Question 1

What are the most popular routes to and from London?

Accepted Answer

Travelers frequently search for route combinations, such as London and Lisbon, Istanbul, Athens, Tirana, Faro, Bucharest, Málaga, Larnaca, New York, Dubai, Tenerife, Alicante, Rome, Milan, Barcelona, Dublin, Amsterdam, Palma, Majorca, Tel Aviv, Madrid.

Question 2

What are the most popular routes to and from Ontario?

Accepted Answer

Travelers frequently search for route combinations, such as Ontario and New York, Bangkok, San Francisco, Denver, Sacramento, Taipei, Manila, Toronto, Calgary, Seattle, Las Vegas, San Jose, Orlando, Houston, Macau, Los Angeles, Washington, D.C., Manchester, Detroit, Guadalajara.

Question 3

Which airports are there in London?

Accepted Answer

London is mainly served by Heathrow. But there are other airports nearby, including Gatwick, London Stansted, Luton, London City, London Southend, RAF Northolt.

Question 4

What airports are near London?

Accepted Answer

The main airport in London is Heathrow. It is also served by Birmingham, Bristol, East Midlands, Cardiff, Bournemouth, Doncaster Sheffield, Southampton, Exeter, Norwich, Humberside.

Question 5

What airports are near Ontario?

Accepted Answer

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

Question 6

What buses and trains depart from London?

Accepted Answer

A number of bus and train companies depart from London, including National Express.

Question 7

Is it possible to combine flights, buses, and trains in one itinerary when traveling between London and Ontario?

Accepted Answer

Yes, it's possible to combine different modes of transport between London and Ontario thanks to our Virtual Interlining technology. Making use of not only flights but also trains and buses between London and Ontario can give rise to new adventures. Read more about how Virtual Interlining works on Kiwi.com Stories.

Question 8

What is Virtual Interlining and how do I use it?

Accepted Answer

Virtual Interlining provides a revolutionary way of traveling. You can combine different modes of transport like flights, trains, and buses into one itinerary. And this often saves money. Thanks to the world's largest carrier database, the Kiwi.com search function enables anyone to mix and match different modes of transport easily.

Question 9

Which airlines fly between London and Ontario?

Accepted Answer

Currently, you can fly between London and Ontario with Frontier Airlines, United Airlines, Norse Atlantic Airways, Ryanair, Delta Air Lines.

Question 10

When's the best time to travel between London and Ontario?

Accepted Answer

If you don’t have specific dates for your trip between London 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 11

What flights operate between London and Ontario?

Accepted Answer

Traveling between London 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 12

How many airports are there near London?

Accepted Answer

There are a number of airports in and around London. The main one is Heathrow and other nearby airports include Birmingham, Bristol, East Midlands, Cardiff, Bournemouth, Doncaster Sheffield, Southampton, Exeter, Norwich, Humberside

Question 13

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 San Diego International, Ontario International, Tijuana International, John Wayne, Hollywood Burbank, Palm Springs International, Santa Barbara Municipal, Meadows Field, Imperial County, McClellan–Palomar.

Question 14

Is it possible to reach London by bus or train?

Accepted Answer

Yes, London has great ground transport connections with the rest of the world. Our price graph doesn't just show prices for flights to and from London, it also shows buses and trains.

Question 15

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

Question 16

What time do nonstop (direct) flights between London 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 17

What time do flights between London 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 London, such as morning, afternoon, evening, or night, or select the exact hours for departure.

Question 18

What time do flights between London 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	£309
Cheapest round-trip	£483
Average round-trip	£1167
Includes rare itinerary	Travel hack
Most popular airline	Frontier Airlines

Name	Carrier code	IATA Code	Passport needed during booking	Online check-in available
Frontier Airlines	FFT	F9	No	Opens 24 days before flight Closes 1 hours before flight
United Airlines	UAL	UA	Yes	No
Norse Atlantic Airways	NBT	N0	Yes	Opens 24 days before flight Closes 2 hours before flight
Ryanair	RYR	FR	No	Opens 24 days before flight Closes 2 hours before flight
Delta Air Lines	DAL	DL	Yes	Opens 24 days before flight Closes 1 hours before flight

Travel restrictions	Travel is allowed with restrictions for vaccinated travelers No proof of negative pre-departure COVID-19 test results or recovery certificate is required for United States No quarantine is required for vaccinated travelers
Visa requirements	Electronic Travel Authorization (ESTA)
Forms and documents	Mandatory proof of COVID-19 vaccination is required for United States Mandatory travel attestation form

Travel restrictions	Travel is allowed No proof of a negative pre-departure COVID-19 test is required No quarantine is required
Visa requirements	Electronic Travel Authorization (ESTA)

Cheap flights from London to Ontario, CA

Flights starting at £309. Choose between Frontier Airlines, United Airlines, or Norse Atlantic Airways to find the best price.

Tips to know when travelling to Ontario

Cheapest one-way trip

Cheapest round-trip

Average round-trip

Includes rare itinerary

Most popular airline

Search by stops

Search by carrier

Search by price

Search by departure date

One-way trips

Return trips

Check-in for a flight from London to Ontario

United States COVID-19 travel restrictions

Departure

Return

Frequently asked questions

Explore alternative trips

Flights from London

Flights to Ontario

Popular routes

The nearest countries with flights to Ontario

Other destination countries from London

Airports near Ontario

Company

Platform

Help & support

Features