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Cheap flights from San Juan to Japan

SJU — FUK
Nov 5 — Nov 121
Thu 11/5
Thu 11/12
1 adult, Economy
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Find flight deals from San Juan to Japan

Popular in

December

Cheapest in

April

Average price

$1,411
Highest demand for flights based on searches. 11% potential increase in price ($211 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($43 potential savings vs. average RT price).
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Average for round-trip flights in October 2026
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Cheapflights Insights

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

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

Booking 7 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Juan to Japan. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, September is the cheapest month in which you can book a flight from San Juan to Japan (average of $801). Flying from San Juan to Japan in December is currently the most expensive (average of $1,953). 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 Japan

Read reviews from past customers who have flown Japan Airlines,Delta, andUnited Airlines from San Juan to Japan. 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.
Japan Airlines
8.3
Very good
1,932 reviews

Crew

8.7

Overall

8.3

Food

7.7

Entertainment

7.8

Boarding

8.4

Comfort

8.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2026

ICN - NRT

Terrible experience. The staff did not want to help out. Then they lost my bag and would not take responsibility. I’m still waiting for my belongings
Japan Airlines
8.3
Very good
1,932 reviews
Japan Airlines
8.3
Very good
1,932 reviews

Crew

8.7

Overall

8.3

Food

7.7

Entertainment

7.8

Boarding

8.4

Comfort

8.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2026

ICN - NRT

Terrible experience. The staff did not want to help out. Then they lost my bag and would not take responsibility. I’m still waiting for my belongings
Delta
7.8
Good
8,632 reviews
Japan Airlines
8.3
Very good
1,932 reviews

Crew

8.7

Overall

8.3

Food

7.7

Entertainment

7.8

Boarding

8.4

Comfort

8.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2026

ICN - NRT

Terrible experience. The staff did not want to help out. Then they lost my bag and would not take responsibility. I’m still waiting for my belongings
United Airlines
7.4
Good
10,289 reviews
Japan Airlines
8.3
Very good
1,932 reviews

Crew

8.7

Overall

8.3

Food

7.7

Entertainment

7.8

Boarding

8.4

Comfort

8.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2026

ICN - NRT

Terrible experience. The staff did not want to help out. Then they lost my bag and would not take responsibility. I’m still waiting for my belongings
Air Canada
7.1
Good
11,728 reviews
Japan Airlines
8.3
Very good
1,932 reviews

Crew

8.7

Overall

8.3

Food

7.7

Entertainment

7.8

Boarding

8.4

Comfort

8.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2026

ICN - NRT

Terrible experience. The staff did not want to help out. Then they lost my bag and would not take responsibility. I’m still waiting for my belongings
American Airlines
7.0
Good
12,134 reviews
Japan Airlines
8.3
Very good
1,932 reviews

Crew

8.7

Overall

8.3

Food

7.7

Entertainment

7.8

Boarding

8.4

Comfort

8.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2026

ICN - NRT

Terrible experience. The staff did not want to help out. Then they lost my bag and would not take responsibility. I’m still waiting for my belongings

Related info for your journey

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

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

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

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

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

    Yes. Cheapflights offers flight deals from San Juan to Japan 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 Japan?

    Currently, September is the cheapest month in which you can book a flight from San Juan to Japan (average of $801). Flying from San Juan to Japan in December is currently the most expensive (average of $1,953). 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

Browse thousands of different options on Cheapflights for your next trip

Top 4 airlines flying from San Juan to Japan

AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$781Average$1,070FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$1,049Average$1,666FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$1,050Average$1,673FlexibilityNo cancel feeOn-time71%
DeltaCheapest$1,179Average$1,641FlexibilityNo cancel feeOn-timeN/A

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