$803+ Cheap flights from Porto (OPO) to Washington
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/18. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from Porto to Washington with Cheapflights
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Cheapest flights from Porto to WashingtonExplore 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 10, 2024.
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 10, 2024.
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This British Airways 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
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.
This Booking.com 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
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 2,627,502 searches. Data last updated November 10, 2024.
Fly from
Fly to
Route
Depart
Return
Price
PortoSeattle
OPO - SEA
OPOSEA
Porto
Fri 11/22
8:20 am-11:24 pm
2 stops23h 04m
Seattle/Tacoma Intl
Fri 11/29
1:45 pm-8:00 pm
2 stops22h 15m
PortoSeattle
OPO - SEA
OPOSEA
Porto
Fri 11/22
6:30 am-10:07 pm
2 stops23h 37m
Seattle/Tacoma Intl
Fri 11/29
2:00 pm-3:15 pm
1 stop17h 15m
PortoSeattle
OPO - SEA
OPOSEA
Porto
Fri 11/22
11:45 am-11:20 am
1 stop31h 35m
Seattle/Tacoma Intl
Fri 11/29
2:05 pm-10:30 am
1 stop36h 25m
PortoSeattle
OPO - SEA
OPOSEA
Porto
Fri 12/20
4:25 pm-5:05 pm
1 stop32h 40m
Seattle/Tacoma Intl
Fri 12/27
7:00 pm-10:00 am
1 stop31h 00m
PortoSeattle
OPO - SEA
OPOSEA
Porto
Fri 12/20
9:00 am-9:20 pm
2 stops20h 20m
Seattle/Tacoma Intl
Fri 12/27
6:05 am-12:10 pm
2 stops22h 05m
PortoSeattle
OPO - SEA
OPOSEA
Porto
Fri 12/20
12:30 pm-11:34 am
3 stops55h 04m
Seattle/Tacoma Intl
Fri 12/27
11:15 pm-3:10 pm
2 stops31h 55m
PortoSeattle
OPO - SEA
OPOSEA
Porto
Wed 12/11
8:20 am-9:15 pm
2 stops20h 55m
Seattle/Tacoma Intl
Sun 12/15
7:20 am-11:45 am
2 stops20h 25m
PortoSeattle
OPO - SEA
OPOSEA
Porto
Thu 1/9
1:45 pm-1:20 pm
1 stop31h 35m
Seattle/Tacoma Intl
Mon 1/20
2:00 pm-3:25 pm
1 stop17h 25m
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.
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 10, 2024.
Peruse reviews from past customers who have flown with Delta and United Airlines from Porto to Washington to help guide your decision. 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.
Boarding
Food
Crew
Comfort
Overall
Entertainment
Reviews
Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Boarding
Food
Crew
Comfort
Overall
Entertainment
Reviews
Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Boarding
Food
Crew
Comfort
Overall
Entertainment
Reviews
Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Boarding
Food
Crew
Comfort
Overall
Entertainment
Reviews
Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Boarding
Food
Crew
Comfort
Overall
Entertainment
Reviews
Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Boarding
Food
Crew
Comfort
Overall
Entertainment
Reviews
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.
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Alternative routes for Porto to Washington
See prices for flight routes from nearby airports that may be better suited for you.
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 2,627,502 searches. Data last updated November 10, 2024.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$756 | Average$820 | FlexibilityNo cancel fee | On-time75% |