Title: CA $171 Cheap United fights from Chicago to San Diego - Expedia.ca

  

![](https://images.trvl-media.com/place/3073/476a7863-1b66-47b5-9758-1dc7b3787493.jpg?impolicy=fcrop&w=1200&h=500&q=medium)

![](https://images.trvl-media.com/place/3073/476a7863-1b66-47b5-9758-1dc7b3787493.jpg?impolicy=fcrop&w=1200&h=500&q=medium)

# CA $171 Cheap United fights from Chicago (CHI) to San Diego (SAN)

[View CA $171 flight on Mon, Nov 24, 2025](https://expedia.ca/Flights-Search?trip=oneway&leg1=from:ORD,to:SAN,departure:24/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:170.90&airProductToken=AQozCjEI1YIBEgQyNjgzGK4cIJJoKLP6_QIww_z9AjhHQABYAWoFMl9lY29yCEdBQTdBWkRTEgoIARABGAEqAlVBGAEiBAgBEAEoAigDKAQwCw)

-   [Roundtrip](?flightType=roundtrip)
-   [One-way](?flightType=oneway)
-   [Multi-city](?flightType=multicity)

### Travellers

Adults

ChildrenAges 2 to 17

InfantsYounger than 2

EconomyPremium economyBusiness classFirst class

Leaving from

Going to

Departing

Returning

Add a place to stay

Add a car

Direct flights only

![notification illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__notification.svg)

### 

Be in the know

Get alerts if flight prices drop or rise\*

![deals illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg)

### 

Book smarter

Save up to 30% on select hotels after you book a flight\*

![trophy illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg)

### 

Earn twice

Earn your airline miles on top of our rewards

[Sign in](https://www.expedia.ca/login)

## United flights from Chicago to San Diego (CHI→SAN)

Prices were available within the past 7 days and start at CA $171 for one-way flights and CA $281 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

All deals

One way

Roundtrip

![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif)

Mon, Nov 24 - Tue, Dec 2

ORD

Chicago

SAN

San Diego

CA $281

Roundtrip

found 5 days ago

[](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:ORD,to:SAN,departure:24/11/2025TANYT&leg2=from:SAN,to:ORD,departure:02/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:280.59&airProductToken=AQozCjEI1YIBEgQyNjgzGK4cIJJoKLP6_QIww_z9AjhHQABYAWoFMl9lY29yCEdBQTdBWkRTEgoIARABGAEqAlVBGAEiBAgBEAEoAigDKAQwCw)

![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif)

Thu, Dec 4 - Sun, Dec 21

ORD

Chicago

SAN

San Diego

CA $312

Roundtrip

found 3 days ago

[](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:ORD,to:SAN,departure:04/12/2025TANYT&leg2=from:SAN,to:ORD,departure:21/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:311.80&airProductToken=AQoiCiAI1YIBEgQyMjc1GK4cIJJoKPbn_gIwhOr-AjhHQABYAQoiCiAI1YIBEgQyNjI0GJJoIK4cKKavgAMwnrGAAzhHQABYARIKCAEQARgBKgJVQRgBIgQIARABKAQwAQ)

Flight from Chicago to San Diego (ORD - SAN) route information

| Origin airport | O'Hare Intl. |
| --- | --- |
| Destination airport | San Diego Intl. |
| Airlines serving | Alaska Airlines, American Airlines, Delta, JetBlue Airways |
| Popular airline | American Airlines |
| Distance | 2752 km |

## Explore a world of travel with Expedia

\*Available to Expedia members.