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

Virgin Atlantic and British Airways are the most popular carriers operating from Portugal to Washington

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

If you’re flying from a popular airport in Portugal, such as Porto or Lisbon, and flying into State of Washington, then you can expect flight times to average 14h 47m and 14h 50m, respectively.

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 4 as of June 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.

$334 Cheap Flights from Portugal to Washington in 2026

Discover deals from 900+ travel sites with momondo.

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.

10:00 am - 7:23 pm

LIS

SEA

17h 23m

1 stop

7:20 am - 8:00 am

SEA

LIS

16h 40m

1 stop

$449Virgin Atlantic

Mon, Nov 23 - Sat, Jan 9

11:15 am - 11:47 pm

LIS

PDX

20h 32m

2 stops

6:04 am - 8:00 am

PDX

LIS

17h 56m

2 stops

$501Virgin Atlantic

Tue, Dec 1 - Sun, Jan 24

10:00 am - 9:27 pm

LIS

PDX

19h 27m

1 stop

7:00 am - 8:00 am

PDX

LIS

17h 00m

1 stop

$659Virgin Atlantic

Tue, Dec 1 - Sun, Jan 24

6:15 am - 9:40 am

LIS

SEA

35h 25m

2 stops

3:40 pm - 6:55 pm

SEA

LIS

19h 15m

2 stops

$684Multiple Airlines

Mon, Aug 24 - Mon, Aug 31

6:15 am - 9:40 am

LIS

SEA

35h 25m

2 stops

3:40 pm - 11:00 pm

SEA

LIS

23h 20m

3 stops

$710Multiple Airlines

Mon, Aug 24 - Mon, Aug 31

8:55 pm - 1:45 pm

LIS

SEA

24h 50m

1 stop

3:55 pm - 10:05 pm

SEA

LIS

22h 10m

1 stop

$846Scandinavian Airlines

Fri, Aug 21 - Fri, Sep 4

5:00 am - 11:47 am

OPO

SEA

14h 47m

1 stop

1:40 pm - 10:35 am

SEA

OPO

12h 55m

1 stop

$861Delta

Mon, Nov 23 - Sat, Jan 9

11:05 am - 10:51 pm

LIS

SEA

19h 46m

1 stop

1:30 pm - 3:35 pm

SEA

LIS

18h 05m

1 stop

$865American Airlines

Fri, Oct 16 - Tue, Oct 20

5:00 am - 6:55 pm

OPO

SEA

21h 55m

2 stops

7:20 am - 10:35 am

SEA

OPO

19h 15m

2 stops

$867Delta

Mon, Nov 23 - Sat, Jan 9

4:55 pm - 10:26 pm

LIS

PDX

37h 31m

2 stops

10:00 am - 4:05 pm

PDX

LIS

46h 05m

2 stops

$868Scandinavian Airlines

Thu, Nov 12 - Mon, Nov 16

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Virgin Atlantic flights from Portugal to State of Washington

Our best Virgin Atlantic deals on Portugal to State of Washington flight tickets

Virgin Atlantic

Nov 23

LIS10:00 amLisbon Humberto Delgado

17h 23m

1 stop

SEA7:23 pmSeattle/Tacoma Intl

Jan 9

SEA6:00 amSeattle/Tacoma Intl

18h 00m

2 stops

LIS8:00 amLisbon Humberto Delgado

$449

Virgin Atlantic

Dec 1

LIS11:15 amLisbon Humberto Delgado

20h 32m

2 stops

PDX11:47 pmPortland

Jan 24

PDX6:04 amPortland

17h 56m

2 stops

LIS8:00 amLisbon Humberto Delgado

$501

Virgin Atlantic

Dec 1

LIS10:00 amLisbon Humberto Delgado

19h 27m

1 stop

PDX9:27 pmPortland

Jan 24

PDX7:00 amPortland

17h 00m

1 stop

LIS8:00 amLisbon Humberto Delgado

$659

Delta flights from Portugal to State of Washington

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

Delta

Nov 23

OPO5:00 amPorto

14h 47m

1 stop

SEA11:47 amSeattle/Tacoma Intl

Jan 9

SEA1:40 pmSeattle/Tacoma Intl

12h 55m

1 stop

OPO10:35 amPorto

$861

Delta

Nov 23

OPO5:00 amPorto

21h 55m

2 stops

SEA6:55 pmSeattle/Tacoma Intl

Jan 9

SEA7:20 amSeattle/Tacoma Intl

19h 15m

2 stops

OPO10:35 amPorto

$867

Delta

Sep 1

LIS5:00 amLisbon Humberto Delgado

19h 54m

2 stops

SEA4:54 pmSeattle/Tacoma Intl

Sep 15

SEA7:15 amSeattle/Tacoma Intl

20h 00m

2 stops

LIS11:15 amLisbon Humberto Delgado

$874

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

Mon 11/23

10:00 am-7:23 pm

1 stop17h 23m

Seattle/Tacoma Intl

Sat 1/9

7:20 am-8:00 am

1 stop16h 40m

$449

LisbonPortland

LIS - PDX

LISPDX

Lisbon Humberto Delgado

Tue 12/1

11:15 am-11:47 pm

2 stops20h 32m

Portland

Sun 1/24

6:04 am-8:00 am

2 stops17h 56m

$501

LisbonPortland

LIS - PDX

LISPDX

Lisbon Humberto Delgado

Tue 12/1

10:00 am-9:27 pm

1 stop19h 27m

Portland

Sun 1/24

7:00 am-8:00 am

1 stop17h 00m

$659

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

Mon 8/24

6:15 am-9:40 am

2 stops35h 25m

Seattle/Tacoma Intl

Mon 8/31

3:40 pm-6:55 pm

2 stops19h 15m

$684

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

Mon 8/24

6:15 am-9:40 am

2 stops35h 25m

Seattle/Tacoma Intl

Mon 8/31

3:40 pm-11:00 pm

3 stops23h 20m

$710

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

Fri 8/21

8:55 pm-1:45 pm

1 stop24h 50m

Seattle/Tacoma Intl

Fri 9/4

3:55 pm-10:05 pm

1 stop22h 10m

$846

Quickest round-trip

PortoSeattle

OPO - SEA

OPOSEA

Porto

Mon 11/23

5:00 am-11:47 am

1 stop14h 47m

Seattle/Tacoma Intl

Sat 1/9

1:40 pm-10:35 am

1 stop12h 55m

$861

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

Fri 10/16

11:05 am-10:51 pm

1 stop19h 46m

Seattle/Tacoma Intl

Tue 10/20

1:30 pm-3:35 pm

1 stop18h 05m

$865

PortoSeattle

OPO - SEA

OPOSEA

Porto

Mon 11/23

5:00 am-6:55 pm

2 stops21h 55m

Seattle/Tacoma Intl

Sat 1/9

7:20 am-10:35 am

2 stops19h 15m

$867

LisbonPortland

LIS - PDX

LISPDX

Lisbon Humberto Delgado

Thu 11/12

4:55 pm-10:26 pm

2 stops37h 31m

Portland

Mon 11/16

10:00 am-4:05 pm

2 stops46h 05m

$868

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 September is, on average, the cheapest month to fly to State of Washington from Portugal, with most prices found around $553. If you aren’t able to travel to State of Washington during the month of September, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $753.

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

You could potentially save up to 7% 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 47m
Direct flights	None

The fastest flight from Portugal to State of Washington takes 14h 47m

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

Frequently asked questions about flying 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 4 as of June 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
Delta	PriceFrom $1,040	Free Cancellation	Rating 7.8 8,455 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.