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Cheap flights from Portland to Lisbon

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Find the cheapest flights from Portland to Lisbon

Cheap return flights

These are some of the best return flight deals from Portland to Lisbon that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Portland to Lisbon.

Cheap last-minute flights

Planning a quick getaway from Portland to Lisbon? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Lisbon, so you can enjoy a seamless trip without stopovers.

Cheap bus & train deals from Portland to Lisbon

Find recent round-trip train or bus tickets from Portland to Lisbon.

All round-trip flight deals to Lisbon

The cheapest plane tickets to Lisbon found on KAYAK recently.
PDX-LIS
13714 kmmulti-stop
LIS-PDX
13714 kmmulti-stop
Multiple Airlines
Find Deal
PDX-LIS
13714 kmmulti-stop
Multiple Airlines
Find Deal

See travel insights to Lisbon from

How to get the cheapest flight ticket from Portland to Lisbon

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

What is the cheapest month to fly to Lisbon?

In general, February is the cheapest month to fly from Portland to Lisbon. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around R10 751. If you’re not able to fly to Lisbon in February, then January is your next best option. Flight prices from Portland to Lisbon during January average around R11 439.

How far in advance should I book a flight to Lisbon?

In general, most travellers find the cheapest time to book a flight to Lisbon is about 25 days prior to their departure date, when tickets on average are R17 594. Keep in mind that you might also find cheap flights to Lisbon outside of this time window. In fact, momondo users recently found flights from Portland to Lisbon for R190 007.

How have Portland to Lisbon flight prices changed over time?

As of November 2024, prices for Portland to Lisbon flights are approximately 2% more expensive when compared to flights at the same time last year.

When to book flights from Portland to Lisbon

Are you open to changing your travel dates? Check out the ideal times to fly from Portland to Lisbon according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Portland to Lisbon (PDX to LIS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland to Lisbon

Direct flights

None
There are no direct flights from Portland to Lisbon. There are no popular flight routes from Portland to Lisbon.

  • How far is Portland to Lisbon Humberto Delgado by plane?

    The straight-line distance from Portland to Lisbon Humberto Delgado is 8536,3 km.

  • When did momondo last update prices for flights from Portland Airport to Lisbon Humberto Delgado Airport?

    Prices for flights from Portland Airport to Lisbon Humberto Delgado Airport were last updated today.

  • How old do you have to be to fly from Portland Airport to Lisbon Humberto Delgado Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Portland Airport to Lisbon Humberto Delgado Airport.

  • What documentation or ID do you need to fly to Lisbon Humberto Delgado Airport?

    The travel and health documents required for your trip to Lisbon Humberto Delgado Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Lisbon Humberto Delgado Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.


Why use momondo?

Why should I use momondo to find a flight deal from Portland to Lisbon?

It is quick and easy to find Portland to Lisbon 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 Lisbon that suits you.

Can I find flights from Portland to Lisbon with flexible booking policies on momondo?

momondo does allow users to show only those flights to Lisbon from Portland which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Portland to Lisbon?

Once all potential Portland to Lisbon 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 Portland to Lisbon right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Lisbon, momondo offers a useful price alert feature which will track prices for flights to Lisbon from Portland and alert you when they change.


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