Cheap flights from Missouri to West Yellowstone from $358

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Missouri to West Yellowstone departing on 5/30. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Missouri to West Yellowstone

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
9:06 am - 1:32 pm
STL
-
WYS
5h 26m
1 stop
United Airlines Logo
5:45 pm - 11:57 pm
WYS
-
STL
5h 12m
1 stop
$358United Airlines
Sat, May 30 - Sat, Jun 6
United Airlines Logo
6:00 am - 4:37 pm
STL
-
WYS
11h 37m
2 stops
United Airlines Logo
5:45 pm - 11:57 pm
WYS
-
STL
5h 12m
1 stop
$389United Airlines
Sat, May 30 - Sat, Jun 6
United Airlines Logo
9:10 am - 1:32 pm
MCI
-
WYS
5h 22m
1 stop
United Airlines Logo
2:19 pm - 8:43 pm
WYS
-
MCI
5h 24m
1 stop
$408United Airlines
Sat, May 30 - Mon, Jun 1
United Airlines Logo
9:00 am - 4:07 pm
COU
-
WYS
8h 07m
1 stop
United Airlines Logo
1:55 pm - 8:59 pm
WYS
-
COU
6h 04m
1 stop
$494United Airlines
Sat, Aug 29 - Wed, Sep 2
United Airlines Logo
8:00 am - 4:07 pm
COU
-
WYS
9h 07m
2 stops
United Airlines Logo
1:55 pm - 8:59 pm
WYS
-
COU
6h 04m
1 stop
$503United Airlines
Sat, Aug 29 - Wed, Sep 2
United Airlines Logo
6:00 am - 4:37 pm
MCI
-
WYS
11h 37m
2 stops
United Airlines Logo
2:19 pm - 8:43 pm
WYS
-
MCI
5h 24m
1 stop
$506United Airlines
Sat, May 30 - Mon, Jun 1
United Airlines Logo
8:00 am - 4:07 pm
COU
-
WYS
9h 07m
2 stops
United Airlines Logo
1:55 pm - 10:35 pm
WYS
-
COU
7h 40m
2 stops
$509United Airlines
Sat, Aug 29 - Wed, Sep 2
Delta Logo
8:00 am - 12:28 pm
STL
-
WYS
5h 28m
1 stop
Delta Logo
1:10 pm - 7:03 pm
WYS
-
STL
4h 53m
1 stop
$518Delta
Tue, Jun 9 - Mon, Jun 15
United Airlines Logo
9:00 am - 4:07 pm
COU
-
WYS
8h 07m
1 stop
United Airlines Logo
1:55 pm - 8:59 pm
WYS
-
COU
6h 04m
1 stop
$527United Airlines
Sat, Aug 29 - Wed, Sep 2
Delta Logo
8:00 am - 12:28 pm
STL
-
WYS
5h 28m
1 stop
Delta Logo
1:10 pm - 11:23 pm
WYS
-
STL
9h 13m
2 stops
$623Delta
Wed, Jun 17 - Tue, Jun 23

Delta flights from Missouri to West Yellowstone

Our best Delta deals on Missouri to West Yellowstone flight tickets
Delta
Jun 9
STL8:00 amLambert-St Louis
5h 28m
1 stop
WYS12:28 pmWest Yellowstone
Jun 15
WYS1:10 pmWest Yellowstone
4h 53m
1 stop
STL7:03 pmLambert-St Louis
$518
Delta
Jun 17
STL8:00 amLambert-St Louis
5h 28m
1 stop
WYS12:28 pmWest Yellowstone
Jun 23
WYS1:10 pmWest Yellowstone
9h 13m
2 stops
STL11:23 pmLambert-St Louis
$623
Delta
May 26
MCI6:40 amKansas City
4h 58m
1 stop
WYS10:38 amWest Yellowstone
May 29
WYS1:10 pmWest Yellowstone
9h 06m
2 stops
MCI11:16 pmKansas City
$832

United Airlines flights from Missouri to West Yellowstone

Our best United Airlines deals on Missouri to West Yellowstone flight tickets
United Airlines
May 30
STL9:06 amLambert-St Louis
5h 26m
1 stop
WYS1:32 pmWest Yellowstone
Jun 6
WYS5:45 pmWest Yellowstone
5h 12m
1 stop
STL11:57 pmLambert-St Louis
$358
United Airlines
May 30
STL6:00 amLambert-St Louis
11h 37m
2 stops
WYS4:37 pmWest Yellowstone
Jun 6
WYS5:45 pmWest Yellowstone
5h 12m
1 stop
STL11:57 pmLambert-St Louis
$389
United Airlines
May 30
MCI9:10 amKansas City
5h 22m
1 stop
WYS1:32 pmWest Yellowstone
Jun 1
WYS2:19 pmWest Yellowstone
5h 24m
1 stop
MCI8:43 pmKansas City
$408

momondo Fare Finder

 
Customize your flight search to find flights from Missouri 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, momondo users made 832,500 searches. Data last updated May 14, 2026.
Use the filters below to find and compare flights from Missouri to West Yellowstone that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisWest Yellowstone

