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Cheap Flights from Illinois to San Francisco (SFO)
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Adults 18+
Children 2-11
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Average price per month
- Low Season: January
- High Season: June
- Prices for this route are volatile and fluctuate from month to month.
- The cheapest flights are usually bought in January, September and December.
- High season months are April, May and June. However, it's not the rule and you should always search current flight deals.
- For example, the flight from Illinois to San Francisco is currently 37% cheaper than average.
Price increase as travel date approaches
- Flight prices for this route increase by 49% if you book last minute. Hover on the graph above to see for yourself!.
- To grab the lowest price possible, you should buy your flight around 27 days before departure!
- Consider booking at least 15 days before departure to increase your chances of getting a low price.
- Generally, it's safe to book between 90 and 60 days in advance.
Illinois to San Francisco Flight Information
| Flights Depart From | Illinois (ORD) |
| Flights Arriving To | San Francisco (SFO) |
| Distance | 2966.18 km |
| Current Discount | 37 % |
| Average Price | $315.89 |
| Good Deal | $192.81 |
| Cheapest Airlines | United Airlines, Alaska Airlines, Frontier Airlines |
| Popular Airlines | Alaska Airlines, Delta Air Lines, American Airlines, United Airlines, Frontier Airlines |
| Flight Duration | 04 hours 07 minutes |
| Flights Depart From |
| Illinois (ORD) |
| Flights Arrive In |
| San Francisco (SFO) |
| Distance |
| 2966.18 km |
| Flight Duration |
| 04 hours 07 minutes |
| Current Discount |
| 37 % |
| Average Price |
| $315.89 |
| Good Deal |
| $192.81 |
| Cheapest Airlines |
| United Airlines, Alaska Airlines, Frontier Airlines |
| Popular Airlines |
| Alaska Airlines, Delta Air Lines, American Airlines, United Airlines, Frontier Airlines |
Most Reliable Airlines flying to San Francisco
- According to our data, Alaska Airlines, Delta Air Lines and American Airlines have the highest overall rating.
- The following airlines have the highest chance of on time arrivals: Alaska Airlines, Delta Air Lines and American Airlines.
- If customer service is important for you then you should consider flying with Alaska Airlines, Delta Air Lines and American Airlines.
| Airline | Overall Rating | On time arrival | Check-in & Boarding | Cleanliness | Customer Service | Food & Beverage | Entertainment | Legroom | Seat Comfort |
|---|---|---|---|---|---|---|---|---|---|
Alaska Airlines |
4.1 | 4.5 | 4.5 | 4.5 | 4.5 | 3.5 | 3.5 | 4.0 | 4.0 |
Delta Air Lines |
3.8 | 4.5 | 4.0 | 4.0 | 4.0 | 3.5 | 4.0 | 3.5 | 3.5 |
American Airlines |
3.3 | 4.0 | 3.5 | 3.5 | 3.5 | 3.0 | 3.0 | 3.5 | 3.0 |
United Airlines |
3.3 | 4.0 | 3.5 | 3.5 | 3.5 | 3.0 | 3.0 | 3.0 | 3.0 |
Frontier Airlines |
2.8 | 3.5 | 3.5 | 3.5 | 3.0 | 2.0 | 1.5 | 2.5 | 2.5 |
Overall Rating
4.0
On time arrival
4.5
Check-in & Boarding
4.5
Cleanliness
4.5
Customer Service
4.5
Food & Beverage
3.5
Entertainment
3.5
Legroom
4.0
Seat Comfort
4.0
Overall Rating
4.0
On time arrival
4.5
Check-in & Boarding
4.0
Cleanliness
4.0
Customer Service
4.0
Food & Beverage
3.5
Entertainment
4.0
Legroom
3.5
Seat Comfort
3.5
Overall Rating
3.5
On time arrival
4.0
Check-in & Boarding
3.5
Cleanliness
3.5
Customer Service
3.5
Food & Beverage
3.0
Entertainment
3.0
Legroom
3.5
Seat Comfort
3.0
Overall Rating
3.5
On time arrival
4.0
Check-in & Boarding
3.5
Cleanliness
3.5
Customer Service
3.5
Food & Beverage
3.0
Entertainment
3.0
Legroom
3.0
Seat Comfort
3.0
Overall Rating
3.0
On time arrival
3.5
Check-in & Boarding
3.5
Cleanliness
3.5
Customer Service
3.0
Food & Beverage
2.0
Entertainment
1.5
Legroom
2.5
Seat Comfort
2.5
Good to know:
- San Francisco International is the major airport in San Francisco and surrounding area.
