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Cheap flights from Saint John (YSJ) to Denver (DEN)

YSJ — DEN
oct. 31 — nov. 71
vie. 10/31
vie. 11/7
1 adult, Economy
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Cheap flight deals from St John to Denver

Discover tips and strategies to find the most affordable flight options for your journey from St John (YSJ) to Denver (DEN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated octubre 1, 2025.

Most accurate provider

Expedia
2 stars

Most trusted provider

Expedia
3 stars
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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  • Most accurate provider: When it comes to deals on Saint John-Denver flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on Saint John-Denver flight deals on Cheapflights vs. Expedia 90-95% 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 Expedia the most. Expedia 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.
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

Find useful and relevant information for your journey from St John to Denver. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • 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.

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

    Currently, October is the cheapest month in which you can book a flight from Saint John to Denver (average of $197). Flying from Saint John to Denver 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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Traveling to a place near Denver?

Book flights to Denver if you plan to visit one of these locations
Black Hawk
Westminster
Golden
Broomfield
Winter Park
Lakewood
Greeley
Lone Tree
Cripple Creek
Thornton
Silverthorne
Manitou Springs
Fort Morgan
Glendale
Wheat Ridge
Brighton
Longmont
Idaho Springs
Parker
Sterling

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Alternative routes for St John to Denver

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Moncton to Denver flights

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