Cheap Flights from Great Falls (GTF) to San Diego (SAN)

View AU$234 flight on Wed, 10 Sep. 2025Opens in a new window

Popular airlines from Great Falls, MT (GTF-Great Falls Intl.) to San Diego Intl. Airport (SAN)

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Cheap Flights from Great Falls (GTF) to San Diego (SAN)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Find the cheapest month to fly from Great Falls (GTF) to San Diego (SAN)

February is typically the cheapest month to fly

From AU$321 - AU$1,042 per traveller.

Graph displaying average flight prices per month

Flight from Great Falls to San Diego route information
Origin airport
Great Falls Intl.
Destination airport
San Diego Intl.
Distance
1702 km

Your quick guide to flights from Great Falls to San Diego

Pick up great flights from Great Falls to San Diego

With Expedia, you have your pick of flights a day with 7 airlines covering flights from Great Falls to San Diego. Whether you’re on a business trip, a family holiday or a luxury break, just enter your travel dates, hit search then check out your choice of flights. Select from return, one way or multi-city flights, and use the advance search tool if you want a direct or refundable flight. You can narrow your search to show you just your preferred cabin class and airline, too. It’s all easy. You can book direct flights from Great Falls to San Diego that take around hours.

Find cheap flights from Great Falls to San Diego

From the great flight deals with prices currently ranging from to , you can choose to see the cheapest flights first. Generally, you can book the cheapest flights from Great Falls to San Diego around 4 to 6 weeks in advance. If your travel dates are flexible, try to avoid weekends and peak seasons – when you are more likely to grab the lowest prices. Even last minute, there are some impressive deals. The cheapest time to fly to San Diego is normally in .

Reasons to book your flight from Great Falls to San Diego with Expedia

Expedia makes it easy to find, book, and travel, with everything you need all in one place. When you enter your travel details, find fantastic deals just for you on flight tickets from Great Falls to San Diego across all the main airline carriers, so you can save time, dollars, and hassle finding the perfect flight. If you think your plans could change, choose refundable flights so any changes won’t cost you more. Book your flight to San Diego right now and, if you join Expedia Rewards, you earn points this time and every time you travel with Expedia.

Frequently asked questions

How much is a flight from GTF to San Diego Intl. Airport (SAN)?
Based on fares quoted within the last 7 days on Expedia for flights departing within the next year, round-trip flights between Great Falls Intl. Airport and San Diego Intl. Airport (SAN) start from . Book ASAP to get the best price for your big adventure. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Great Falls Intl. Airport (GTF) to SAN?
We understand that your situation can change unexpectedly, so we've made it as hassle-free as possible for you to cancel your trip online. Just visit the Customer Service Portal and follow the instructions.
How do I find cheap flights from GTF to San Diego Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Great Falls Intl. Airport to San Diego Intl. Airport (SAN) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Great Falls Intl. Airport to SAN?
It's around 1 700 kilometres between Great Falls Intl. Airport and San Diego Airport, so you'll be in your seat for a while. Keep yourself occupied with things like a magazine or the latest bestseller.
Which airlines fly direct from Great Falls Intl. Airport (GTF) to SAN?
If you want to fly straight from GTF to San Diego Intl. Airport (SAN), you'll have to book a flight with one or more stops. Unfortunately, there aren't any airlines that fly directly between these airports.
Are Great Falls Intl. Airport to San Diego Airport flight tickets cheaper when they're purchased at the last minute?
Flight prices change all the time, so it's no sure thing. While last-minute flight deals between GTF and San Diego Intl. Airport (SAN) are possible, it's also a good idea to keep track of prices well before you fly. In fact, some air carriers release their prices up to 12 months before the departure date. Expedia is continuously updating the biggest bargains around, so check back often and be ready to pounce when the price dips.

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