HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
West Yellowstone

$373+ Cheap flights from San Diego to West Yellowstone (SAN - WYS)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/16. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — WYS
Aug 22 — Aug 291
Fri 8/22
Fri 8/29
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from San Diego to West Yellowstone with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from San Diego to West Yellowstone

Discover tips and strategies to find the most affordable flight options for your journey from San Diego (SAN) to West Yellowstone (WYS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 17, 2025.

Round-trip from

$373
(Delta)
From San Diego to West Yellowstone
Search Deals

Find flight deals from San Diego to West Yellowstone

Cheapest flights from San Diego to West Yellowstone
Explore the most affordable flight options available from San Diego to West Yellowstone. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 17, 2025.

This Delta deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/159:44 amSAN - WYS
1 stop4h 06mDelta
Fri 8/223:25 pmWYS - SAN
2 stops8h 29mDelta
Deal found 8/15$434
This United Airlines deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/16:53 amSAN - WYS
1 stop5h 27mUnited Airlines
Wed 10/81:55 pmWYS - SAN
1 stop7h 30mUnited Airlines
Deal found 8/17$485
This United Airlines deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/304:04 pmSAN - WYS
1 stop20h 11mUnited Airlines
Wed 9/31:51 pmWYS - SAN
1 stop7h 34mUnited Airlines
Deal found 8/15$671
This United Airlines deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/277:00 amSAN - WYS
1 stop5h 15mUnited Airlines
Mon 9/11:51 pmWYS - SAN
1 stop20h 18mUnited Airlines
Deal found 8/17$975
This United Airlines deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2811:17 amSAN - WYS
1 stop21h 17mUnited Airlines
Mon 9/11:51 pmWYS - SAN
1 stop24h 06mUnited Airlines
Deal found 8/16$1,152

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Diego to West Yellowstone that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 17, 2025.
Use the filters below to find and compare flights from San Diego to West Yellowstone that are best for you.

Fly from

San Diego

Fly to

West Yellowstone

Route

Depart

Return

Price

San DiegoWest Yellowstone

SAN - WYS

SANWYS

San Diego

Wed 10/1

6:53 am-1:20 pm

1 stop5h 27m

West Yellowstone

Wed 10/8

1:55 pm-8:25 pm

1 stop7h 30m

$485

San DiegoWest Yellowstone

SAN - WYS

SANWYS

San Diego

Sat 8/30

4:04 pm-1:15 pm

1 stop20h 11m

West Yellowstone

Wed 9/3

1:51 pm-8:25 pm

1 stop7h 34m

$671

San DiegoWest Yellowstone

SAN - WYS

SANWYS

San Diego

Wed 8/27

7:00 am-1:15 pm

1 stop5h 15m

West Yellowstone

Mon 9/1

1:51 pm-9:09 am

1 stop20h 18m

$975

San DiegoWest Yellowstone

SAN - WYS

SANWYS

San Diego

Thu 8/28

11:17 am-9:34 am

1 stop21h 17m

West Yellowstone

Mon 9/1

1:51 pm-12:57 pm

1 stop24h 06m

$1,152

San DiegoWest Yellowstone

SAN - WYS

SANWYS

San Diego

Wed 8/27

6:20 am-2:50 pm

2 stops7h 30m

West Yellowstone

Mon 9/1

3:25 pm-10:54 pm

2 stops8h 29m

$1,951

San DiegoWest Yellowstone

SAN - WYS

SANWYS

San Diego

Thu 8/28

9:44 am-2:50 pm

1 stop4h 06m

West Yellowstone

Mon 9/1

3:25 pm-10:51 pm

2 stops8h 26m

$2,978

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/17

Best time to book a flight from San Diego to West Yellowstone

Have a flexible travel schedule? Discover the best time to fly to West Yellowstone from San Diego with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Reviews of airlines servicing West Yellowstone

Get insights into the airlines that provide service to West Yellowstone. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to West Yellowstone. Reviews last updated August 17, 2025.
Read through reviews of airlines operating flights from San Diego to West Yellowstone, such as Delta and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,986 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
Delta
8.0
Very good
7,986 reviews
Delta
8.0
Very good
7,986 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
United Airlines
7.4
Good
8,919 reviews
Delta
8.0
Very good
7,986 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

Related info for your journey

Find useful and relevant information for your journey from San Diego to West Yellowstone. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from San Diego to West Yellowstone round-trip?

    Currently priced at $233, Delta will fly you from San Diego to West Yellowstone and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on United Airlines for as low as $338.

  • Can I find deals for flights from San Diego to West Yellowstone that include hotel bookings?

    Yes. In addition to deals on San Diego to West Yellowstone flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Diego to West Yellowstone?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Diego to West Yellowstone.

  • Can I find deals for business class flights from San Diego to West Yellowstone?

    Yes. Cheapflights offers flight deals from San Diego to West Yellowstone by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near West Yellowstone?

Book flights to West Yellowstone if you plan to visit one of these locations
Island Park

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for San Diego to West Yellowstone

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Kalispell flights
Los Angeles to Bozeman flights
San Francisco to Kalispell flights
San Francisco to Bozeman flights
Ontario to Kalispell flights
Los Angeles to Helena flights
Ontario to Bozeman flights
Santa Ana to Kalispell flights
Los Angeles to Great Falls flights
Santa Ana to Great Falls flights
Ontario to Helena flights
San Diego to Bozeman flights
Burbank to Helena flights
Santa Ana to Helena flights
Burbank to Kalispell flights
San Diego to Kalispell flights
San Francisco to Missoula flights
Los Angeles to Missoula flights
Sacramento to Bozeman flights
San Jose to Kalispell flights
Long Beach to Kalispell flights
San Diego to Missoula flights
Santa Ana to Missoula flights
Santa Ana to Bozeman flights
Long Beach to Helena flights
Ontario to Missoula flights
San Jose to Bozeman flights
Burbank to Great Falls flights
Sacramento to Kalispell flights
Oakland to Kalispell flights
San Francisco to Billings flights
Sacramento to Missoula flights
Las Vegas to Bozeman flights
Reno to Billings flights
Fresno to Kalispell flights
Los Angeles to Billings flights
San Jose to Billings flights
Los Angeles to West Yellowstone flights
Santa Ana to Billings flights
Burbank to Bozeman flights
San Jose to Missoula flights
Santa Barbara to Kalispell flights
San Francisco to West Yellowstone flights
Oakland to Billings flights
Sacramento to Billings flights
Las Vegas to Missoula flights
Oakland to Bozeman flights
Oakland to Missoula flights
Palm Springs to Kalispell flights
Long Beach to Bozeman flights

Top 2 airlines flying from San Diego to West Yellowstone

Discover the top 2 airlines that operate flights from San Diego to West Yellowstone. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$233Average$393FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$338Average$579FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.