How long is the flight from Saint John to Denver?

Departing from Saint John to Denver will take you 8h 15m. The distance from Saint John to Denver is about 1987 mi.

In terms of precipitation, rainfall in Denver ranges from 0.5 - 2.3 inches per month. May is typically the wettest month, when rainfall can reach 2.3 in. January is typically the driest time to visit Denver when rainfall is around 0.5 in.

If weather is an important factor for your trip to Denver, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

What is the cheapest time of day to fly from YSJ to DEN?

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

Most accurate provider : When it comes to deals on Saint John-Denver flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Saint John-Denver flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Saint John-Denver flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Saint John-Denver flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Saint John-Denver flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

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

How can I find direct flights from St John to Denver?

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

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

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

$445+ Cheap Flights from Saint John to Denver

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Cheap flight deals from St John to Denver

Best

One-way

Best flights from St John to Denver
Discover carefully curated flight deals from St John to Denver that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 29, 2026.

Tue 1/265:15 am -

1 stop8h 15m

Thu 1/281:30 pm -

1 stop6h 54m

Deal found 9/28

$834

Find flight deals from St John to Denver

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$834 (Air Canada)
One-way from	$445 (Air Canada)

Provider with most accurate pricing for Saint John-Denver Intl flight deals.

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Provider most trusted by Cheapflights users for Saint John-Denver Intl flights.

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From Saint John to Denver Intl

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One-way flight from Saint John to Denver Intl

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Fly from

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Route

Depart

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Price

Cheapest round-trip

Quickest round-trip

Saint JohnDenver

YSJ Saint John - DEN Denver Intl

YSJDEN

Saint John

Thu 11/12

5:20 am-10:35 am

1 stop8h 15m

Denver Intl

Wed 12/31

12:00 am-3:00 am

Nonstop0h 00m

$445

Saint JohnDenver

YSJ Saint John - DEN Denver Intl

YSJDEN

Saint John

Thu 11/12

11:05 am-10:44 pm

2 stops14h 39m

Denver Intl

Wed 12/31

12:00 am-3:00 am

Nonstop0h 00m

$487

Saint JohnDenver

YSJ Saint John - DEN Denver Intl

YSJDEN

Saint John

Tue 1/26

5:15 am-10:30 am

1 stop8h 15m

Denver Intl

Thu 1/28

1:30 pm-11:24 pm

1 stop6h 54m

$834

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/28

Sorted by cheapest first

Compare providers for flights from St John to Denver

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St John to Denver in September.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Saint John-Denver flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Saint John-Denver flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Saint John-Denver flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Saint John-Denver flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Saint John-Denver flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from St John to Denver

Have a flexible travel schedule? Discover the best time to fly to Denver from St John with our price prediction graph.

YSJ-DEN

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.

Related info for your journey

How long is the flight from Saint John to Denver?
Departing from Saint John to Denver will take you 8h 15m. The distance from Saint John to Denver is about 1987 mi.
Can I find deals for flights from St John to Denver that include hotel bookings?
Yes. In addition to deals on St John to Denver flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from St John to Denver?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St John to Denver.
Can I find deals for business class flights from St John to Denver?
Yes. Cheapflights offers flight deals from St John to Denver 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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$445+ Cheap flights from Saint John (YSJ) to Denver (DEN)

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 11/12. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from St John to Denver with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from St John to Denver

Best flights from St John to DenverDiscover carefully curated flight deals from St John to Denver that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 29, 2026.

Discover carefully curated flight deals from St John to Denver that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 29, 2026.

One-way flights from St John to DenverSearch for one-way flight options from St John to Denver. Find affordable one-way fares based on user searches. Data last updated September 29, 2026.

Search for one-way flight options from St John to Denver. Find affordable one-way fares based on user searches. Data last updated September 29, 2026.

Find flight deals from St John to Denver

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Use the filters below to find and compare flights from Saint John to Denver that are best for you.

Compare providers for flights from St John to Denver

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St John to Denver in September.

Best time to book a flight from St John to Denver

Have a flexible travel schedule? Discover the best time to fly to Denver from St John with our price prediction graph.

Related info for your journey

How long is the flight from Saint John to Denver?

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

How can I find direct flights from St John to Denver?

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

Traveling to a place near Denver?

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Alternative routes for St John to Denver

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Complete your trip

Complete your trip to Denver by adding a car rental and/or hotel reservation to your travel itinerary.

Other flights to Denver

Explore flights to Denver departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 29, 2026.

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St John and Denver flights

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Best flights from St John to Denver
Discover carefully curated flight deals from St John to Denver that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 29, 2026.

One-way flights from St John to Denver
Search for one-way flight options from St John to Denver. Find affordable one-way fares based on user searches. Data last updated September 29, 2026.