Route Price Intelligence
Cheap Flights From Washington, D.C. to Ontario
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$341
Great Deal
Under $341
Typical Range
$341 – $383
Lowest We've Seen
$185
Based on 271 price pointshigh confidence
Monthly Price Guide
Jan
$341
Feb
$341
Mar
$341
Apr
$381
May
$311
Jun
$263
Jul
$335
Aug
$321
Sep
$321
Oct
$341
Nov
$356
Dec
$351
Cheapest Average Expensive
Best Time to Fly from Washington, D.C. to Ontario
The cheapest time to fly from Washington, D.C. to Ontario is typically June, when fares average around $263. The most expensive month tends to be April at around $381. For the best deals, consider flying in June, May, August.
Typical Price by Travel Month
Median round-trip fare for each month, with the typical price range, from our ongoing tracking of this route
Cheapest month: April17,308 fares analyzedTypical low: $366
Planning Los Angeles?
Best months to go, what a day on the ground costs, and the tours worth booking.
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