Cheap flights from Idaho to San Antonio from $96
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Idaho to San Antonio departing on 7/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from Idaho to San Antonio
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 Antonio?
If you aren’t able to travel during the month of September, then book flights to San Antonio from Idaho during August instead. Flights to San Antonio in August, while not as cheap as those in September, still average around $292.
What is the cheapest day to depart on your flight to San Antonio?
The cheapest day to depart on your flight to San Antonio is on a Wednesday when prices can be found for as low as $329. This is often the case because there is less demand to fly during this day of the week. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to San Antonio on Monday is $445.
What is the cheapest time of day to depart on your flight to San Antonio?
According to our data, the cheapest time of day to fly to San Antonio is in the evening. momondo users have found flights departing from Idaho to San Antonio in the evening for as low as $272. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to San Antonio are more costly at noon, with an average ticket price of $443. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.
How far in advance should I book a flight to San Antonio?
You are more likely to see cheaper flights to San Antonio from Idaho when booking weeks ahead of your departure date. In general, you can expect to find flights to San Antonio for around $377 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Antonio from Idaho for as low as $314 on momondo.
What is the cheapest airline that flies from Idaho to San Antonio?
Frontier, American Airlines, and Southwest are the most popular carriers operating from Idaho to San Antonio
What airlines fly to San Antonio?
Delta, United Airlines and Southwest are the top three most popular airlines that fly to San Antonio from Idaho according to our data. Delta is the first choice among our users, with 36% of people opting to fly with this airline when traveling to San Antonio. Keep in mind that there are 6 different airlines that fly to San Antonio on a routine basis, so you have a few additional options to choose from.
Cheap Idaho to San Antonio flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Idaho to San Antonio
When did momondo last update prices for flights from Idaho to San Antonio Airport?
Prices for flights from Idaho to San Antonio Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Idaho to San Antonio Airport?
As of June 2025, there are 6 operators available to choose from for flights from Idaho to San Antonio Airport.
How old do you have to be to fly from Idaho to San Antonio 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 Idaho to San Antonio Airport.
What documentation or ID do you need to fly to San Antonio Airport?
The travel and health documents required for your trip to San Antonio 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 San Antonio Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
Best airlines flying from Idaho to San Antonio
Compare and see reviews for airlines that fly from Idaho to San Antonio with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $130 | Free Cancellation | Rating 6.3 8,065 reviews | |||
| PriceFrom $230 | Free Cancellation | Rating 8.0 7,964 reviews | |||
| PriceFrom $268 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $272 | Free Cancellation | Rating 8.0 4,280 reviews | |||
| PriceFrom $282 | Free Cancellation | Rating 7.4 8,810 reviews | |||
| PriceFrom $354 | Free Cancellation | Rating 8.0 10,000 reviews |
Traveling to a place near San Antonio?
Book flights to San Antonio if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Idaho to San Antonio?
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 San Antonio from Idaho.
Can I find flights from Idaho to San Antonio with flexible booking policies on momondo?
Flights from Idaho to San Antonio with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
How can momondo help me find flights from Idaho to San Antonio?
Once you have performed a search for Idaho to San Antonio flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from Idaho to San Antonio right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of Idaho to San Antonio flights. All you need is a valid email address and we will do the rest; it is that quick and easy.