Cheap flights from Billings to San Diego from $91
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Billings to San Diego departing on 6/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Billings to San Diego
Cheap round-trip flights
Cheap one-way flights
Alaska Airlines flights from Billings to San Diego
Our best Alaska Airlines deals on Billings to San Diego flight tickets
Delta flights from Billings to San Diego
Our best Delta deals on Billings to San Diego flight tickets
See travel insights to San Diego from
How to get the cheapest flight ticket from Billings to San Diego
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 month to fly to San Diego?
If you are unable to visit San Diego during the month of January, then departing from Billings during the month October is also very affordable. Most momondo users find prices during this month for around $335.
What is the cheapest day to depart on your flight to San Diego?
The cheapest day to depart from Billings to San Diego is on a Friday. Travelers who choose to depart for San Diego on a Friday will often find tickets for as low as $387. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around $497. These prices are subject to change though, so be sure to set up a Price Alert for flights to San Diego.
What is the cheapest time of day to depart on your flight to San Diego?
The cheapest time of day to fly to San Diego is at noon when flights can be purchased for as low as $335. Flights in the morning are often more expensive with an average ticket price of $429.
How far in advance should I book a flight to San Diego?
You are more likely to see cheaper flights to San Diego from Billings when booking 21 weeks ahead of your departure date. In general, you can expect to find flights to San Diego for around $400 when searching 21 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Diego from Billings for as low as $325 on momondo.
What is the cheapest airline that flies from Billings Logan Intl to San Diego?
Hawaiian Airlines, United Airlines, and Delta are the most popular carriers operating from Billings Logan Intl to San Diego
What airlines fly to San Diego?
Delta, United Airlines and Alaska Airlines are the top three most popular airlines that fly to San Diego from Billings according to our data. Delta is the first choice among our users, with 40% of people opting to fly with this airline when traveling to San Diego. Keep in mind that there are 4 different airlines that fly to San Diego on a routine basis, so you have a few additional options to choose from.
When to book flights from Billings to San Diego
Cheap Billings to San Diego (BIL to SAN) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Billings to San Diego
How far is Billings Logan Intl to San Diego by plane?
The distance between Billings Logan Intl and San Diego is about 1012.6 mi. Typically, this will take 4h 14m by plane in normal conditions.
When did momondo last update prices for flights from Billings Logan Intl Airport to San Diego Airport?
Prices for flights from Billings Logan Intl Airport to San Diego Airport are updated daily.
How many operators does momondo search for flights from Billings Logan Intl Airport to San Diego Airport?
The number of operators available for flights from Billings Logan Intl Airport to San Diego Airport is 4 as of June 2025.
How old do you have to be to fly from Billings Logan Intl Airport to San Diego Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Billings Logan Intl Airport to San Diego Airport.
What documentation or ID do you need to fly to San Diego Airport?
The required travel and health documents for your San Diego Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Diego Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Billings to San Diego?
Based on momondo bookings for flights between Billings and San Diego, the leading airline is Delta, making up 46% of the total bookings. Other popular airlines include United Airlines with 19%, Alaska Airlines with 18%, and American Airlines with 17%.
Best airlines flying from Billings to San Diego
Compare and see reviews for airlines that fly from Billings to San Diego with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $220 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $254 | Free Cancellation | Rating 8.0 7,946 reviews | |||
| PriceFrom $258 | Free Cancellation | Rating 8.0 10,000 reviews | |||
| PriceFrom $274 | Free Cancellation | Rating 7.4 8,790 reviews |
Traveling to a place near San Diego?
Book flights to San Diego if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Billings to San Diego?
It is quick and easy to find Billings to San Diego flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to San Diego that suits you.
Can I find flights from Billings to San Diego with flexible booking policies on momondo?
Yes. All flights to San Diego from Billings on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from Billings to San Diego?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to San Diego from Billings.
I’m not ready to book a flight from Billings to San Diego right now. Can momondo alert me if prices change?
Price alerts on flights to San Diego from Billings are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.