App
Help
SGD
Find Bookings
Trip.com
>
Flights
>
United States
>
Flights to Denver
>
Cheap Flights from San Juan to Denver
Worldwide Coverage
Worldwide Coverage
Flights to over 5,000 cities
One-stop Service Guarantee
One-stop Service Guarantee
Price guaranteed upon confirmed payment, booking guaranteed once tickets issued
Secure Payment
Secure Payment
Convenient & reliable booking and payment system

Cheap Flights from San Juan to Denver starting at S$ 91

Whether you’re going for a one-way or round-trip to Denver, we’ve got you covered! Check out these different flight options from San Juan below.

  • One way
  • Round-trip
      • Cheapest nonstop
        SJU13:25
        6h 44m
        Nonstop
        DEN18:09
        Thu, Mar 20|San Juan - Denver|United Airlines
        S$ 485S$ 661
        27% OFF
        27% OFF
        S$ 661S$ 485

        Fly from San Juan to Denver on Thu, Mar 20 with United Airlines. One-way direct flights with United Airlines depart Luis Muñoz Marín International Airport and arrive Denver International Airport starting at S$ 485 including taxes and charges.

      • SJU13:40
        6h 31m
        Nonstop
        DEN18:11
        Sun, Apr 20|San Juan - Denver|United Airlines
        S$ 522S$ 661
        21% OFF
        21% OFF
        S$ 661S$ 522

        Fly from San Juan to Denver on Sun, Apr 20 with United Airlines. One-way direct flights with United Airlines depart Luis Muñoz Marín International Airport and arrive Denver International Airport starting at S$ 522 including taxes and charges.

      • SJU22:35
        13h 33m
        1 stop
        DEN09:08
        Mon, Feb 24|San Juan - Denver|Frontier Airlines
        S$ 91S$ 661
        86% OFF
        86% OFF
        S$ 661S$ 91

        Fly from San Juan to Denver on Mon, Feb 24 with Frontier Airlines. One-way connecting flights with Frontier Airlines depart Luis Muñoz Marín International Airport and arrive Denver International Airport starting at S$ 91 including taxes and charges.

      • SJU02:54
        9h 25m
        1 stop
        DEN10:19
        Tue, Mar 11|San Juan - Denver|Frontier Airlines
        S$ 91
        S$ 91

        Fly from San Juan to Denver on Tue, Mar 11 with Frontier Airlines. One-way connecting flights with Frontier Airlines depart Luis Muñoz Marín International Airport and arrive Denver International Airport starting at S$ 91 including taxes and charges.

      • SJU15:11
        12h 33m
        1 stop
        DEN00:44
        Thu, Feb 20|San Juan - Denver|Frontier Airlines
        S$ 92
        S$ 92

        Fly from San Juan to Denver on Thu, Feb 20 with Frontier Airlines. One-way connecting flights with Frontier Airlines depart Luis Muñoz Marín International Airport and arrive Denver International Airport starting at S$ 92 including taxes and charges.

      • SJU05:45
        19h 44m
        1 stop
        DEN23:29
        Mon, Mar 10|San Juan - Denver|Frontier Airlines
        S$ 92
        S$ 92

        Fly from San Juan to Denver on Mon, Mar 10 with Frontier Airlines. One-way connecting flights with Frontier Airlines depart Luis Muñoz Marín International Airport and arrive Denver International Airport starting at S$ 92 including taxes and charges.

      • SJU22:31
        19h 38m
        1 stop
        DEN15:09
        Sat, Feb 15|San Juan - Denver|Frontier Airlines
        S$ 93
        S$ 93

        Fly from San Juan to Denver on Sat, Feb 15 with Frontier Airlines. One-way connecting flights with Frontier Airlines depart Luis Muñoz Marín International Airport and arrive Denver International Airport starting at S$ 93 including taxes and charges.

      • SJU21:15
        29h 13m
        1 stop
        DEN23:28
        Wed, Feb 5|San Juan - Denver|Frontier Airlines
        S$ 98
        S$ 98

        Fly from San Juan to Denver on Wed, Feb 5 with Frontier Airlines. One-way connecting flights with Frontier Airlines depart Luis Muñoz Marín International Airport and arrive Denver International Airport starting at S$ 98 including taxes and charges.

      • SJU21:15
        14h 29m
        1 stop
        DEN08:44
        Sat, Feb 1|San Juan - Denver|Frontier Airlines
        S$ 102
        S$ 102

        Fly from San Juan to Denver on Sat, Feb 1 with Frontier Airlines. One-way connecting flights with Frontier Airlines depart Luis Muñoz Marín International Airport and arrive Denver International Airport starting at S$ 102 including taxes and charges.

      • SJU22:04
        13h 40m
        1 stop
        DEN08:44
        Fri, Feb 7|San Juan - Denver|Frontier Airlines
        S$ 117
        S$ 117

        Fly from San Juan to Denver on Fri, Feb 7 with Frontier Airlines. One-way connecting flights with Frontier Airlines depart Luis Muñoz Marín International Airport and arrive Denver International Airport starting at S$ 117 including taxes and charges.

