$344+ 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 9/12. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — WYS
Sep 28 — Oct 51
Round-trip
1 adult, Economy
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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
Cheapest
Best
Last-minute
One-way
Cheapest flights from San Diego to West YellowstoneExplore 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 29, 2026.
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 29, 2026.
This Delta deal was found by Cheapflights users on 8/28. 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.
Sat 9/126:15 am -
1 stop5h 13m
Wed 9/1611:29 am -
2 stops12h 04m
Deal found 8/28![Delta logo]()
$344
This United Airlines deal was found by Cheapflights users on 8/25. 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 8/298:45 am -
1 stop6h 21m
Mon 8/311:55 pm -
1 stop7h 39m
Deal found 8/25![United Airlines logo]()
$443
This United Airlines deal was found by Cheapflights users on 8/25. 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 10/17:00 am -
1 stop5h 30m
Mon 10/52:05 pm -
1 stop7h 34m
Deal found 8/25![United Airlines logo]()
$522
This United Airlines deal was found by Cheapflights users on 8/24. 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.
Tue 9/158:45 am -
1 stop27h 35m
Sat 9/195:45 pm -
1 stop16h 20m
Deal found 8/24![United Airlines logo]()
$559
This United Airlines deal was found by Cheapflights users on 8/28. 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 9/166:30 am -
1 stop5h 50m
Sun 9/206:00 pm -
1 stop5h 28m
Deal found 8/28![United Airlines logo]()
$613
This United Airlines deal was found by Cheapflights users on 8/26. 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.
Fri 9/118:45 am -
1 stop7h 36m
Wed 9/161:55 pm -
2 stops31h 07m
Deal found 8/26![United Airlines logo]()
$727
Best flights from San Diego to West YellowstoneDiscover carefully curated flight deals from San Diego to West Yellowstone that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 29, 2026.
Discover carefully curated flight deals from San Diego to West Yellowstone that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 29, 2026.
This Delta deal was found by Cheapflights users on 8/28. 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.
Sat 9/126:15 am -
1 stop5h 13m
Wed 9/1611:29 am -
2 stops12h 04m
Deal found 8/28![Delta logo]()
$344
This United Airlines deal was found by Cheapflights users on 8/24. 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.
Tue 9/158:45 am -
1 stop27h 35m
Sat 9/195:45 pm -
1 stop16h 20m
Deal found 8/24![United Airlines logo]()
$559
This United Airlines deal was found by Cheapflights users on 8/28. 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 9/166:30 am -
1 stop5h 50m
Sun 9/206:00 pm -
1 stop5h 28m
Deal found 8/28![United Airlines logo]()
$613
This United Airlines deal was found by Cheapflights users on 8/25. 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 10/13:56 pm -
2 stops20h 34m
Mon 10/52:05 pm -
2 stops24h 12m
Deal found 8/25![United Airlines logo]()
$685
This United Airlines deal was found by Cheapflights users on 8/26. 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.
Fri 9/118:45 am -
1 stop7h 36m
Wed 9/161:55 pm -
1 stop25h 55m
Deal found 8/26![United Airlines logo]()
$820
This United Airlines deal was found by Cheapflights users on 8/28. 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 9/126:30 am -
1 stop5h 50m
Wed 9/161:55 pm -
3 stops24h 49m
Deal found 8/28![United Airlines logo]()
$908
Last-minute flights from San Diego to West YellowstoneDiscover last-minute flight deals from San Diego to West Yellowstone. Data last updated August 29, 2026 and is based on user searches.
Discover last-minute flight deals from San Diego to West Yellowstone. Data last updated August 29, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 8/25. 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 8/298:45 am -
1 stop6h 21m
Mon 8/311:55 pm -
1 stop7h 39m
Deal found 8/25![United Airlines logo]()
$443
This United Airlines deal was found by Cheapflights users on 8/26. 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.
Fri 9/118:45 am -
1 stop7h 36m
Wed 9/161:55 pm -
2 stops31h 07m
Deal found 8/26![United Airlines logo]()
$727
This Delta deal was found by Cheapflights users on 8/28. 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.
Sat 9/126:15 am -
1 stop5h 13m
Wed 9/1611:29 am -
2 stops12h 04m
Deal found 8/28![Delta logo]()
$344
This United Airlines deal was found by Cheapflights users on 8/24. 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.
