$166+ Cheap flights from Denver (DEN) to Niagara Falls, ON, Canada
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 7/22. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — YYZ
Jul 9 — Jul 161
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Denver to Niagara Falls 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.Cheapflights Tip: The best prices from Denver Intl to Niagara Falls are usually found in August or July, booked 68 days in advance, depart on a Thursday or Friday and return on a Friday
Cheap flight deals from Denver to Niagara Falls
Cheapest
Best
Last-minute
One-way
Cheapest flights from Denver to Niagara FallsExplore the most affordable flight options available from Denver to Niagara Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 9, 2026.
Explore the most affordable flight options available from Denver to Niagara Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 9, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/228:52 pm
DEN
- YYZ
1 stop21h 58m
Multiple Airlines
Tue 7/2812:55 pm
YYZ
- DEN
1 stop10h 46m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$363
This Kiwi.com deal was found by Cheapflights users on 6/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/88:52 pm
DEN
- YYZ
1 stop21h 58m
Multiple Airlines
Thu 7/1612:55 pm
YYZ
- DEN
1 stop10h 46m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$370
This Kiwi.com deal was found by Cheapflights users on 6/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/276:00 am
DEN
- YYZ
1 stop12h 50m
Multiple Airlines
Sun 8/3012:55 pm
YYZ
- DEN
1 stop10h 54m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$378
This Kiwi.com deal was found by Cheapflights users on 6/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/206:00 am
DEN
- YYZ
1 stop12h 50m
Multiple Airlines
Mon 8/2412:55 pm
YYZ
- DEN
1 stop10h 54m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$386
This Kiwi.com deal was found by Cheapflights users on 6/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/88:52 pm
DEN
- YYZ
1 stop21h 58m
Multiple Airlines
Mon 7/2012:55 pm
YYZ
- DEN
1 stop20h 54m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$391
This Kiwi.com deal was found by Cheapflights users on 6/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/138:52 pm
DEN
- YYZ
1 stop21h 58m
Multiple Airlines
Tue 7/2112:55 pm
YYZ
- DEN
1 stop10h 46m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$394
This Kiwi.com deal was found by Cheapflights users on 6/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/178:52 pm
DEN
- YYZ
1 stop21h 58m
Multiple Airlines
Sun 8/234:45 pm
YYZ
- DEN
1 stop23h 24m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$396
This Kiwi.com deal was found by Cheapflights users on 6/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/1710:15 am
DEN
- YYZ
1 stop8h 35m
Multiple Airlines
Sun 7/196:00 am
YYZ
- DEN
2 stops23h 48m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$397
This Kiwi.com deal was found by Cheapflights users on 6/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/1010:15 am
DEN
- YYZ
1 stop8h 35m
Multiple Airlines
Thu 7/1612:55 pm
YYZ
- DEN
1 stop10h 46m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$398
This Kiwi.com deal was found by Cheapflights users on 6/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/98:52 pm
DEN
- YYZ
1 stop21h 58m
Multiple Airlines
Thu 7/1612:55 pm
YYZ
- DEN
1 stop28h 59m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$404
This Kiwi.com deal was found by Cheapflights users on 6/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/38:52 pm
DEN
- YYZ
1 stop21h 58m
Multiple Airlines
Tue 8/119:30 am
YYZ
- DEN
2 stops22h 58m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$405
Best flights from Denver to Niagara FallsDiscover carefully curated flight deals from Denver to Niagara Falls that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 9, 2026.
