Are direct flights from Seattle to Lisbon always the best option?

Direct flights offer convenience by minimizing travel time and avoiding layovers, but they are not always the most budget-friendly choice. Flights with one or more connections can often be cheaper. Consider your priorities for cost versus convenience when making your decision.

Can flexible travel dates help on Seattle to Lisbon flights?

Yes, being flexible with your travel dates can significantly impact the price of flights. Shifting your departure or return by a few days, especially to travel during off-peak times, may result in considerable savings. Weekday travel is often less expensive than weekend travel.

What extra costs should I check before booking Seattle to Lisbon flights?

Before booking, always check for potential extra costs such as baggage fees, seat selection charges, and in-flight meal costs. Some airlines may also charge for printing boarding passes at the airport. Factor these into your total travel budget to avoid surprises.

Flights From Seattle

To Lisbon

Cheap Flights from Seattle to Lisbon

Browse current best options from Seattle. Become a member to unlock all deals and get alerts when new deals appear.

Deals from

Seattle

RatePunk searches hundreds of travel sites at once for deals on flights to Lisbon

Prices updated 13 days ago

406 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Aug 2, 2026.)

Today’s best flight deals from Seattle to Lisbon

Explore current cheapest deals departing from Seattle to Lisbon

2026-11-17 – 2026-11-27
SEA - Lisbon
75% AI deal score
$696
$688
Round trip
2026-10-13 – 2026-10-21
SEA - Lisbon
74% AI deal score
$700
$702
Round trip
2026-11-02 – 2026-11-10
SEA - Lisbon
76% AI deal score
$666
$712
Round trip
2026-11-02 – 2026-11-12
SEA - Lisbon
77% AI deal score
$663
$713
Round trip
2026-11-11 – 2026-11-25
SEA - Lisbon
77% AI deal score
$678
$717
Round trip
2026-11-11 – 2026-11-18
SEA - Lisbon
76% AI deal score
$693
$717
Round trip
2026-11-17 – 2026-11-24
SEA - Lisbon
76% AI deal score
$709
$717
Round trip
2026-11-10 – 2026-11-17
SEA - Lisbon
76% AI deal score
$684
$722
Round trip
2027-01-03 – 2027-01-13
SEA - Lisbon
78% AI deal score
$718
$722
Round trip
2026-11-14 – 2026-11-22
SEA - Lisbon
77% AI deal score
$687
$724
Round trip

Seattle to Lisbon: Overview

Insights for flights from Seattle to Lisbon

For flights from Seattle to Lisbon, fares typically range from $824–$1230, with a median of $1053. Right now, current fares are near the typical level for this route. Only about 10% of recent fares were classified as a good price, indicating that finding a significant discount can be challenging. New deals appear almost daily, so setting up a price alert could be beneficial for tracking price movements.

If you're looking for cheap flights from Seattle to Lisbon, the data shows that January is typically the most affordable month to fly, with a median fare of $404. Other cost-effective options include April, with a median fare of $529, and May, where the median fare is $554. These months offer significantly lower prices compared to the overall median for the route.

Most itineraries from Seattle to Lisbon involve connections. Currently, 0% of recent fares were for direct flights from Seattle to Lisbon. This means that most itineraries connect at least once, with a typical journey involving 2 stopovers.

A typical journey from Seattle to Lisbon takes approximately 29h 31m, including connections. Given that most itineraries involve multiple stops, this duration reflects the total travel time from departure to arrival, accounting for layovers.

The distance between Seattle and Lisbon is approximately 8372 kilometers. This classifies the route as a long-haul journey, which typically involves extended flight times and often requires connecting flights.

How much is a round trip from Seattle to Lisbon

Regular price: $623 - $1,467

Prices for flights from Seattle to Lisbon are currently below the regular range.

The regular price range for flights from Seattle to Lisbon is $623 to $1467. The current lowest deal is $612 with Icelandair, for travel from Oct 23-Oct 29.

now $612

Low $623

High $1,467

The cheapest time to fly from Seattle to Lisbon

The cheapest month to fly from Seattle to Lisbon is January, with a median price of $404. The most expensive month is June, with a median price of $1307. Generally, prices are lower from January to December.

