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$545+ Cheap flights from Porto (OPO) to Washington

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 3/27. Fares are subject to change and may not be available on all flights or dates of travel.
OPO — SEA
Nov 25 — Dec 21
Mon 11/25
Mon 12/2
1 adult, Economy
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Cheap flight deals from Porto to Washington

Discover tips and strategies to find the most affordable flight options for your journey from Porto (OPO) to Washington (USWA). 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 November 20, 2024.

Find flight deals from Porto to Washington

Cheapest flights from Porto to Washington
Explore the most affordable flight options available from Porto to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 20, 2024.

This Justfly.com deal was found by Cheapflights users on 11/19. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/211:00 amOPO - SEA
1 stop38h 05mTurkish Airlines
Sat 12/77:00 pmSEA - OPO
1 stop36h 25mTurkish Airlines
Deal found 11/19$3,008
This Cheapflightsfares deal was found by Cheapflights users on 11/19. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/138:20 amOPO - SEA
2 stops22h 55mIberia
Sun 12/1510:32 amSEA - OPO
2 stops25h 28mIberia
Deal found 11/19$3,370
This Arangrant deal was found by Cheapflights users on 11/20. 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 Arangrant is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/118:20 amOPO - SEA
2 stops22h 49mMultiple Airlines
Sun 12/156:50 pmSEA - OPO
2 stops17h 10mMultiple Airlines
Deal found 11/20$3,417
This Arangrant deal was found by Cheapflights users on 11/19. 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 Arangrant is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/28:20 amOPO - SEA
2 stops23h 04mBritish Airways
Sat 12/71:45 pmSEA - OPO
2 stops22h 15mBritish Airways
Deal found 11/19$3,803

Find flights from Porto to Washington within your budget

Customize your flight search to find flights from Porto to Washington 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 2,629,791 searches. Data last updated November 20, 2024.

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PortoSeattle

OPO - SEA

OPOSEA

Porto

Sun 1/12

11:15 am-11:50 am

1 stop32h 35m

Seattle/Tacoma Intl

Sat 1/18

9:54 am-10:50 am

2 stops16h 56m

$747

PortoSeattle

OPO - SEA

OPOSEA

Porto

Wed 4/9

12:10 pm-9:30 pm

2 stops41h 20m

Seattle/Tacoma Intl

Tue 4/29

12:08 pm-9:45 am

1 stop13h 37m

$768

PortoSeattle

OPO - SEA

OPOSEA

Porto

Wed 4/9

5:00 am-11:15 am

1 stop14h 15m

Seattle/Tacoma Intl

Tue 4/29

1:35 pm-3:30 pm

1 stop17h 55m

$779

PortoSeattle

OPO - SEA

OPOSEA

Porto

Sun 1/12

11:15 am-11:50 am

1 stop32h 35m

Seattle/Tacoma Intl

Sat 1/18

10:55 pm-10:55 am

2 stops28h 00m

$801

PortoSeattle

OPO - SEA

OPOSEA

Porto

Sun 1/12

12:30 pm-12:10 pm

1 stop31h 40m

Seattle/Tacoma Intl

Sat 1/18

2:00 pm-10:25 pm

1 stop24h 25m

$893

PortoSeattle

OPO - SEA

OPOSEA

Porto

Sun 1/12

9:55 pm-4:55 pm

2 stops27h 00m

Seattle/Tacoma Intl

Sat 1/18

1:45 pm-8:00 pm

2 stops22h 15m

$990

PortoSeattle

OPO - SEA

OPOSEA

Porto

Mon 1/20

11:00 am-4:16 pm

2 stops37h 16m

Seattle/Tacoma Intl

Fri 1/31

7:00 pm-3:30 pm

1 stop36h 30m

$2,722

PortoSeattle

OPO - SEA

OPOSEA

Porto

Mon 12/2

8:20 am-11:24 pm

2 stops23h 04m

Seattle/Tacoma Intl

Sat 12/7

1:45 pm-8:00 pm

2 stops22h 15m

$3,803

PortoSeattle

OPO - SEA

OPOSEA

Porto

Mon 1/20

8:30 am-10:00 pm

3 stops21h 30m

Seattle/Tacoma Intl

Fri 1/31

6:05 am-11:40 am

2 stops21h 35m

$3,817

PortoSeattle

OPO - SEA

OPOSEA

Porto

Thu 3/27

8:50 am-10:00 am

3 stops32h 10m

$545

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/20

Showing 1-10 of 11 results
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Best time to book a flight from Porto to Washington

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

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

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

Currently, January is the cheapest month in which you can book a flight from Porto to State of Washington (average of $238). Flying from Porto to State of Washington in July is currently the most expensive (average of $411). 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.

Rainfall in Washington by month

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

In terms of precipitation, rainfall in State of Washington ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit State of Washington when rainfall is around 0.7 in.

Temperature in Washington by month

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

If weather is an important factor for your trip to State of Washington, 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 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Washington

Get insights into the airlines that provide service to Washington. 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 Washington. Reviews last updated November 20, 2024.
Delta
8.0
Very good
8,756 reviews

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Food

7.3

Entertainment

7.9

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
8,756 reviews
Delta
8.0
Very good
8,756 reviews

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Food

7.3

Entertainment

7.9

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
8,756 reviews

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Food

7.3

Entertainment

7.9

Reviews

1 / 10

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

Turkish Airlines
7.4
Good
3,915 reviews
Delta
8.0
Very good
8,756 reviews

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Food

7.3

Entertainment

7.9

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
9,171 reviews
Delta
8.0
Very good
8,756 reviews

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Food

7.3

Entertainment

7.9

Reviews

1 / 10

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

Air Canada
7.0
Good
8,237 reviews
Delta
8.0
Very good
8,756 reviews

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Food

7.3

Entertainment

7.9

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 Washington. 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?

    Most people fly from Porto (OPO) if they book a flight from Porto to Washington. Porto is conveniently located just 6.8 mi from Porto’s city center.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Porto to Washington 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 Porto to State of Washington?

    Currently, January is the cheapest month in which you can book a flight from Porto to State of Washington (average of $238). Flying from Porto to State of Washington in July is currently the most expensive (average of $411). 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.

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Alternative routes for Porto to Washington

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Top airline flying from Porto to Washington

Discover the top airline that operate flights from Porto to Washington. 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 2,629,791 searches. Data last updated November 20, 2024.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$756Average$820FlexibilityNo cancel feeOn-time75%
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