Question 1

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

Accepted Answer

We help find the flight that best suits your needs; momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight for you.

Question 2

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

Accepted Answer

Yes. momondo allows you to filter the results for flights to Lisbon to just show those with flexible booking policies.

Question 3

How can momondo help me find flights to Lisbon?

Accepted Answer

Once you have performed a search for flights to Lisbon, momondo helps you find the right flight by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

Question 4

I’m not ready to book a flight to Lisbon right now. Can momondo alert me if prices change?

Accepted Answer

If you are not ready to book a flight to Lisbon now, use our insights above to find helpful tips or alternatively set up a price alert; this is where momondo will track prices on flights to Lisbon and let you know when they change.

Question 5

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

Accepted Answer

You are more likely to see cheaper flights to Lisbon from United States when booking 66 days ahead of your departure date. In general, you can expect to find flights to Lisbon for around $710 when searching 66 days out. However, in the past 72 hours, people saw flights from United States for as low as $603.

Question 6

Is there an alternative airport near Lisbon?

Accepted Answer

Cascais Aerodrome Airport can be an alternative airport used for travel to Lisbon.

Question 7

Which airlines fly to Lisbon?

Accepted Answer

There may be other airlines that fly to Lisbon from United States, but the most popular among our users are TAP AIR PORTUGAL, United Airlines, Delta and British Airways. These airlines should offer flights to Lisbon on a routine basis if you’re flying from one of the more popular airports in United States.

Question 8

KLM Flights to Lisbon

Accepted Answer

There are 27 KLM flights to Lisbon in a normal week. The most common departure point is Amsterdam Schiphol and the best KLM ticket price seen on momondo is $479 (last 72 hours, from Boston Logan Intl, to Lisbon). KLM has a score of 7.8 from 1,499 user reviews on momondo.

Question 9

Finnair Flights to Lisbon

Accepted Answer

Finnair flights to Lisbon can start from as low as $316 (round-trip, from Dallas/Fort Worth, found in the last 72 hours). Over 10 flights that Finnair operates to Lisbon in a normal week, prices can vary significantly. The most popular Finnair flight to Lisbon is from Brussels Bruxelles-National. Finnair has been rated 7.7/10 by momondo users, in 1,386 reviews.

Question 10

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

Accepted Answer

Prices for flights to Lisbon Humberto Delgado Airport refresh daily.

Question 11

How many operators does momondo search for flights to Lisbon Humberto Delgado Airport?

Accepted Answer

As of April 2026, there are 65 operators available to choose from for flights to Lisbon Humberto Delgado Airport.

Question 12

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

Accepted Answer

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel to Lisbon Humberto Delgado Airport.

Question 13

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

Accepted Answer

The required travel and health documents for your Lisbon Humberto Delgado Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Lisbon Humberto Delgado Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Question 14

What is the cheapest time of day to depart on your flight to Lisbon?

Accepted Answer

The cheapest time of day to fly to Lisbon is in the afternoon when flights can be purchased for as low as $694. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $735 on average. Flights to Lisbon from United States in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

Question 15

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

Accepted Answer

You are more likely to see cheaper flights to Lisbon from United States when booking weeks ahead of your departure date. In general, you can expect to find flights to Lisbon for around $732 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Lisbon from United States for as low as $724 on momondo.

Question 16

What is the cheapest month to fly to Lisbon?

Accepted Answer

In general, January is the cheapest month to fly from United States to Lisbon. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $513. If you are unable to visit Lisbon during the month of January, then departing from United States during the month February is also very affordable. Most momondo users find prices during this month for around $541.

Question 17

How long does it take to fly to Lisbon?

Accepted Answer

Average flight duration from United States to Lisbon depends on which airport you fly into and out of. Flying from Los Angeles to Lisbon Humberto Delgado is 11h on average, while flying from San Francisco to Lisbon Humberto Delgado is 11h 05m on average. Lisbon Humberto Delgado is the most popular airport in Lisbon.

Question 18

What is the cheapest day to depart on your flight to Lisbon?

Accepted Answer

Our data shows that Monday is the least expensive day to fly to Lisbon. Tickets to fly out on this day can be as low as $687. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from United States to Lisbon for around $803.

CHEAPEST MONTH TO FLY TO LISBON FROM LOS ANGELES	January	28% cheaper	Flying from Los Angeles to Lisbon costs on average just $558 in January
MOST EXPENSIVE MONTH TO FLY TO LISBON FROM LOS ANGELES	June	37% more expensive	It costs about $1,062 for flights to Lisbon from Los Angeles in June
MOST POPULAR MONTH TO FLY TO LISBON FROM LOS ANGELES	June	277% more users visited	More momondo users searched in flights to Lisbon from Los Angeles in June than any other month

Best One-Way Price	$305
Best Round-Trip Price	$572
Fastest flight time	7h 05m
Popular in	June

$305 Cheap flights to Lisbon

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight to Lisbon departing on 9/27. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from the United States to Lisbon

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Recent direct flight deals from the United States to Lisbon

momondo Fare Finder

Use the filters below to find and compare flights to Lisbon that are best for you.

See travel insights to Lisbon from

Lisbon flights insights and trends

What is the cheapest month to fly to Lisbon?

What is the absolute cheapest flight to Lisbon?

See prices from:

What is the cheapest day to depart on your flight to Lisbon?

What is the cheapest time of day to depart on your flight to Lisbon?

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

How long does it take to fly to Lisbon?

Cheapest flights to Lisbon Humberto Delgado

Find the cheapest flights to Lisbon Humberto Delgado from your nearest city or airport

Cheap Lisbon flight deals and tips

Summary info about Lisbon flight prices, duration and airlines

Best One-Way Price

Best Round-Trip Price

Fastest flight time

Popular in

Frequently asked questions about flying to Lisbon

Traveling to a place near Lisbon?

Why use momondo?

An easier way to manage your Lisbon Humberto Delgado trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Lisbon

Popular flights to Lisbon

Popular routes according to searches in the past day on momondo

Popular cities in Portugal

Popular flights according to clicks in the last 7 days on momondo

Airports servicing United States

Fly your favorite airline to Lisbon

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Lisbon

List of cabin classes available on flights landing in Lisbon. Availability may vary depending on flight origin and airline.

Complete your trip to Lisbon Humberto Delgado

Explore popular destinations other users love

According to popular flight searches on momondo this year