Cheap flights from Billings to San Diego (BIL - SAN)

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The best prices from Billings to San Diego are usually found in August or July, booked 22 days in advance, depart on a Tuesday or Thursday and return on a Wednesday

How to find the cheapest flight from
Billings (BIL) to San Diego (SAN)

All the information you need to plan the best BIL to SAN flight in 2021: compare Billings to San Diego flight prices with the expected peak season, weather and rainfall in San Diego.
BIL - SAN
Price
$97 - $468
SAN
Temperature
66.2 - 80.6 °F
SAN
Rainfall
0 - 2.8 inches

Popular in

December

High demand for flights, 39% potential price rise

Cheapest in

August

Best time to find cheap flights, 66% potential price drop

Average price

$289

Average for round-trip flights in May 2021

Round-trip from

$97

From Billings to San Diego

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly round-trip from Billings to San Diego?

It’s generally more expensive to depart on a Monday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.

How far in advance should I book a flight from Billings to San Diego?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 17 days in advance, which can save you up to 27% on flights from Billings to San Diego compared to booking the week you need them. Waiting 17 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $73. For sooner than that we have options available in the next 3 days from $98.

What is the cheapest month to fly from Billings to San Diego?

July is one of the best times of the year to fly to San Diego from Billings. Prices for July average $80 per person but you can even find prices for as low as $44. The most expensive prices can be found in the month of December. Opting for a July flight can save you 33% on your journey compared to booking in July

When is the cheapest time to fly from Billings to San Diego (BIL - SAN)?

It’s optimal to fly from Billings to San Diego in the evening. By choosing this option you can save up to 30% on the cost of your flight, compared to a flight at noon.

Cheap flights from Billings to San Diego in May, June 2021

The best prices found for BIL to SAN flights for May, June
17 Jun - 20 Jun
$91pp
BIL
Billings Logan Intl
Allegiant Air
Non-Stop
SAN
San Diego
SAN
San Diego
Allegiant Air
Non-Stop
BIL
Billings Logan Intl
24 Jun - 27 Jun
$93pp
BIL
Billings Logan Intl
Allegiant Air
Non-Stop
SAN
San Diego
SAN
San Diego
Allegiant Air
Non-Stop
BIL
Billings Logan Intl
24 Jun - 27 Jun
$95pp
BIL
Billings Logan Intl
Allegiant Air
Non-Stop
SAN
San Diego
SAN
San Diego
Allegiant Air
Non-Stop
BIL
Billings Logan Intl

Billings to San Diego 2021 flight deals

Cheap flights to San Diego from Billings found for this year
1 Jul - 4 Jul
$78pp
BIL
Billings Logan Intl
Allegiant Air
Non-Stop
SAN
San Diego
SAN
San Diego
Allegiant Air
Non-Stop
BIL
Billings Logan Intl
17 Jun - 20 Jun
$91pp
BIL
Billings Logan Intl
Allegiant Air
Non-Stop
SAN
San Diego
SAN
San Diego
Allegiant Air
Non-Stop
BIL
Billings Logan Intl
24 Jun - 27 Jun
$93pp
BIL
Billings Logan Intl
Allegiant Air
Non-Stop
SAN
San Diego
SAN
San Diego
Allegiant Air
Non-Stop
BIL
Billings Logan Intl

Non-stop flights to San Diego from Billings

Save time with Billings to San Diego direct flight deals
1 Jul - 4 Jul
$78pp
BIL
Billings Logan Intl
Allegiant Air
Non-Stop
SAN
San Diego
SAN
San Diego
Allegiant Air
Non-Stop
BIL
Billings Logan Intl
17 Jun - 20 Jun
$91pp
BIL
Billings Logan Intl
Allegiant Air
Non-Stop
SAN
San Diego
SAN
San Diego
Allegiant Air
Non-Stop
BIL
Billings Logan Intl
24 Jun - 27 Jun
$93pp
BIL
Billings Logan Intl
Allegiant Air
Non-Stop
SAN
San Diego
SAN
San Diego
Allegiant Air
Non-Stop
BIL
Billings Logan Intl

