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San Juan

$129+ Cheap flights from Aurora, CO 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 10/6. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — SJU
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheapflights Tip: The best prices from Aurora to San Juan are usually found in August or October, booked 22 days in advance, depart on a Thursday or Monday and return on a Thursday

Cheap flight deals from Aurora to San Juan

Keep the following information in mind while searching for Aurora to San Juan flight deals. Data was last updated September 15, 2025.

Round-trip from

$268
(Frontier)

One-way from

$129
(Trip.com)

Popular in

December

Cheapest in

August

Average price

$423
From Aurora to San Juan
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One-way flight from Aurora to San Juan
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Highest demand for flights based on searches. 17% potential increase in price ($97 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($20 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Aurora to San Juan

Cheapest flights from Aurora to San Juan
Explore the most affordable flight options available from Aurora to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

This Frontier deal was found by Cheapflights users on 9/13. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2311:45 pmDEN - SJU
1 stop9h 12mFrontier
Thu 10/307:30 amSJU - DEN
1 stop9h 23mFrontier
Deal found 9/13$268
This Gotogate deal was found by Cheapflights users on 9/13. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1611:59 pmDEN - SJU
1 stop21h 30mFrontier
Tue 10/213:40 amSJU - DEN
1 stop11h 04mFrontier
Deal found 9/13$269
This Kiwi.com deal was found by Cheapflights users on 9/13. 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.
Wed 10/221:44 pmDEN - SJU
1 stop10h 46mFrontier
Thu 10/307:30 amSJU - DEN
1 stop9h 23mFrontier
Deal found 9/13$270
This Cheapflightsfares deal was found by Cheapflights users on 9/14. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1812:16 amDEN - SJU
1 stop8h 03mFrontier
Thu 11/276:01 amSJU - DEN
1 stop9h 28mFrontier
Deal found 9/14$272
This Frontier deal was found by Cheapflights users on 9/14. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/179:19 pmDEN - SJU
2 stops16h 05mFrontier
Fri 10/2411:48 amSJU - DEN
2 stops13h 11mFrontier
Deal found 9/14$273
This Frontier deal was found by Cheapflights users on 9/13. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/148:22 pmDEN - SJU
2 stops17h 02mFrontier
Thu 10/169:06 pmSJU - DEN
1 stop13h 27mFrontier
Deal found 9/13$274
This Kiwi.com deal was found by Cheapflights users on 9/14. 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.
Tue 11/188:13 pmDEN - SJU
1 stop16h 33mMultiple Airlines
Thu 12/1111:02 amSJU - DEN
1 stop8h 46mMultiple Airlines
Deal found 9/14$275
This Mytrip deal was found by Cheapflights users on 9/13. 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.
Fri 9/1912:04 amDEN - SJU
1 stop24h 30mFrontier
Sat 9/278:00 amSJU - DEN
1 stop26h 36mFrontier
Deal found 9/13$276
This Frontier deal was found by Cheapflights users on 9/13. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2712:59 amDEN - SJU
2 stops14h 55mFrontier
Fri 10/3110:39 pmSJU - DEN
1 stop12h 21mFrontier
Deal found 9/13$278
This Frontier deal was found by Cheapflights users on 9/13. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/249:19 pmDEN - SJU
2 stops16h 05mFrontier
Tue 10/2812:29 pmSJU - DEN
1 stop12h 47mFrontier
Deal found 9/13$279
This Frontier deal was found by Cheapflights users on 9/14. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/288:41 pmDEN - SJU
2 stops19h 13mFrontier
Sun 11/22:03 amSJU - DEN
1 stop9h 32mFrontier
Deal found 9/14$280
This Frontier deal was found by Cheapflights users on 9/14. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/18:41 pmDEN - SJU
2 stops19h 13mFrontier
Thu 11/67:30 amSJU - DEN
1 stop10h 23mFrontier
Deal found 9/14$281

Cheapflights Fare Finder

 
Customize your flight search to find flights from Aurora 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 September 15, 2025.
Use the filters below to find and compare flights from Aurora to San Juan that are best for you.

