Japan

$533+ Cheap flights from San Juan to Japan

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/1. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — FUK
Apr 7 — Apr 141
We work with more than 300 partners to bring you better travel deals

Find cheap flights from San Juan to Japan with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from San Juan to Japan

Cheapest flights from San Juan to Japan
Explore the most affordable flight options available from San Juan to Japan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 8, 2026.

This Mytrip deal was found by Cheapflights users on 3/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/282:59 am
SJU
-
NRT
2 stops22h 26m
Multiple Airlines
Wed 5/610:30 am
NRT
-
SJU
2 stops28h 36m
Multiple Airlines
Deal found 3/4$902
This Mytrip deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/184:34 pm
SJU
-
NRT
2 stops32h 36m
Multiple Airlines
Sat 4/2510:30 am
NRT
-
SJU
2 stops25h 54m
Multiple Airlines
Deal found 3/5$1,027
This Mytrip deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/309:54 am
SJU
-
NRT
2 stops39h 31m
Multiple Airlines
Thu 5/77:55 pm
NRT
-
SJU
3 stops34h 36m
Multiple Airlines
Deal found 3/7$1,033
This Kiwi.com deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/178:10 pm
SJU
-
NRT
1 stop30h 00m
Multiple Airlines
Tue 8/252:35 pm
NRT
-
SJU
2 stops39h 01m
Multiple Airlines
Deal found 3/6$1,077
This Kiwi.com deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/178:10 pm
SJU
-
NRT
1 stop30h 00m
Multiple Airlines
Mon 8/2410:30 am
NRT
-
SJU
2 stops25h 56m
Multiple Airlines
Deal found 3/8$1,129
This United Airlines deal was found by Cheapflights users on 3/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/111:00 am
SJU
-
HND
1 stop23h 35m
United Airlines
Tue 4/2810:20 am
HND
-
SJU
1 stop24h 04m
United Airlines
Deal found 3/4$1,139
This United Airlines deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/191:00 am
SJU
-
NRT
2 stops24h 45m
United Airlines
Tue 5/54:45 pm
NRT
-
SJU
2 stops32h 19m
United Airlines
Deal found 3/7$1,149
This FlightHub deal was found by Cheapflights users on 3/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/1811:20 pm
SJU
-
NRT
1 stop27h 40m
Multiple Airlines
Thu 4/306:25 pm
NRT
-
SJU
1 stop21h 14m
Multiple Airlines
Deal found 3/4$1,152
This United Airlines deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/147:20 am
SJU
-
HND
1 stop19h 35m
United Airlines
Sun 4/2612:30 am
HND
-
SJU
2 stops30h 08m
United Airlines
Deal found 3/3$1,157
This American Airlines deal was found by Cheapflights users on 3/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/156:00 am
SJU
-
HND
2 stops22h 30m
American Airlines
Wed 5/61:00 pm
HND
-
SJU
2 stops22h 05m
American Airlines
Deal found 3/4$1,162
This American Airlines deal was found by Cheapflights users on 3/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/1811:59 pm
SJU
-
NRT
1 stop26h 01m
American Airlines
Thu 4/309:45 am
NRT
-
SJU
2 stops21h 25m
American Airlines
Deal found 3/4$1,163
This American Airlines deal was found by Cheapflights users on 3/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/1811:59 pm
SJU
-
HND
1 stop25h 21m
American Airlines
Thu 4/3010:45 am
HND
-
SJU
1 stop25h 17m
American Airlines
Deal found 3/4$1,177

Find flight deals from San Juan to Japan

Keep the following information in mind while searching for San Juan to Japan flight deals. Data was last updated March 8, 2026.

Round-trip from

$902
(Mytrip)

One-way from

$533
(Kiwi.com)

Popular in

December

Cheapest in

November

Average price

$1,501
From San Juan to Japan
One-way flight from San Juan to Japan
Highest demand for flights based on searches. 0% potential increase in price ($7 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($33 potential savings vs. average RT price).
Average for round-trip flights in March 2026

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Juan to Japan that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 8, 2026.
Use the filters below to find and compare flights from San Juan to Japan that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San JuanTokyo

