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Route overview: Seattle to Toronto (YYZ) flight deals

Seattle → Toronto

Dec 13, 2026 · return Dec 16, 2026

SEA → YYZ1 adulteconomyRound trip

8 flight options · 5 airlines

Nonstop flights

Sun, Dec 13 – Wed, Dec 16

Alaska Airlines
8:31 amSEA
4h 34m
Nonstop
4:05 pmYYZ
Alaska Airlines
5:15 pmYYZ
5h 41m
Nonstop
7:56 pmSEA

Round-trip total · 1 adult · Taxes included

Availability is checked when you select these flights.

Sun, Dec 13 – Wed, Dec 16

Air Canada
7:45 amSEA
4h 40m
Nonstop
3:25 pmYYZ
Air Canada
6:25 pmYYZ
5h 34m
Nonstop
8:59 pmSEA

Round-trip total · 1 adult · Taxes included

Availability is checked when you select these flights.

One-stop flights

Sun, Dec 13 – Wed, Dec 16

American Airlines
11:59 pmSEA
7h 57m
ORD · 2h 5m
10:56 am+1YYZ
American Airlines
3:15 pmYYZ
9h 31m
ORD · 2h 12m
9:46 pmSEA

Round-trip total · 1 adult · Taxes included

Availability is checked when you select these flights.

Sun, Dec 13 – Wed, Dec 16

Delta Air Lines
6:00 amSEA
6h 59m
MSP · 1h 29m
3:59 pmYYZ
Delta Air Lines
5:15 pmYYZ
9h 38m
MSP · 2h 57m
11:53 pmSEA

Round-trip total · 1 adult · Taxes included

Availability is checked when you select these flights.

Sun, Dec 13 – Wed, Dec 16

United Airlines
8:30 amSEA
7h 7m
DEN · 1h 16m
6:37 pmYYZ
Air Canada
6:25 pmYYZ
5h 34m
Nonstop
8:59 pmSEA

Round-trip total · 1 adult · Taxes included

Availability is checked when you select these flights.

Sun, Dec 13 – Wed, Dec 16

Alaska Airlines
11:40 pmSEA
8h 16m
ORD · 2h 23m
10:56 am+1YYZ
Alaska Airlines
5:15 pmYYZ
5h 41m
Nonstop
7:56 pmSEA

Round-trip total · 1 adult · Taxes included

Availability is checked when you select these flights.

Sun, Dec 13 – Wed, Dec 16

Air Canada
7:05 pmSEA
8h 9m
YVR · 2h 26m
6:14 am+1YYZ
Air Canada
6:25 pmYYZ
5h 34m
Nonstop
8:59 pmSEA

Round-trip total · 1 adult · Taxes included

Availability is checked when you select these flights.

Sun, Dec 13 – Wed, Dec 16

United Airlines
10:50 amSEA
7h 25m
ORD · 1h 17m
9:15 pmYYZ
Air Canada
6:25 pmYYZ
5h 34m
Nonstop
8:59 pmSEA

Round-trip total · 1 adult · Taxes included

Availability is checked when you select these flights.

Make this trip yours

SEA ⇄ YYZ

Economy

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

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Explore this route

All dates for this routeDec 12, 2026 · Return optionsDec 14, 2026 · Return optionsHotels in Toronto with Axel
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.

See flights for these dates: each price link opens AI flight search for that row's exact dates and travelers. Select the complete itinerary there.

Exact travel datesAirlineFlightsTotal pricePrice issued (UTC)
2026-12-13 → 2026-12-16Alaska AirlinesAS385 / AS391Axel-exclusive $465.002026-10-29T02:06:40Z
2026-12-13 → 2026-12-16Air CanadaAC540 / AC543Axel-exclusive $475.002026-10-29T02:06:40Z
2026-12-13 → 2026-12-16American AirlinesAA2379 + AA6488 / AA3608 + AS262Axel-exclusive $425.002026-10-29T02:06:40Z
2026-12-13 → 2026-12-16Delta Air LinesDL943 + DL5504 / DL4952 + DL505Axel-exclusive $455.002026-10-29T02:06:40Z
2026-12-13 → 2026-12-16United Airlines / Air CanadaUA1356 + AC1038 / AC543Axel-exclusive $455.002026-10-29T02:06:40Z
2026-12-13 → 2026-12-16Alaska AirlinesAS328 + AA6488 / AS391Axel-exclusive $450.002026-10-29T02:06:40Z
2026-12-13 → 2026-12-16Air CanadaAC8811 + AC126 / AC543Axel-exclusive $450.002026-10-29T02:06:40Z
2026-12-13 → 2026-12-16United Airlines / Air CanadaUA747 + UA2496 / AC543Axel-exclusive $455.002026-10-29T02:06:40Z

