What is the cheapest airline to fly from St. Louis to St. John's, Saint John round-trip?

American Airlines, at $690, was found to be the cheapest airline from St. Louis to St. John's, Saint John.. American Airlines is priced at 4% lower than the current average price of a flight leaving 3 months from now.

What is the cheapest day to fly from St. Louis to St. John's, Saint John?

Travelers seeking maximum savings on their St. Louis to St. John's, Saint John flight should consider departing on Saturday mornings when fares are most often at their lowest. Wednesday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

What is the cheapest day to fly round-trip from St. Louis to St. John's, Saint John?

Users have found that flying from St. Louis to St. John's, Saint John on a Tuesday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

What is the cheapest month to fly from St. Louis to St. John's, Saint John?

Flights from St. Louis to St. John's, Saint John lean towards being more expensive in April. Prices are generally better when you fly from St. Louis to St. John's, Saint John in August, with the cheapest ticket starting at $480.

Most accurate provider : When it comes to deals on St. Louis-St. John's, Saint John flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on St. Louis-St. John's, Saint John flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from St. Louis-St. John's, Saint John flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on St. Louis-St. John's, Saint John flights, Cheapflights users trust AranGrant the most. AranGrant 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 St. Louis-St. John's, Saint John flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

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

How can I find direct flights from St. Louis to St. John's?

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

Can I find deals for business class flights from St. Louis to St. John's?

Yes. Cheapflights offers flight deals from St. Louis to St. John's by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$665+ Flights from St. Louis to St. John's

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from St. Louis to St. John's 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 St. Louis to St. John's

Most accurate provider	AranGrant 3 stars
Most trusted provider	AranGrant 3 stars
Round-trip from	$690 (American Airlines)
Popular in	April
Cheapest in	August
Average price	$835

Provider with most accurate pricing for Lambert-St Louis-St. John's V.C. Bird Intl flight deals.

Search Deals

Provider most trusted by Cheapflights users for Lambert-St Louis-St. John's V.C. Bird Intl flights.

Search Deals

From Lambert-St Louis to St. John's V.C. Bird Intl

Search Deals

Highest demand for flights based on searches. 4% potential increase in price ($36 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease ($10 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 2025

Search Deals

Find flight deals from St. Louis to St. John's

Cheapest flights from St. Louis to St. John's
Explore the most affordable flight options available from St. Louis to St. John's. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 17, 2025.

Sat 10/187:00 pmSTL - ANU

2 stops17h 20mAmerican Airlines

Fri 10/242:25 pmANU - STL

2 stops20h 33mAmerican Airlines

Deal found 4/17

$665

Fri 7/43:20 pmSTL - ANU

2 stops20h 39mMultiple Airlines

Mon 7/710:35 amANU - STL

3 stops13h 10mMultiple Airlines

Deal found 4/17

$2,248

Best flights from St. Louis to St. John's
Discover carefully curated flight deals from St. Louis to St. John's that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 17, 2025.

Sat 9/136:22 pmSTL - ANU

2 stops19h 18mAmerican Airlines

Sat 9/204:00 pmANU - STL

2 stops17h 04mAmerican Airlines

Deal found 4/17

$690

Fri 7/43:20 pmSTL - ANU

2 stops20h 39mMultiple Airlines

Mon 7/710:35 amANU - STL

3 stops13h 10mMultiple Airlines

Deal found 4/17

$2,248

Last-minute flights from St. Louis to St. John's
Discover last-minute flight deals from St. Louis to St. John's. Data last updated April 17, 2025 and is based on user searches.

Mon 5/124:52 pmSTL - ANU

2 stops20h 14mAmerican Airlines

Fri 5/163:08 pmANU - STL

2 stops18h 10mAmerican Airlines

Deal found 4/17

$755

Mon 5/127:30 amSTL - ANU

2 stops27h 00mMultiple Airlines

Fri 5/1612:55 pmANU - STL

3 stops48h 41mMultiple Airlines

Deal found 4/17

$3,946

Cheapflights Fare Finder

Use the filters below to find and compare flights from St. Louis to St. John's that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisSt. John's

STL - ANU

STLANU

Lambert-St Louis

Sat 9/13

6:22 pm-2:40 pm

2 stops19h 18m

St. John's V.C. Bird Intl

Sat 9/20

4:00 pm-8:04 am

2 stops17h 04m

$690

St. LouisSt. John's

STL - ANU

STLANU

Lambert-St Louis

Fri 7/4

3:20 pm-12:59 pm

2 stops20h 39m

St. John's V.C. Bird Intl

Mon 7/7

10:35 am-10:45 pm

3 stops13h 10m

$2,248

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/17

Compare providers for flights from St. Louis to St. John's

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to St. John's in April.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*2 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
AranGrant	Price Accuracy3 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on St. Louis-St. John's, Saint John flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on St. Louis-St. John's, Saint John flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from St. Louis-St. John's, Saint John flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on St. Louis-St. John's, Saint John flights, Cheapflights users trust AranGrant the most. AranGrant 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 St. Louis-St. John's, Saint John 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 St. Louis to St. John's

Have a flexible travel schedule? Discover the best time to fly to St. John's from St. Louis 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.

