Lowest Priced Flights to Saint Louis on Alaska Airlines starting at $99*

DPA Name: DPA QA Test - Details / example to Los Angeles/LAX

$

Seattle (SEA)to

Los Angeles (LAX)
Depart: Apr 18, 2026
From
$79
Seen: 1 hour ago
One-way
Economy

Portland (PDX)to

Los Angeles (LAX)
Depart: Apr 22, 2026
From
$89
Seen: 1 hour ago
One-way
Economy

San Francisco (SFO)to

Los Angeles (LAX)
Depart: Apr 1, 2026
From
$50
Seen: 1 hour ago
One-way
Economy

Honolulu (HNL)to

Los Angeles (LAX)
Depart: Apr 16, 2026
From
$119
Seen: 1 hour ago
One-way
Economy

Newark (EWR)to

Los Angeles (LAX)
Depart: Apr 22, 2026
From
$119
Seen: 1 hour ago
One-way
Economy

Anchorage (ANC)to

Los Angeles (LAX)
Depart: Apr 20, 2026
From
$148
Seen: 1 hour ago
One-way
Economy

Washington, D.C. (DCA)to

Los Angeles (LAX)
Depart: Apr 28, 2026
From
$139
Seen: 1 hour ago
One-way
Economy

Santa Rosa (STS)to

Los Angeles (LAX)
Depart: Mar 30, 2026
From
$79
Seen: 1 hour ago
One-way
Economy

Spokane (GEG)to

Los Angeles (LAX)
Depart: Apr 21, 2026
From
$89
Seen: 1 hour ago
One-way
Economy

Everett (PAE)to

Los Angeles (LAX)
Depart: May 6, 2026
From
$79
Seen: 1 hour ago
One-way
Economy

Fly one-way to Saint Louis for less.*

$

Seattle (SEA)to

Saint Louis (STL)
Depart: Apr 7, 2026
From
$109
Seen: 1 hour ago
One-way
Economy

Portland (PDX)to

Saint Louis (STL)
Depart: Apr 7, 2026
From
$129
Seen: 1 hour ago
One-way
Economy

Anchorage (ANC)to

Saint Louis (STL)
Depart: Apr 7, 2026
From
$179
Seen: 1 hour ago
One-way
Economy

Fairbanks (FAI)to

Saint Louis (STL)
Depart: Apr 6, 2026
From
$559
Seen: 10 hours ago
One-way
Economy

Honolulu (HNL)to

Saint Louis (STL)
Depart: Mar 30, 2026
From
$679
Seen: 12 hours ago
One-way
Economy

San Francisco (SFO)to

Saint Louis (STL)
Depart: Mar 20, 2026
From
$388
Seen: 4 hours ago
One-way
Economy

Puerto Vallarta (PVR)to

Saint Louis (STL)
Depart: Mar 14, 2026
From
$320
Seen: 1 hour ago
One-way
Economy

Bellingham (BLI)to

Saint Louis (STL)
Depart: Apr 4, 2026
From
$184
Seen: 1 hour ago
One-way
Economy

Indianapolis (IND)to

Saint Louis (STL)
Depart: Mar 10, 2026
From
$343
Seen: 1 hour ago
One-way
Economy

*Prices have been available for one-way trips within the last 48 hours and may not be currently available. Fares listed may be Saver fares which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for optional products and services may apply. Other terms and conditions may apply.

Top offers for Saint Louis one-way flights.*

$
Top offers for Saint Louis one-way flights.*
From
To
Fare Type
Dates
Price
Seattle (SEA)Saint Louis (STL)One-way
|
Economy
Depart: Apr 25, 2026

From

$109

Seen: 1 hour ago

Portland (PDX)Saint Louis (STL)One-way
|
Economy
Depart: May 19, 2026

From

$99

Seen: 1 hour ago

Anchorage (ANC)Saint Louis (STL)One-way
|
Economy
Depart: Apr 9, 2026

From

$179

Seen: 1 hour ago

Fairbanks (FAI)Saint Louis (STL)One-way
|
Economy
Depart: Aug 21, 2026

From

$248

Seen: 12 hours ago

Spokane (GEG)Saint Louis (STL)One-way
|
Economy
Depart: Jun 10, 2026

From

$193

Seen: 15 hours ago

Honolulu (HNL)Saint Louis (STL)One-way
|
Economy
Depart: May 12, 2026

From

$211

Seen: 9 hours ago

San Francisco (SFO)Saint Louis (STL)One-way
|
Economy
Depart: May 13, 2026

From

$159

Seen: 13 hours ago

Puerto Vallarta (PVR)Saint Louis (STL)One-way
|
Economy
Depart: Apr 15, 2026

From

$315

Seen: 1 hour ago

Bellingham (BLI)Saint Louis (STL)One-way
|
Economy
Depart: May 13, 2026

From

$152

Seen: 1 hour ago

*Prices have been available for one-way trips within the last 48 hours and may not be currently available. Fares listed may be Saver fares which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for optional products and services may apply. Other terms and conditions may apply.

Find low-fare flights to Saint Louis

Plan a trip to Saint Louis

St. Louis, Missouri - the Gateway City - was founded by French settlers and later ruled by Spain. Its position along the Mississippi River made it a perfect point for launching the Lewis and Clark expedition and for shipping goods by steamboat. The importance of St. Louis was celebrated at both the 1904 Olympics and the 1904 Louisiana Purchase Exposition; the St. Louis Art Museum was originally commissioned for the 1904 Exposition. Admission is free and the museum houses an expansive collection of African American art. The Museum of Westward Expansion is worth a visit, too, with its showcase on the early years and people of St. Louis. Then, get outside for a walk through the fantastic Missouri Botanical Garden, designed in 1859. Or, ride a bicycle along the 5-mile bike and walking trail of lush Forest Park.

View airport information for St. Louis (STL)

Top Saint Louis routes with Alaska Airlines

DPA Name: DPA QA Test - Details / example to Los Angeles/LAX

$
keyboard_arrow_down

Seattle (SEA)to

Los Angeles (LAX)
Depart: Apr 18, 2026
From
$79
Seen: 1 hour ago
One-way
Economy

Portland (PDX)to

Los Angeles (LAX)
Depart: Apr 22, 2026
From
$89
Seen: 1 hour ago
One-way
Economy

San Francisco (SFO)to

Los Angeles (LAX)
Depart: Apr 1, 2026
From
$50
Seen: 1 hour ago
One-way
Economy

Honolulu (HNL)to

Los Angeles (LAX)
Depart: Apr 16, 2026
From
$119
Seen: 1 hour ago
One-way
Economy

Newark (EWR)to

Los Angeles (LAX)
Depart: Apr 22, 2026
From
$119
Seen: 1 hour ago
One-way
Economy

Anchorage (ANC)to

Los Angeles (LAX)
Depart: Apr 20, 2026
From
$148
Seen: 1 hour ago
One-way
Economy

Washington, D.C. (DCA)to

Los Angeles (LAX)
Depart: Apr 28, 2026
From
$139
Seen: 1 hour ago
One-way
Economy

Santa Rosa (STS)to

Los Angeles (LAX)
Depart: Mar 30, 2026
From
$79
Seen: 1 hour ago
One-way
Economy

Spokane (GEG)to

Los Angeles (LAX)
Depart: Apr 21, 2026
From
$89
Seen: 1 hour ago
One-way
Economy

Everett (PAE)to

Los Angeles (LAX)
Depart: May 6, 2026
From
$79
Seen: 1 hour ago
One-way
Economy