Discover carefully curated flight deals from Denver to Niagara Falls that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 9, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/178:52 pm
DEN
- YYZ
1 stop21h 58m
Multiple Airlines
Fri 8/218:35 pm
YYZ
- DEN
2 stops22h 46m
Multiple Airlines
Deal found 6/4![Multiple Airlines logo]()
$412
This Mytrip deal was found by Cheapflights users on 6/4. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/1412:15 pm
DEN
- YYZ
1 stop24h 00m
WestJet
Thu 7/234:30 pm
YYZ
- DEN
2 stops20h 50m
WestJet
Deal found 6/4![WestJet logo]()
$470
This Delta deal was found by Cheapflights users on 6/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/86:35 am
DEN
- YYZ
1 stop9h 04m
Delta
Wed 7/226:10 am
YYZ
- DEN
2 stops14h 04m
Delta
Deal found 6/5![Delta logo]()
$526
This Sun Country Air deal was found by Cheapflights users on 6/8. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/206:06 pm
DEN
- YYZ
1 stop20h 19m
Sun Country Air
Sun 6/285:55 pm
YYZ
- DEN
1 stop17h 10m
Sun Country Air
Deal found 6/8![Sun Country Air logo]()
$547
This Delta deal was found by Cheapflights users on 6/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/26:45 am
DEN
- YYZ
1 stop6h 34m
Delta
Mon 11/92:10 pm
YYZ
- DEN
1 stop8h 21m
Delta
Deal found 6/5![Delta logo]()
$550
This Delta deal was found by Cheapflights users on 6/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/21:15 pm
DEN
- YYZ
1 stop6h 44m
Delta
Mon 10/52:30 pm
YYZ
- DEN
1 stop8h 08m
Delta
Deal found 6/7![Delta logo]()
$550
This Delta deal was found by Cheapflights users on 6/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2812:59 am
DEN
- YYZ
1 stop5h 56m
Delta
Mon 9/79:45 am
YYZ
- DEN
1 stop6h 00m
Delta
Deal found 6/4![Delta logo]()
$550
This Delta deal was found by Cheapflights users on 6/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/16:05 am
DEN
- YYZ
1 stop7h 15m
Delta
Sun 8/99:45 am
YYZ
- DEN
1 stop9h 38m
Delta
Deal found 6/8![Delta logo]()
$550
This Delta deal was found by Cheapflights users on 6/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1611:10 am
DEN
- YYZ
1 stop9h 54m
Delta
Mon 10/196:00 pm
YYZ
- DEN
1 stop8h 23m
Delta
Deal found 6/8![Delta logo]()
$550
This Delta deal was found by Cheapflights users on 6/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/2612:59 am
DEN
- YYZ
1 stop5h 56m
Delta
Thu 8/206:34 pm
YYZ
- DEN
1 stop8h 02m
Delta
Deal found 6/6![Delta logo]()
$550
This Delta deal was found by Cheapflights users on 6/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/91:10 pm
DEN
- YYZ
1 stop8h 48m
Delta
Fri 7/176:10 am
YYZ
- DEN
2 stops14h 04m
Delta
Deal found 6/5![Delta logo]()
$552
This Delta deal was found by Cheapflights users on 6/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/283:15 pm
DEN
- YYZ
1 stop6h 43m
Delta
Sat 7/411:38 am
YYZ
- DEN
1 stop11h 06m
Delta
Deal found 6/6![Delta logo]()
$600
Last-minute flights from Denver to Niagara FallsDiscover last-minute flight deals from Denver to Niagara Falls. Data last updated June 9, 2026 and is based on user searches.
Discover last-minute flight deals from Denver to Niagara Falls. Data last updated June 9, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 6/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/88:52 pm
DEN
- YYZ
1 stop21h 58m
Multiple Airlines
Thu 7/1612:55 pm
YYZ
- DEN
1 stop10h 46m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$370
This Kiwi.com deal was found by Cheapflights users on 6/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/88:52 pm
DEN
- YYZ
1 stop21h 58m
Multiple Airlines
Mon 7/2012:55 pm
YYZ
- DEN
1 stop20h 54m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$391
This Kiwi.com deal was found by Cheapflights users on 6/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/84:25 pm
DEN
- YYZ
2 stops30h 40m
Multiple Airlines
Tue 7/2112:55 pm
YYZ
- DEN
1 stop28h 59m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$410
This Kiwi.com deal was found by Cheapflights users on 6/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/98:52 pm
DEN
- YYZ
1 stop21h 58m
Multiple Airlines
Thu 7/1612:55 pm
YYZ
- DEN
1 stop28h 59m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$404
This Kiwi.com deal was found by Cheapflights users on 6/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/1010:15 am
DEN
- YYZ
1 stop8h 35m
Multiple Airlines
Thu 7/1612:55 pm
YYZ
- DEN
1 stop10h 46m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$398
This Kiwi.com deal was found by Cheapflights users on 6/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/138:52 pm
DEN
- YYZ
1 stop21h 58m
Multiple Airlines
Tue 7/2112:55 pm
YYZ
- DEN
1 stop10h 46m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$394
This Kiwi.com deal was found by Cheapflights users on 6/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/1710:15 am
DEN
- YYZ
1 stop8h 35m
Multiple Airlines
Sun 7/196:00 am
YYZ
- DEN
2 stops23h 48m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$397
This Kiwi.com deal was found by Cheapflights users on 6/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/228:52 pm
DEN
- YYZ
1 stop21h 58m
Multiple Airlines
Tue 7/2812:55 pm
YYZ
- DEN
1 stop10h 46m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$363
This Booking.com deal was found by Cheapflights users on 6/8. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2812:15 pm
DEN
- YYZ
1 stop8h 30m
WestJet
Thu 8/63:50 pm
YYZ
- DEN
1 stop21h 30m
WestJet
Deal found 6/8![WestJet logo]()
$409
One-way flights from Denver to Niagara FallsSearch for one-way flight options from Denver to Niagara Falls. Find affordable one-way fares based on user searches. Data last updated June 9, 2026.
