airlines
Deal found 11/3$583
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/276:50 pmDCA - OPO
2 stops15h 25mMultiple Airlines
Tue 12/34:30 pmOPO - DCA
2 stops33h 30mMultiple Airlines
Deal found 11/2$654
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.
Thu 11/72:00 pmIAD - OPO
1 stop38h 40mTurkish Airlines
Mon 11/114:25 pmOPO - IAD
1 stop24h 50mTurkish Airlines
Deal found 11/3$663
This KAYAK 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/275:50 pmIAD - OPO
1 stop12h 50mLufthansa
Mon 12/212:25 pmOPO - IAD
2 stops60h 40mLufthansa
Deal found 11/4$705

Find flights from District of Columbia to Porto within your budget

Customize your flight search to find flights from District of Columbia to Porto 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

Washington, D.C.Porto

IAD - OPO

IADOPO

Washington, D.C. Dulles Intl

Sun 11/24

10:30 pm-6:50 am

2 stops27h 20m

$345

Washington, D.C.Porto

IAD - OPO

IADOPO

Washington, D.C. Dulles Intl

Wed 11/13

10:30 pm-7:00 pm

1 stop15h 30m

$355

Washington, D.C.Porto

IAD - OPO

IADOPO

Washington, D.C. Dulles Intl

Sat 4/5

6:50 pm-8:15 pm

1 stop20h 25m

$362

Washington, D.C.Porto

DCA - OPO

DCAOPO

Washington, D.C. Reagan-National

Fri 11/29

5:58 pm-7:10 pm

2 stops20h 12m

$438

Washington, D.C.Porto

DCA - OPO

DCAOPO

Washington, D.C. Reagan-National

Sun 11/24

5:58 pm-11:45 am

2 stops12h 47m

$445

Washington, D.C.Porto

DCA - OPO

DCAOPO

Washington, D.C. Reagan-National

Sun 12/29

6:59 am-3:10 pm

2 stops27h 11m

$453

Washington, D.C.Porto

IAD - OPO

IADOPO

Washington, D.C. Dulles Intl

Wed 12/25

5:35 pm-10:20 pm

1 stop23h 45m

$591

Washington, D.C.Porto

DCA - OPO

DCAOPO

Washington, D.C. Reagan-National

Wed 11/13

11:59 am-3:15 pm

2 stops22h 16m

$399

Washington, D.C.Porto

IAD - OPO

IADOPO

Washington, D.C. Dulles Intl

Wed 11/13

8:29 am-11:15 am

2 stops21h 46m

$525

Washington, D.C.Porto

DCA - OPO

DCAOPO

Washington, D.C. Reagan-National

Sun 12/29

8:05 pm-11:55 am

1 stop10h 50m

$544

Flights are sorted by cheapest first

Deals found on 11/4

Showing 1-10 of 32 results
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Best time to book a flight from District of Columbia to Porto

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

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

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

Currently, January is the cheapest month in which you can book a flight from District of Columbia to Porto (average of $517). Flying from District of Columbia to Porto in June is currently the most expensive (average of $993). 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.

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

Find hourly flight availability from District of Columbia to Porto. 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.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from District of Columbia to Porto as you normally would.

Rainfall in Porto by month

Plan your trip to Porto by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Porto ranges from 0.7 - 7.7 inches per month. December is typically the wettest month, when rainfall can reach 7.7 in. July is typically the driest time to visit Porto when rainfall is around 0.7 in.

Temperature in Porto by month

Plan your trip to Porto by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Porto, 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 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

Reviews of airlines servicing Porto

Get insights into the airlines that provide service to Porto. 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 Porto. Reviews last updated November 4, 2024.
Read through reviews of airlines operating flights from District of Columbia to Porto, such as Iberia, SWISS and TAP AIR PORTUGAL. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,829 reviews

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

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

    Porto (OPO) is the airport you will fly into if you book a flight from District of Columbia to Porto. It is only a 6.8 mi journey from Porto (OPO) to Porto’s city center.

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

    Yes, there are multiple flights from District of Columbia to Porto for under $500. The cheapest flight booked recently is on TAP AIR PORTUGAL for just $410, but on average you can expect to pay $630.

  • Are there last-minute flights available from District of Columbia to Porto for under $700?

    There are currently 18+ open flights from District of Columbia to Porto within the next 7 days for less than $700.

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

    $355 is the cheapest one-way deal found within the past few days, from TAP AIR PORTUGAL. You may also be able to find cheap deals on PLAY and British Airways, with prices starting from $362 and $438, respectively.

  • What does IAD to OPO mean?

    Great question - IAD to OPO just means Washington, D.C. Dulles Intl Airport to Porto Airport. Now you’ll know what these unique codes when you look for flights! 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 District of Columbia to Porto that include extra baggage allowance?

    The amount of baggage you can bring on your District of Columbia to Porto 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 District of Columbia to Porto with specific airlines?

    Yes, Cheapflights allows you to browse and filter District of Columbia to Porto 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 District of Columbia to Porto that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from District of Columbia to Porto 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 District of Columbia to Porto that allow pets onboard?

    Many airlines flying from District of Columbia to Porto 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 District of Columbia to Porto?

    Yes, you can often find last-minute deals on District of Columbia to Porto 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 District of Columbia to Porto flight deals updated?

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

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

    Currently, January is the cheapest month in which you can book a flight from District of Columbia to Porto (average of $517). Flying from District of Columbia to Porto in June is currently the most expensive (average of $993). 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

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Top 10 airlines flying from District of Columbia to Porto

Discover the top 10 airlines that operate flights from District of Columbia to Porto. 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
Air FranceCheapest$418Average$580FlexibilityNo cancel feeOn-time77%
IberiaCheapest$418Average$557FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$418Average$688FlexibilityNo cancel feeOn-time71%
DeltaCheapest$419Average$760FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$428Average$536FlexibilityNo cancel feeOn-time75%
TAP AIR PORTUGALCheapest$459Average$760FlexibilityNo cancel feeOn-timeN/A
SWISSCheapest$483Average$666FlexibilityNo cancel feeOn-time79%
United AirlinesCheapest$485Average$989FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$499Average$813FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$503Average$666FlexibilityNo cancel feeOn-time70%
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