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

Currently priced at $324, Delta will fly you from San Francisco 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 $471.

What is the cheapest day to fly from San Francisco to West Yellowstone?

Travelers seeking maximum savings on their San Francisco to West Yellowstone flight should consider departing on Saturday mornings when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in West Yellowstone ranges from 1.2 - 2.0 inches per month. January is typically the wettest month, when rainfall can reach 2.0 in. April is typically the driest time to visit West Yellowstone when rainfall is around 1.2 in.

If weather is an important factor for your trip to West Yellowstone, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 60.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 15.8 F).

What is the cheapest day to fly round-trip from San Francisco to West Yellowstone?

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

What is the cheapest time of day to fly from SFO to WYS?

When flying from San Francisco to West Yellowstone, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How can I find direct flights from San Francisco 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 Francisco to West Yellowstone.

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

Yes. Cheapflights offers flight deals from San Francisco 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.

$237+ Flights from San Francisco to West Yellowstone

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Cheap flight deals from San Francisco to West Yellowstone

Round-trip from	$324 (Delta)
One-way from	$237 (United Airlines)

From San Francisco to West Yellowstone

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One-way flight from San Francisco to West Yellowstone

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Find flight deals from San Francisco to West Yellowstone

Cheapest flights from San Francisco to West Yellowstone
Explore the most affordable flight options available from San Francisco to West Yellowstone. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 28, 2025.

Tue 8/1210:00 amSFO - WYS

1 stop3h 50mDelta

Sat 8/163:25 pmWYS - SFO

2 stops9h 18mDelta

Deal found 7/28

$324

Sat 10/114:29 pmSFO - WYS

2 stops19h 51mUnited Airlines

Tue 10/141:55 pmWYS - SFO

2 stops22h 36mUnited Airlines

Deal found 7/27

$471

Mon 9/295:05 amSFO - WYS

1 stop7h 15mMultiple Airlines

Sun 10/51:55 pmWYS - SFO

1 stop11h 21mMultiple Airlines

Deal found 7/26

$477

Best flights from San Francisco to West Yellowstone
Discover carefully curated flight deals from San Francisco to West Yellowstone that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 28, 2025.

Tue 8/1210:00 amSFO - WYS

1 stop3h 50mDelta

Sat 8/163:25 pmWYS - SFO

2 stops9h 18mDelta

Deal found 7/28

$324

Sat 10/114:29 pmSFO - WYS

2 stops19h 51mUnited Airlines

Tue 10/141:55 pmWYS - SFO

2 stops22h 36mUnited Airlines

Deal found 7/27

$471

Mon 9/295:05 amSFO - WYS

1 stop7h 15mMultiple Airlines

Sun 10/51:55 pmWYS - SFO

1 stop11h 21mMultiple Airlines

Deal found 7/26

$477

Last-minute flights from San Francisco to West Yellowstone
Discover last-minute flight deals from San Francisco to West Yellowstone. Data last updated July 28, 2025 and is based on user searches.

Sat 8/25:30 amSFO - WYS

1 stop4h 06mDelta

Tue 8/53:25 pmWYS - SFO

2 stops9h 54mDelta

Deal found 7/27

$494

Sat 8/25:00 amSFO - WYS

1 stop7h 20mUnited Airlines

Tue 8/52:02 pmWYS - SFO

1 stop8h 14mUnited Airlines

Deal found 7/27

$1,235

Tue 8/1210:00 amSFO - WYS

1 stop3h 50mDelta

Sat 8/163:25 pmWYS - SFO

2 stops9h 18mDelta

Deal found 7/28

$324

Sat 8/232:45 pmSFO - WYS

2 stops21h 30mUnited Airlines

Tue 8/261:51 pmWYS - SFO

1 stop8h 12mUnited Airlines

Deal found 7/27

$531

One-way flights from San Francisco to West Yellowstone
Search for one-way flight options from San Francisco to West Yellowstone. Find affordable one-way fares based on user searches. Data last updated July 28, 2025.

