How long is the flight from Portugal to State of Washington?

Airlines like KLM, Delta, and American Airlines fly from Portugal to State of Washington in about 14h 45m. The time it takes to get you to your destination can typically vary by up to 17h 24m. The distance between Portugal and State of Washington is about 5199 mi. This flight may include one or multiple stops.

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.

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).

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

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

How can I find direct flights from Portugal to Washington?

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

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

Yes. Cheapflights offers flight deals from Portugal 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.

$351+ Flights from Portugal to Washington

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Cheap flight deals from Portugal to Washington

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$676 (Kiwi.com)
One-way from	$351 (Kiwi.com)
Popular in	July
Cheapest in	December
Average price	$871

Provider with most accurate pricing for Lisbon Humberto Delgado-Seattle/Tacoma Intl flight deals.

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Provider most trusted by Cheapflights users for Lisbon Humberto Delgado-Seattle/Tacoma Intl flights.

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From Portugal to Washington

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One-way flight from Portugal to Washington

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Highest demand for flights based on searches. 14% potential increase in price ($155 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($25 potential savings vs. average RT price).

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Average for round-trip flights in October 2025

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Find flight deals from Portugal to Washington

Cheapest flights from Portugal to Washington
Explore the most affordable flight options available from Portugal to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

Wed 11/196:45 amOPO - SEA

1 stop19h 35mMultiple Airlines

Mon 11/248:05 pmSEA - OPO

1 stop16h 25mMultiple Airlines

Deal found 10/30

$676

Thu 11/66:35 amOPO - SEA

1 stop37h 10mMultiple Airlines

Tue 11/111:40 pmSEA - OPO

1 stop12h 50mMultiple Airlines

Deal found 10/30

$859

Mon 11/1711:15 amOPO - SEA

1 stop32h 30mMultiple Airlines

Tue 11/251:40 pmSEA - OPO

1 stop12h 50mMultiple Airlines

Deal found 10/30

$860

Tue 11/184:10 pmOPO - SEA

1 stop27h 35mMultiple Airlines

Mon 11/242:05 pmSEA - OPO

1 stop36h 25mMultiple Airlines

Deal found 10/30

$861

Mon 11/176:30 amOPO - SEA

2 stops22h 06mDelta

Mon 11/247:20 amSEA - OPO

2 stops19h 10mDelta

Deal found 10/30

$864

Mon 11/175:00 amLIS - SEA

1 stop14h 45mDelta

Mon 12/12:05 pmSEA - LIS

1 stop19h 25mDelta

Deal found 10/30

$864

Tue 12/169:55 amOPO - SEA

2 stops20h 30mKLM

Mon 1/128:00 amSEA - OPO

2 stops18h 30mKLM

Deal found 10/29

$866

Tue 11/115:00 amLIS - SEA

1 stop14h 45mDelta

Tue 11/259:30 amSEA - LIS

2 stops17h 50mDelta

Deal found 10/30

$867

Tue 12/166:05 amOPO - SEA

2 stops22h 30mMultiple Airlines

Mon 1/122:10 pmSEA - OPO

1 stop36h 20mMultiple Airlines

Deal found 10/29

$868

Tue 11/186:05 amOPO - SEA

2 stops22h 31mDelta

Tue 11/256:00 amSEA - OPO

2 stops20h 30mDelta

Deal found 10/30

$870

Mon 11/175:00 amLIS - SEA

2 stops18h 35mMultiple Airlines

Mon 12/12:05 pmSEA - LIS

1 stop17h 05mMultiple Airlines

Deal found 10/30

$870

Tue 11/186:05 amOPO - SEA

2 stops22h 31mMultiple Airlines

Sun 11/232:05 pmSEA - OPO

1 stop36h 25mMultiple Airlines

Deal found 10/30

$872

Best flights from Portugal to Washington
Discover carefully curated flight deals from Portugal to Washington that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 30, 2025.