Cheapflights Insights

Everything you need to know about your flight from St. Louis to St. John's

What is the cheapest month to book a flight from St. Louis to St. John's, Saint John?

Currently, August is the cheapest month in which you can book a flight from St. Louis to St. John's, Saint John (average of $500). Flying from St. Louis to St. John's, Saint John in June is currently the most expensive (average of $651). 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.

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from St. Louis to St. John's, Saint John as you normally would.

Reviews of airlines servicing St. John's

American Airlines

7.2

Good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Apr 2025

MYR - CLT

This flight was impacted by a nearly 4, yes 4 hour delay. They replaced a 777 with another one and it had to be cleaned and catered before we could depart. Great crew did it without complaint.

American Airlines

7.2

Good

10,000 reviews

American Airlines

7.2

Good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Apr 2025

MYR - CLT

This flight was impacted by a nearly 4, yes 4 hour delay. They replaced a 777 with another one and it had to be cleaned and catered before we could depart. Great crew did it without complaint.

Related info for your journey

What is the cheapest airline to fly from St. Louis to St. John's, Saint John round-trip?
American Airlines, at $690, was found to be the cheapest airline from St. Louis to St. John's, Saint John.. American Airlines is priced at 4% lower than the current average price of a flight leaving 3 months from now.
Can I find deals for flights from St. Louis to St. John's that include hotel bookings?
Yes. In addition to deals on St. Louis to St. John's flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from St. Louis to St. John's?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to St. John's.
Can I find deals for business class flights from St. Louis to St. John's?
Yes. Cheapflights offers flight deals from St. Louis to St. John's 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 St. Louis to St. John's, Saint John?
Currently, August is the cheapest month in which you can book a flight from St. Louis to St. John's, Saint John (average of $500). Flying from St. Louis to St. John's, Saint John in June is currently the most expensive (average of $651). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for St. Louis to St. John's

Kansas City to St. John's flights

Other flights to St. John's

John F Kennedy Intl to St. John's flights

Newark to St. John's flights

Charlotte to St. John's flights

Miami to St. John's flights

Atlanta to St. John's flights

St. John's, Saint John to Basseterre flights

St. John's, Saint John to Bridgetown flights

St. John's, Saint John to San Juan Luis Munoz Marin Intl Airport flights

St. John's, Saint John to Newark Airport flights

St. John's, Saint John to Road Town flights

St. John's, Saint John to Simpson Bay flights

St. John's, Saint John to Newark Airport flights

St. John's, Saint John to Roseau flights

St. John's, Saint John to New York John F Kennedy Intl Airport flights

St. John's, Saint John to San Juan Luis Munoz Marin Intl Airport flights

St. John's, Saint John to Port of Spain flights

St. John's, Saint John to Miami flights

St. John's, Saint John to Castries flights

St. John's, Saint John to Simpson Bay flights

St. John's, Saint John to Castries flights

St. John's, Saint John to Atlanta flights

St. John's, Saint John to Bridgetown flights

St. John's, Saint John to Kingston flights

Top airline flying from St. Louis to St. John's

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$624	Average$746	FlexibilityNo cancel fee	On-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$665+ Cheap flights from St. Louis (STL) to St. John's (ANU)

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 10/18. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from St. Louis to St. John's with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from St. Louis to St. John's

Most accurate provider

Most trusted provider

Round-trip from

Popular in

Cheapest in

Average price

Find flight deals from St. Louis to St. John's

Cheapest flights from St. Louis to St. John'sExplore the most affordable flight options available from St. Louis to St. John's. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 17, 2025.

Explore the most affordable flight options available from St. Louis to St. John's. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 17, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from St. Louis to St. John's that are best for you.

Compare providers for flights from St. Louis to St. John's

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 St. Louis to St. John's in April.

Best time to book a flight from St. Louis to St. John's

Have a flexible travel schedule? Discover the best time to fly to St. John's from St. Louis with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from St. Louis to St. John's

What is the cheapest month to book a flight from St. Louis to St. John's, Saint John?

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

Find hourly flight availability from St. Louis to St. John's. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 17, 2025.

Reviews of airlines servicing St. John's

Related info for your journey

Find useful and relevant information for your journey from St. Louis to St. John's. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What is the cheapest airline to fly from St. Louis to St. John's, Saint John round-trip?

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

How can I find direct flights from St. Louis to St. John's?

Can I find deals for business class flights from St. Louis to St. John's?

What is the cheapest month to book a flight from St. Louis to St. John's, Saint John?

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 St. Louis to St. John's

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

Top airline flying from St. Louis to St. John's

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from St. Louis to St. John's
Explore the most affordable flight options available from St. Louis to St. John's. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 17, 2025.