Cheap flights from San Salvador, El Salvador to Ontario, CA

Flights starting at £248. Choose between United Airlines, Avianca, or Frontier Airlines to find the best price.

One search, all the flights

We find you the best flight deals and travel hacks so that you can choose how to book.

Rise above all travel anxieties

With the Kiwi.com Guarantee we have your back with whatever happens.

Trusted by millions

Join over 10 million yearly travellers booking with ease.

Key info about flying to Ontario

Depart from
Monseñor Óscar Arnulfo Romero International
Arrive to
Ontario International
Average flights per week
94
Flight distance
3681 km
Worth visiting
Griffith Observatory

Weekly direct flights

Discover the top airlines offering direct flights from San Salvador to Ontario in the next month. You’ll find the number of daily direct flights per airline in the chart.

AirlineMon 02.12Tue 03.12Wed 04.12Thu 05.12Fri 06.12Sat 07.12Sun 08.12
---1---1---1---
Weekly flights: 3 totalDaily flights: 0.43 averageMost flights: Tuesday 1 flights
AirlineMon 09.12Tue 10.12Wed 11.12Thu 12.12Fri 13.12Sat 14.12Sun 15.12
---1---1---1---
Weekly flights: 3 totalDaily flights: 0.43 averageMost flights: Tuesday 1 flights
AirlineMon 16.12Tue 17.12Wed 18.12Thu 19.12Fri 20.12Sat 21.12Sun 22.12
---1---1---1---
Weekly flights: 3 totalDaily flights: 0.43 averageMost flights: Tuesday 1 flights
AirlineMon 23.12Tue 24.12Wed 25.12Thu 26.12Fri 27.12Sat 28.12Sun 29.12
---1---1---1---
Weekly flights: 3 totalDaily flights: 0.43 averageMost flights: Tuesday 1 flights

Check-in for a flight from San Salvador to Ontario

NameCarrier codeIATA CodePassport needed during booking
United AirlinesUALUAYes
AviancaAVAAVNo
Frontier AirlinesFFTF9No
Spirit AirlinesNKSNKNo
Alaska AirlinesASAASNo

Weather in Ontario

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January18°C7°C
February18°C7°C
March20°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
13 Dec
17°C9°C
20 Dec
22°C12°C
Saturday
14 Dec
18°C9°C
21 Dec
22°C12°C
Sunday
15 Dec
20°C7°C
22 Dec
22°C13°C
Monday
16 Dec
23°C9°C
23 Dec
21°C12°C
Tuesday
17 Dec
21°C10°C
24 Dec
17°C10°C
Wednesday
18 Dec
21°C12°C
25 Dec
19°C9°C
Thursday
19 Dec
22°C12°C
26 Dec
21°C11°C
The distance between San Salvador and Ontario is 3681 km. The most popular airlines for this route are United Airlines, Avianca, Frontier Airlines, Spirit Airlines, and Alaska Airlines. San Salvador and Ontario have 94 direct flights per week.

Frequently asked questions

How long does it take to travel from San Salvador to Ontario?
What is the flight distance between San Salvador and Ontario?
What airlines offer nonstop (direct) flights between San Salvador and Ontario?
What are the most popular routes to and from San Salvador?
What are the most popular routes to and from Ontario?
What airports are near San Salvador?
What airports are near Ontario?
Which airlines fly between San Salvador and Ontario?
When's the best time to travel between San Salvador and Ontario?
What flights operate between San Salvador and Ontario?
How many airports are there near San Salvador?
How many airports are there near Ontario?
What time do nonstop (direct) flights between San Salvador and Ontario depart?
What time do nonstop (direct) flights between San Salvador and Ontario arrive?
What time do flights between San Salvador and Ontario depart?
What time do flights between San Salvador and Ontario arrive?

Explore alternative trips

Flights from San Salvador

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 San Salvador

Here is a list of countries people are flying to
Find the best connection from San Salvador to Ontario
Search flights

Get more out of Kiwi.com with our mobile application

Download boarding passes

One-click booking

Get exclusive offers and prices

Mobile trip notifications

We hack the system,
you fly for less