Wed 11/126:00 amOPO - SEA

2 stops24h 23mKLM

Tue 11/189:28 amSEA - OPO

2 stops17h 02mKLM

Deal found 10/30

$864

Mon 11/175:00 amLIS - SEA

1 stop14h 45mDelta

Mon 12/12:05 pmSEA - LIS

1 stop19h 25mDelta

Deal found 10/30

$864

Tue 12/166:05 amOPO - SEA

2 stops22h 30mMultiple Airlines

Mon 1/122:10 pmSEA - OPO

1 stop36h 20mMultiple Airlines

Deal found 10/29

$868

Thu 12/410:55 amLIS - PDX

2 stops32h 09mAmerican Airlines

Mon 12/812:00 pmPDX - LIS

2 stops22h 55mAmerican Airlines

Deal found 10/28

$882

Tue 12/161:45 pmOPO - SEA

1 stop31h 35mLufthansa

Mon 1/122:00 pmSEA - OPO

1 stop16h 55mLufthansa

Deal found 10/29

$884

Thu 3/265:00 amLIS - SEA

1 stop15h 10mUnited Airlines

Mon 3/308:00 amSEA - LIS

2 stops16h 20mUnited Airlines

Deal found 10/29

$884

Wed 12/247:05 amLIS - PDX

1 stop16h 50mBritish Airways

Tue 1/1312:35 pmPDX - LIS

2 stops18h 10mBritish Airways

Deal found 10/29

$888

Tue 12/169:55 amOPO - SEA

2 stops20h 30mKLM

Mon 1/128:00 amSEA - OPO

2 stops18h 30mKLM

Deal found 10/29

$866

Tue 11/115:00 amLIS - SEA

1 stop14h 45mDelta

Tue 11/251:40 pmSEA - LIS

1 stop13h 40mDelta

Deal found 10/30

$867

Mon 11/175:00 amLIS - SEA

2 stops18h 35mMultiple Airlines

Mon 12/12:05 pmSEA - LIS

1 stop17h 05mMultiple Airlines

Deal found 10/30

$870

Tue 12/166:00 amOPO - SEA

2 stops24h 28mUnited Airlines

Mon 1/127:30 pmSEA - OPO

3 stops32h 10mUnited Airlines

Deal found 10/29

$887

Mon 12/155:00 amLIS - PDX

2 stops21h 41mLufthansa

Wed 12/319:00 amPDX - LIS

2 stops17h 15mLufthansa

Deal found 10/30

$889

Thu 11/205:00 amLIS - SEA

1 stop14h 45mDelta

Thu 12/411:30 amSEA - LIS

2 stops19h 40mDelta

Deal found 10/30

$867

Tue 11/186:05 amOPO - SEA

2 stops24h 18mKLM

Wed 11/269:43 amSEA - OPO

2 stops16h 47mKLM

Deal found 10/30

$880

Sat 12/1311:25 amLIS - PDX

1 stop32h 00mMultiple Airlines

Tue 12/306:15 amPDX - LIS

2 stops17h 45mMultiple Airlines

Deal found 10/30

$887

Sun 12/145:00 amLIS - PDX

2 stops21h 45mLufthansa

Tue 12/303:54 pmPDX - LIS

2 stops20h 06mLufthansa

Deal found 10/30

$893

Thu 11/2011:15 amOPO - SEA

1 stop32h 30mDelta

Tue 11/251:40 pmSEA - OPO

1 stop12h 50mDelta

Deal found 10/30

$884

Tue 11/189:55 amOPO - SEA

2 stops20h 28mKLM

Sun 11/239:43 amSEA - OPO

2 stops16h 47mKLM

Deal found 10/30

$886

Wed 12/2411:05 amLIS - PDX

2 stops21h 07mMultiple Airlines

Tue 1/1312:35 pmPDX - LIS

2 stops18h 10mMultiple Airlines

Deal found 10/29

$895

Fri 11/2111:15 amOPO - SEA

1 stop32h 30mDelta

Tue 11/251:40 pmSEA - OPO

1 stop12h 50mDelta

Deal found 10/30

$884

Thu 11/206:35 amOPO - SEA

1 stop37h 10mDelta

Mon 11/242:05 pmSEA - OPO

1 stop36h 25mDelta

