Ottawa → Washington flights
Ottawa (YND, YOW)→Washington (DCA, IAD)
from€542
Last observed price · Last checked: 2 Sep 2026 · Price may change
Short answer
The lowest fare our own searches returned is €542, seen on 2 Sep 2026. September 2026 is the cheapest month in our observations, at €542. These are prices our searches returned on the dates shown, not quotes; run a live search for today's fare.
Selected search
Last checked: 2 Sep 2026 · Price may change
€542
Fri 4 Sep 2026 → Mon 7 Sep 2026
United AirlinesNon-stop3 nights
CheapestLast checked: 2 Sep 2026 · Price may change
€542 lowest1h 43m fastest
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Tickets found in the last 7 days
The lowest fares our queries caught, cheapest first.
Starting prices by month
The lowest fare our queries observed in each month. Open a month to see its days; click a day with no price and we will search it for you.
Observed priceLowest monthno price observedLast checked: 2 Sep 2026
Ottawa → WashingtonFri 4 Sep 2026 · €542
Round trip
Route facts
Cheapest month
September 2026
€542
Typical duration
1h 43m
733 km
Alternative airports
2
YOW, IAD
Frequently asked
How much is a flight from Ottawa to Washington?+−
The lowest fare we have observed is €542, found on 2 Sep 2026. Prices move, so read it as a floor rather than a quote.
When is the cheapest month to fly from Ottawa to Washington?+−
In our observations September 2026 is the cheapest month so far, at €542.
Similar routes
More routes from Ottawa
Ottawa → New York€135Ottawa → Fort Lauderdale€241Ottawa → London€352Ottawa → Calgary€76Ottawa → Vancouver€117Ottawa → Toronto€93Ottawa → Cancun€161Ottawa → Winnipeg€170Ottawa → Edmonton€85Ottawa → Sydney€906Ottawa → Belgrade€536Ottawa → Nashville€164Ottawa → Paris€270Ottawa → Hamburg€523Ottawa → Orlando€184Ottawa → Antalya€678Ottawa → Almaty€679Ottawa → Amsterdam€289Ottawa → Faro€339Ottawa → Rochester€312Ottawa → Bilbao€473Ottawa → Cedar Rapids€265Ottawa → Punta Cana€516Ottawa → Kelowna€98Ottawa → Tokyo€1,084Ottawa → Montego Bay€287Ottawa → Denver€191Ottawa → Baku€1,005Ottawa → Istanbul€759Ottawa → Accra€737
More routes to Washington
San Salvador → Washington€214Orlando → Washington€112Atlanta → Washington€67Istanbul → Washington€584Fort Lauderdale → Washington€98Houston → Washington€102Los Angeles → Washington€171Guatemala City → Washington€434Minneapolis → Washington€75Dallas → Washington€172New York → Washington€206Cairo → Washington€392San Juan → Washington€77Rome → Washington€382Munich → Washington€405Dublin → Washington€403London → Washington€445Toronto → Washington€157Dubai → Washington€441Barcelona → Washington€339Copenhagen → Washington€392Casablanca → Washington€358Frankfurt → Washington€620Lisbon → Washington€378Vienna → Washington€567Edinburgh → Washington€391San Jose → Washington€162Brussels → Washington€379Puerto Vallarta → Washington€209Seoul → Washington€503
Last checked: 2 Sep 2026