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Cheap flights from San Juan to Lisbon (LIS)

SJU — LIS
Oct 23 — Oct 301
Fri 10/23
Fri 10/30
1 adult, Economy
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Find flight deals from San Juan to Lisbon

Popular in

July

Cheapest in

February

Average price

$1,173
Highest demand for flights based on searches. 18% potential increase in price ($194 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($31 potential savings vs. average RT price).
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Average for round-trip flights in September 2026
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Best time to book a flight from San Juan to Lisbon

Have a flexible travel schedule? Discover the best time to fly to Lisbon from San Juan with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from San Juan to Lisbon

How far ahead should I book a flight from San Juan to Lisbon?

The best time to book flights from San Juan to Lisbon is 45 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from San Juan to Lisbon?

Currently, February is the cheapest month in which you can book a flight from San Juan to Lisbon (average of $576). Flying from San Juan to Lisbon in July is currently the most expensive (average of $1,196). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Lisbon

Read reviews from past customers who have flown KLM,Delta, andUnited Airlines from San Juan to Lisbon. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,575 reviews

Boarding

7.8

Overall

7.8

Food

7.3

Comfort

7.7

Crew

8.4

Entertainment

7.2

Reviews

1 / 20
8.0
Excellent

Meghana,Aug 2026

QRO - ATL

It was a good one. They were very friendly and helpful
KLM
7.8
Good
1,575 reviews
KLM
7.8
Good
1,575 reviews

Boarding

7.8

Overall

7.8

Food

7.3

Comfort

7.7

Crew

8.4

Entertainment

7.2

Reviews

1 / 20
8.0
Excellent

Meghana,Aug 2026

QRO - ATL

It was a good one. They were very friendly and helpful
Delta
7.8
Good
8,594 reviews
KLM
7.8
Good
1,575 reviews

Boarding

7.8

Overall

7.8

Food

7.3

Comfort

7.7

Crew

8.4

Entertainment

7.2

Reviews

1 / 20
8.0
Excellent

Meghana,Aug 2026

QRO - ATL

It was a good one. They were very friendly and helpful
United Airlines
7.4
Good
10,229 reviews
KLM
7.8
Good
1,575 reviews

Boarding

7.8

Overall

7.8

Food

7.3

Comfort

7.7

Crew

8.4

Entertainment

7.2

Reviews

1 / 20
8.0
Excellent

Meghana,Aug 2026

QRO - ATL

It was a good one. They were very friendly and helpful
American Airlines
7.0
Good
12,077 reviews
KLM
7.8
Good
1,575 reviews

Boarding

7.8

Overall

7.8

Food

7.3

Comfort

7.7

Crew

8.4

Entertainment

7.2

Reviews

1 / 20
8.0
Excellent

Meghana,Aug 2026

QRO - ATL

It was a good one. They were very friendly and helpful
Iberia
7.0
Good
3,249 reviews
KLM
7.8
Good
1,575 reviews

Boarding

7.8

Overall

7.8

Food

7.3

Comfort

7.7

Crew

8.4

Entertainment

7.2

Reviews

1 / 20
8.0
Excellent

Meghana,Aug 2026

QRO - ATL

It was a good one. They were very friendly and helpful

Related info for your journey

  • What airport do you fly into for flights to Lisbon from San Juan?

    Located just 4.2 mi from the city center, Lisbon Humberto Delgado is the airport most travelers will use when flying to Lisbon from San Juan. Booking flights from San Juan to Humberto Delgado (LIS) should be relatively easy as there are 0 daily inbound flights from San Juan from 5 different airlines.

  • What are the cheapest airlines flying from San Juan to Lisbon round-trip?

    United Airlines, at $432, was found to be the cheapest airline from San Juan to Lisbon.Alternate airlines to your destination round-trip include KLM and Delta. You may be able to fly from San Juan to Lisbon for 50% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from San Juan to Lisbon one-way?

    One-way options have recently been found by users for as low as $388 on United Airlines. Other airlines that offer cheap prices include Delta from $396 and Iberia from $429 one-way.

  • Can I find deals for flights from San Juan to Lisbon that include hotel bookings?

    Yes. In addition to deals on San Juan to Lisbon flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Juan to Lisbon?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Juan to Lisbon.

  • Can I find deals for business class flights from San Juan to Lisbon?

    Yes. Cheapflights offers flight deals from San Juan to Lisbon by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from San Juan to Lisbon?

    Currently, February is the cheapest month in which you can book a flight from San Juan to Lisbon (average of $576). Flying from San Juan to Lisbon in July is currently the most expensive (average of $1,196). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Lisbon?

Book flights to Lisbon if you plan to visit one of these locations
Fátima
Ericeira
Oeiras
Torres Vedras
Beja
Nazaré
Colares
Sesimbra

Browse thousands of different options on Cheapflights for your next trip

Top 5 airlines flying from San Juan to Lisbon

AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$432Average$800FlexibilityNo cancel feeOn-time69%
KLMCheapest$493Average$582FlexibilityNo cancel feeOn-time75%
DeltaCheapest$570Average$712FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$570Average$943FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$584Average$878FlexibilityNo cancel feeOn-time71%

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