What are the cheapest airlines to fly from O'ahu to St. Louis one-way?

$202 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on Delta and United Airlines, with prices starting from $225 and $247, respectively.

In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.

If weather is an important factor for your trip to St. Louis, 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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

What are the most popular airlines that fly from O'ahu to St. Louis?

The most popular airlines flying from O'ahu to St. Louis are United Airlines, American Airlines and Delta. Something to consider prior to booking your flight.

What is the cheapest time of day to fly from FUW to STL?

When flying from O'ahu to St. Louis, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

What airport do you fly into for flights to St. Louis from O'ahu?

Lambert-St Louis (STL) is the airport you will fly into if you book a flight from O'ahu to St. Louis. It is only a 12.7 mi journey from Lambert-St Louis (STL) to St. Louis’s city center.

Can I find deals for flights from O'ahu to St. Louis that include hotel bookings?

Yes. In addition to deals on O'ahu to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from O'ahu to St. Louis?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from O'ahu to St. Louis.

Can I find deals for business class flights from O'ahu to St. Louis?

Yes. Cheapflights offers flight deals from O'ahu to St. Louis 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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Find flight deals from O'ahu to St. Louis

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Popular in	March
Cheapest in	January
Average price	$564

Provider with most accurate pricing for Honolulu-Lambert-St Louis flight deals.

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Provider most trusted by Cheapflights users for Honolulu-Lambert-St Louis flights.

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Highest demand for flights based on searches. 15% potential increase in price ($134 potential increase over avg. RT price).

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Cheapest flight prices on average. 7% potential price decrease ($52 potential savings vs. average RT price).

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Average for round-trip flights in October 2026

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Everything you need to know about your flight from O'ahu to St. Louis

What is the cheapest month to book a flight from O'ahu to St. Louis?

Currently, January is the cheapest month in which you can book a flight from O'ahu to St. Louis (average of $544). Flying from O'ahu to St. Louis in March is currently the most expensive (average of $1,288). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing St. Louis

Read through reviews of airlines operating flights from O'ahu to St. Louis, such as Southwest,Delta, andUnited Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Southwest

8.0

Very good

4,213 reviews

Reviews

1 / 20

4.0

Okay

Steven,Sep 2026

OGG - HNL

It was a red eye overnight which I prefer. But this time the seat was SOOOO uncomfortable that sleeping was difficult and painful

Southwest

8.0

Very good

4,213 reviews

Southwest

8.0

Very good

4,213 reviews

Reviews

1 / 20

4.0

Okay

Steven,Sep 2026

OGG - HNL

It was a red eye overnight which I prefer. But this time the seat was SOOOO uncomfortable that sleeping was difficult and painful

Delta

7.8

Good

8,631 reviews

Southwest

8.0

Very good

4,213 reviews

Reviews

1 / 20

4.0

Okay

Steven,Sep 2026

OGG - HNL

It was a red eye overnight which I prefer. But this time the seat was SOOOO uncomfortable that sleeping was difficult and painful

United Airlines

7.4

Good

10,280 reviews

Southwest

8.0

Very good

4,213 reviews

Reviews

1 / 20

4.0

Okay

Steven,Sep 2026

OGG - HNL

It was a red eye overnight which I prefer. But this time the seat was SOOOO uncomfortable that sleeping was difficult and painful

American Airlines

7.0

Good

12,128 reviews

Southwest

8.0

Very good

4,213 reviews

Reviews

1 / 20

4.0

Okay

Steven,Sep 2026

OGG - HNL

It was a red eye overnight which I prefer. But this time the seat was SOOOO uncomfortable that sleeping was difficult and painful