Fri 9/198:52 pmSFO - WYS

1 stop11h 45mUnited Airlines

Deal found 7/26

$237

Wed 8/2710:00 amSFO - WYS

1 stop3h 50mDelta

Deal found 7/27

$260

Cheapflights Fare Finder

Use the filters below to find and compare flights from San Francisco to West Yellowstone that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San FranciscoWest Yellowstone

SFO - WYS

SFOWYS

San Francisco

Tue 8/12

10:00 am-2:50 pm

1 stop3h 50m

West Yellowstone

Sat 8/16

3:25 pm-11:43 pm

2 stops9h 18m

$324

San FranciscoWest Yellowstone

SFO - WYS

SFOWYS

San Francisco

Sat 10/11

4:29 pm-1:20 pm

2 stops19h 51m

West Yellowstone

Tue 10/14

1:55 pm-11:31 am

2 stops22h 36m

$471

San FranciscoWest Yellowstone

SFO - WYS

SFOWYS

San Francisco

Mon 9/29

5:05 am-1:20 pm

1 stop7h 15m

West Yellowstone

Sun 10/5

1:55 pm-12:16 am

1 stop11h 21m

$477

San FranciscoWest Yellowstone

SFO - WYS

SFOWYS

San Francisco

Fri 9/19

8:52 pm-9:37 am

1 stop11h 45m

$237

San FranciscoWest Yellowstone

SFO - WYS

SFOWYS

San Francisco

Wed 8/27

10:00 am-2:50 pm

1 stop3h 50m

$260

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/26

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

Have a flexible travel schedule? Discover the best time to fly to West Yellowstone from San Francisco 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

See what other customers who have flown with Delta and United Airlines from San Francisco to West Yellowstone have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,975 reviews

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

7,975 reviews

Delta

8.0

Very good

7,975 reviews

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

8,892 reviews

Delta

8.0

Very good

7,975 reviews

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

What are the cheapest airlines flying from San Francisco to West Yellowstone round-trip?
Currently priced at $324, Delta will fly you from San Francisco 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 $471.
Can I find deals for flights from San Francisco to West Yellowstone that include hotel bookings?
Yes. In addition to deals on San Francisco to West Yellowstone flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from San Francisco 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 Francisco to West Yellowstone.
Can I find deals for business class flights from San Francisco to West Yellowstone?
Yes. Cheapflights offers flight deals from San Francisco 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.

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Top 2 airlines flying from San Francisco to West Yellowstone

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$214	Average$441	FlexibilityNo cancel fee	On-time69%
Delta	Cheapest$263	Average$541	FlexibilityNo cancel fee	On-timeN/A

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$237+ Cheap flights from San Francisco to West Yellowstone (SFO - WYS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/19. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from San Francisco to West Yellowstone with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from San Francisco to West Yellowstone

Round-trip from

One-way from

Find flight deals from San Francisco to West Yellowstone

Cheapest flights from San Francisco to West YellowstoneExplore the most affordable flight options available from San Francisco to West Yellowstone. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 28, 2025.

Explore the most affordable flight options available from San Francisco to West Yellowstone. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 28, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from San Francisco to West Yellowstone that are best for you.

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

Have a flexible travel schedule? Discover the best time to fly to West Yellowstone from San Francisco with our price prediction graph.

Reviews of airlines servicing West Yellowstone

See what other customers who have flown with Delta and United Airlines from San Francisco to West Yellowstone have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from San Francisco 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 Francisco to West Yellowstone round-trip?

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

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

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

Traveling to a place near West Yellowstone?

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 Francisco to West Yellowstone

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

Top 2 airlines flying from San Francisco to West Yellowstone

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Cheapest flights from San Francisco to West Yellowstone
Explore the most affordable flight options available from San Francisco to West Yellowstone. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 28, 2025.