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$138+ Cheap flights from Des Moines (DSM) to San Juan

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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
DSM — SJU
Apr 5 — Apr 121
Sat 4/5
Sat 4/12
1 adult, Economy
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Cheapflights Tip: The best prices from Des Moines to San Juan are usually found in September or August, booked 15 days in advance, depart on a Monday or Tuesday and return on a Tuesday

Cheap flight deals from Des Moines to San Juan

Discover tips and strategies to find the most affordable flight options for your journey from Des Moines (DSM) to San Juan (PR1). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 31, 2025.

Round-trip from

$289
(Mytrip)

One-way from

$138
(Mytrip)

Popular in

June

Cheapest in

September

Average price

$624
From Des Moines to San Juan
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One-way flight from Des Moines to San Juan
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Highest demand for flights based on searches. 9% potential increase in price ($52 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Find flight deals from Des Moines to San Juan

Cheapest flights from Des Moines to San Juan
Explore the most affordable flight options available from Des Moines to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 31, 2025.

This Mytrip deal was found by Cheapflights users on 3/30. 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.
Mon 4/283:25 pmDSM - SJU
2 stops27h 15mMultiple Airlines
Fri 5/29:25 amSJU - DSM
1 stop13h 33mMultiple Airlines
Deal found 3/30$289
This United Airlines deal was found by Cheapflights users on 3/31. 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.
Wed 5/73:34 pmDSM - SJU
1 stop7h 20mUnited Airlines
Tue 5/131:05 amSJU - DSM
2 stops14h 33mUnited Airlines
Deal found 3/31$367
This American Airlines deal was found by Cheapflights users on 3/30. 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.
Tue 11/412:29 pmDSM - SJU
2 stops11h 41mAmerican Airlines
Tue 11/184:55 pmSJU - DSM
1 stop8h 50mAmerican Airlines
Deal found 3/30$376
This Delta deal was found by Cheapflights users on 3/31. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/125:45 amDSM - SJU
1 stop9h 18mDelta
Sat 4/196:15 amSJU - DSM
2 stops11h 23mDelta
Deal found 3/31$462
This Southwest deal was found by Cheapflights users on 3/30. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/36:15 pmDSM - SJU
2 stops14h 10mSouthwest
Mon 11/178:55 amSJU - DSM
2 stops13h 00mSouthwest
Deal found 3/30$555

Cheapflights Fare Finder

Customize your flight search to find flights from Des Moines to San Juan 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 31, 2025.
Use the filters below to find and compare flights from Des Moines to San Juan that are best for you.

Fly from

Des Moines

Fly to

San Juan

Route

Depart

Return

Price

Des MoinesSan Juan

DSM - SJU

DSMSJU

Des Moines

Mon 4/28

3:25 pm-7:40 pm

2 stops27h 15m

San Juan Luis Munoz Marin Intl

Fri 5/2

9:25 am-9:58 pm

1 stop13h 33m

$289

Des MoinesSan Juan

DSM - SJU

DSMSJU

Des Moines

Wed 5/7

3:34 pm-11:54 pm

1 stop7h 20m

San Juan Luis Munoz Marin Intl

Tue 5/13

1:05 am-2:38 pm

2 stops14h 33m

$367

Des MoinesSan Juan

DSM - SJU

DSMSJU

Des Moines

Thu 5/8

1:12 pm-5:12 am

1 stop15h 00m

San Juan Luis Munoz Marin Intl

Wed 5/14

11:50 am-11:39 pm

2 stops12h 49m

$435

Des MoinesSan Juan

DSM - SJU

DSMSJU

Des Moines

Sat 4/12

5:45 am-2:19 pm

1 stop7h 34m

San Juan Luis Munoz Marin Intl

Sat 4/19

6:15 am-4:37 pm

1 stop11h 22m

$462

Des MoinesSan Juan

DSM - SJU

DSMSJU

Des Moines

Sat 6/28

6:00 am-6:55 pm

2 stops11h 55m

San Juan Luis Munoz Marin Intl

Sat 7/5

5:30 am-3:30 pm

2 stops11h 00m

$645

Des MoinesSan Juan

DSM - SJU

DSMSJU

Des Moines

Mon 5/5

1:31 pm-11:52 pm

2 stops33h 21m

$138

Des MoinesSan Juan

DSM - SJU

DSMSJU

Des Moines

Sat 4/5

6:20 am-2:10 pm

1 stop6h 50m

$184

Des MoinesSan Juan

DSM - SJU

DSMSJU

Des Moines

Wed 5/14

7:20 am-8:09 pm

2 stops11h 49m

$185

Des MoinesSan Juan

DSM - SJU

DSMSJU

Des Moines

Fri 5/16

8:07 am-5:30 pm

3 stops32h 23m

$526

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/30

Best time to book a flight from Des Moines to San Juan

Have a flexible travel schedule? Discover the best time to fly to San Juan from Des Moines 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 Des Moines to San Juan