Search for one-way flight options from Denver to Niagara Falls. Find affordable one-way fares based on user searches. Data last updated June 9, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/228:52 pm
DEN
- YYZ
1 stop21h 58m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$166
This Kiwi.com deal was found by Cheapflights users on 6/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/298:52 pm
DEN
- YYZ
1 stop21h 58m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$172
This Mytrip deal was found by Cheapflights users on 6/8. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2212:15 pm
DEN
- YYZ
1 stop9h 55m
WestJet
Deal found 6/8![WestJet logo]()
$173
This Trip.com deal was found by Cheapflights users on 6/5. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2010:15 am
DEN
- YYZ
1 stop8h 35m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$183
This Kiwi.com deal was found by Cheapflights users on 6/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2512:15 pm
DEN
- YYZ
1 stop9h 55m
WestJet
Deal found 6/8![WestJet logo]()
$184
This Justfly.com deal was found by Cheapflights users on 6/9. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/112:15 pm
DEN
- YYZ
1 stop8h 30m
WestJet
Deal found 6/9![WestJet logo]()
$190
This Kiwi.com deal was found by Cheapflights users on 6/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/3110:15 am
DEN
- YYZ
1 stop8h 35m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$191
This Kiwi.com deal was found by Cheapflights users on 6/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/238:52 pm
DEN
- YYZ
1 stop21h 58m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$195
This Kiwi.com deal was found by Cheapflights users on 6/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/278:46 pm
DEN
- YYZ
1 stop22h 04m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$199
This Air Canada deal was found by Cheapflights users on 6/7. 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 6/2811:30 am
DEN
- YYZ
Nonstop3h 10m
Air Canada
Deal found 6/7![Air Canada logo]()
$208
This Air Canada deal was found by Cheapflights users on 6/5. 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.
Sat 6/276:10 pm
DEN
- YYZ
Nonstop3h 12m
Air Canada
Deal found 6/5![Air Canada logo]()
$209
Find flight deals from Denver to Niagara Falls
Keep the following information in mind while searching for Denver to Niagara Falls flight deals. Data was last updated June 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $363 (Kiwi.com) |
One-way from | $166 (Booking.com) |
Popular in | February |
Cheapest in | August |
Average price | $623 |
Cheapflights Fare Finder
Customize your flight search to find flights from Denver to Niagara Falls 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 June 9, 2026.
