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$287+ Cheap flights from Washington 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 2/17. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — OPO
dez 27 — jan 31
sex 12/27
sex 1/3
1 adult, Economy
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Cheap flight deals from Washington to Porto

Discover tips and strategies to find the most affordable flight options for your journey from Washington (USWA) to Porto (OPO). 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 dezembro 22, 2024.

Round-trip from

$656
(Mytrip)

One-way from

$287
(Kiwi.com)
From Washington to Porto
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One-way flight from Washington to Porto
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Find flight deals from Washington to Porto

Cheapest flights from Washington to Porto
Explore the most affordable flight options available from Washington to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on dezembro 22, 2024.

This Gurufare deal was found by Cheapflights users on 12/21. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ter 12/241:35 pmSEA - OPO
2 stops34h 05mIberia
ter 1/78:40 pmOPO - SEA
2 stops34h 12mIberia
Deal found 12/21$2,134
This Delta deal was found by Cheapflights users on 12/22. 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.
ter 12/241:35 pmSEA - OPO
1 stop13h 15mDelta
ter 1/76:00 amOPO - SEA
2 stops24h 25mDelta
Deal found 12/22$2,607
This Lufthansa deal was found by Cheapflights users on 12/21. 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.
sáb 12/212:00 pmSEA - OPO
2 stops25h 35mMultiple Airlines
sáb 12/287:25 pmOPO - SEA
2 stops35h 19mMultiple Airlines
Deal found 12/21$2,697
This Ovago deal was found by Cheapflights users on 12/21. 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.
ter 12/247:47 amSEA - OPO
1 stop20h 28mTAP AIR PORTUGAL
ter 1/76:40 pmOPO - SEA
1 stop35h 20mTAP AIR PORTUGAL
Deal found 12/21$2,857
This FlightHub deal was found by Cheapflights users on 12/22. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ter 12/247:00 pmSEA - OPO
1 stop31h 00mTurkish Airlines
ter 1/74:25 pmOPO - SEA
1 stop32h 40mTurkish Airlines
Deal found 12/22$3,027

Find flights from Washington to Porto within your budget

Customize your flight search to find flights from Washington 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 2,558,603 searches. Data last updated dezembro 22, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

