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Hamilton to Ottawa Flights — Fares from $408.00 | YHM–YOW

Compare the cheapest Hamilton (YHM) to Ottawa (YOW) fares found by our live flight search, then book online or over the phone with our travel experts.

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Adults
12+
1
Children
2–11
0
Infants
Under 2
0
Cabin
🏷️
Save up to 40% with unpublished phone fares
Consolidator deals on selected Hamilton → Ottawa flights that do not appear in online search results. The live fares below are bookable right now — or call to check for an unpublished fare on your dates.
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One-way fares Hamilton → Ottawa

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Porter Airlines
Porter Airlines CHEAPEST
YHM → YOW · Economy
lowest fare seen on this route
$680.67
$408.40
Select
See all flights & times → Prices per adult, one way, incl. taxes & fees. Availability changes constantly.
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Live fares we can book on YHM–YOW

Lowest fare found per airline on the YHM → YOW route, with our discounted phone-deal price.

AirlineCabin Found fareOur discounted fare Fare found on
Porter Airlines Porter Airlines Economy $680.67 $408.40 Oct 16, 2026 Book

Discounted fares are negotiated phone deals from our vendor network and may not appear in online search results — call 1-856-513-6369 to lock one in. Fares were found on the dates shown, are per person in USD, and change with availability.

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Page updated October 16, 2026 · fare data refreshed automatically from live flight searches.