Question 1

What are the most popular routes to and from Ontario?

Accepted Answer

Travelers frequently search for route combinations, such as Ontario and Guadalajara, London, Dallas, Seattle, Las Vegas, San Francisco, Mexico City, Houston, Sacramento, Denver, Honolulu, New York, Portland, Chicago, Toronto, Orlando, Cancún, Veracruz, Manila, Edmonton.

Question 2

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, Manchester, Atlanta, Los Angeles, Orlando, Edinburgh, Glasgow, Mexico City, Dallas, Aberdeen, Tampa, Toronto, San Francisco, Denver, Boston, Houston, San Salvador, Lima, Miami, Las Vegas.

Question 3

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, Ontario International, John Wayne, Hollywood Burbank, Palm Springs International, Santa Barbara Municipal, Long Beach, McClellan–Palomar, Imperial County.

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, Trenton–Mercer, Lehigh Valley International, Harrisburg International, Salisbury–Ocean City–Wicomico Regional, Lancaster, Hagerstown Regional.

Question 5

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

Accepted Answer

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

Question 6

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

Accepted Answer

If you don’t have specific dates for your trip between Ontario and Washington, D.C., 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 7

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

Accepted Answer

Traveling between Ontario and Washington, D.C., 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 8

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, Ontario International, John Wayne, Hollywood Burbank, Palm Springs International, Santa Barbara Municipal, Long Beach, McClellan–Palomar, Imperial County

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, Trenton–Mercer, Lehigh Valley International, Harrisburg International, Salisbury–Ocean City–Wicomico Regional, Lancaster, Hagerstown Regional.

Question 10

What time do nonstop (direct) flights between Ontario and Washington, D.C. 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 Ontario, such as morning, afternoon, evening, or night, or select the exact hours for departure.

Question 11

What time do nonstop (direct) flights between Ontario and Washington, D.C. 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 Washington, D.C., such as morning, afternoon, evening, or night, or select the exact hours for arrival.

Question 12

What time do flights between Ontario and Washington, D.C. 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 Ontario, such as morning, afternoon, evening, or night, or select the exact hours for departure.

Question 13

What time do flights between Ontario and Washington, D.C. 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 Washington, D.C., such as morning, afternoon, evening, or night, or select the exact hours for arrival.

Cheapest one-way trip	£69
Cheapest round-trip	£135
Average round-trip	£295
Most popular airline	Frontier Airlines

Transport Option	Typical Time	Typical Cost	Frequency	Best For
Metro (Blue/Yellow Line)	15-20 min	$2 – $6; varies by destination and time of day	every 8–12 min (traffic dependent)	fastest and most affordable
Taxi	15-30 min	$15 – $25; metered; varies by traffic	on-demand 24/7 (traffic dependent)	door-to-door convenience

Transport Option	Typical Time	Typical Cost	Frequency	Best For
Metro Silver Line	45-60 min	$6; flat fare to downtown	every 8–15 min (traffic dependent)	budget travelers
Washington Flyer Coach to Metro	20-30 min	$5; to Wiehle-Reston East Metro	every 20 min (traffic dependent)	connecting to Metro
Taxi	45-75 min	$65 – $85; metered; varies by traffic	on-demand 24/7 (traffic dependent)	groups with luggage

Transport Option	Typical Time	Typical Cost	Frequency	Best For
MARC Penn Line to Union Station	35-45 min	$8; one-way fare	hourly weekdays (traffic dependent)	commuters to Union Station
Amtrak to Union Station	30-40 min	$15 – $50; varies by train type and booking time	multiple daily (traffic dependent)	comfort and speed
Taxi	50-90 min	$90 – $110; metered; varies by traffic	on-demand 24/7 (traffic dependent)	late night arrivals

Name	Carrier code	IATA Code	Passport needed during booking
Frontier Airlines	FFT	F9	No
United Airlines	UAL	UA	No
JetBlue Airways	JBU	B6	No
Alaska Airlines	ASA	AS	No
Volaris	VOI	Y4	No

Month	Average monthly max temperature	Average monthly min temperature
January	5°C	-2°C
February	7°C	0°C
March	13°C	3°C
April	19°C	8°C
May	23°C	13°C
June	29°C	18°C
July	32°C	21°C
August	30°C	20°C
September	26°C	17°C
October	20°C	11°C
November	13°C	5°C
December	8°C	1°C

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