Cheap flights from Washington, D.C. to Ontario from £95

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1 stop
Mon, Jul 28
Washington, D.C. DCAOntario ONT

£95
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1 stop
Wed, Jul 30
Washington, D.C. DCAOntario ONT

£120
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1 stop
Tue, Jul 29
Washington, D.C. DCAOntario ONT

£124
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1 stop
Sat, Aug 2
Washington, D.C. DCAOntario ONT

£126
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1 stop
Tue, Jul 29
Washington, D.C. DCAOntario ONT

£163
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1 stop
Wed, Jul 30
Washington, D.C. DCAOntario ONT

£164
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Prices updated:

1 stop
Mon, Jul 28 – Thu, Jul 31
Washington, D.C. DCAOntario ONT

£193
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1 stop
Mon, Jul 28 – Fri, Aug 1
Washington, D.C. DCAOntario ONT

£198
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1 stop
Mon, Jul 28 – Fri, Aug 1
Washington, D.C. DCAOntario ONT

£216
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1 stop
Mon, Jul 28 – Fri, Aug 1
Washington, D.C. DCAOntario ONT

£229
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1 stop
Sat, Aug 2 – Tue, Aug 5
Washington, D.C. DCAOntario ONT

£250
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1 stop
Sat, Aug 2 – Tue, Aug 5
Washington, D.C. DCAOntario ONT

£250
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Prices updated:

How much do flights to Ontario cost?

Key info about flying to Ontario

Depart from
Washington Dulles International
Arrive to
Ontario International
Average flights per week
153
Flight distance
Worth visiting
Griffith Observatory

Check-in for a flight from Washington, D.C. to Ontario

NameCarrier codeIATA CodePassport needed during booking
United AirlinesUALUANo
Alaska AirlinesASAASNo
Frontier AirlinesFFTF9No
Hawaiian AirlinesHALHANo

Weather in Ontario

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January18°C7°C
February18°C7°C
March19°C8°C
April23°C10°C
May25°C12°C
June29°C16°C
July33°C19°C
August33°C20°C
September32°C18°C
October27°C15°C
November22°C10°C
December17°C7°C
Hottest Month
33°C
August
Coldest month
7°C
February
Sunny days
340
days per year

14 day forecast

Friday
4 Jul
32°C18°C
11 Jul
34°C21°C
Saturday
5 Jul
34°C19°C
12 Jul
32°C19°C
Sunday
6 Jul
32°C19°C
13 Jul
33°C19°C
Monday
7 Jul
31°C19°C
14 Jul
33°C19°C
Tuesday
8 Jul
35°C19°C
15 Jul
33°C19°C
Wednesday
9 Jul
36°C21°C
16 Jul
32°C20°C
Thursday
10 Jul
35°C22°C
17 Jul
31°C20°C

Ontario travel tips

Have an authentic experience of eating bucket-loads of shellfish in Ontario
Prefer Scandia to Disneyland in Ontario to avoid crowds
Buy some rare plants at the Rancho Santa Ana Botanic Gardens near Ontario
Travelers usually depart from Washington Dulles International, Baltimore–Washington International, or Ronald Reagan Washington National when they travel from Washington, D.C. to Ontario. The most popular airlines for this route are United Airlines, Alaska Airlines, Frontier Airlines, and Hawaiian Airlines. Washington, D.C. and Ontario have 153 direct flights per week.

Frequently asked questions

What are the most popular routes to and from Washington, D.C.?
What are the most popular routes to and from Ontario?
Which airports are there in Washington, D.C.?
What airports are near Washington, D.C.?
What airports are near Ontario?
Which airlines fly between Washington, D.C. and Ontario?
When’s the best time to travel between Washington, D.C. and Ontario?
What flights operate between Washington, D.C. and Ontario?
How many airports are there near Washington, D.C.?
How many airports are there near Ontario?
What time do nonstop (direct) flights between Washington, D.C. and Ontario depart?
What time do nonstop (direct) flights between Washington, D.C. and Ontario arrive?
What time do flights between Washington, D.C. and Ontario depart?
What time do flights between Washington, D.C. and Ontario arrive?

Explore alternative trips

Flights from Washington, D.C.

Flights to Ontario

Popular routes

The nearest countries with flights to Ontario

Here is a list of countries people are flying from

Other destination countries from Washington, D.C.

Here is a list of countries people are flying to

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