When did momondo last update prices for flights from Southampton Eastleigh Airport to Ontario Airport?

Prices for flights from Southampton Eastleigh Airport to Ontario Airport refresh daily.

How old do you have to be to fly from Southampton Eastleigh Airport to Ontario Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Southampton Eastleigh Airport to Ontario Airport.

What documentation or ID do you need to fly to Ontario Airport?

The travel and health documents required for your trip to Ontario Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Ontario Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

£555 Cheap Flights from Southampton to Ontario in 2026/27

Find the cheapest flights from Southampton to Los Angeles

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

17:30 - 16:12SOU Southampton Eastleigh-ONT Ontario

30h 42m2 stops Amsterdam Schiphol Salt Lake City

07:00 - 08:55ONT Ontario-SOU Southampton Eastleigh

41h 55m2 stops Atlanta Hartsfield-Jackson Amsterdam Schiphol

£684Virgin Atlantic

Tue, 26 Jan - Thu, 11 Feb

17:35 - 17:16SOU Southampton Eastleigh-ONT Ontario

31h 41m2 stops Amsterdam Schiphol Seattle/Tacoma Intl

07:05 - 08:10ONT Ontario-SOU Southampton Eastleigh

17h 05m2 stops Atlanta Hartsfield-Jackson Amsterdam Schiphol

£712KLM

Tue, 17 Nov - Tue, 24 Nov

09:30 - 17:15SOU Southampton Eastleigh-ONT Ontario

39h 45m2 stops Amsterdam Schiphol Seattle/Tacoma Intl

23:08 - 08:10ONT Ontario-SOU Southampton Eastleigh

49h 02m2 stops Atlanta Hartsfield-Jackson Amsterdam Schiphol

£729KLM

Sun, 6 Dec - Sun, 13 Dec

08:40 - 20:54SOU Southampton Eastleigh-ONT Ontario

20h 14m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

07:06 - 08:55ONT Ontario-SOU Southampton Eastleigh

41h 49m2 stops Atlanta Hartsfield-Jackson Amsterdam Schiphol

£753Multiple Airlines

Wed, 25 Nov - Thu, 31 Dec

20:00 - 23:23SOU Southampton Eastleigh-ONT Ontario

35h 23m3 stops Dublin Lisbon Humberto Delgado San Francisco

06:00 - 14:55ONT Ontario-SOU Southampton Eastleigh

24h 55m3 stops Denver Intl Reykjavik Keflavik Intl Manchester

£969Multiple Airlines

Sun, 6 Dec - Sun, 13 Dec

09:20 - 23:23SOU Southampton Eastleigh-ONT Ontario

22h 03m2 stops Dublin San Francisco

06:00 - 14:55ONT Ontario-SOU Southampton Eastleigh

24h 55m3 stops Denver Intl Reykjavik Keflavik Intl Manchester

£1,094Multiple Airlines

Sun, 6 Dec - Sun, 13 Dec

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

KLM flights from Southampton to Ontario

Our best KLM deals on Southampton to Ontario flight tickets

KLM

17 Nov

SOU17:35Southampton Eastleigh

31h 41m

2 stops

ONT17:16Ontario

24 Nov

ONT07:05Ontario

17h 05m

2 stops

SOU08:10Southampton Eastleigh

£712

KLM

6 Dec

SOU09:30Southampton Eastleigh

39h 45m

2 stops

ONT17:15Ontario

13 Dec

ONT23:08Ontario

49h 02m

2 stops

SOU08:10Southampton Eastleigh

£729

Delta flights from Southampton to Ontario

Our best Delta deals on Southampton to Ontario flight tickets

Delta

23 Oct

SOU09:05Southampton Eastleigh

21h 38m

2 stops

ONT22:43Ontario

12 Nov

ONT12:18Ontario

20h 47m

2 stops

SOU17:05Southampton Eastleigh

£870

Delta

23 Oct

SOU09:05Southampton Eastleigh

21h 38m

2 stops

ONT22:43Ontario

11 Nov

ONT07:05Ontario

17h 05m

2 stops

SOU08:10Southampton Eastleigh

£921

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SouthamptonOntario

SOU Southampton Eastleigh - ONT Ontario

SOUONT

Southampton Eastleigh

Tue 26/1

17:30-16:12

2 stops30h 42m

Ontario

Thu 11/2

07:00-08:55

2 stops41h 55m

£684

SouthamptonOntario

SOU Southampton Eastleigh - ONT Ontario

SOUONT

Southampton Eastleigh

Tue 17/11

17:35-17:16

2 stops31h 41m

Ontario

Tue 24/11

07:05-08:10

2 stops17h 05m

£712

SouthamptonOntario

SOU Southampton Eastleigh - ONT Ontario

SOUONT

Southampton Eastleigh

Sun 6/12

09:30-17:15

2 stops39h 45m

Ontario