Tue 9/158:45 am -
1 stop27h 35m
Sat 9/195:45 pm -
1 stop16h 20m
Deal found 8/24![United Airlines logo]()
$559
This United Airlines deal was found by Cheapflights users on 8/28. 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 9/166:30 am -
1 stop5h 50m
Sun 9/206:00 pm -
1 stop5h 28m
Deal found 8/28![United Airlines logo]()
$613
One-way flights from San Diego to West YellowstoneSearch for one-way flight options from San Diego to West Yellowstone. Find affordable one-way fares based on user searches. Data last updated August 29, 2026.
Search for one-way flight options from San Diego to West Yellowstone. Find affordable one-way fares based on user searches. Data last updated August 29, 2026.
This United Airlines deal was found by Cheapflights users on 8/27. 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 9/56:30 am -
1 stop5h 51m
Deal found 8/27![United Airlines logo]()
$460
Find 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 29, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $344 (Delta) |
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 7,457,451 searches. Data last updated August 29, 2026.
Use the filters below to find and compare flights from San Diego to West Yellowstone that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San DiegoWest Yellowstone
SAN San Diego - WYS West Yellowstone
SANWYS
San Diego
Sat 9/12
6:15 am-12:28 pm
1 stop5h 13m
West Yellowstone
Wed 9/16
11:29 am-10:33 pm
2 stops12h 04m
$344
San DiegoWest Yellowstone
SAN San Diego - WYS West Yellowstone
SANWYS
San Diego
Tue 9/15
8:45 am-1:20 pm
1 stop27h 35m
West Yellowstone
Sat 9/19
5:45 pm-9:05 am
1 stop16h 20m
$559
Quickest round-trip
San DiegoWest Yellowstone
SAN San Diego - WYS West Yellowstone
SANWYS
San Diego
Wed 9/16
6:30 am-1:20 pm
1 stop5h 50m
West Yellowstone
Sun 9/20
6:00 pm-10:28 pm
1 stop5h 28m
$613
San DiegoWest Yellowstone
SAN San Diego - WYS West Yellowstone
SANWYS
San Diego
Thu 10/1
3:56 pm-1:30 pm
2 stops20h 34m
West Yellowstone
Mon 10/5
2:05 pm-1:17 pm
2 stops24h 12m
$685
San DiegoWest Yellowstone
SAN San Diego - WYS West Yellowstone
SANWYS
San Diego
Fri 9/11
8:45 am-5:21 pm
1 stop7h 36m
West Yellowstone
Wed 9/16
1:55 pm-2:50 pm
1 stop25h 55m
$820
San DiegoWest Yellowstone
SAN San Diego - WYS West Yellowstone
SANWYS
San Diego
Sat 9/12
6:30 am-1:20 pm
1 stop5h 50m
West Yellowstone
Wed 9/16
1:55 pm-1:44 pm
3 stops24h 49m
$908
Cheapest one-way
Quickest one-way
San DiegoWest Yellowstone
SAN San Diego - WYS West Yellowstone
SANWYS
San Diego
Sat 9/5
6:30 am-1:21 pm
1 stop5h 51m
$460
Sorted by cheapest first
Compare providers for flights from San Diego to West Yellowstone
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Diego to West Yellowstone in August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on San Diego-West Yellowstone flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Diego-West Yellowstone flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Diego-West Yellowstone flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on San Diego-West Yellowstone flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Diego-West Yellowstone flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
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.
SAN-WYS
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 29, 2026.
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.
Crew
8.5
Overall
7.8
Entertainment
7.8
Food
7.2
Boarding
8.1
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentMichael,Sep 2023
SMF - ATL
Crew
8.5
Overall
7.8
Entertainment
7.8
Food
7.2
Boarding
8.1
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentMichael,Sep 2023
SMF - ATL
Crew
8.5
Overall
7.8
Entertainment
7.8
Food
7.2
Boarding
8.1
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentMichael,Sep 2023
SMF - ATL
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.
Traveling to a place near West Yellowstone?
Book flights to West Yellowstone if you plan to visit one of these locationsIsland Park
Gardiner
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San Diego and West Yellowstone flights
Browse other San Diego and West Yellowstone flight options. Last updated on August 29, 2026.
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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 7,457,451 searches. Data last updated August 29, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$293 | Average$399 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$293 | Average$426 | FlexibilityNo cancel fee | On-timeN/A |