How long is the flight from St. Louis to St. John's, Saint John?

There are many flights that can get you from St. Louis to St. John's, Saint John in 21h 28m. Fly via American Airlines to get the fastest option. Airlines will cover a distance of 2277 mi.

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

American Airlines, at $654, was found to be the cheapest airline from St. Louis to St. John's, Saint John.. American Airlines is priced at 16% lower than the current average price of a flight leaving 3 months from now.

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 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 July. Prices are generally better when you fly from St. Louis to St. John's, Saint John in May, with the cheapest ticket starting at $648.

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.

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.

$675+ Cheap 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

Round-trip from	$675 (American Airlines)
Popular in	July
Cheapest in	May
Average price	$978

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

Search Deals

Highest demand for flights based on searches. 14% potential increase in price ($136 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($21 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in August 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 agosto 20, 2025.

sáb. 10/185:09 pmSTL - ANU

2 stops21h 28mAmerican Airlines

vie. 10/241:10 pmANU - STL

1 stop11h 46mAmerican Airlines

Deal found 8/18

$675

lun. 11/35:58 pmSTL - ANU

2 stops20h 46mAmerican Airlines

sáb. 11/83:42 pmANU - STL

1 stop18h 45mAmerican Airlines

Deal found 8/19

$700

jue. 10/26:00 pmSTL - ANU

2 stops20h 09mAmerican Airlines

jue. 10/92:55 pmANU - STL

2 stops19h 25mAmerican Airlines

Deal found 8/18

$730

mar. 9/235:28 amSTL - ANU

1 stop8h 41mAmerican Airlines

mar. 9/304:09 pmANU - STL

1 stop8h 50mAmerican Airlines

Deal found 8/19

$731

sáb. 9/135:25 pmSTL - ANU

2 stops20h 44mAmerican Airlines

sáb. 9/204:22 pmANU - STL

1 stop8h 37mAmerican Airlines

Deal found 8/20

$790

dom. 11/96:45 pmSTL - ANU

2 stops19h 59mAmerican Airlines

jue. 11/132:10 pmANU - STL

2 stops21h 06mAmerican Airlines

Deal found 8/18

$815

lun. 9/154:55 pmSTL - ANU

2 stops21h 14mAmerican Airlines

lun. 9/224:09 pmANU - STL

1 stop8h 50mAmerican Airlines

Deal found 8/18

$890

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 agosto 20, 2025.

sáb. 10/185:09 pmSTL - ANU

2 stops21h 28mAmerican Airlines

vie. 10/241:10 pmANU - STL

2 stops20h 43mAmerican Airlines

Deal found 8/18

$675

lun. 11/35:58 pmSTL - ANU

2 stops20h 46mAmerican Airlines

sáb. 11/83:42 pmANU - STL

1 stop18h 45mAmerican Airlines

Deal found 8/19

$700

sáb. 1/244:07 pmSTL - ANU

2 stops20h 13mAmerican Airlines

sáb. 1/315:35 pmANU - STL

1 stop16h 39mAmerican Airlines

Deal found 8/18

$700

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 agosto 20, 2025 and is based on user searches.

jue. 8/285:26 amSTL - ANU

1 stop9h 32mAmerican Airlines

sáb. 8/301:30 pmANU - STL

1 stop11h 29mAmerican Airlines

Deal found 8/18

$1,482

lun. 9/17:59 pmSTL - ANU

2 stops18h 59mAmerican Airlines

jue. 9/44:09 pmANU - STL

2 stops20h 43mAmerican Airlines

Deal found 8/18

$945

lun. 9/19:15 amSTL - ANU

2 stops25h 15mMultiple Airlines

jue. 9/47:15 pmANU - STL

3 stops45h 03mMultiple Airlines

Deal found 8/18

$1,786

sáb. 9/135:25 pmSTL - ANU

2 stops20h 44mAmerican Airlines

sáb. 9/204:22 pmANU - STL

1 stop8h 37mAmerican Airlines

Deal found 8/20

$790

lun. 9/154:55 pmSTL - ANU

2 stops21h 14mAmerican Airlines

lun. 9/224:09 pmANU - STL

1 stop8h 50mAmerican Airlines

Deal found 8/18

$890

mar. 9/235:28 amSTL - ANU

1 stop8h 41mAmerican Airlines

mar. 9/304:09 pmANU - STL

1 stop8h 50mAmerican Airlines

Deal found 8/19

$731

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

sáb. 10/18

5:09 pm-3:37 pm

2 stops21h 28m

St. John's V.C. Bird Intl

vie. 10/24

1:10 pm-8:53 am

2 stops20h 43m

$675

St. LouisSt. John's

STL - ANU

STLANU

Lambert-St Louis

lun. 11/3

5:58 pm-4:44 pm

2 stops20h 46m

St. John's V.C. Bird Intl

sáb. 11/8

3:42 pm-8:27 am

1 stop18h 45m

$700

St. LouisSt. John's

STL - ANU

STLANU

Lambert-St Louis

sáb. 1/24

4:07 pm-2:20 pm

2 stops20h 13m

St. John's V.C. Bird Intl

sáb. 1/31

5:35 pm-8:14 am

1 stop16h 39m

$700

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/18

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.

Reviews of airlines servicing St. John's

Read reviews from past customers who have flown American Airlines from St. Louis to St. John's. 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.

American Airlines

7.2

Good

10,000 reviews

Reviews

1 / 20

2.0

Mediocre

Anonymous,Aug 2025

BNA - ORD

My flight was 8 hours delayed, so I missed my connecting flight to Dublin. I understand it’s not the staff’s fault but the lack of sympathy and apology was appalling. I had been sat in the airport since 4am until 3pm and they did not seem understanding. Not good. Need better customer service.

American Airlines

7.2

Good

10,000 reviews

American Airlines

7.2

Good

10,000 reviews

Reviews

1 / 20

2.0

Mediocre

Anonymous,Aug 2025

BNA - ORD

Related info for your journey

How long is the flight from St. Louis to St. John's, Saint John?
There are many flights that can get you from St. Louis to St. John's, Saint John in 21h 28m. Fly via American Airlines to get the fastest option. Airlines will cover a distance of 2277 mi.
What is the cheapest airline to fly from St. Louis to St. John's, Saint John round-trip?
American Airlines, at $654, was found to be the cheapest airline from St. Louis to St. John's, Saint John.. American Airlines is priced at 16% 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

Newark to St. John's flights

John F Kennedy Intl to St. John's flights

Miami to St. John's flights

Atlanta to St. John's flights

Charlotte to St. John's flights

St. John's, Saint John to Basseterre flights

St. John's, Saint John to Roseau flights

St. John's, Saint John to Bridgetown flights

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

St. John's, Saint John to Toronto Pearson Intl Airport flights

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

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

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

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

St. John's, Saint John to Toronto Pearson Intl Airport flights

St. John's, Saint John to Georgetown, Demerara-Mahaica flights

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

St. John's, Saint John to Kingston flights

St. John's, Saint John to Charlotte flights

St. John's, Saint John to Miami flights

St. John's, Saint John to Santo Domingo flights

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

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$654	Average$763	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.

$675+ 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

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 agosto 20, 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 agosto 20, 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.

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.

Reviews of airlines servicing St. John's

Read reviews from past customers who have flown American Airlines from St. Louis to St. John's. 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

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.

How long is the flight from St. Louis to St. John's, Saint John?

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 agosto 20, 2025.