Sun 13/12

23:08-08:10

2 stops49h 02m

£729

SouthamptonOntario

SOU Southampton Eastleigh - ONT Ontario

SOUONT

Southampton Eastleigh

Wed 25/11

08:40-20:54

2 stops20h 14m

Ontario

Thu 31/12

07:06-08:55

2 stops41h 49m

£753

SouthamptonOntario

SOU Southampton Eastleigh - ONT Ontario

SOUONT

Southampton Eastleigh

Sun 6/12

20:00-23:23

3 stops35h 23m

Ontario

Sun 13/12

06:00-14:55

3 stops24h 55m

£969

Fastest return journey

SouthamptonOntario

SOU Southampton Eastleigh - ONT Ontario

SOUONT

Southampton Eastleigh

Sun 6/12

09:20-23:23

2 stops22h 03m

Ontario

Sun 13/12

06:00-14:55

3 stops24h 55m

£1,094

Cheapest one-way

Fastest single journey

SouthamptonOntario

SOU Southampton Eastleigh - ONT Ontario

SOUONT

Southampton Eastleigh

Sun 28/3

09:20-23:34

2 stops22h 14m

£555

SouthamptonOntario

SOU Southampton Eastleigh - ONT Ontario

SOUONT

Southampton Eastleigh

Fri 6/11

17:35-19:30

2 stops33h 55m

£1,322

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Southampton to Ontario

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Southampton Eastleigh to Ontario?

Aer Lingus and Delta are the most popular carriers operating from Southampton Eastleigh to Ontario

Which airlines fly to Ontario?

British Airways, Virgin Atlantic and Lufthansa are the top three most popular airlines that fly to Ontario from Southampton according to our data. British Airways is the first choice among our users, with 43% of people opting to fly with this airline when travelling to Ontario. Keep in mind that there are 20 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.

When to book flights from Southampton to Ontario

Are you open to changing your travel dates? Check out the ideal times to fly from Southampton to Ontario according to our flight data. Find out which month and days have the cheapest flights.

Estimated return price

Cheap Southampton to Ontario (SOU to ONT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Southampton to Ontario

Best price found	£555
Direct flights	None

The best one-way flight to Ontario from Southampton in the past 72 hours is £555. The best return flight deal from Southampton to Ontario found on momondo in the last 72 hours is £684.

There are no direct flights from Southampton to Ontario. There are no popular flight routes from Southampton to Ontario.

Search flight deals

Frequently asked questions about flying from Southampton to Ontario

How far is Southampton Eastleigh to Ontario by plane?
There are 5402.5 mi between Southampton Eastleigh and Ontario.
When did momondo last update prices for flights from Southampton Eastleigh Airport to Ontario Airport?
Prices for flights from Southampton Eastleigh Airport to Ontario Airport refresh daily.
How old do you have to be to fly from Southampton Eastleigh Airport to Ontario Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Southampton Eastleigh Airport to Ontario Airport.
What documentation or ID do you need to fly to Ontario Airport?
The travel and health documents required for your trip to Ontario Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Ontario Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

Why should I use momondo to find a flight deal from Southampton to Ontario?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Ontario from Southampton.

Can I find flights from Southampton to Ontario with flexible booking policies on momondo?

Yes. All flights to Ontario from Southampton on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Southampton to Ontario?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Southampton to Ontario.

I’m not ready to book a flight from Southampton to Ontario right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Southampton to Ontario now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Ontario and let you know when they change.