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Cheap flights from Ottawa to Nantucket from C$ 549

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 25/4. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — ACK
12 Apr — 19 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ottawa to Nantucket

Enter your travel dates to find the best prices.

Cheapest flights from Ottawa to Nantucket
Explore the most affordable flight options available from Ottawa to Nantucket. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 March 2026.

Mon 22/66:05 a.m.
YOW
-
ACK
1 stop3h 30m
United Airlines
Wed 24/63:44 p.m.
ACK
-
YOW
1 stop6h 21m
United Airlines
Deal found 8/3C$ 592
Mon 22/66:55 a.m.
YOW
-
ACK
2 stops30h 32m
Delta
Wed 24/64:51 p.m.
ACK
-
YOW
2 stops31h 29m
Delta
Deal found 8/3C$ 1,175

Find flight deals from Ottawa to Nantucket

Discover tips and strategies to find the most affordable flight options for your journey from Ottawa (YOW) to Nantucket (ACK). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 13 March 2026.

Round-trip from

C$ 592

One-way from

C$ 549

Popular in

February

Cheapest in

April

Average price

C$ 501
United Airlines
  • United Airlines
  • 22/6-24/6
  • 2 total stops
  • 9h 51m total
  • Ottawa to Nantucket
Search Deals
25/4
  • 25/4
  • 2 total stops
  • 29h 10m total
  • Ottawa to Nantucket
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (C$ 73 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ottawa to Nantucket 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 629,999 searches. Data last updated 13 March 2026.
Use the filters below to find and compare flights from Ottawa to Nantucket that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

OttawaNantucket

YOW - ACK

YOWACK

Ottawa

Mon 22/6

6:05 a.m.-9:35 a.m.

1 stop3h 30m

Nantucket Memorial

Wed 24/6

3:44 p.m.-10:05 p.m.

1 stop6h 21m

C$ 592

OttawaNantucket

YOW - ACK

YOWACK

Ottawa

Mon 22/6

6:55 a.m.-1:27 p.m.

2 stops30h 32m

Nantucket Memorial

Wed 24/6

4:51 p.m.-12:20 a.m.

2 stops31h 29m

C$ 1,175
Cheapest one-way
Quickest one-way

OttawaNantucket

YOW - ACK

YOWACK

Ottawa

Sat 25/4

8:40 a.m.-1:50 p.m.

2 stops29h 10m

C$ 549

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/3

Sorted by cheapest first

Best time to book a flight from Ottawa to Nantucket

Have a flexible travel schedule? Discover the best time to fly to Nantucket from Ottawa with our price prediction graph.
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 Ottawa to Nantucket

What is the cheapest month to book a flight from Ottawa to Nantucket?

Currently, April is the cheapest month in which you can book a flight from Ottawa to Nantucket (average of C$ 226). Flying from Ottawa to Nantucket in February is currently the most expensive (average of C$ 374). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Ottawa to Nantucket. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Ottawa to Nantucket?

    For as low as C$ 592, United Airlines can have you in Nantucket from Ottawa in 3h 30m. There are 641 km between Ottawa and Nantucket.

  • Can I find deals for flights from Ottawa to Nantucket that include hotel bookings?

    Yes. In addition to deals on Ottawa to Nantucket flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ottawa to Nantucket?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ottawa to Nantucket.

  • Can I find deals for business class flights from Ottawa to Nantucket?

    Yes. Cheapflights offers flight deals from Ottawa to Nantucket by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Ottawa to Nantucket?

    Currently, April is the cheapest month in which you can book a flight from Ottawa to Nantucket (average of C$ 226). Flying from Ottawa to Nantucket in February is currently the most expensive (average of C$ 374). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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How does Cheapflights help users find flights from Ottawa to Nantucket?

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Why should you use Cheapflights to find cheap flight tickets from Ottawa to Nantucket?

Cheapflights simply makes it quick and affordable to book flights from Ottawa to Nantucket by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Ottawa to Nantucket with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Ottawa to Nantucket, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Ottawa to Nantucket become cheaper?

Yes, Cheapflights offers price alerts on Ottawa to Nantucket flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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