Use the filters below to find and compare flights from Denver to Niagara Falls that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
DenverToronto
DEN - YYZ
DENYYZ
Denver Intl
Mon 8/17
8:52 pm-8:50 pm
1 stop21h 58m
Toronto Pearson Intl
Fri 8/21
8:35 pm-5:21 pm
2 stops22h 46m
$412
DenverToronto
DEN - YYZ
DENYYZ
Denver Intl
Tue 7/14
12:15 pm-2:15 pm
1 stop24h 00m
Toronto Pearson Intl
Thu 7/23
4:30 pm-11:20 am
2 stops20h 50m
$470
DenverToronto
DEN - YYZ
DENYYZ
Denver Intl
Wed 7/8
6:35 am-5:39 pm
1 stop9h 04m
Toronto Pearson Intl
Wed 7/22
6:10 am-6:14 pm
2 stops14h 04m
$526
DenverToronto
DEN - YYZ
DENYYZ
Denver Intl
Sat 6/20
6:06 pm-4:25 pm
1 stop20h 19m
Toronto Pearson Intl
Sun 6/28
5:55 pm-9:05 am
1 stop17h 10m
$547
DenverToronto
DEN - YYZ
DENYYZ
Denver Intl
Mon 11/2
6:45 am-3:19 pm
1 stop6h 34m
Toronto Pearson Intl
Mon 11/9
2:10 pm-8:31 pm
1 stop8h 21m
$550
DenverToronto
DEN - YYZ
DENYYZ
Denver Intl
Fri 10/2
1:15 pm-9:59 pm
1 stop6h 44m
Toronto Pearson Intl
Mon 10/5
2:30 pm-8:38 pm
1 stop8h 08m
$550
Quickest round-trip
DenverToronto
DEN - YYZ
DENYYZ
Denver Intl
Fri 8/28
12:59 am-8:55 am
1 stop5h 56m
Toronto Pearson Intl
Mon 9/7
9:45 am-1:45 pm
1 stop6h 00m
$550
DenverToronto
DEN - YYZ
DENYYZ
Denver Intl
Sat 8/1
6:05 am-3:20 pm
1 stop7h 15m
Toronto Pearson Intl
Sun 8/9
9:45 am-5:23 pm
1 stop9h 38m
$550
DenverToronto
DEN - YYZ
DENYYZ
Denver Intl
Fri 10/16
11:10 am-11:04 pm
1 stop9h 54m
Toronto Pearson Intl
Mon 10/19
6:00 pm-12:23 am
1 stop8h 23m
$550
DenverToronto
DEN - YYZ
DENYYZ
Denver Intl
Sun 7/26
12:59 am-8:55 am
1 stop5h 56m
Toronto Pearson Intl
Thu 8/20
6:34 pm-12:36 am
1 stop8h 02m
$550
Showing 1-10 of 23 resultsSorted by cheapest first
Best time to book a flight from Denver to Niagara Falls
Have a flexible travel schedule? Discover the best time to fly to Niagara Falls from Denver with our price prediction graph.
DEN-YYZ
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 Denver to Niagara Falls
DEN-NI4
DEN-YYZ
What is the cheapest time of day to fly from DEN to NI4?
Find hourly flight availability from Denver to Niagara Falls. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 9, 2026.
When flying from Denver to Niagara Falls, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Weekly flight availability from Denver to Niagara Falls
Explore weekly flight availability from Denver to Niagara Falls. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated June 9, 2026.
The most flights from DEN to NI4 are scheduled on a Monday (10 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (9 on average).
How much does it cost to fly round-trip from Denver to Niagara Falls?
Reviews of airlines servicing Niagara Falls
Get insights into the airlines that provide service to Niagara Falls. 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 Niagara Falls. Reviews last updated June 9, 2026.
Get a feel of what it's like to fly with Delta,United Airlines, andWestJet from Denver to Niagara Falls by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.5
Food
7.2
Boarding
8.1
Comfort
7.8
Entertainment
7.8
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Food
7.2
Boarding
8.1
Comfort
7.8
Entertainment
7.8
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Food
7.2
Boarding
8.1
Comfort
7.8
Entertainment
7.8
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Food
7.2
Boarding
8.1
Comfort
7.8
Entertainment
7.8
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Food
7.2
Boarding
8.1
Comfort
7.8
Entertainment
7.8
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Related info for your journey
Find useful and relevant information for your journey from Denver to Niagara Falls. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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
Complete your trip
Flights by cabin class
Other flight options
Other flights from Denver
Popular flights
Top destinations
Alternative routes for Denver to Niagara Falls
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Niagara Falls by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Denver to Niagara Falls by cabin class
Find flights from Denver to Niagara Falls, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Denver and Niagara Falls flights
Browse other Denver and Niagara Falls flight options. Last updated on June 9, 2026.
Other flights from Denver
Browse through other flights departing from Denver. Flights are based on user searches made on Cheapflights and were last updated on June 9, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Denver to Niagara Falls flights
Consider these flights traveling from Denver to Niagara Falls.
Top 4 airlines flying from Denver to Niagara Falls
Discover the top 4 airlines that operate flights from Denver to Niagara Falls. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$195 | Average$543 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$218 | Average$488 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$223 | Average$386 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$224 | Average$624 | FlexibilityNo cancel fee | On-time69% |