Search flights, hotels & activities for Ottawa
Compare flights, hotels, cars, and activities in one place.
500+airlines & travel sites compared
1,200+routes tracked
€0booking fees from us
Architecture in Ottawa
Real architecture in Ottawa — live ratings, prices, and booking links.
Real architecture in Ottawa

Ottawa City Highlights 3 Hour Walking Tour | Gratuity-Based
★ 4.6(160 reviews)· 3 hrs
From €4

Original Haunted Walk of Ottawa
★ 4.6(293 reviews)· 1h 15m
From €24

Ottawa Boat Cruise - Paul's Boat Line
★ 4.3(962 reviews)· 1h 30m
From €34

Ottawa Premium City Tour with Parliament Hill & Canal Cruise
★ 4.3(171 reviews)· 4 hrs
From €89

Ottawa Boat Cruise - Rideau Canal Cruise
★ 4.3(1,209 reviews)· 1h 30m
From €36

Ottawa City Tour by Land and Water
★ 4.2(652 reviews)· 1 hr
From €38

Ottawa Hop-On Hop-Off Sightseeing Tour
★ 4.2(475 reviews)· 1h 30m
From €34

Ottawa Murder Mystery: Self-Guided City Detective Game
★ 4.0(4 reviews)· 2 hrs
From €7
Real listings from Viator, including live ratings and prices — clicking through takes you to book directly.
What to check before you book
- Compare what's actually included (guide, food, transport, entry fees) rather than just the headline price.
- Check the cancellation policy before booking, especially for weather-dependent or timed experiences.
- Read the meeting point details carefully — some tours start away from the main attraction.
Good to know
Ottawa is in Canada. The local currency is the Canadian dollar ($).
Other things to do in Ottawa
Flights to Ottawa
Plan the rest of your trip
FAQs — Architecture in Ottawa
Based on real current ratings, "Ottawa City Highlights 3 Hour Walking Tour | Gratuity-Based" is the highest-rated option we found (4.6 stars) — see the listings above.