Enter your preferred departure airport and travel dates into the search form above to unlock the latest San Francisco flight deals.
Track the flight prices from Illinois to San Francisco by subscribing to Fare Alerts to never miss the best deals possible.
Did you know that you could find even better deals when you use our Mobile App?. How to get the cheapest flight to San Francisco?
Currently there is a 37% discount on flights to San Francisco. This price won't stay too long and you should consider buying now.
Awesome Deals
notifications_active In the past few days the following airlines offered the lowest prices from Illinois to San Francisco: United Airlines, Alaska Airlines and Frontier Airlines..
United AirlinesWed, 28 May ORD SFO
Sat, 31 May SFO ORD Trip duration: 3 days$178.98
United AirlinesWed, 14 May ORD SFO
Wed, 21 May SFO ORD Trip duration: 7 days$179.98
Alaska AirlinesWed, 07 May ORD SFO
Fri, 09 May SFO ORD Trip duration: 2 days$196.6
United AirlinesWed, 23 Jul ORD SFO
Wed, 30 Jul SFO ORD Trip duration: 7 days$196.97
United AirlinesTue, 22 Jul ORD SFO
Wed, 06 Aug SFO ORD Trip duration: 15 days$196.97
United AirlinesTue, 17 Jun ORD SFO
Tue, 24 Jun SFO ORD Trip duration: 7 days$196.98
United AirlinesSat, 02 Aug ORD SFO
Tue, 12 Aug SFO ORD Trip duration: 10 days$196.98
United AirlinesWed, 25 Jun ORD SFO
Tue, 01 Jul SFO ORD Trip duration: 6 days$197
United AirlinesSun, 25 May ORD SFO
Fri, 01 Aug SFO ORD Trip duration: 68 days$197.97
United AirlinesFri, 16 May ORD SFO
Sat, 31 May SFO ORD Trip duration: 15 days$197.99
United AirlinesThu, 29 May ORD SFO
Sun, 01 Jun SFO ORD Trip duration: 3 days$198
United AirlinesTue, 12 Aug ORD SFO
Mon, 18 Aug SFO ORD Trip duration: 6 days$206.97
United AirlinesWed, 16 Jul ORD SFO
Mon, 21 Jul SFO ORD Trip duration: 5 days$206.97
United AirlinesThu, 03 Jul ORD SFO
Tue, 08 Jul SFO ORD Trip duration: 5 days$206.97
United AirlinesTue, 29 Apr ORD SFO
Fri, 02 May SFO ORD Trip duration: 3 days$206.97
Frontier AirlinesMon, 09 Jun ORD SFO
Mon, 16 Jun SFO ORD Trip duration: 7 days$214.98
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Inexpensive Cars in San Francisco
Frequently Asked Questions
- Which airlines offer cheap airfare from Illinois to San Francisco?That may change at any time. But in the past 14 days, the cheapest tickets we've found were with United Airlines, Alaska Airlines and Frontier Airlines.
- Which airlines fly from Illinois to San Francisco most often?Alaska Airlines, Delta Air Lines, American Airlines, United Airlines and Frontier Airlines are the top.
- Which airport will I be flying from in Illinois?When departing from Illinois you'll be flying out of Chicago O'hare International.
- Which airport will I be flying from in San Francisco?When departing from San Francisco you'll be flying out of San Francisco International.
- How is Justfly.com so good at finding cheap flights?We've taken an oath of secrecy and vowed never to say. Just kidding. Our team and technology allows us to browse through hundreds of airlines and hundreds of thousands of flights to find the lowest prices. Then we pass the savings on to you.
- Can Justfly.com help me save money in any other way?We're glad you asked. We help you save money with our Fare Alerts, Price Trend charts and multi-ticket bookings. We also help you save on hotels and car rentals.
- How many airlines does Justfly.com search to find affordable flights?We typically search over 400 airlines.
- Can Justfly.com's Price Trend tool really tell me the best time to buy tickets?Absolutely! That's why we've made it accessible to you.
- Will the price of my flight change?Flight prices and availability change often. To counter this, we update the important data as often as possible every step of the way.
- How will I receive my booking confirmation and travel information?We'll send you an email with the important details!
- Can you cancel or change Justfly.com flights?You sure can. But give us a call first. We'll do our best to find a solution. However, in some cases, if we cancel your booking, we'll have to charge an administrative fee of $75 (domestic), $125 (trans-border between Canada and USA) and $200 (international).
- Are Justfly.com's tickets refundable?All bookings are currently non-refundable.
- How do I contact Justfly.com?To find answers to all of your questions, click here to visit our support page.