BIL - SAN

$165 Find Cheap Flights from Billings to San Diego - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$373
Typical prices: $351-$513
Alaska Airlines
Tue 2/20Tue 2/27
BIL - SAN • 1 stop
Cheapest one-way
$165
Typical prices: $180-$305
Multiple Airlines
Fri 11/30
BIL - SAN • 1 stop
Nonstop flights
There are currently no direct flights between Billings and San Diego. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
Cheapest • 25% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $326 (round-trip)
Shortest trip • 4h 39m (one-way)
Insights
Insights
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Cheap Flights from Billings to San Diego (BIL-SAN)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Billings to San Diego

Sat, Feb 20 - Sat, Feb 27
Alaska Airlines Logo
6:00 am - 10:56 pmBIL  Billings Logan Intl-SAN San Diego
17h 56m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
9:00 am - 12:08 amSAN  San Diego-BIL Billings Logan Intl
14h 08m1 stop Seattle/Tacoma Intl
$373Alaska Airlines
Thu, Feb 4 - Mon, Feb 8
Alaska Airlines Logo
7:00 am - 2:51 pmBIL  Billings Logan Intl-SAN San Diego
8h 51m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
3:49 pm - 11:51 pmSAN  San Diego-BIL Billings Logan Intl
7h 02m1 stop Seattle/Tacoma Intl
$375Alaska Airlines
Thu, Jan 28 - Mon, Feb 1
Alaska Airlines Logo
7:00 am - 7:41 pmBIL  Billings Logan Intl-SAN San Diego
13h 41m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
11:04 am - 11:29 amSAN  San Diego-BIL Billings Logan Intl
23h 25m1 stop Seattle/Tacoma Intl
$378Alaska Airlines
Mon, Jan 4 - Mon, Jan 11
Delta Logo
5:45 am - 9:06 amBIL  Billings Logan Intl-SAN San Diego
4h 21m1 stop Salt Lake City
Delta Logo
9:45 am - 5:49 pmSAN  San Diego-BIL Billings Logan Intl
7h 04m1 stop Salt Lake City
$391Delta
Mon, Jan 4 - Mon, Jan 11
United Airlines Logo
4:15 pm - 10:32 pmBIL  Billings Logan Intl-SAN San Diego
7h 17m1 stop Denver Intl
United Airlines Logo
7:00 am - 1:23 pmSAN  San Diego-BIL Billings Logan Intl
5h 23m1 stop Denver Intl
$391United Airlines
Thu, Oct 22 - Tue, Oct 27
United Airlines Logo
5:57 pm - 10:27 pmBIL  Billings Logan Intl-SAN San Diego
5h 30m1 stop Denver Intl
United Airlines Logo
2:30 pm - 10:30 pmSAN  San Diego-BIL Billings Logan Intl
7h 00m2 stops Los Angeles Denver Intl
$405United Airlines
Fri, Nov 20 - Wed, Nov 25
Delta Logo
5:35 am - 8:48 amBIL  Billings Logan Intl-SAN San Diego
4h 13m1 stop Salt Lake City
Delta Logo
5:13 pm - 10:20 pmSAN  San Diego-BIL Billings Logan Intl
4h 07m1 stop Salt Lake City
$411Delta
Fri, Nov 20 - Wed, Nov 25
Delta Logo
5:35 am - 8:48 amBIL  Billings Logan Intl-SAN San Diego
4h 13m1 stop Salt Lake City
Delta Logo
6:15 am - 12:18 pmSAN  San Diego-BIL Billings Logan Intl
5h 03m1 stop Salt Lake City
$411Delta
Wed, Dec 30 - Sun, Jan 3
Multiple Airlines Logo
2:57 pm - 11:01 amBIL  Billings Logan Intl-SAN San Diego
21h 04m1 stop Las Vegas Harry Reid Intl
Multiple Airlines Logo
6:22 pm - 11:10 amSAN  San Diego-BIL Billings Logan Intl
15h 48m1 stop Las Vegas Harry Reid Intl
$557Multiple Airlines
Sat, Dec 19 - Sun, Dec 27
Multiple Airlines Logo
4:36 pm - 11:01 amBIL  Billings Logan Intl-SAN San Diego
19h 25m1 stop Las Vegas Harry Reid Intl
Multiple Airlines Logo
6:22 pm - 11:10 amSAN  San Diego-BIL Billings Logan Intl
15h 48m1 stop Las Vegas Harry Reid Intl
$578Multiple Airlines
Booking Insights

Price, demand and travel trends for Billings to San Diego flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Billings to San Diego with more confidence.

How much is a round-trip flight from Billings to San Diego?

Round-trip flights from Billings to San Diego start at $373. Prices are typical for this route right now, with typical round-trip fares ranging from $351 to $513. The lowest price found in the past 5 days was $373 on Alaska Airlines.

What's the cheapest day of the week to fly from Billings to San Diego?

Saturday is the cheapest day of the week to fly from Billings to San Diego, it is 11% cheaper than the average day. Sunday is the most expensive day with flight prices 36% higher than average. Based on deals found by KAYAK users in the last 12 months.

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

•January is the cheapest month to fly from Billings to San Diego at $310 round-trip.
•June ($567) and December ($543) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 82% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

Key details for Billings to San Diego flights

Low season

May

Cheapest flight

$165
Best time to beat the crowds with an average 5% drop in price.
Most popular time to fly and prices are also 6% lower on average.
Flight from Billings to San Diego

When to book flights from Billings to San Diego

Are your dates flexible? Find out the best times to travel from Billings to San Diego based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Billings to San Diego flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Which public transportation mode is suitable for traveling from Billings to BIL?

