Southwest AirlinesDepart06:30
Tue, Jun 15DSM → SJU
8h 40m · 2 stops
$145one way, per person
View deal
- Cheapest fare
- $145
- Cheapest month
- June
- Direct flights
- Not recently
- Quickest trip
- 8h 40m
Southwest Airlines · Tue, Jun 15
from $145
Usually 1+ stop
3,660 km
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Cheapest month to fly from Des Moines to San Juan
Lowest one-way fare per person in each month. Choose a month to see every date.
Cheapest dates in June 2027
The lowest fares we've seen for each day, cheapest first.
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Where to stay, what to do and getting around, from our travel partners.
About flights from Des Moines to San Juan
Des Moines (DSM) and San Juan (SJU) are about 3,660 km apart. We haven't seen direct fares on this route recently, so expect at least one stop; the quickest journey we've seen takes about 8h 40m. Over the next few months, one-way fares start from $145, and June 2027 is currently the cheapest month to fly.
These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.
Frequently asked questions
How much is a flight from Des Moines to San Juan?
The cheapest one-way fare we've seen recently is $145 with Southwest Airlines, departing Tuesday, June 15, 2027.
What is the cheapest month to fly from Des Moines to San Juan?
June 2027 currently has the lowest fares, from $145 one way.
Are there direct flights from Des Moines to San Juan?
We haven't seen direct fares recently, so most journeys include at least one stop.
How long is the flight from Des Moines to San Juan?
The quickest journey we've seen takes about 8h 40m. Des Moines and San Juan are around 3,660 km apart.
Which airlines fly from Des Moines to San Juan?
Recent fares on this route were with Southwest Airlines.
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