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$633+ Cheap flights from Saint John (YSJ) to Colorado

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/13. Fares are subject to change and may not be available on all flights or dates of travel.
YSJ — DEN
Mar 10 — Mar 171
Tue 3/10
Tue 3/17
1 adult, Economy
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Cheap flight deals from St John to Colorado

Cheapest flights from St John to Colorado
Explore the most affordable flight options available from St John to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 8, 2026.

This Air Canada deal was found by Cheapflights users on 2/5. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/135:35 am
YSJ
-
DEN
1 stop7h 43m
Air Canada
Fri 4/171:25 pm
DEN
-
YSJ
2 stops18h 45m
Air Canada
Deal found 2/5$633
This United Airlines deal was found by Cheapflights users on 2/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/1311:55 am
YSJ
-
DEN
2 stops14h 49m
United Airlines
Fri 4/1711:59 pm
DEN
-
YSJ
2 stops20h 53m
United Airlines
Deal found 2/5$647
This United Airlines deal was found by Cheapflights users on 2/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/114:15 pm
YSJ
-
DEN
2 stops10h 15m
United Airlines
Sat 3/1411:59 pm
DEN
-
YSJ
2 stops12h 41m
United Airlines
Deal found 2/5$828
This Air Canada deal was found by Cheapflights users on 2/5. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1111:25 am
YSJ
-
DEN
1 stop8h 15m
Air Canada
Sat 3/141:25 pm
DEN
-
YSJ
1 stop7h 09m
Air Canada
Deal found 2/5$1,144

Find flight deals from St John to Colorado

Keep the following information in mind while searching for St John to Colorado flight deals. Data was last updated February 8, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$633
(Air Canada)
Provider with most accurate pricing for Saint John-Denver Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Saint John-Denver Intl flights.
Search Deals
From Saint John to Colorado
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from St John to Colorado 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 February 8, 2026.
Use the filters below to find and compare flights from Saint John to Colorado that are best for you.

Fly from

St John

Fly to

Colorado

Route

Depart

Return

Price

Saint JohnDenver

YSJ - DEN

YSJDEN

Saint John

Mon 4/13

5:35 am-10:18 am

1 stop7h 43m

Denver Intl

Fri 4/17

1:25 pm-11:10 am

2 stops18h 45m

$633

Saint JohnDenver

YSJ - DEN

YSJDEN

Saint John

Mon 4/13

11:55 am-11:44 pm

2 stops14h 49m

Denver Intl

Fri 4/17

11:59 pm-11:52 pm

2 stops20h 53m

$647

Saint JohnDenver

YSJ - DEN

YSJDEN

Saint John

Wed 3/11

4:15 pm-11:30 pm

2 stops10h 15m

Denver Intl

Sat 3/14

11:59 pm-3:40 pm

2 stops12h 41m

$828

Saint JohnDenver

YSJ - DEN

YSJDEN

Saint John

Wed 3/11

11:25 am-4:40 pm

1 stop8h 15m

Denver Intl

Sat 3/14

1:25 pm-11:34 pm

1 stop7h 09m

$1,144

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/5

Best time to book a flight from St John to Colorado

Have a flexible travel schedule? Discover the best time to fly to Colorado from St John 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 Saint John to Colorado
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from St John to Colorado. 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 Saint John to Colorado?

    Most people fly from Saint John (YSJ) if they book a flight from Saint John to Colorado. Saint John is conveniently located just 9.4 mi from Saint John’s city center.

  • How long is the flight from Saint John to Colorado?

    A quick flight from Saint John to Colorado can take about 7h 43m. Air Canada provides one of the quickest options available for as low as $633. The distance from Saint John to Colorado is about 1987 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • Can I find deals for flights from St John to Colorado that include hotel bookings?

    Yes. In addition to deals on St John to Colorado flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St John to Colorado?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St John to Colorado.

  • Can I find deals for business class flights from St John to Colorado?

    Yes. Cheapflights offers flight deals from St John to Colorado by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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