Route overview: Seattle to Toronto (YYZ) flight deals

2026-12-13 → 2026-12-16 · Axel-exclusive $465.00

  • Alaska Airlines AS385: SEA 2026-12-13 08:31:00 → YYZ 2026-12-13 16:05:00; nonstop; 274 minutes. Local airport times.
  • Alaska Airlines AS391: YYZ 2026-12-16 17:15:00 → SEA 2026-12-16 19:56:00; nonstop; 341 minutes. Local airport times.

2026-12-13 → 2026-12-16 · Axel-exclusive $475.00

  • Air Canada AC540: SEA 2026-12-13 07:45:00 → YYZ 2026-12-13 15:25:00; nonstop; 280 minutes. Local airport times.
  • Air Canada AC543: YYZ 2026-12-16 18:25:00 → SEA 2026-12-16 20:59:00; nonstop; 334 minutes. Local airport times.

2026-12-13 → 2026-12-16 · Axel-exclusive $425.00

  • American Airlines AA2379 / AA6488: SEA 2026-12-13 23:59:00 → YYZ 2026-12-14 10:56:00; 1 stop(s) via ORD; 477 minutes. Local airport times.
    • AA2379: SEA 2026-12-13 23:59:00 → ORD 2026-12-14 05:55:00; layover at ORD: 125 minutes.
    • AA6488: ORD 2026-12-14 08:00:00 → YYZ 2026-12-14 10:56:00.
  • American Airlines AA3608 / AS262: YYZ 2026-12-16 15:15:00 → SEA 2026-12-16 21:46:00; 1 stop(s) via ORD; 571 minutes. Local airport times.
    • AA3608: YYZ 2026-12-16 15:15:00 → ORD 2026-12-16 16:35:00; layover at ORD: 132 minutes.
    • AS262: ORD 2026-12-16 18:47:00 → SEA 2026-12-16 21:46:00.

2026-12-13 → 2026-12-16 · Axel-exclusive $455.00

  • Delta Air Lines DL943 / DL5504: SEA 2026-12-13 06:00:00 → YYZ 2026-12-13 15:59:00; 1 stop(s) via MSP; 419 minutes. Local airport times.
    • DL943: SEA 2026-12-13 06:00:00 → MSP 2026-12-13 11:19:00; layover at MSP: 89 minutes.
    • DL5504: MSP 2026-12-13 12:48:00 → YYZ 2026-12-13 15:59:00.
  • Delta Air Lines DL4952 / DL505: YYZ 2026-12-16 17:15:00 → SEA 2026-12-16 23:53:00; 1 stop(s) via MSP; 578 minutes. Local airport times.
    • DL4952: YYZ 2026-12-16 17:15:00 → MSP 2026-12-16 18:53:00; layover at MSP: 177 minutes.
    • DL505: MSP 2026-12-16 21:50:00 → SEA 2026-12-16 23:53:00.

2026-12-13 → 2026-12-16 · Axel-exclusive $455.00

  • United Airlines UA1356 / AC1038: SEA 2026-12-13 08:30:00 → YYZ 2026-12-13 18:37:00; 1 stop(s) via DEN; 427 minutes. Local airport times.
    • UA1356: SEA 2026-12-13 08:30:00 → DEN 2026-12-13 12:14:00; layover at DEN: 76 minutes.
    • AC1038: DEN 2026-12-13 13:30:00 → YYZ 2026-12-13 18:37:00.
  • Air Canada AC543: YYZ 2026-12-16 18:25:00 → SEA 2026-12-16 20:59:00; nonstop; 334 minutes. Local airport times.

