HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Colorado

$423+ Cheap flights from Saint John (YSJ) to Colorado

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 1/25. Fares are subject to change and may not be available on all flights or dates of travel.
YSJ — DEN
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from St John to Colorado with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from St John to Colorado

Best flights from St John to Colorado
Discover carefully curated flight deals from St John to Colorado that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 12, 2025.

This Air Canada deal was found by Cheapflights users on 12/9. 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.
Sun 1/1811:30 amYSJ - DEN
1 stop8h 10mAir Canada
Tue 1/207:15 pmDEN - YSJ
2 stops12h 24mAir Canada
Deal found 12/9$740
This United Airlines deal was found by Cheapflights users on 12/10. 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.
Sun 1/185:40 amYSJ - DEN
2 stops19h 20mUnited Airlines
Tue 1/205:42 pmDEN - YSJ
2 stops18h 58mUnited Airlines
Deal found 12/10$767

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 December 12, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$740
(Air Canada)

One-way from

$423
(United Airlines)
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
One-way flight 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 December 12, 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

Sun 1/18

11:30 am-4:40 pm

1 stop8h 10m

Denver Intl

Tue 1/20

7:15 pm-10:39 am

2 stops12h 24m

$740

Saint JohnDenver

YSJ - DEN

YSJDEN

Saint John

Sun 1/18

5:40 am-10:00 pm

2 stops19h 20m

Denver Intl

Tue 1/20

5:42 pm-3:40 pm

2 stops18h 58m

$767

Saint JohnDenver

YSJ - DEN

YSJDEN

Saint John

Sun 1/25

4:15 pm-12:38 pm

2 stops23h 23m

$423

Saint JohnDenver

YSJ - DEN

YSJDEN

Saint John

Sun 1/25

11:30 am-4:40 pm

1 stop8h 10m

$456

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

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 8h 10m. Air Canada provides one of the quickest options available for as low as $740. 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for St John to Colorado

See prices for flight routes from nearby airports that may be better suited for you.
Moncton to Orlando flights
Moncton to Dallas/Fort Worth flights
Moncton to Fort Lauderdale flights
Moncton to Dulles Intl flights
Fredericton to Orlando flights
Moncton to Newark flights
Moncton to Las Vegas flights
Moncton to Miami flights
Moncton to John F Kennedy Intl flights
Fredericton to Newark flights
Moncton to Boston flights
Moncton to Tampa flights
Moncton to San Diego flights
Moncton to LaGuardia flights
St John to Jacksonville flights
St John to Las Vegas flights
St John to Boston flights
St John to Atlanta flights
St John to O'Hare Intl flights
Moncton to Charlotte flights
Fredericton to Las Vegas flights
St John to San Diego flights
Moncton to Honolulu flights
St John to Honolulu flights
Moncton to New Orleans flights
Moncton to O'Hare Intl flights
Moncton to Fort Myers flights
Fredericton to Nashville flights
St John to Los Angeles flights
Fredericton to San Francisco flights
Fredericton to Savannah flights
Fredericton to Los Angeles flights
St John to Portland flights
St John to Providence flights
St John to Denver flights
Moncton to Hobby flights
Moncton to Denver flights
Moncton to Atlanta flights
Fredericton to New Orleans flights
Fredericton to LaGuardia flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.