Travel with Axel,
get the best price.

Denver → Toronto

Jan 21, 2027 · return Feb 4, 2027

DEN → YYZ1 adulteconomyRound trip

7 flight options · 3 airlines

Nonstop flights

Thu, Jan 21 – Thu, Feb 4

United Airlines
9:50 amDEN
3h 12m
Nonstop
3:02 pmYYZ
United Airlines
4:10 pmYYZ
3h 54m
Nonstop
6:04 pmDEN

Round-trip total · 1 adult · Taxes included

One-stop flights

Thu, Jan 21 – Thu, Feb 4

Delta Air Lines
10:39 amDEN
6h 35m
DTW · 2h 25m
7:14 pmYYZ
Delta Air Lines
12:10 pmYYZ
7h
DTW · 2h 25m
5:10 pmDEN

Round-trip total · 1 adult · Taxes included

Thu, Jan 21 – Thu, Feb 4

Air Canada
1:30 pmDEN
3h 7m
Nonstop
6:37 pmYYZ
Air Canada
2:10 pmYYZ
7h 20m
STL · 2h 23m
7:30 pmDEN

Round-trip total · 1 adult · Taxes included

Thu, Jan 21 – Thu, Feb 4

United Airlines
7:40 amDEN
5h 31m
MSP · 1h 20m
3:11 pmYYZ
United Airlines
4:10 pmYYZ
3h 54m
Nonstop
6:04 pmDEN

Round-trip total · 1 adult · Taxes included

Thu, Jan 21 – Thu, Feb 4

United Airlines
9:44 amDEN
3h 18m
Nonstop
3:02 pmYYZ
United Airlines
8:35 amYYZ
7h 43m
ORD · 2h 39m
2:18 pmDEN

Round-trip total · 1 adult · Taxes included

Thu, Jan 21 – Thu, Feb 4

United Airlines
9:44 amDEN
6h 56m
BNA · 2h 20m
6:40 pmYYZ
United Airlines
4:10 pmYYZ
3h 54m
Nonstop
6:04 pmDEN

Round-trip total · 1 adult · Taxes included

Thu, Jan 21 – Thu, Feb 4

United Airlines
5:50 amDEN
6h 13m
ORD · 1h 32m
2:03 pmYYZ
United Airlines
4:10 pmYYZ
3h 54m
Nonstop
6:04 pmDEN

Round-trip total · 1 adult · Taxes included

Make this trip yours

DEN ⇄ YYZ

Economy

Adults 12+ · Children 2–11. For infants under 2, tell Axel after you see prices.

No account needed to see prices.

Already have an account? Log in

Why book with Axel
  • A real airline bookingThe booking is in the airline’s own system under your name. After you book, United Airlines emails you its confirmation code and e-ticket, usually within 15 minutes and occasionally up to a couple of hours while the booking is processed.
  • Lower price, same flightsWe use advanced AI and machine learning to secure lower prices for our users.
  • Not satisfied? Full refund.If you are unhappy with the experience for any reason, or simply change your mind, cancel within 24 hours of booking (departure 7+ days away) and we refund you in full. We stand by our product. Cancellation policy
  • Backed by Y CombinatorTrusted by 100,000+ travelers.

Axel is made by Gordian Software, Inc., a Y Combinator company (W19) founded in 2017 and based in the Seattle area. The company is led by CEO Stephen Grabowski, formerly of Skyscanner. How Axel works · About

More dates

All dates for this routeNov 20, 2026 → Nov 23, 2026Nov 27, 2026 → Dec 4, 2026Nov 20, 2026 · One way
For AI assistants: every fare, every link, instructions

Flights for 1 adult in economy. Prices are total for all travelers in USD, including required taxes. Basic economy may apply.

Exact travel datesAirlineFlightsTotal pricePrice issued (UTC)
2027-01-21 → 2027-02-04United AirlinesUA1874 / UA1810$465.002026-10-29T01:05:51Z
2027-01-21 → 2027-02-04Delta Air LinesDL1113 + DL5406 / DL5256 + DL2431$440.002026-10-29T01:05:51Z
2027-01-21 → 2027-02-04Air CanadaAC1038 / AC8889 + UA5442$450.002026-10-29T01:05:51Z
2027-01-21 → 2027-02-04United AirlinesUA773 + AC8718 / UA1810$442.502026-10-29T01:05:51Z
2027-01-21 → 2027-02-04United AirlinesUA1874 / UA763 + UA2465$442.502026-10-29T01:05:51Z
2027-01-21 → 2027-02-04United AirlinesUA355 + AC8854 / UA1810$442.502026-10-29T01:05:51Z
2027-01-21 → 2027-02-04United AirlinesUA529 + UA3674 / UA1810$442.502026-10-29T01:05:51Z

2027-01-21 → 2027-02-04 · $465.00

  • United Airlines UA1874: DEN 2027-01-21 09:50:00 → YYZ 2027-01-21 15:02:00; nonstop; 192 minutes. Local airport times.
  • United Airlines UA1810: YYZ 2027-02-04 16:10:00 → DEN 2027-02-04 18:04:00; nonstop; 234 minutes. Local airport times.