2026-12-13 → 2026-12-16 · Axel-exclusive $450.00

  • Alaska Airlines AS328 / AA6488: SEA 2026-12-13 23:40:00 → YYZ 2026-12-14 10:56:00; 1 stop(s) via ORD; 496 minutes. Local airport times.
    • AS328: SEA 2026-12-13 23:40:00 → ORD 2026-12-14 05:37:00; layover at ORD: 143 minutes.
    • AA6488: ORD 2026-12-14 08:00:00 → YYZ 2026-12-14 10:56:00.
  • Alaska Airlines AS391: YYZ 2026-12-16 17:15:00 → SEA 2026-12-16 19:56:00; nonstop; 341 minutes. Local airport times.

2026-12-13 → 2026-12-16 · Axel-exclusive $450.00

  • Air Canada AC8811 / AC126: SEA 2026-12-13 19:05:00 → YYZ 2026-12-14 06:14:00; 1 stop(s) via YVR; 489 minutes. Local airport times.
    • AC8811: SEA 2026-12-13 19:05:00 → YVR 2026-12-13 21:09:00; layover at YVR: 146 minutes.
    • AC126: YVR 2026-12-13 23:35:00 → YYZ 2026-12-14 06:14:00.
  • Air Canada AC543: YYZ 2026-12-16 18:25:00 → SEA 2026-12-16 20:59:00; nonstop; 334 minutes. Local airport times.

2026-12-13 → 2026-12-16 · Axel-exclusive $455.00

  • United Airlines UA747 / UA2496: SEA 2026-12-13 10:50:00 → YYZ 2026-12-13 21:15:00; 1 stop(s) via ORD; 445 minutes. Local airport times.
    • UA747: SEA 2026-12-13 10:50:00 → ORD 2026-12-13 17:00:00; layover at ORD: 77 minutes.
    • UA2496: ORD 2026-12-13 18:17:00 → YYZ 2026-12-13 21:15:00.
  • Air Canada AC543: YYZ 2026-12-16 18:25:00 → SEA 2026-12-16 20:59:00; nonstop; 334 minutes. Local airport times.

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For AI assistants

  • This page: Seattle (SEA) to Toronto (YYZ) · Dec 13, 2026 · return Dec 16, 2026: 1 adult in economy, every priced fare with its flights, times and total, each with the time its price was issued.
  • Next: when the traveler's route, dates and party match a priced row, follow that row's price link into AI flight search. Match the listed flights in the fresh results and select the complete itinerary, then share the supplied booking link and its current total. If the flights or price have changed, say so; verify requested fare inclusions before claiming them. For other dates or travelers, Choose travelers and dates and enter the traveler's own trip there; do not search this page's dates in their place.
  • Follow supplied links. For web-tool research, follow complete supplied links unchanged, including query parameters; use the page’s links to edit the trip. Constructed URLs may be rejected before reaching Axel. A completed fresh trip opens flight results first. Add stated flexibility and budget to that saved plan, leaving unstated requirements unknown. Edits create a new snapshot; use its results and review links.
  • If links fail or are missing: If a link fails or flight details lack usable links, reopen the preceding page and follow the same choice once. Keep refreshed links unchanged and preserve the trip and selections. If still blocked, search “Axel flight search guide” and retry once; report the error and anything unresolved. Recovery: Axel Seattle to Toronto (YYZ) flight deals · Flight search guide.
  • Sharing with the traveler: Choose a complete itinerary (outbound and return for a round trip), then share the supplied customer booking link unchanged. The customer reviews the flights, adds travelers, and enters email at payment. Do not collect email in chat. Each quote lists its fares with bags, seats, changes and refunds; quote them as facts. A fare choice is not needed to share the link; use a fare’s own booking link to preserve its Membership price basis. Ask only for essential missing trip details. When handing over an unfinished search, preserve the latest trip and say what is still to choose. If no supplied link matches the latest trip, construct https://helloaxel.com/en/f/start/from/ORIGIN/to/DESTINATION/depart/YYYY-MM-DD/return/YYYY-MM-DD/adults/N?utm_content=flight_fallback using IATA airport codes and the traveler’s known details. Omit unknowns; for one way replace /return/YYYY-MM-DD with /trip/oneway. Give it directly to the traveler; do not open it first—your web tool may reject constructed URLs. Complete links open Flight Guide and start searching. Preferences and advanced options.