SJU - HND

SJUHND

San Juan Luis Munoz Marin Intl

Tue 4/14

7:20 am-3:55 pm

1 stop19h 35m

Tokyo Haneda

Sun 4/26

12:30 am-5:38 pm

2 stops30h 08m

$1,157

San JuanTokyo

SJU - HND

SJUHND

San Juan Luis Munoz Marin Intl

Thu 4/23

7:20 am-3:55 pm

1 stop19h 35m

Tokyo Haneda

Sat 5/2

12:30 am-5:38 pm

2 stops30h 08m

$1,207

San JuanTokyo

SJU - HND

SJUHND

San Juan Luis Munoz Marin Intl

Thu 4/16

7:20 am-3:55 pm

1 stop19h 35m

Tokyo Haneda

Sun 4/26

10:20 am-9:24 pm

1 stop24h 04m

$1,207

San JuanTokyo

SJU - HND

SJUHND

San Juan Luis Munoz Marin Intl

Sat 4/18

2:55 pm-3:05 pm

2 stops35h 10m

Tokyo Haneda

Thu 4/30

6:10 pm-8:38 pm

2 stops39h 28m

$1,209

San JuanTokyo

SJU - NRT

SJUNRT

San Juan Luis Munoz Marin Intl

Wed 4/22

1:00 am-3:25 pm

2 stops25h 25m

Tokyo Narita

Sun 5/3

4:45 pm-12:04 pm

2 stops32h 19m

$1,213

San JuanTokyo

SJU - NRT

SJUNRT

San Juan Luis Munoz Marin Intl

Wed 4/15

1:00 am-3:00 pm

2 stops25h 00m

Tokyo Narita

Sun 4/26

5:05 pm-5:38 pm

2 stops37h 33m

$1,213

San JuanTokyo

SJU - HND

SJUHND

San Juan Luis Munoz Marin Intl

Wed 4/8

1:40 pm-3:05 pm

2 stops36h 25m

Tokyo Haneda

Tue 4/21

10:20 am-9:24 pm

1 stop24h 04m

$1,259
Quickest round-trip

San JuanTokyo

SJU - HND

SJUHND

San Juan Luis Munoz Marin Intl

Tue 4/14

7:20 am-3:55 pm

1 stop19h 35m

Tokyo Haneda

Tue 4/21

5:45 pm-11:50 pm

1 stop19h 05m

$1,396

San JuanTokyo

SJU - NRT

SJUNRT

San Juan Luis Munoz Marin Intl

Tue 4/14

5:01 am-12:30 pm

2 stops42h 29m

Tokyo Narita

Tue 4/21

5:40 pm-2:07 am

2 stops45h 27m

$1,397

San JuanTokyo

SJU - HND

SJUHND

San Juan Luis Munoz Marin Intl

Mon 4/20

1:00 am-1:55 pm

2 stops23h 55m

Tokyo Haneda

Tue 4/28

9:05 pm-12:04 pm

2 stops27h 59m

$1,401

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/4

Showing 1-10 of 30 resultsSorted by cheapest first
1
2
3

Best time to book a flight from San Juan to Japan

Have a flexible travel schedule? Discover the best time to fly to Japan from San Juan with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

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

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

Currently, August is the cheapest month in which you can book a flight from San Juan to Japan (average of $682). Flying from San Juan to Japan in December is currently the most expensive (average of $1,383). 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

Get insights into the airlines that provide service to Japan. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Japan. Reviews last updated March 8, 2026.
Read reviews from past customers who have flown Japan Airlines, Delta, and United 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.

Boarding

8.4

Comfort

8.2

Overall

8.3

Entertainment

7.8

Food

7.7

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

BKK - NRT

Everything was was a great experience, the staff was very friendly and always had a smile on the face.

Boarding

8.4

Comfort

8.2

Overall

8.3

Entertainment

7.8

Food

7.7

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

BKK - NRT

Everything was was a great experience, the staff was very friendly and always had a smile on the face.

Boarding

8.4

Comfort

8.2

Overall

8.3

Entertainment

7.8

Food

7.7

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

BKK - NRT

Everything was was a great experience, the staff was very friendly and always had a smile on the face.

Boarding

8.4

Comfort

8.2

Overall

8.3

Entertainment

7.8

Food

7.7

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

BKK - NRT

Everything was was a great experience, the staff was very friendly and always had a smile on the face.

Boarding

8.4

Comfort

8.2

Overall

8.3

Entertainment

7.8

Food

7.7

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

BKK - NRT

Everything was was a great experience, the staff was very friendly and always had a smile on the face.

Boarding

8.4

Comfort

8.2

Overall

8.3

Entertainment

7.8

Food

7.7

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

BKK - NRT

Everything was was a great experience, the staff was very friendly and always had a smile on the face.

Related info for your journey

Find useful and relevant information for your journey from San Juan to Japan. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • How long is the flight from San Juan to Japan?

    United Airlines can get you from San Juan to Japan in just under 19h 35m. Your travel time can differ by up to . The distance between San Juan and Japan is about 8336 mi.

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

    For one-way options, check prices for United Airlines. According to our data, you can fly for as low as $140. Users have also found prices from $222 and $228 on Southwest and Delta, respectively.

  • 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, August is the cheapest month in which you can book a flight from San Juan to Japan (average of $682). Flying from San Juan to Japan in December is currently the most expensive (average of $1,383). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 3 airlines flying from San Juan to Japan

Discover the top 3 airlines that operate flights from San Juan to Japan. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,064Average$1,427FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$1,102Average$1,580FlexibilityNo cancel feeOn-time71%
DeltaCheapest$1,114Average$1,262FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.