Question 1

What are the most popular routes to and from Washington, D.C.?

Accepted Answer

Travelers frequently search for route combinations, such as Washington, D.C. and London, Orlando, Atlanta, Edinburgh, Los Angeles, Tampa, Mexico City, Miami, San Salvador, San Juan, Dallas, Istanbul, Denver, New Delhi, Guadalajara, Fort Lauderdale, Kathmandu, Manchester, Paris, Toronto.

Question 2

What are the most popular routes to and from Ontario?

Accepted Answer

Travelers frequently search for route combinations, such as Ontario and London, San Francisco, Guadalajara, Las Vegas, Seattle, Dallas, Houston, Sacramento, Portland, Denver, Atlanta, Chicago, Los Angeles, New York, Toronto, Calgary, Vancouver, Mexico City, Edmonton, Orlando.

Question 3

Which airports are there in Washington, D.C.?

Accepted Answer

Washington, D.C. is mainly served by Washington Dulles International. But there are other airports nearby, including Baltimore–Washington International, Ronald Reagan Washington National.

Question 4

What airports are near Washington, D.C.?

Accepted Answer

The main airport in Washington, D.C. is Washington Dulles International. It is also served by Philadelphia International, Norfolk International, Richmond International, Atlantic City International, Lehigh Valley International, Trenton–Mercer, Harrisburg International, Lancaster, Salisbury–Ocean City–Wicomico Regional, Hagerstown Regional.

Question 5

What airports are near Ontario?

Accepted Answer

The main airport in Ontario is Ontario International. It is also served by Tijuana International, San Diego International, John Wayne, Ontario International, Hollywood Burbank, Palm Springs International, Long Beach, Santa Barbara Municipal, Imperial County, Meadows Field.

Question 6

Which airlines fly between Washington, D.C. and Ontario?

Accepted Answer

Currently, you can fly between Washington, D.C. and Ontario with Frontier Airlines, United Airlines, Alaska Airlines, JetBlue Airways, Air Canada.

Question 7

When’s the best time to travel between Washington, D.C. and Ontario?

Accepted Answer

If you don’t have specific dates for your trip between Washington, D.C. and Ontario, you can enter a date range into the departure and return fields. Most carriers on the Kiwi.com website allow you to search and book up to six months from the day of your search. Order the search results by the best, cheapest, or fastest route, or find the cheapest outbound and return combination in the pricing table.

Question 8

What flights operate between Washington, D.C. and Ontario?

Accepted Answer

Traveling between Washington, D.C. and Ontario, you can choose between direct (nonstop) flights or flights with one or more stops. You can select the number of stops on your journey, including an overnight stopover, and the duration of the stopover. What’s more, you can also select where you want to have your stopover. Want to say "Hi" to a friend in another city en route to your destination? Or fancy a quick round of shopping? Go Multi-City or Nomad and add places to your search that you wish to visit.

Question 9

How many airports are there near Washington, D.C.?

Accepted Answer

There are a number of airports in and around Washington, D.C.. The main one is Washington Dulles International and other nearby airports include Philadelphia International, Norfolk International, Richmond International, Atlantic City International, Lehigh Valley International, Trenton–Mercer, Harrisburg International, Lancaster, Salisbury–Ocean City–Wicomico Regional, Hagerstown Regional

Question 10

How many airports are there near Ontario?

Accepted Answer

There are a number of airports in and around Ontario. The main one is Ontario International and other nearby airports include Tijuana International, San Diego International, John Wayne, Ontario International, Hollywood Burbank, Palm Springs International, Long Beach, Santa Barbara Municipal, Imperial County, Meadows Field.

Question 11

What time do nonstop (direct) flights between Washington, D.C. and Ontario depart?

Accepted Answer

This depends on the airline’s flight schedule. You can easily select your preferred departure time when you search on our website or mobile app. Choose the time of day you wish to depart from Washington, D.C., such as morning, afternoon, evening, or night, or select the exact hours for departure.

Question 12

What time do nonstop (direct) flights between Washington, D.C. and Ontario arrive?

Accepted Answer

This depends on the airline’s flight schedule. You can easily select your preferred arrival time when you search on our website or mobile app. Choose the time of day you wish to arrive at Ontario, such as morning, afternoon, evening, or night, or select the exact hours for arrival.

Question 13

What time do flights between Washington, D.C. and Ontario depart?

Accepted Answer

This depends on the airline’s flight schedule. You can easily select your preferred departure time when you search on our website or mobile app. Choose the time of day you wish to depart from Washington, D.C., such as morning, afternoon, evening, or night, or select the exact hours for departure.

Question 14

What time do flights between Washington, D.C. and Ontario arrive?

Accepted Answer

This depends on the airline’s flight schedule. You can easily select your preferred arrival time when you search on our website or mobile app. Choose the time of day you wish to arrive at Ontario, such as morning, afternoon, evening, or night, or select the exact hours for arrival.

Cheapest one-way trip	£97
Cheapest round-trip	£205
Average round-trip	£295
Most popular airline	Frontier Airlines

Name	Carrier code	IATA Code	Passport needed during booking
Frontier Airlines	FFT	F9	No
United Airlines	UAL	UA	No
Alaska Airlines	ASA	AS	No
JetBlue Airways	JBU	B6	No
Air Canada	ACA	AC	Yes

Month	Average monthly max temperature	Average monthly min temperature
January	18°C	7°C
February	18°C	7°C
March	20°C	8°C
April	23°C	10°C
May	25°C	12°C
June	29°C	16°C
July	33°C	19°C
August	33°C	20°C
September	31°C	18°C
October	27°C	14°C
November	22°C	10°C
December	17°C	7°C

Cheap flights from Washington, D.C. to Ontario from £97

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Key info about flying to Ontario

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Weather in Ontario

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Ontario travel tips

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Frequently asked questions