Deal found 10/30

$885

Thu 11/2011:15 amOPO - SEA

1 stop32h 30mDelta

Wed 11/262:05 pmSEA - OPO

1 stop36h 20mDelta

Deal found 10/30

$885

Wed 11/1911:15 amOPO - SEA

1 stop32h 30mDelta

Fri 11/287:20 amSEA - OPO

2 stops19h 10mDelta

Deal found 10/30

$888

Thu 12/411:25 amLIS - PDX

1 stop32h 00mDelta

Mon 12/86:10 amPDX - LIS

2 stops17h 50mDelta

Deal found 10/30

$891

Mon 12/155:00 amLIS - PDX

1 stop14h 25mDelta

Thu 1/17:00 amPDX - LIS

1 stop17h 55mDelta

Deal found 10/30

$894

Sat 12/1311:25 amLIS - PDX

1 stop32h 00mDelta

Mon 12/2910:05 pmPDX - LIS

2 stops25h 55mDelta

Deal found 10/30

$900

Mon 12/155:00 amLIS - PDX

1 stop14h 25mDelta

Mon 12/2910:05 pmPDX - LIS

2 stops25h 55mDelta

Deal found 10/30

$900

Last-minute flights from Portugal to Washington
Discover last-minute flight deals from Portugal to Washington. Data last updated October 30, 2025 and is based on user searches.

Thu 11/66:35 amOPO - SEA

1 stop37h 10mMultiple Airlines

Tue 11/111:40 pmSEA - OPO

1 stop12h 50mMultiple Airlines

Deal found 10/30

$859

Thu 11/66:35 amOPO - SEA

2 stops23h 28mDelta

Tue 11/117:30 amSEA - OPO

2 stops19h 00mDelta

Deal found 10/30

$864

Thu 11/65:00 amLIS - PDX

2 stops24h 04mDelta

Wed 11/1211:35 amPDX - LIS

2 stops19h 35mDelta

Deal found 10/30

$873

Thu 11/65:00 amLIS - SEA

2 stops19h 54mDelta

Thu 11/201:40 pmSEA - LIS

1 stop13h 40mDelta

Deal found 10/30

$873

Thu 11/611:25 amLIS - PDX

1 stop32h 00mKLM

Wed 11/121:25 pmPDX - LIS

1 stop17h 10mKLM

Deal found 10/30

$874

Thu 11/610:55 amLIS - SEA

1 stop19h 25mBritish Airways

Sat 11/226:50 pmSEA - LIS

1 stop19h 40mBritish Airways

Deal found 10/29

$902

Thu 11/610:55 amLIS - SEA

2 stops18h 04mAmerican Airlines

Sat 11/2211:20 pmSEA - LIS

1 stop25h 45mAmerican Airlines

Deal found 10/29

$917

Tue 11/115:00 amLIS - SEA

1 stop14h 45mDelta

Tue 11/259:30 amSEA - LIS

2 stops17h 50mDelta

Deal found 10/30

$867

Tue 11/1111:05 amLIS - SEA

1 stop19h 15mAmerican Airlines

Mon 11/2412:59 amSEA - LIS

2 stops29h 46mAmerican Airlines

Deal found 10/30

$906

Mon 11/175:00 amLIS - SEA

1 stop14h 45mDelta

Mon 12/12:05 pmSEA - LIS

1 stop19h 25mDelta

Deal found 10/30

$864

Mon 11/175:00 amLIS - SEA

2 stops18h 35mMultiple Airlines

Mon 12/12:05 pmSEA - LIS

1 stop17h 05mMultiple Airlines

Deal found 10/30

$870

Thu 11/209:25 amLIS - SEA

2 stops20h 51mMultiple Airlines

Thu 12/43:10 pmSEA - LIS

3 stops23h 20mMultiple Airlines

Deal found 10/30

$907

One-way flights from Portugal to Washington
Search for one-way flight options from Portugal to Washington. Find affordable one-way fares based on user searches. Data last updated October 30, 2025.

