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

If you’re flying from a popular airport in Portugal, such as Lisbon or Porto, and flying into State of Washington, then you can expect flight times to average 19h 24m and 19h 30m, respectively.

What is the cheapest airline that flies from Portugal to Washington?

British Airways is the most popular carrier operating from Portugal to Washington

When did momondo last update prices for flights from Portugal to Washington?

Prices for flights from Portugal to Washington were last updated today.

How many operators does momondo search for flights from Portugal to Washington?

The number of operators available for flights from Portugal to Washington is 5 as of March 2026.

How old do you have to be to fly from Portugal to Washington?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Portugal to Washington.

What documentation or ID do you need to fly to Washington?

The travel and health documents you'll need for your trip to Washington may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$341 Cheap Flights from Portugal to Washington in 2026

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Find the cheapest flights from Portugal to Washington

Round-trip

One-way

Last minute

Recent round-trip flight deals from Portugal to Washington

Enter your travel dates to find the best prices.

10:15 pm - 5:10 pm

LIS

SEA

26h 55m

1 stop

7:10 pm - 9:35 pm

SEA

LIS

18h 25m

1 stop

$720Aer Lingus

Fri, Apr 24 - Sat, May 9

10:15 pm - 5:10 pm

LIS

SEA

26h 55m

1 stop

7:10 pm - 9:35 pm

SEA

LIS

18h 25m

1 stop

$733Aer Lingus

Fri, May 15 - Sat, May 30

7:10 am - 9:40 am

OPO

SEA

34h 30m

2 stops

3:40 pm - 9:00 am

SEA

OPO

33h 20m

3 stops

$784Multiple Airlines

Fri, May 15 - Sun, May 24

9:35 am - 7:23 pm

LIS

SEA

17h 48m

1 stop

7:00 pm - 9:05 pm

SEA

LIS

42h 05m

2 stops

$865Multiple Airlines

Fri, Apr 24 - Sat, May 9

9:35 am - 7:23 pm

LIS

SEA

17h 48m

1 stop

7:00 pm - 9:05 pm

SEA

LIS

42h 05m

2 stops

$874Multiple Airlines

Fri, Apr 24 - Sat, May 9

4:25 pm - 1:45 pm

LIS

SEA

29h 20m

1 stop

3:55 pm - 3:35 pm

SEA

LIS

15h 40m

1 stop

$885Scandinavian Airlines

Sat, Sep 5 - Fri, Sep 18

10:55 am - 5:15 pm

LIS

SEA

38h 20m

1 stop

7:10 pm - 11:45 pm

SEA

LIS

20h 35m

1 stop

$910Turkish Airlines

Wed, Apr 8 - Wed, Apr 22

5:55 am - 5:15 pm

LIS

SEA

19h 20m

1 stop

7:10 pm - 3:45 pm

SEA

LIS

36h 35m

1 stop

$913Turkish Airlines

Wed, Apr 8 - Wed, Apr 22

5:00 am - 11:10 am

LIS

PDX

14h 10m

1 stop

9:20 am - 2:55 pm

PDX

LIS

21h 35m

2 stops

$969Delta

Fri, Apr 17 - Thu, May 7

5:00 am - 11:10 am

LIS

PDX

14h 10m

1 stop

9:20 am - 2:55 pm

PDX

LIS

21h 35m

2 stops

$970Delta

Fri, Apr 17 - Thu, May 7

Turkish Airlines flights from Portugal to State of Washington

Our best Turkish Airlines deals on Portugal to State of Washington flight tickets