STL - WYS

STLWYS

Lambert-St Louis

Sat 5/30

9:06 am-1:32 pm

1 stop5h 26m

West Yellowstone

Sat 6/6

5:45 pm-11:57 pm

1 stop5h 12m

$358

St. LouisWest Yellowstone

STL - WYS

STLWYS

Lambert-St Louis

Sat 5/30

6:00 am-4:37 pm

2 stops11h 37m

West Yellowstone

Sat 6/6

5:45 pm-11:57 pm

1 stop5h 12m

$389

Kansas CityWest Yellowstone

MCI - WYS

MCIWYS

Kansas City

Sat 5/30

9:10 am-1:32 pm

1 stop5h 22m

West Yellowstone

Mon 6/1

2:19 pm-8:43 pm

1 stop5h 24m

$408

ColumbiaWest Yellowstone

COU - WYS

COUWYS

Columbia Regional

Sat 8/29

9:00 am-4:07 pm

1 stop8h 07m

West Yellowstone

Wed 9/2

1:55 pm-8:59 pm

1 stop6h 04m

$494

ColumbiaWest Yellowstone

COU - WYS

COUWYS

Columbia Regional

Sat 8/29

8:00 am-4:07 pm

2 stops9h 07m

West Yellowstone

Wed 9/2

1:55 pm-8:59 pm

1 stop6h 04m

$503

Kansas CityWest Yellowstone

MCI - WYS

MCIWYS

Kansas City

Sat 5/30

6:00 am-4:37 pm

2 stops11h 37m

West Yellowstone

Mon 6/1

2:19 pm-8:43 pm

1 stop5h 24m

$506

ColumbiaWest Yellowstone

COU - WYS

COUWYS

Columbia Regional

Sat 8/29

8:00 am-4:07 pm

2 stops9h 07m

West Yellowstone

Wed 9/2

1:55 pm-10:35 pm

2 stops7h 40m

$509
Quickest round-trip

St. LouisWest Yellowstone

STL - WYS

STLWYS

Lambert-St Louis

Tue 6/9

8:00 am-12:28 pm

1 stop5h 28m

West Yellowstone

Mon 6/15

1:10 pm-7:03 pm

1 stop4h 53m

$518

ColumbiaWest Yellowstone

COU - WYS

COUWYS

Columbia Regional

Sat 8/29

9:00 am-4:07 pm

1 stop8h 07m

West Yellowstone

Wed 9/2

1:55 pm-8:59 pm

1 stop6h 04m

$527

St. LouisWest Yellowstone

STL - WYS

STLWYS

Lambert-St Louis

Wed 6/17

8:00 am-12:28 pm

1 stop5h 28m

West Yellowstone

Tue 6/23

1:10 pm-11:23 pm

2 stops9h 13m

$623

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to West Yellowstone from

How to get the cheapest flight ticket from Missouri to West Yellowstone

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What airlines fly to West Yellowstone?

United Airlines, Delta and American Airlines are the top three most popular airlines that fly to West Yellowstone from Missouri according to our data. United Airlines is the first choice among our users, with 48% of people opting to fly with this airline when traveling to West Yellowstone. Keep in mind that there are 5 different airlines that fly to West Yellowstone on a routine basis, so you have a few additional options to choose from.

Cheap Missouri to West Yellowstone flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Missouri to West Yellowstone

Fastest flight time

5h 22m

Direct flights

None
The fastest flight from Missouri to West Yellowstone takes 5h 22m
There are no direct flights from Missouri to West Yellowstone. There are no popular flight routes from Missouri to West Yellowstone.

Frequently asked questions about flying from Missouri to West Yellowstone

  • When did momondo last update prices for flights from Missouri to West Yellowstone Airport?

    Prices for flights from Missouri to West Yellowstone Airport are updated daily.

  • How old do you have to be to fly from Missouri to West Yellowstone Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Missouri to West Yellowstone Airport.

  • What documentation or ID do you need to fly to West Yellowstone Airport?

    The travel and health documents you'll need for your trip to West Yellowstone Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at West Yellowstone Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Traveling to a place near West Yellowstone?

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

Why use momondo?

Why should I use momondo to find a flight deal from Missouri to West Yellowstone?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Missouri to West Yellowstone. momondo saves you time and could save you money on your trip.

Can I find flights from Missouri to West Yellowstone with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Missouri to West Yellowstone flights to just show those with flexible booking policies.

How can momondo help me find flights from Missouri to West Yellowstone?

momondo helps you find the best flight between Missouri and West Yellowstone by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Missouri to West Yellowstone right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Missouri to West Yellowstone flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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1 adult
Sat 6/13
Sat 6/20

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