One-way flights to San Diego from Billings

The cheapest one-way flights from Billings to San Diego
8:13 am - 6:03 pm
Delta
2 Stops
10h 50m
BIL - SAN
Delta
$126
Delta
6:42 am - 4:00 am
Allegiant Air
1 Stop
22h 18m
BIL - SAN
Allegiant Air
$142
Gotogate
5:05 pm - 9:08 am
Frontier
1 Stop
17h 03m
BIL - SAN
Frontier
$158
JustFly

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Billings</span> to <span class="emphasized">San Diego</span> flights.

Flight FAQs

From Billings to San Diego

Are flight prices decreasing from Billings to San Diego due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Billings and San Diego for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

What safety measures are being taken by airlines flying from Billings Logan Intl to San Diego to control the spread of COVID-19?

Airlines globally have implemented additional safety measures to accommodate you. Alaska Airlines and Delta are some airlines that have done so. Some of the new policies that have been implemented to accommodate travelers flying from Billings Logan Intl to San Diego are improved sanitation, HEPA filters, mask requirements, social distance seating (for a limited time), and pre-flight testing for antibodies and symptoms. Policies will vary by airline.

Which airlines flying from Billings Logan Intl to San Diego have flexible cancellations due to COVID-19?

Due to the rapidly changing circumstances due to COVID-19, airlines like Delta, United Airlines, and Frontier flying from Billings Logan Intl to San Diego have implemented new flexible cancellation policies.

Can I find flights from Billings to San Diego for under $100 on Cheapflights?

Yes, there are multiple flights from Billings to San Diego for under $100. The cheapest flight booked recently is on Allegiant Air for just $78, but on average you can expect to pay $158.

Are there nonstop flights from Billings to San Diego for under $100 on Cheapflights?

Cheapflights has at least 6 direct flights from Billings to San Diego under $100. A good price for a nonstop flight from Billings to San Diego is less than $92.

Does it rain more in Billings or San Diego?

Expected rainfall in Billings is less than in San Diego. You can expect this to be the case over the next 17 days.

Is Billings weather warmer or cooler than San Diego?

Expect the weather to be around 90 °F on average in July. As the temperature peaks, try to get your plans done early, as flight price and availability will have an impact on your travels. The climate in San Diego is generally colder than in Billings.

How long is the flight from Billings to San Diego?

Airlines like Allegiant Air and Frontier fly from Billings to San Diego in about 2h 31m. The time it takes to get you to your destination can typically vary by up to 3h 05m. Both multi-stop and nonstop flights can be found to your destination and back.

What is the cheapest airline to fly from Billings to San Diego round-trip?

Currently priced at $78, Allegiant Air will fly you from Billings to San Diego and back. In addition to Allegiant Air, many other airlines offer competitively priced options for your trip. Allegiant Air is 72% cheaper than the average price of flights available within the next 90 days to this destination.

What are the cheapest airlines to fly from Billings to San Diego one-way?

One-way options have recently been found by users for as low as $58 on Allegiant Air. Other airlines that offer cheap prices include Alaska Airlines from $96 and Frontier from $110 one-way.

Alternative routes for Billings to San Diego

See prices for flight routes from nearby airports that may be better suited for you.

Destination information for San Diego

Things to know before you go - useful duration and weather info for your trip from Billings to San Diego.
Flight duration
2h 28m
Average temperature for May in San Diego
71.6 °F
Avg rainfall for May in San Diego
0.2 ″

Airports servicing Billings

Airports servicing San Diego

Top 4 airlines flying from Billings to San Diego

The chart below displays the airlines Cheapflights users traveling from Billings to San Diego choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
Frontier
$123 $264 No cancel fee 62%
Alaska Airlines
$133 $302 No cancel fee 75%
United Airlines
$138 $331 No cancel fee 69%
Delta
$193 $373 No cancel fee N/A
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