Sat 1/176:10 amLIS - SEA

3 stops38h 16mMultiple Airlines

Deal found 10/30

$351

Sat 4/2510:30 amLIS - SEA

2 stops41h 58mMultiple Airlines

Deal found 10/30

$457

Mon 4/2710:45 pmLIS - SEA

3 stops49h 15mMultiple Airlines

Deal found 10/29

$461

Sun 2/229:05 pmLIS - PDX

2 stops55h 10mMultiple Airlines

Deal found 10/28

$477

Sun 4/125:45 pmLIS - SEA

2 stops52h 34mMultiple Airlines

Deal found 10/30

$481

Sat 2/216:40 pmLIS - PDX

2 stops46h 56mMultiple Airlines

Deal found 10/28

$537

Mon 4/611:05 amLIS - SEA

1 stop18h 48mBritish Airways

Deal found 10/29

$562

Sat 4/257:10 amLIS - SEA

1 stop19h 15mBritish Airways

Deal found 10/30

$566

Sat 4/114:25 pmLIS - SEA

1 stop27h 10mBritish Airways

Deal found 10/29

$567

Sat 2/2111:05 amLIS - PDX

1 stop36h 50mBritish Airways

Deal found 10/28

$607

Thu 12/43:55 pmLIS - PDX

1 stop32h 00mBritish Airways

Deal found 10/28

$736

Thu 12/46:30 amLIS - PDX

2 stops22h 51mMultiple Airlines

Deal found 10/28

$752

Cheapflights Fare Finder

Use the filters below to find and compare flights from Portugal to Washington that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortoSeattle

OPO - SEA

OPOSEA

Porto

Wed 11/12

6:00 am-10:23 pm

2 stops24h 23m

Seattle/Tacoma Intl

Tue 11/18

9:28 am-10:30 am

2 stops17h 02m

$864

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

Mon 11/17

5:00 am-11:45 am

1 stop14h 45m

Seattle/Tacoma Intl

Mon 12/1

2:05 pm-5:30 pm

1 stop19h 25m

$864

PortoSeattle

OPO - SEA

OPOSEA

Porto

Tue 12/16

9:55 am-10:25 pm

2 stops20h 30m

Seattle/Tacoma Intl

Mon 1/12

8:00 am-10:30 am

2 stops18h 30m

$866

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

Tue 11/11

5:00 am-11:45 am

1 stop14h 45m

Seattle/Tacoma Intl

Tue 11/25

1:40 pm-11:20 am

1 stop13h 40m

$867

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

Thu 11/20

5:00 am-11:45 am

1 stop14h 45m

Seattle/Tacoma Intl

Thu 12/4

11:30 am-3:10 pm

2 stops19h 40m

$867

PortoSeattle

OPO - SEA

OPOSEA

Porto

Tue 12/16

6:05 am-8:35 pm

2 stops22h 30m

Seattle/Tacoma Intl

Mon 1/12

2:10 pm-10:30 am

1 stop36h 20m

$868

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

Mon 11/17

5:00 am-3:35 pm

2 stops18h 35m

Seattle/Tacoma Intl

Mon 12/1

2:05 pm-3:10 pm

1 stop17h 05m

$870

PortoSeattle

OPO - SEA

OPOSEA

Porto

Tue 11/18

6:05 am-10:23 pm

2 stops24h 18m

Seattle/Tacoma Intl

Wed 11/26

9:43 am-10:30 am

2 stops16h 47m

$880

LisbonPortland

LIS - PDX

LISPDX

Lisbon Humberto Delgado

Thu 12/4

10:55 am-11:04 am

2 stops32h 09m

Portland

Mon 12/8

12:00 pm-6:55 pm

2 stops22h 55m

$882

PortoSeattle

OPO - SEA

OPOSEA

Porto

Tue 12/16

1:45 pm-1:20 pm

1 stop31h 35m

Seattle/Tacoma Intl

Mon 1/12

2:00 pm-2:55 pm

1 stop16h 55m

$884

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/30

Showing 1-10 of 40 results

Best time to book a flight from Portugal to Washington

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

Cheapflights Insights

Everything you need to know about your flight from Portugal to Washington

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

Currently, October is the cheapest month in which you can book a flight from Portugal to State of Washington (average of $378). Flying from Portugal to State of Washington in July is currently the most expensive (average of $970). 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 PT to WA?

