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Due to coronavirus (COVID-19) travel advisories, some destinations may be unavailable for certain dates. Find out more.

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Amazing Air Canada SEA to LIS Flight Deals

The cheapest flights to Humberto Delgado found within the past 7 days were $812 round trip and $700 one way. Prices and availability subject to change. Additional terms may apply.



FAQs about Air Canada Flights from SEA to LIS
Can I catch a flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Lisbon (LIS-Humberto Delgado) right now?

For any present Lisbon (LIS-Humberto Delgado) travel advice and quarantine requirements, go to the Covid-19 Travel Advisor. Look before you arrange your flight, so you don't get caught up.

If I am not able to travel due to COVID-19, can I change my booking to a later date?

For more info about changing your flight to Lisbon Airport, please visit our Customer Service Portal.

What is the best day to buy a plane ticket?

This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2020. Wednesday and Friday prices are also good, but you may want to prepare your budget if booking on a Sunday, as data shows the end of the week is when prices are generally at their highest.

What are the cheapest days to fly?

Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2020, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.

How far in advance can you book a flight?

Trying to figure out how early you should book your flight? It's possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2020 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 2 weeks to 2 months prior to their travel dates.

How can I save money on airline tickets?

We'll let you in on a secret...You can save big on flights if you mix and match your airlines and fare types. In fact, travelers who booked flights on Travelocity in 2020 saved nearly 40% when their return flights consisted of two different airlines or fare types.

*According to flight demand on Travelocity.com from January to December 2020. Savings are subject to change based on departure location, date and destination.

Travelers ❤️ these 🏨 after their flight to Lisbon

TRYP Lisboa Aeroporto
TRYP Lisboa Aeroporto
4.0 out of 5.0 Aeroporto Internacional de Lisboa, Rua C, Lisbon
$107
4.4/5 (7 reviews)

The property was modern and very nice. I was disappointed with the staff, when I checked in I was not advised how to use the elevator nor that the room numbers were on the floor. I was traveling with a friend and very uncomfortable to shower and dress. No privacy.

Reviewed on Oct 5, 2019
A full-service spa, an outdoor pool, and a restaurant are all featured at this smoke-free hotel. Traveling on business? Take advantage of the business center, ...
Hotel Star Inn Lisbon Aeroporto
Hotel Star Inn Lisbon Aeroporto
3.0 out of 5.0 Aeroporto Internacional Lisboa, Rua C-2, Lisbon
$81
4.7/5 (3 reviews)

The front desk person was amazing. Very helpful. The room was nice and clean, small but comfy. What I didn’t like was there were no wash clothes to shower and no mini toothpaste! Other than that it was great!

Reviewed on Oct 28, 2019
A restaurant and a bar/lounge are featured at this hotel. Traveling on business? Take advantage of the free WiFi in public areas and free airport shuttle. Self ...
Corinthia Lisbon
Corinthia Lisbon
5.0 out of 5.0 Avenida Columbano Bordalo Pinheiro, 105, Lisbon
$165
4.0/5 (3 reviews)

I made a mistake in the original booking due to the fact that my family was meeting me in Lisbon. We told them upon arrival that there were actually 4 people knowing that we would need to pay extra. The hotel said they could not put 4 people in a superior double room and required us to pay for an ...

Reviewed on Jun 30, 2019
A full-service spa, 2 restaurants, and an indoor pool are all featured at this luxury hotel. Families will appreciate the children's pool, kid-friendly dining, ...