Related info for your journey

What airport do you fly into for flights to St. Louis from O'ahu?
Lambert-St Louis (STL) is the airport you will fly into if you book a flight from O'ahu to St. Louis. It is only a 12.7 mi journey from Lambert-St Louis (STL) to St. Louis’s city center.
What are the cheapest airlines to fly from O'ahu to St. Louis one-way?
$202 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on Delta and United Airlines, with prices starting from $225 and $247, respectively.
Can I find deals for flights from O'ahu to St. Louis that include hotel bookings?
Yes. In addition to deals on O'ahu to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from O'ahu to St. Louis?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from O'ahu to St. Louis.
Can I find deals for business class flights from O'ahu to St. Louis?
Yes. Cheapflights offers flight deals from O'ahu to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from O'ahu to St. Louis?
Currently, January is the cheapest month in which you can book a flight from O'ahu to St. Louis (average of $544). Flying from O'ahu to St. Louis in March is currently the most expensive (average of $1,288). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Top 4 airlines flying from O'ahu to St. Louis

Airline	Cheapest	Average	Flexibility	On-time
Southwest	Cheapest$295	Average$724	FlexibilityNo cancel fee	On-time63%
United Airlines	Cheapest$365	Average$682	FlexibilityNo cancel fee	On-time69%
Delta	Cheapest$404	Average$622	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$470	Average$687	FlexibilityNo cancel fee	On-time71%

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Find cheap flights from O'ahu to St. Louis with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Find flight deals from O'ahu to St. Louis

Most accurate provider

Most trusted provider

Popular in

Cheapest in

Average price

Cheapflights Insights

What is the cheapest month to book a flight from O'ahu to St. Louis?

Reviews of airlines servicing St. Louis

Read through reviews of airlines operating flights from O'ahu to St. Louis, such as Southwest,Delta, andUnited Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

What airport do you fly into for flights to St. Louis from O'ahu?

What are the cheapest airlines to fly from O'ahu to St. Louis one-way?

Can I find deals for flights from O'ahu to St. Louis that include hotel bookings?

How can I find direct flights from O'ahu to St. Louis?

Can I find deals for business class flights from O'ahu to St. Louis?

What is the cheapest month to book a flight from O'ahu to St. Louis?

Traveling to a place near St. Louis?

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 O'ahu to St. Louis

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

Complete your trip

Complete your trip to St. Louis by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from O'ahu to St. Louis by cabin class

Find flights from O'ahu to St. Louis, based on your preferred cabin class, be it economy, premium economy, business, or first class.

O'ahu and St. Louis flights

Browse other O'ahu and St. Louis flight options. Last updated on October 4, 2026.

Popular flight searches

Check out other popular destinations found by fellow travelers in 2026

Other flights to St. Louis

Explore flights to St. Louis departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 4, 2026.

Top 4 airlines flying from O'ahu to St. Louis

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Cheap flights from O'ahu to St. Louis (STL)

Find cheap flights from O'ahu to St. Louis with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Find flight deals from O'ahu to St. Louis

Most accurate provider

Most trusted provider

Popular in

Cheapest in

Average price

Cheapflights Insights

What is the cheapest month to book a flight from O'ahu to St. Louis?

Reviews of airlines servicing St. Louis

Read through reviews of airlines operating flights from O'ahu to St. Louis, such as Southwest,Delta, andUnited Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

What airport do you fly into for flights to St. Louis from O'ahu?

What are the cheapest airlines to fly from O'ahu to St. Louis one-way?

Can I find deals for flights from O'ahu to St. Louis that include hotel bookings?

How can I find direct flights from O'ahu to St. Louis?

Can I find deals for business class flights from O'ahu to St. Louis?

What is the cheapest month to book a flight from O'ahu to St. Louis?

Traveling to a place near St. Louis?

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 O'ahu to St. Louis

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

Complete your trip

Complete your trip to St. Louis by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from O'ahu to St. Louis by cabin class

Find flights from O'ahu to St. Louis, based on your preferred cabin class, be it economy, premium economy, business, or first class.

O'ahu and St. Louis flights

Browse other O'ahu and St. Louis flight options. Last updated on October 4, 2026.

Popular flight searches

Check out other popular destinations found by fellow travelers in 2026

Other flights to St. Louis

Explore flights to St. Louis departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 4, 2026.

Top 4 airlines flying from O'ahu to St. Louis

100% Free

Book with Flexibility

Travel Smart