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

Use this chart to determine the optimal time to book a round-trip flight from Des Moines to San Juan. Price data was last updated on March 28, 2025.

The best time to book flights from Des Moines to San Juan is 15 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 Des Moines to San Juan?

Currently, September is the cheapest month in which you can book a flight from Des Moines to San Juan (average of $254). Flying from Des Moines to San Juan in December is currently the most expensive (average of $336). 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.

What is the cheapest time of day to fly from DSM to SJU?

Find hourly flight availability from Des Moines to San Juan. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 31, 2025.

It’s optimal to fly from Des Moines to San Juan in the afternoon. By choosing this option you can save up to 24% on the cost of your flight, compared to a flight at noon.

What is the cheapest day to fly from Des Moines to San Juan?

Use this chart to determine the cheapest time to fly round-trip from Des Moines to San Juan. Price data was last updated on March 24, 2024.

Travelers seeking maximum savings on their Des Moines to San Juan flight should consider departing on Sunday afternoons when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in San Juan by month

Plan your trip to San Juan by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Juan ranges from 2.2 - 6.1 inches per month. November is typically the wettest month, when rainfall can reach 6.1 in. February is typically the driest time to visit San Juan when rainfall is around 2.2 in.

Temperature in San Juan by month

Plan your trip to San Juan by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Juan, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 77.0 F).

Reviews of airlines servicing San Juan

Get insights into the airlines that provide service to San Juan. 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 San Juan. Reviews last updated March 31, 2025.
Southwest
8.0
Very good
4,276 reviews

Crew

8.6

Food

7.1

Overall

8.0

Boarding

8.2

Comfort

8.0

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.0
Very good
4,276 reviews
Southwest
8.0
Very good
4,276 reviews

Crew

8.6

Food

7.1

Overall

8.0

Boarding

8.2

Comfort

8.0

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Delta
8.0
Very good
7,899 reviews
Southwest
8.0
Very good
4,276 reviews

Crew

8.6

Food

7.1

Overall

8.0

Boarding

8.2

Comfort

8.0

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
United Airlines
7.4
Good
8,614 reviews
Southwest
8.0
Very good
4,276 reviews

Crew

8.6

Food

7.1

Overall

8.0

Boarding

8.2

Comfort

8.0

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,276 reviews

Crew

8.6

Food

7.1

Overall

8.0

Boarding

8.2

Comfort

8.0

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Related info for your journey

Find useful and relevant information for your journey from Des Moines to San Juan. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Des Moines to San Juan?

    Located just 3.6 mi from the city center, Des Moines is the airport most travelers will use when flying to San Juan from Des Moines. Booking flights from Des Moines (DSM) to San Juan should be relatively easy as there are 0 daily outbound flights to San Juan from 4 different airlines.

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

    United Airlines, at $367, was found to be the cheapest airline from Des Moines to San Juan.Alternate airlines to your destination round-trip include American Airlines and Delta. United Airlines is priced at 28% lower than the current average price of a flight leaving 3 months from now.

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

    For one-way options, check prices for Delta. According to our data, you can fly for as low as $184. Users have also found prices from $185 and $526 on American Airlines and United Airlines, respectively.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Des Moines to San Juan 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 Des Moines to San Juan?

    Currently, September is the cheapest month in which you can book a flight from Des Moines to San Juan (average of $254). Flying from Des Moines to San Juan in December is currently the most expensive (average of $336). 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

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Top 4 airlines flying from Des Moines to San Juan

Discover the top 4 airlines that operate flights from Des Moines to San Juan. 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 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$150Average$254FlexibilityNo cancel feeOn-time62%
DeltaCheapest$266Average$446FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$333Average$552FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$413Average$579FlexibilityNo cancel feeOn-time69%
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