January

Cheapest

Flights from $404

June

Most Expensive

Flights from $1,307

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from Seattle to Lisbon

Icelandair

Air France

Lufthansa

Aer Lingus

Last-minute flights going from Seattle to Lisbon

Sun, Sep 6

⌛ Last-Minute

SEA - Lisbon

Seattle (SEA) - Lisbon (LIS)

Icelandair

$823

$790

One-way

Sun, Sep 20

⌛ Last-Minute

SEA - Lisbon

Seattle (SEA) - Lisbon (LIS)

Alaska Airlines, Inc.

$854

$869

One-way

Mon, Sep 21

⌛ Last-Minute

SEA - Lisbon

Seattle (SEA) - Lisbon (LIS)

Icelandair

$835

$768

One-way

Tue, Sep 22

⌛ Last-Minute

SEA - Lisbon

Seattle (SEA) - Lisbon (LIS)

Air Canada

$835

$794

One-way

Wed, Sep 23

⌛ Last-Minute

SEA - Lisbon

Seattle (SEA) - Lisbon (LIS)

Lufthansa

$838

$802

One-way

Thu, Sep 24

⌛ Last-Minute

SEA - Lisbon

Seattle (SEA) - Lisbon (LIS)

Lufthansa

$858

$855

One-way

Biggest price drops on these dates for flights from Seattle to Lisbon

7 nights

Feb 17 - Feb 24

$945 → $742

21%

7 nights

Feb 16 - Feb 23

$945 → $744

21%

7 nights

Feb 10 - Feb 17

$939 → $742

21%

7 nights

Feb 9 - Feb 16

$913 → $744

19%

Popular Airports to fly from Seattle to Lisbon

Seattle - Lisbon route insights

💸 Price insights

Recent fares are near the typical level

Recent fares from Seattle to Lisbon are near the typical level of $1053.

📅 Best time to fly

January is historically cheapest at $404

Historically, January is the cheapest month to fly from Seattle to Lisbon, with a median price of $404.

⏱️ Flight duration

Flights typically take 29h 31m

Flights from Seattle to Lisbon typically take 29h 31m, with 2 stopovers being common.

✈️ Airlines & availability

Connecting flights are dominant

Connecting flights are dominant on this route, with no direct flights available in the last 90 days.

🏆 Airline highlight

Icelandair offers deals on connecting flights

Icelandair has offered 10 deals on connecting flights from Seattle to Lisbon recently.

🎯 Booking tip

Deals are frequent on this route

Deals for flights from Seattle to Lisbon are frequent, appearing within a 30-day window.

Seattle main airports to depart from

Seattle–Tacoma International (SEA)

Cheapest

Seattle–Tacoma International is often the cheapest option for flights from Seattle to Lisbon.

📍 ~15 km from city center (reachable by car or train)

💸 Flights from ~$702

Lisbon main airports to arrive at

Lisbon Portela (LIS)

Cheapest

Lisbon Portela is a convenient arrival airport for flights from Seattle to Lisbon.

📍 ~7 km from city center (reachable by car)

💸 Flights from ~$702

Airports nearby Lisbon used as alternative

Porto (OPO)

Porto Airport offers an extensive route network and excellent rail connectivity, making it a strong alternative.

📍 ~275 km from Lisbon (reachable by train or car, ~3 hours travel time).

💸 Flights from ~$734

Business & First Class Flight Deals to Lisbon

94% AI deal score

$6,510

$3,376

Save $3,134

Frequently Asked Questions About Flights to Lisbon

To find more affordable flights, consider being flexible with your travel dates and times. Comparing prices across different airlines and booking sites can also help you discover better deals. Setting up price alerts may notify you when fares drop for your desired route.

Booking flights in advance, often several months before your trip, can sometimes result in lower prices. However, prices can fluctuate, so monitoring fares over time may help you identify a good booking window. Weekday bookings are also sometimes more affordable than weekend bookings.

Comparing nearby airports for both your origin and destination can sometimes reveal more economical flight options. While it might add to your ground travel, the savings on airfare could be significant. Always factor in the additional time and cost of transportation to and from alternative airports.

Seattle to Lisbon: Overview

Insights for flights from Seattle to Lisbon

How much is a round trip from Seattle to Lisbon

Regular price: $623 - $1,467

Prices for flights from Seattle to Lisbon are currently below the regular range.

The regular price range for flights from Seattle to Lisbon is $623 to $1467. The current lowest deal is $612 with Icelandair, for travel from Oct 23-Oct 29.

now $612

Low $623

High $1,467

The cheapest time to fly from Seattle to Lisbon

January

Cheapest

Flights from $404

June

Most Expensive

Flights from $1,307

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec