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637 € Cheap Flights from Redmond to Lisbon

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Flight deals from Redmond to Lisbon

Looking for a cheap last-minute deal or the best return flight from Redmond Airport to Lisbon Airport? If you want to travel next month, return fares start from 865 €. Find the lowest prices on one-way and return tickets right here.
Lisbon.637 € per passenger.Departing Wed, 2 Dec, returning Thu, 10 Dec.Return flight with Delta.Outbound indirect flight with Delta, departs from Redmond on Wed, 2 Dec, arriving in Lisbon.Inbound indirect flight with Delta, departs from Lisbon on Thu, 10 Dec, arriving in Redmond.Price includes taxes and charges.From 637 €, select.
Lisbon.674 € per passenger.Departing Sat, 7 Nov, returning Wed, 11 Nov.Return flight with Delta.Outbound indirect flight with Delta, departs from Redmond on Sat, 7 Nov, arriving in Lisbon.Inbound indirect flight with Delta, departs from Lisbon on Wed, 11 Nov, arriving in Redmond.Price includes taxes and charges.From 674 €, select.
Lisbon.729 € per passenger.Departing Mon, 21 Sep, returning Wed, 14 Oct.Return flight with Delta.Outbound indirect flight with Delta, departs from Redmond on Mon, 21 Sep, arriving in Lisbon.Inbound indirect flight with Delta, departs from Lisbon on Wed, 14 Oct, arriving in Redmond.Price includes taxes and charges.From 729 €, select.
Lisbon.865 € per passenger.Departing Fri, 10 Jul, returning Thu, 16 Jul.Return flight with Delta.Outbound indirect flight with Delta, departs from Redmond on Fri, 10 Jul, arriving in Lisbon.Inbound indirect flight with Delta, departs from Lisbon on Thu, 16 Jul, arriving in Redmond.Price includes taxes and charges.From 865 €, select.
Lisbon.1.096 € per passenger.Departing Fri, 15 Jan, returning Tue, 19 Jan.Return flight with Alaska Airlines and TAP Air Portugal.Outbound indirect flight with Alaska Airlines, departs from Redmond on Fri, 15 Jan, arriving in Lisbon.Inbound indirect flight with TAP Air Portugal, departs from Lisbon on Tue, 19 Jan, arriving in Redmond.Price includes taxes and charges.From 1.096 €, select.
Lisbon.1.198 € per passenger.Departing Sat, 25 Jul, returning Sat, 1 Aug.Return flight with Alaska Airlines and Ryanair.Outbound indirect flight with Alaska Airlines, departs from Redmond on Sat, 25 Jul, arriving in Lisbon.Inbound indirect flight with Ryanair, departs from Lisbon on Sat, 1 Aug, arriving in Redmond.Price includes taxes and charges.From 1.198 €, select.

Find the cheapest month to fly from Redmond to Lisbon

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Redmond to Lisbon flights are currently cheapest in December.
Jun
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Jul
from 865 €
Aug
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Sep
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Oct
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Nov
from 674 €
Dec
from 637 €
Jan
from 1.096 €
Feb
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Mar
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Apr
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May
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Redmond to Lisbon: Alternative routes

Compare routes from Redmond to Lisbon below. You may find an airport to fly into that's cheaper, faster, or easier than Lisbon.

Lisbon

8km from central Lisbon
ClosestCheapest
from 637 €
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Cascais Municipal Aerodrome

19km from central Lisbon
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Redmond to Lisbon: Flight information

The things to know before you go.
Cheapest flight found637 €
Cheapest month to flyDecember

Finding cheap flights from Redmond to Lisbon: Frequently asked questions

The best price we found for a return flight from Redmond to Lisbon is 637 €. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Redmond to Lisbon. But we found flights with one or more stops from 637 €.
As of June 2026, there are no flights flying from Redmond to Lisbon.
The cheapest month to fly from Redmond to Lisbon is usually December.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Redmond Airport to Lisbon Airport on Wednesday, 2 December 2026.
No airlines currently offer direct flights between Redmond Airport and Lisbon Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Lisbon but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Lisbon is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Delta offers the cheapest flight tickets to Lisbon.

Flying from Redmond Airport (RDM) to Lisbon Airport (LIS): what you need to know

  • The timezone in Lisbon is UTC+0, which is eight hours ahead of Redmond.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are travel rules worth sticking to. Show up at the airport on time to board your RDM to LIS flight.

  • During popular months like July, it's best to get to the airport well in advance. Arrive two hours before a domestic departure and four hours ahead of an international flight whenever you're travelling during a peak period in general.

How to find the cheapest flights from Redmond Airport (RDM) to Lisbon Airport (LIS)

  • 381 € is currently the best price for a one-way Redmond Airport to Lisbon Airport flight. A return flight starts at 637 €. These prices may change based on availability.

  • It's usually best to book ahead of time if you're hoping to get cheap tickets from RDM to LIS. That's because airlines change prices based on demand, which tends to increase closer to departure.

  • If you're flexible with your travel dates, use the 'Whole month' search tool. It'll show you the cheapest price across each month when looking for a flight from Redmond Airport to Lisbon Airport.

  • Snapping up cheap flights from RDM to LIS is easy with Price Alerts. Simply create one of these automatic alerts and we'll get in touch as soon as fares go down.

  • Find the ideal flight for you by using the filters. To see the 'Cheapest,' 'Best' or 'Fastest' flights from Redmond Airport to Lisbon Airport, use the 'Sort by' tool. You can also filter results by airline, arrival and departure times, and journey duration.

Handy information about Redmond Airport (RDM)

  • 82% of flights departing from Redmond Airport reach their destination on schedule. Given its solid on-time performance, disruptions are unlikely when setting off from RDM.

  • Redmond Airport is around 6 kilometres from central Redmond. If you're driving, ride-sharing or catching a taxi from the centre, it'll take you 10 minutes or so to arrive, depending on the traffic.

  • The journey when using public transport usually takes 25 minutes.

  • Need a handy hotel close to RDM? If you're boarding an early flight from Redmond Airport to Lisbon Airport, these stays will have you sleeping moments from your departure gate:

Arriving at Lisbon Airport (LIS)

Getting from Lisbon Airport (LIS) to central Lisbon

  • From Lisbon Airport, Lisbon is approximately 8 kilometres away. It takes around 20 minutes to reach the centre driving.

  • It takes roughly 25 minutes to get there by public transport.

When to fly to Lisbon Airport (LIS)

  • The quietest month for a flight from Redmond Airport to Lisbon Airport is March, while August is the busiest. Pick the best time to visit Lisbon based on whether you prefer a more fast-paced or easygoing experience.

  • The warmest month in Lisbon is August, with temperatures ranging between 16ºC (61ºF) and 29ºC (84ºF). Book your flights from Redmond Airport to Lisbon Airport in this month if this is the type of weather you enjoy.

  • Search for cheap tickets from RDM to LIS in January if you like cooler conditions. Temperatures are at their lowest then, ranging between 8ºC (46ºF) and 16ºC (61ºF) on average.

Explore more of Portugal

  • Lisbon has plenty going for it, but there are so many other corners of Portugal just waiting to be discovered. Around 274 kilometres north of Lisbon, a trip to Porto will fill your itinerary to the brim. Start with leading attractions like Ribeira District, Rio Douro and Livraria Lello.

  • Around 8 kilometres north-west of Lisbon, Amadora is another essential stop in Portugal. Start your sightseeing at Roman Villa, Park Fantasia and Palácio dos Condes da Lousã.

Plan the rest of your trip from Redmond to Lisbon

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.