      • SJU01:00 pm
        3h 5m
        Nonstop
        DEN02:00 pm
        Wed, Feb 5|San Juan - Denver|United Airlines
        Find More Flights
        Find More Flights

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

San Juan to Denver Flight Time

Flight info.
Departure
Arrival
Weekly Schedule

  1. F92871

    Frontier Airlines

    07:28

    SJU

    4.0h

    11:26

    ATL

    SM-WTFS
    Search

  2. F93293

    Frontier Airlines

    07:00

    ATL

    3.5h

    08:30

    DEN

    SMTWTFS

  3. F92249

    Frontier Airlines

    09:28

    SJU

    3.5h

    12:56

    MCO

    SMT-TFS
    Search

  4. F93507

    Frontier Airlines

    12:40

    MCO

    1.8h

    14:26

    ATL

    SMTWTFS

  5. F91449

    Frontier Airlines

    21:11

    ATL

    3.8h

    22:58

    DEN

    S--WT-S

  6. F92249

    Frontier Airlines

    09:28

    SJU

    3.5h

    12:56

    MCO

    SMT-TFS
    Search

  7. F91733

    Frontier Airlines

    06:20

    MCO

    4.4h

    08:44

    DEN

    SMTWTFS

  8. F92081

    Frontier Airlines

    10:42

    SJU

    4.2h

    14:55

    ATL

    SMTWTFS
    Search

  9. F93293

    Frontier Airlines

    07:00

    ATL

    3.5h

    08:30

    DEN

    SMTWTFS

  10. F92215

    Frontier Airlines

    11:55

    SJU

    3.4h

    15:16

    TPA

    SMT-T--
    Search

  11. F93517

    Frontier Airlines

    21:43

    TPA

    4.3h

    23:59

    DEN

    SMTWTFS

  12. F92981

    Frontier Airlines

    16:51

    SJU

    3.5h

    19:20

    MCO

    SMTWTFS
    Search

  13. F93311

    Frontier Airlines

    21:14

    MCO

    4.4h

    23:40

    DEN

    SMTWTFS

  14. F91745

    Frontier Airlines

    18:55

    SJU

    3.5h

    21:24

    MCO

    S--WT-S
    Search

  15. F91733

    Frontier Airlines

    06:20

    MCO

    4.4h

    08:44

    DEN

    SMTWTFS

  16. F93377

    Frontier Airlines

    21:30

    SJU

    3.0h

    00:32

    MIA

    SMTWTFS
    Search

  17. F91279

    Frontier Airlines

    06:00

    MIA

    4.7h

    08:39

    DEN

    SMTWTFS

  18. F93377

    Frontier Airlines

    21:30

    SJU

    3.0h

    00:32

    MIA

    SMTWTFS
    Search

  19. F93137

    Frontier Airlines

    15:20

    MIA

    4.8h

    18:05

    DEN

    SMTWTFS

  20. F94725

    Frontier Airlines

    21:49

    SJU

    3.4h

    00:11

    MCO

    SMTWTFS
    Search

  21. F91733

    Frontier Airlines

    06:20

    MCO

    4.4h

    08:44

    DEN

    SMTWTFS
Find more flights and airlines

Cheapest time to fly from San Juan to Denver

These price trend charts carefully monitor and predict how flight prices from San Juan to Denver will change. Keep a close eye on them to understand when the best time to buy your tickets is.

Displayed prices are calculated based on the lowest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

  • When to buy flight tickets from San Juan (SJU) to Denver (DEN) the cheapest?

    Airlines adjust prices for flights from San Juan to Denver based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the cheapest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much is a flight from San Juan (SJU) to Denver (DEN) cost?

    According to Trip.com's data, the lowest price is around S$ 467.

  • How long is a flight from San Juan (SJU) to Denver (DEN)?

    It takes about 6 hours 44 minutes to fly from San Juan (SJU) to Denver (DEN).

  • What are the most popular airlines that fly from San Juan (SJU) to Denver (DEN)?

    Airlines with flights from San Juan (SJU) to Denver (DEN): United Airlines.

  • What's the most popular airline for direct flights from San Juan (SJU) to Denver (DEN)?

    Southwest Airlines operates 1 direct flights from San Juan (SJU) to Denver (DEN).

  • How many airports in Denver?

    There are 1 airports near Denver: Denver International Airport.

How to find a cheap flight from San Juan to Denver

If you don’t know some of the key things to look out for when buying flight tickets, prices can often end up sky high or, worse, sold out! We’ve carefully compiled our six most important steps to help ensure you’re getting the best deals when planning your next journey.
1
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
2
Compare Flight Prices
Compare prices on travel agency and airline websites.
3
Look Out for Deals
Check airline and travel agency websites for latest flight deals
4
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
5
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
6
Use the Trip.com App
Save up to £10 per person when booking your flights on Trip.com

Find cheapest flight ticket from San Juan to Denver

Cheapest direct flight priceS$ 90
Cheapest return ticket priceS$ 667
Off-season for travelJanuary
Peak season for travelApril
Flight distance4,394.85km
Average flight time6 hours 44 minutes
Popular airlineFrontier Airlines

Contact Us

About

Other Services

Payment Methods
Our Partners
Copyright © 2025 Trip.com Travel Singapore Pte. Ltd. All rights reserved
Site Operator: Trip.com Travel Singapore Pte. Ltd. Travel License No. 02943