    If you’d like to travel from Billings to BIL via public transport, you can board a bus or a taxi. The means you settle on will be determined by how quickly you’d like to get to the airport and how much you’re willing to part with as fare. If you’re in a rush, it’s in your best interest to board a taxi, while if you’re on a budget, it’s advisable that you board a bus.

  • Where can I get information at BIL?

    In case you’ve got a query you’d like answered at BIL, you should head to the airport’s information center. Manned by well-informed and professional staff, this center is situated in the Baggage Claim area near the exit stairs.

  • Does SAN have an on-site hotel?

    If you’d like to stay at a hotel within SAN’s grounds, you’ll have to settle for one of the hotels near the airport, as SAN has no on-site hotels. Some of the notable hotels near this airport include TownPlace Suites San Diego Airport, Sheraton San Diego Hotel & Marina, and Hampton Inn & Suites San Diego Airport Liberty Station.

  • Where is SAN’s USO lounge?

    SAN’s USO Lounge is situated in Terminal 2 East, near the Gate Parking Lot. Reserved for serving military members and their families, this lounge boasts comfortable seating, snacks, drinks, and several entertainment sources.

  • Which airports can I use when flying from Billings to San Diego?

    Flights from Billings to San Diego usually depart from Billings Logan Intl (BIL) and arrive at San Diego (SAN).

  • What cabin classes can I book on flights from Billings to San Diego?

    Two cabin classes are available on flights from Billings to San Diego:

    • Economy Class
    • Business Class

  • Which airports do connecting flights from Billings to San Diego pass through?

    One-stop flights from Billings to San Diego most commonly connect through:

    • Salt Lake City (SLC) - 46% of one-stop connections
    • Denver Intl (DEN) - 36% of one-stop connections
    • Portland (PDX) - 5% of one-stop connections
    • Phoenix Sky Harbor Intl (PHX) - 5% of one-stop connections

    Salt Lake City (SLC) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from Billings to San Diego?

    On the Billings to San Diego route, being flexible with your departure day can save you up to 35%. Saturday is the cheapest day at $373 round-trip on average, while Sunday is the most expensive at $567: a $194 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

  • What popular places can I visit in San Diego?

    Some of the most popular sights in San Diego are Gaslamp Quarter, San Diego Convention Center and SeaWorld San Diego. These are among the most viewed places in San Diego on KAYAK.

  • How long is a flight from Billings to San Diego?

    A nonstop flight from Billings to San Diego takes 0h 00m, covering 1,013 miles.

  • Do I need a passport to fly from Billings to San Diego?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

  • Have flight prices from Billings to San Diego changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $373 to $956. That means the highest observed fare was about 3x higher than the lowest one.

  • How are flight prices from Billings to San Diego looking right now?

    One-way fares from Billings to San Diego are currently lower than usual. Average one-way flight prices are about $214, which is 11% below the typical average for this route.

  • How much time can I save by choosing a different layover airport from Billings to San Diego?

    Flying via Salt Lake City (SLC) gives the shortest average 1-stop total travel time at 4h 39m, compared with 5h 27m via Portland (PDX) and 5h 45m via Phoenix Sky Harbor Intl (PHX).

  • What is the time difference between Billings and San Diego?

    San Diego is 1 hour behind Billings (Pacific Time vs Mountain Time). Plan for the time shift when scheduling connections or first-day activities.

  • What car rental options are available at San Diego Airport (SAN)?

    San Diego Airport (SAN) hosts 5 major car rental companies, with daily rates starting from around $14 for economy cars. Top options include:
    • Dollar
    • Payless
    • Europcar
    • Thrifty
    • Fox

  • How much should I expect to pay for a Billings to San Diego flight?

    Round-trip flights from Billings to San Diego range from $351 to $513, with an average of $416 over the past 12 months. Anything below $351 counts as a good deal.

Your guide to booking Billings to San Diego flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Saturday departure instead of Sunday. On this route, Saturday flights average $373 - about $194 less than Sunday (34% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Billings to San Diego trip for January. Fares historically average $310 round-trip in that month - typically $257 less than the most expensive month, which is June (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to San Diego Airport.
    - Courtyard by Marriott San Diego Downtown Little Italy
    - Bay Club Hotel & Marina
    - Wyndham San Diego Bayside
  • In Billings, you’ll board your flight to San Diego at Billings Logan International Airport (BIL). Situated two miles northwest of downtown Billings, this air transit station is a hub for Silver Airways, Cape Air & Nantucket Airlines, and Corporate Air. In San Diego, you’ll alight from your flight at San Diego International Airport (SAN). This international airport, located three miles northwest of San Diego, serves as a hub for Southwest Airlines, Alaska Airlines, West Air, and Pacific Southwest Airlines.
  • On the date you’re set to fly from BIL to SAN, arrive at BIL at least 1h 30min before your flight’s departure time. Arriving at the airport this early will ensure you go through the airport’s security gates in time for your flight. Additionally, it will ensure you have time to check out the points of interest at the airport.
  • If you’re traveling from BIL to SAN with your pet, you can let your pet take a leak in one of the airport’s pet relief areas. Currently, BIL is home to two pet relief areas. Both are situated outside of the airport’s main terminal.
  • In case you need emergency assistance at SAN, you should visit one of the Traveler’s Aid offices available at the airport. Traveler’s Aid is an organization that offers emergency services to stranded passengers. At SAN, it has offices in the Baggage Claim areas of Terminals 1 and 2.
  • If you’d like to rent a car once you land at SAN, you’ll have to head to the airport’s off-site car rental facility. Accessible from the airport’s terminals via shuttles, this center has counters for agencies such as Enterprise, Hertz, National, Alamo, and Avis.

More options for your flight from Billings to San Diego

Complete your trip to San Diego with a hotel stay or car rental