Fly from

Aurora

Fly to

San Juan

Route

Depart

Return

Price

DenverSan Juan

DEN - SJU

DENSJU

Denver Intl

Wed 10/22

12:42 pm-11:56 pm

1 stop9h 14m

San Juan Luis Munoz Marin Intl

Mon 11/3

2:06 pm-9:41 pm

1 stop10h 35m

$315

DenverSan Juan

DEN - SJU

DENSJU

Denver Intl

Sun 10/19

10:39 pm-12:27 pm

1 stop11h 48m

San Juan Luis Munoz Marin Intl

Wed 10/22

1:00 pm-10:43 pm

1 stop11h 43m

$340

DenverSan Juan

DEN - SJU

DENSJU

Denver Intl

Tue 10/28

12:50 pm-9:59 pm

1 stop7h 09m

San Juan Luis Munoz Marin Intl

Sun 11/2

7:00 am-6:19 pm

1 stop14h 19m

$360

DenverSan Juan

DEN - SJU

DENSJU

Denver Intl

Tue 11/18

10:20 am-11:20 pm

2 stops10h 00m

San Juan Luis Munoz Marin Intl

Mon 12/8

5:45 am-12:10 pm

2 stops9h 25m

$453

DenverSan Juan

DEN - SJU

DENSJU

Denver Intl

Fri 11/14

12:05 pm-1:25 am

2 stops10h 20m

San Juan Luis Munoz Marin Intl

Wed 11/19

8:55 am-4:40 pm

2 stops10h 45m

$460

DenverSan Juan

DEN - SJU

DENSJU

Denver Intl

Mon 11/10

9:15 am-10:20 pm

2 stops10h 05m

San Juan Luis Munoz Marin Intl

Sun 11/23

5:40 am-11:20 am

1 stop8h 40m

$480

DenverSan Juan

DEN - SJU

DENSJU

Denver Intl

Tue 11/18

9:45 am-6:25 pm

Nonstop5h 40m

San Juan Luis Munoz Marin Intl

Thu 12/11

2:25 pm-6:12 pm

Nonstop6h 47m

$486

DenverSan Juan

DEN - SJU

DENSJU

Denver Intl

Mon 11/3

12:42 pm-12:56 am

1 stop9h 14m

San Juan Luis Munoz Marin Intl

Tue 11/11

7:15 am-6:47 pm

1 stop14h 32m

$495

DenverSan Juan

DEN - SJU

DENSJU

Denver Intl

Wed 10/22

12:42 pm-11:56 pm

1 stop9h 14m

San Juan Luis Munoz Marin Intl

Tue 10/28

1:06 pm-9:41 pm

1 stop10h 35m

$495

DenverSan Juan

DEN - SJU

DENSJU

Denver Intl

Fri 10/17

9:50 am-5:30 pm

Nonstop5h 40m

San Juan Luis Munoz Marin Intl

Tue 10/21

2:00 pm-6:10 pm

Nonstop6h 10m

$506

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

Showing 1-10 of 19 results
1
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Best time to book a flight from Aurora to San Juan

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

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

Use this chart to determine the optimal time to book a round-trip flight from Aurora to San Juan. Price data was last updated on September 12, 2025.

To ensure you get the cheapest price possible for a flight from Aurora to San Juan, you should look to book at least 22 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, September is the cheapest month in which you can book a flight from Aurora to San Juan (average of $254). Flying from Aurora to San Juan in June is currently the most expensive (average of $339). 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 9UR to SJU?

Find hourly flight availability from Aurora 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 September 15, 2025.

When flying from Aurora to San Juan, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

What is the cheapest day to fly from Aurora to San Juan?

Use this chart to determine the cheapest time to fly round-trip from Aurora to San Juan. Price data was last updated on December 16, 2024.

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

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 September 15, 2025.
Get a feel of what it's like to fly with Southwest, Delta, and United Airlines from Aurora to San Juan by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Entertainment

7.5

Food

7.0

Overall

8.0

Crew

8.6

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,242 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Entertainment

7.5

Food

7.0

Overall

8.0

Crew

8.6

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
8.0
Very good
7,954 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Entertainment

7.5

Food

7.0

Overall

8.0

Crew

8.6

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
8,929 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Entertainment

7.5

Food

7.0

Overall

8.0

Crew

8.6

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Entertainment

7.5

Food

7.0

Overall

8.0

Crew

8.6

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Frontier
5.8
Fair
3,172 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Entertainment

7.5

Food

7.0

Overall

8.0

Crew

8.6

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

Find useful and relevant information for your journey from Aurora to San Juan. 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 Aurora to San Juan?

    Airlines like Delta, JetBlue, and Southwest fly from Aurora to San Juan in about 9h 14m. The time it takes to get you to your destination can typically vary by up to 2h 34m. There are 2730 mi between Aurora and San Juan. This flight may include one or multiple stops.

  • What are the cheapest flights from Aurora to San Juan?

    The cheapest flight price from Aurora to San Juan is $303. On average you can expect to pay $494. The most popular route, (Denver Intl - San Juan Luis Munoz Marin Intl), can usually be booked for $266.

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

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

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

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

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

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

    Currently, September is the cheapest month in which you can book a flight from Aurora to San Juan (average of $254). Flying from Aurora to San Juan in June is currently the most expensive (average of $339). 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 6 airlines flying from Aurora to San Juan

Discover the top 6 airlines that operate flights from Aurora 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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$143Average$294FlexibilityNo cancel feeOn-time62%
DeltaCheapest$192Average$591FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$327Average$440FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$383Average$635FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$391Average$621FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$430Average$567FlexibilityNo cancel feeOn-time63%

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