SeattlePorto

SEA - OPO

SEAOPO

Seattle/Tacoma Intl

sex 1/24

2:35 pm-9:20 pm

2 stops22h 45m

Porto

sex 1/31

7:00 am-5:00 pm

2 stops18h 00m

$657

SeattlePorto

SEA - OPO

SEAOPO

Seattle/Tacoma Intl

ter 2/4

9:55 am-10:50 am

2 stops16h 55m

Porto

ter 2/11

6:00 am-8:47 pm

2 stops22h 47m

$700

PortlandPorto

PDX - OPO

PDXOPO

Portland

ter 3/4

10:10 am-3:15 pm

2 stops21h 05m

Porto

sex 3/14

6:05 am-6:24 pm

2 stops19h 19m

$714

SeattlePorto

SEA - OPO

SEAOPO

Seattle/Tacoma Intl

seg 2/3

12:50 pm-11:15 am

2 stops38h 25m

Porto

seg 2/10

7:20 pm-10:53 pm

2 stops35h 33m

$716

PortlandPorto

PDX - OPO

PDXOPO

Portland

qua 2/5

10:10 am-3:15 pm

2 stops21h 05m

Porto

qua 2/12

4:30 pm-6:24 pm

2 stops33h 54m

$724

SeattlePorto

SEA - OPO

SEAOPO

Seattle/Tacoma Intl

seg 2/3

2:00 pm-3:25 pm

1 stop17h 25m

Porto

seg 2/10

1:45 pm-1:20 pm

1 stop31h 35m

$732

SeattlePorto

SEA - OPO

SEAOPO

Seattle/Tacoma Intl

ter 2/4

9:55 am-10:50 am

2 stops16h 55m

Porto

ter 2/11

6:00 am-10:25 pm

2 stops24h 25m

$752

PortlandPorto

PDX - OPO

PDXOPO

Portland

ter 3/4

1:25 pm-3:25 pm

1 stop18h 00m

Porto

sex 3/14

6:15 am-10:32 pm

2 stops23h 17m

$753

SeattlePorto

SEA - OPO

SEAOPO

Seattle/Tacoma Intl

qua 2/5

7:08 am-3:15 pm

2 stops24h 07m

Porto

qua 2/12

6:00 am-10:10 pm

2 stops24h 10m

$757

PortlandPorto

PDX - OPO

PDXOPO

Portland

ter 3/4

7:42 pm-3:15 pm

3 stops35h 33m

Porto

sex 3/14

12:30 pm-12:50 am

2 stops19h 20m

$758

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/20

Showing 1-10 of 36 results
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Best time to book a flight from Washington to Porto

Have a flexible travel schedule? Discover the best time to fly to Porto from Washington 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 Washington to Porto

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

What is the cheapest month to book a flight from State of Washington to Porto?

Currently, January is the cheapest month in which you can book a flight from State of Washington to Porto (average of $523). Flying from State of Washington to Porto in June is currently the most expensive (average of $1,081). 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 WA to OPO?

Find hourly flight availability from Washington 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 dezembro 22, 2024.

When flying from State of Washington to Porto, 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 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 dezembro 22, 2024.
See what other customers who have flown with KLM, Air Canada and Lufthansa from Washington to Porto have to say. 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
8,594 reviews

Boarding

8.2

Crew

8.6

Food

7.3

Entertainment

7.9

Overall

8.0

Comfort

8.0

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
8,594 reviews
Delta
8.0
Very good
8,594 reviews

Boarding

8.2

Crew

8.6

Food

7.3

Entertainment

7.9

Overall

8.0

Comfort

8.0

Reviews

1 / 10

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

KLM
7.8
Good
1,342 reviews
Delta
8.0
Very good
8,594 reviews

Boarding

8.2

Crew

8.6

Food

7.3

Entertainment

7.9

Overall

8.0

Comfort

8.0

Reviews

1 / 10

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

SWISS
7.6
Good
1,605 reviews
Delta
8.0
Very good
8,594 reviews

Boarding

8.2

Crew

8.6

Food

7.3

Entertainment

7.9

Overall

8.0

Comfort

8.0

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
1,501 reviews
Delta
8.0
Very good
8,594 reviews

Boarding

8.2

Crew

8.6

Food

7.3

Entertainment

7.9

Overall

8.0

Comfort

8.0

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
9,028 reviews
Delta
8.0
Very good
8,594 reviews

Boarding

8.2

Crew

8.6

Food

7.3

Entertainment

7.9

Overall

8.0

Comfort

8.0

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 Washington 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 Washington?

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

  • What are the cheapest airlines to fly from State of Washington to Porto one-way?

    For one-way options, check prices for British Airways. According to our data, you can fly for as low as $519. Users have also found prices from $524 and $603 on KLM and Delta, respectively.

  • Can I find deals for flights from Washington to Porto that include hotel bookings?

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

  • How can I find direct flights from Washington to Porto?

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

  • Can I find deals for business class flights from Washington to Porto?

    Yes. Cheapflights offers flight deals from Washington 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.

  • What is the cheapest month to book a flight from State of Washington to Porto?

    Currently, January is the cheapest month in which you can book a flight from State of Washington to Porto (average of $523). Flying from State of Washington to Porto in June is currently the most expensive (average of $1,081). 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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Alternative routes for Washington to Porto

See prices for flight routes from nearby airports that may be better suited for you.
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Top 7 airlines flying from Washington to Porto

Discover the top 7 airlines that operate flights from Washington 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 2,558,603 searches. Data last updated dezembro 22, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$544Average$771FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$673Average$1,174FlexibilityNo cancel feeOn-time70%
DeltaCheapest$674Average$1,087FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$753Average$1,117FlexibilityNo cancel feeOn-time75%
Turkish AirlinesCheapest$765Average$963FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$769Average$1,162FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$798Average$1,291FlexibilityNo cancel feeOn-time69%
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