Unlike in the morning, when flights are generally more expensive, you can save up to 32% on flights from Portugal to State of Washington by exploring options for tickets in the afternoon.

Reviews of airlines servicing Washington

Get a feel of what it's like to fly with Delta, Air France, and United Airlines from Portugal to Washington by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

7.9

Good

7,995 reviews

Reviews

1 / 20

10.0

Excellent

Mary,Oct 2025

AMS - PDX

It's specail being able to fly non-stop from Amsterdam all the way home to Portland, Oregon!

Delta

7.9

Good

7,995 reviews

Delta

7.9

Good

7,995 reviews

Reviews

1 / 20

10.0

Excellent

Mary,Oct 2025

AMS - PDX

It's specail being able to fly non-stop from Amsterdam all the way home to Portland, Oregon!

Air France

7.4

Good

1,482 reviews

Delta

7.9

Good

7,995 reviews

Reviews

1 / 20

10.0

Excellent

Mary,Oct 2025

AMS - PDX

It's specail being able to fly non-stop from Amsterdam all the way home to Portland, Oregon!

United Airlines

7.4

Good

8,998 reviews

Delta

7.9

Good

7,995 reviews

Reviews

1 / 20

10.0

Excellent

Mary,Oct 2025

AMS - PDX

It's specail being able to fly non-stop from Amsterdam all the way home to Portland, Oregon!

British Airways

6.7

Okay

7,487 reviews

Delta

7.9

Good

7,995 reviews

Reviews

1 / 20

10.0

Excellent

Mary,Oct 2025

AMS - PDX

It's specail being able to fly non-stop from Amsterdam all the way home to Portland, Oregon!

Related info for your journey

How long is the flight from Portugal to State of Washington?
Airlines like KLM, Delta, and American Airlines fly from Portugal to State of Washington in about 14h 45m. The time it takes to get you to your destination can typically vary by up to 17h 24m. The distance between Portugal and State of Washington is about 5199 mi. This flight may include one or multiple stops.
Can I find deals for flights from Portugal to Washington that include hotel bookings?
Yes. In addition to deals on Portugal to Washington flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Portugal to Washington?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portugal to Washington.
Can I find deals for business class flights from Portugal to Washington?
Yes. Cheapflights offers flight deals from Portugal 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 Portugal to State of Washington?
Currently, October is the cheapest month in which you can book a flight from Portugal to State of Washington (average of $378). Flying from Portugal to State of Washington in July is currently the most expensive (average of $970). 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

Top 4 airlines flying from Portugal to Washington

Airline	Cheapest	Average	Flexibility	On-time
British Airways	Cheapest$720	Average$1,016	FlexibilityNo cancel fee	On-time70%
United Airlines	Cheapest$738	Average$950	FlexibilityNo cancel fee	On-time69%
Air France	Cheapest$762	Average$1,159	FlexibilityNo cancel fee	On-time77%
Delta	Cheapest$775	Average$1,040	FlexibilityNo cancel fee	On-timeN/A

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$351+ Cheap flights from Portugal 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 1/17. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheap flight deals from Portugal to Washington

Keep the following information in mind while searching for Portugal to Washington flight deals. Data was last updated October 30, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Portugal to Washington

Cheapest flights from Portugal to WashingtonExplore the most affordable flight options available from Portugal to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

Explore the most affordable flight options available from Portugal to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Portugal to Washington that are best for you.

Best time to book a flight from Portugal to Washington

Have a flexible travel schedule? Discover the best time to fly to Washington from Portugal with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Portugal to Washington

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

What is the cheapest time of day to fly from PT to WA?

Find hourly flight availability from Portugal to Washington. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 30, 2025.

Reviews of airlines servicing Washington

Get a feel of what it's like to fly with Delta, Air France, and United Airlines from Portugal to Washington by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Portugal to Washington. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

How long is the flight from Portugal to State of Washington?

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

How can I find direct flights from Portugal to Washington?

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

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

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 Portugal to Washington

See prices for flight routes from nearby airports that may be better suited for you.

Top 4 airlines flying from Portugal to Washington

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Cheapest flights from Portugal to Washington
Explore the most affordable flight options available from Portugal to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.