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$673+ 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 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
YSJ — DEN
Aug 4 — Aug 111
Mon 8/4
Mon 8/11
1 adult, Economy
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Cheap 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 July 30, 2025.

Round-trip from

$673
(Air Canada)
From Saint John to Colorado
Search Deals

Find 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 July 30, 2025.

This Air Canada deal was found by Cheapflights users on 7/29. 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.
Tue 9/95:55 amYSJ - DEN
1 stop7h 19mAir Canada
Mon 9/157:45 amDEN - YSJ
1 stop7h 01mAir Canada
Deal found 7/29$673
This Air Canada deal was found by Cheapflights users on 7/29. 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.
Tue 9/96:40 pmYSJ - DEN
3 stops23h 20mMultiple Airlines
Mon 9/157:45 amDEN - YSJ
1 stop7h 01mMultiple Airlines
Deal found 7/29$725
This United Airlines deal was found by Cheapflights users on 7/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/1311:35 amYSJ - DEN
2 stops13h 21mUnited Airlines
Sat 12/278:34 pmDEN - YSJ
2 stops23h 50mUnited Airlines
Deal found 7/30$790

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 July 30, 2025.
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

Tue 9/9

5:55 am-10:14 am

1 stop7h 19m

Denver Intl

Mon 9/15

7:45 am-5:46 pm

1 stop7h 01m

$673

Saint JohnDenver

YSJ - DEN

YSJDEN

Saint John

Tue 9/9

6:40 pm-3:00 pm

3 stops23h 20m

Denver Intl

Mon 9/15

7:45 am-5:46 pm

1 stop7h 01m

$725

Saint JohnDenver

YSJ - DEN

YSJDEN

Saint John

Sat 12/13

11:35 am-9:56 pm

2 stops13h 21m

Denver Intl

Sat 12/27

8:34 pm-11:24 pm

2 stops23h 50m

$790

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

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.

Reviews of airlines servicing Colorado

Get insights into the airlines that provide service to Colorado. 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 Colorado. Reviews last updated July 30, 2025.
See what other customers who have flown with United Airlines and Air Canada from Saint John to Colorado have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,896 reviews

Boarding

7.7

Crew

8.1

Comfort

7.3

Overall

7.4

Food

6.6

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

YVR - SFO

It was a good experience. The flight took 45 minutes longer to fly and all passengers had to wait inside the plane till the technical issue was fixed. Overall it was a good experience.
United Airlines
7.4
Good
8,896 reviews
United Airlines
7.4
Good
8,896 reviews

Boarding

7.7

Crew

8.1

Comfort

7.3

Overall

7.4

Food

6.6

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

YVR - SFO

It was a good experience. The flight took 45 minutes longer to fly and all passengers had to wait inside the plane till the technical issue was fixed. Overall it was a good experience.
Air Canada
7.1
Good
9,837 reviews
United Airlines
7.4
Good
8,896 reviews

Boarding

7.7

Crew

8.1

Comfort

7.3

Overall

7.4

Food

6.6

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

YVR - SFO

It was a good experience. The flight took 45 minutes longer to fly and all passengers had to wait inside the plane till the technical issue was fixed. Overall it was a good experience.

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.

  • 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.

  • What is the cheapest month to book a flight from Saint John to Colorado?

    Currently, October is the cheapest month in which you can book a flight from Saint John to Colorado (average of $197). Flying from Saint John to Colorado in March is currently the most expensive (average of $278). 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.

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