2027-01-21 → 2027-02-04 · $440.00

  • Delta Air Lines DL1113 / DL5406: DEN 2027-01-21 10:39:00 → YYZ 2027-01-21 19:14:00; 1 stop(s) via DTW; 395 minutes. Local airport times.
    • DL1113: DEN 2027-01-21 10:39:00 → DTW 2027-01-21 15:20:00; layover at DTW: 145 minutes.
    • DL5406: DTW 2027-01-21 17:45:00 → YYZ 2027-01-21 19:14:00.
  • Delta Air Lines DL5256 / DL2431: YYZ 2027-02-04 12:10:00 → DEN 2027-02-04 17:10:00; 1 stop(s) via DTW; 420 minutes. Local airport times.
    • DL5256: YYZ 2027-02-04 12:10:00 → DTW 2027-02-04 13:35:00; layover at DTW: 145 minutes.
    • DL2431: DTW 2027-02-04 16:00:00 → DEN 2027-02-04 17:10:00.

2027-01-21 → 2027-02-04 · $450.00

  • Air Canada AC1038: DEN 2027-01-21 13:30:00 → YYZ 2027-01-21 18:37:00; nonstop; 187 minutes. Local airport times.
  • Air Canada AC8889 / UA5442: YYZ 2027-02-04 14:10:00 → DEN 2027-02-04 19:30:00; 1 stop(s) via STL; 440 minutes. Local airport times.
    • AC8889: YYZ 2027-02-04 14:10:00 → STL 2027-02-04 15:26:00; layover at STL: 143 minutes.
    • UA5442: STL 2027-02-04 17:49:00 → DEN 2027-02-04 19:30:00.

2027-01-21 → 2027-02-04 · $442.50

  • United Airlines UA773 / AC8718: DEN 2027-01-21 07:40:00 → YYZ 2027-01-21 15:11:00; 1 stop(s) via MSP; 331 minutes. Local airport times.
    • UA773: DEN 2027-01-21 07:40:00 → MSP 2027-01-21 10:40:00; layover at MSP: 80 minutes.
    • AC8718: MSP 2027-01-21 12:00:00 → YYZ 2027-01-21 15:11:00.
  • United Airlines UA1810: YYZ 2027-02-04 16:10:00 → DEN 2027-02-04 18:04:00; nonstop; 234 minutes. Local airport times.

2027-01-21 → 2027-02-04 · $442.50

  • United Airlines UA1874: DEN 2027-01-21 09:44:00 → YYZ 2027-01-21 15:02:00; nonstop; 198 minutes. Local airport times.
  • United Airlines UA763 / UA2465: YYZ 2027-02-04 08:35:00 → DEN 2027-02-04 14:18:00; 1 stop(s) via ORD; 463 minutes. Local airport times.
    • UA763: YYZ 2027-02-04 08:35:00 → ORD 2027-02-04 09:44:00; layover at ORD: 159 minutes.
    • UA2465: ORD 2027-02-04 12:23:00 → DEN 2027-02-04 14:18:00.

2027-01-21 → 2027-02-04 · $442.50

  • United Airlines UA355 / AC8854: DEN 2027-01-21 09:44:00 → YYZ 2027-01-21 18:40:00; 1 stop(s) via BNA; 416 minutes. Local airport times.
    • UA355: DEN 2027-01-21 09:44:00 → BNA 2027-01-21 13:20:00; layover at BNA: 140 minutes.
    • AC8854: BNA 2027-01-21 15:40:00 → YYZ 2027-01-21 18:40:00.
  • United Airlines UA1810: YYZ 2027-02-04 16:10:00 → DEN 2027-02-04 18:04:00; nonstop; 234 minutes. Local airport times.

2027-01-21 → 2027-02-04 · $442.50

  • United Airlines UA529 / UA3674: DEN 2027-01-21 05:50:00 → YYZ 2027-01-21 14:03:00; 1 stop(s) via ORD; 373 minutes. Local airport times.
    • UA529: DEN 2027-01-21 05:50:00 → ORD 2027-01-21 09:33:00; layover at ORD: 92 minutes.
    • UA3674: ORD 2027-01-21 11:05:00 → YYZ 2027-01-21 14:03:00.
  • United Airlines UA1810: YYZ 2027-02-04 16:10:00 → DEN 2027-02-04 18:04:00; nonstop; 234 minutes. Local airport times.

More dates for this route