Turkish Airlines

Apr 8

LIS10:55 amLisbon Humberto Delgado

38h 20m

1 stop

SEA5:15 pmSeattle/Tacoma Intl

Apr 22

SEA7:10 pmSeattle/Tacoma Intl

20h 35m

1 stop

LIS11:45 pmLisbon Humberto Delgado

$910

Turkish Airlines

Apr 8

LIS5:55 amLisbon Humberto Delgado

19h 20m

1 stop

SEA5:15 pmSeattle/Tacoma Intl

Apr 22

SEA7:10 pmSeattle/Tacoma Intl

36h 35m

1 stop

LIS3:45 pmLisbon Humberto Delgado

$913

Turkish Airlines

Apr 8

LIS4:45 pmLisbon Humberto Delgado

32h 30m

1 stop

SEA5:15 pmSeattle/Tacoma Intl

Apr 22

SEA7:10 pmSeattle/Tacoma Intl

20h 35m

1 stop

LIS11:45 pmLisbon Humberto Delgado

$914

Lufthansa flights from Portugal to State of Washington

Our best Lufthansa deals on Portugal to State of Washington flight tickets

Lufthansa

Apr 24

LIS5:05 amLisbon Humberto Delgado

15h 15m

1 stop

SEA12:20 pmSeattle/Tacoma Intl

May 9

SEA2:10 pmSeattle/Tacoma Intl

25h 25m

1 stop

LIS11:35 pmLisbon Humberto Delgado

$959

Lufthansa

Apr 18

LIS7:25 amLisbon Humberto Delgado

21h 23m

2 stops

PDX8:48 pmPortland

Apr 25

PDX8:40 amPortland

17h 55m

2 stops

LIS10:35 amLisbon Humberto Delgado

$968

Lufthansa

May 15

OPO6:00 amPorto

21h 00m

2 stops

SEA7:00 pmSeattle/Tacoma Intl

May 24

SEA6:50 pmSeattle/Tacoma Intl

20h 35m

1 stop

OPO11:25 pmPorto

$979

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

Fri 4/24

10:15 pm-5:10 pm

1 stop26h 55m

Seattle/Tacoma Intl

Sat 5/9

7:10 pm-9:35 pm

1 stop18h 25m

$720

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

Fri 5/15

10:15 pm-5:10 pm

1 stop26h 55m

Seattle/Tacoma Intl

Sat 5/30

7:10 pm-9:35 pm

1 stop18h 25m

$733

PortoSeattle

OPO - SEA

OPOSEA

Porto

Fri 5/15

7:10 am-9:40 am

2 stops34h 30m

Seattle/Tacoma Intl

Sun 5/24

3:40 pm-9:00 am

3 stops33h 20m

$784

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

Fri 4/24

9:35 am-7:23 pm

1 stop17h 48m

Seattle/Tacoma Intl

Sat 5/9

7:00 pm-9:05 pm

2 stops42h 05m

$865

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

Fri 4/24

9:35 am-7:23 pm

1 stop17h 48m

Seattle/Tacoma Intl

Sat 5/9

7:00 pm-9:05 pm

2 stops42h 05m

$874

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

Sat 9/5

4:25 pm-1:45 pm

1 stop29h 20m

Seattle/Tacoma Intl

Fri 9/18

3:55 pm-3:35 pm

1 stop15h 40m

$885

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

Wed 4/8

10:55 am-5:15 pm

1 stop38h 20m

Seattle/Tacoma Intl

Wed 4/22

7:10 pm-11:45 pm

1 stop20h 35m

$910

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

Wed 4/8

5:55 am-5:15 pm

1 stop19h 20m

Seattle/Tacoma Intl

Wed 4/22

7:10 pm-3:45 pm

1 stop36h 35m

$913

Quickest round-trip

LisbonPortland

LIS - PDX

LISPDX

Lisbon Humberto Delgado

Fri 4/17

5:00 am-11:10 am

1 stop14h 10m

Portland

Thu 5/7

9:20 am-2:55 pm

2 stops21h 35m

$969

LisbonPortland

LIS - PDX

LISPDX

Lisbon Humberto Delgado

Fri 4/17

5:00 am-11:10 am

1 stop14h 10m

Portland

Thu 5/7

9:20 am-2:55 pm

2 stops21h 35m

$970

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Portugal to State of Washington

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to State of Washington?

The month of February is, on average, the cheapest month to fly to State of Washington from Portugal, with most prices found around $825. If you aren’t able to travel to State of Washington during the month of February, then flying in May is also cheap. Prices for this month can be found on momondo for an average of $844.

Can stopping save me money on Portugal to State of Washington flights?

You could potentially save up to 16% on your flight if you consider stops on a Portugal to State of Washington flight.

Cheap Portugal to State of Washington flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portugal to State of Washington

Fastest flight time	14h 10m
Direct flights	None

The fastest flight from Portugal to State of Washington takes 14h 10m

There are no direct flights from Portugal to State of Washington. There are no popular flight routes from Portugal to State of Washington.

Search flight deals

When did momondo last update prices for flights from Portugal to Washington?
Prices for flights from Portugal to Washington were last updated today.
How many operators does momondo search for flights from Portugal to Washington?
The number of operators available for flights from Portugal to Washington is 5 as of March 2026.
How old do you have to be to fly from Portugal to Washington?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Portugal to Washington.
What documentation or ID do you need to fly to Washington?
The travel and health documents you'll need for your trip to Washington may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Portugal to State of Washington

Compare and see reviews for airlines that fly from Portugal to State of Washington with momondo

Airline	Rating	Free Cancellation	Price
Air France	PriceFrom $762	Free Cancellation	Rating 7.4 1,552 reviews		Search Air France flights
Delta	PriceFrom $775	Free Cancellation	Rating 7.9 8,326 reviews		Search Delta flights

Why use momondo?

Why should I use momondo to find a flight deal from Portugal to Washington?

It is quick and easy to find Portugal to Washington flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Washington that suits you.

Can I find flights from Portugal to Washington with flexible booking policies on momondo?

Yes. All flights to Washington from Portugal on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Portugal to Washington?

Once all potential Portugal to Washington flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Portugal to Washington right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Washington from Portugal. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.