What are the cheapest airlines flying from St. Louis to Zagreb round-trip?

Cheapflights users have booked flights from St. Louis to Zagreb round-trip from $704. Other airlines that can offer you cheap pricing are United Airlines, from $717, and Lufthansa, from $875. Air Canada is currently priced 29% below the average price you’ll pay for this route.

What is the cheapest day to fly from St. Louis to Zagreb?

Travelers seeking maximum savings on their St. Louis to Zagreb flight should consider departing on Monday evenings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Zagreb ranges from 1.9 - 3.7 inches per month. June is typically the wettest month, when rainfall can reach 3.7 in. February is typically the driest time to visit Zagreb when rainfall is around 1.9 in.

If weather is an important factor for your trip to Zagreb, 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 69.8 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 St. Louis to Zagreb?

Consider Air Canada, Delta or KLM when booking your flight. These represent the most popular airlines when flying from St. Louis to Zagreb.

What is the cheapest day to fly round-trip from St. Louis to Zagreb?

Flying to your destination on a Tuesday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Zagreb. Check prices with Cheapflights to find a great deal for your trip.

How far in advance should I book a flight from St. Louis to Zagreb?

To save up to 116% on this flight, we recommend booking at least 8 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from St. Louis to Zagreb from $681 1-2 weeks out and tickets from $1,630 for flights departing within the next 72 hours.

What is the cheapest month to fly from St. Louis to Zagreb?

November is one of the best times of the year to fly to Zagreb from St. Louis. Prices for November average $1,005 per person but you can even find prices for as low as $597. The most expensive prices can be found in the month of May. Opting for a November flight can save you 26% on your journey compared to booking in May

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

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

How can I find direct flights from St. Louis to Zagreb?

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

Can I find deals for business class flights from St. Louis to Zagreb?

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

$533+ Flights from St. Louis to Zagreb

Q: How much does it cost to fly round-trip from St. Louis to Zagreb?

Airfare is below average for this route at the moment. St. Louis to Zagreb flights typically cost between $997 and $1,287 in August. The cheapest round-trip price found within the last 3 days was $683 on Multiple Airlines (Aug 17-Aug 29).

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Cheapflights Tip: The best prices from Lambert-St Louis to Zagreb Franjo Tuđman are usually found in November or February, booked 7 days in advance, depart on a Monday or Sunday and return on a Tuesday

Cheap flight deals from St. Louis to Zagreb

Round-trip from	$683 (Gotogate)
One-way from	$533 (Kiwi.com)
Popular in	May
Cheapest in	November
Average price	$1,146

From Lambert-St Louis to Zagreb Franjo Tuđman

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One-way flight from Lambert-St Louis to Zagreb Franjo Tuđman

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Highest demand for flights based on searches. 16% potential increase in price ($202 potential increase over avg. RT price).

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Cheapest flight prices on average. 2% potential price decrease ($25 potential savings vs. average RT price).

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Average for round-trip flights in July 2025

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Find flight deals from St. Louis to Zagreb

Cheapest flights from St. Louis to Zagreb
Explore the most affordable flight options available from St. Louis to Zagreb. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 28, 2025.

Mon 7/281:04 pmSTL - ZAG

2 stops25h 16mLufthansa

Fri 8/226:05 amZAG - STL

1 stop14h 25mLufthansa

Deal found 7/27

$672

Tue 7/291:30 pmSTL - ZAG

2 stops17h 45mUnited Airlines

Fri 8/226:05 amZAG - STL

2 stops23h 03mUnited Airlines

Deal found 7/27

$682

Sun 8/174:00 pmSTL - ZAG

2 stops13h 35mMultiple Airlines

Fri 8/296:05 amZAG - STL

1 stop14h 25mMultiple Airlines

Deal found 7/26

$683

Sun 8/174:00 pmSTL - ZAG

2 stops37h 35mAir Canada

Fri 8/296:05 amZAG - STL

2 stops44h 55mAir Canada

Deal found 7/27

$704

Wed 7/308:01 pmSTL - ZAG

2 stops33h 44mBritish Airways

Wed 8/201:20 pmZAG - STL

2 stops36h 49mBritish Airways

Deal found 7/27

$725

Wed 7/308:01 pmSTL - ZAG

2 stops40h 39mIberia

Thu 8/2111:10 amZAG - STL

2 stops19h 41mIberia

Deal found 7/27

$734

Best flights from St. Louis to Zagreb
Discover carefully curated flight deals from St. Louis to Zagreb that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 28, 2025.

Sun 8/174:00 pmSTL - ZAG

2 stops13h 35mMultiple Airlines

Fri 8/296:05 amZAG - STL

1 stop14h 25mMultiple Airlines

Deal found 7/26

$683

Sun 8/174:00 pmSTL - ZAG

2 stops37h 35mAir Canada

Fri 8/296:05 amZAG - STL

2 stops44h 55mAir Canada

Deal found 7/27

$704

Wed 8/208:15 amSTL - ZAG

2 stops32h 20mUnited Airlines

Wed 9/176:15 amZAG - STL

2 stops19h 08mUnited Airlines

Deal found 7/28

$717

Thu 8/148:15 amSTL - ZAG

2 stops23h 00mLufthansa

Sun 9/216:00 amZAG - STL

1 stop14h 30mLufthansa

Deal found 7/26

$875

Last-minute flights from St. Louis to Zagreb
Discover last-minute flight deals from St. Louis to Zagreb. Data last updated July 28, 2025 and is based on user searches.

Mon 7/281:04 pmSTL - ZAG

2 stops25h 16mLufthansa

Fri 8/226:05 amZAG - STL

1 stop14h 25mLufthansa

Deal found 7/27

$672

Tue 7/291:30 pmSTL - ZAG

2 stops17h 45mUnited Airlines

Wed 8/206:15 amZAG - STL

2 stops24h 38mUnited Airlines

Deal found 7/27

$682

Wed 7/308:01 pmSTL - ZAG

2 stops33h 44mBritish Airways

Wed 8/201:20 pmZAG - STL

2 stops36h 49mBritish Airways

Deal found 7/27

$725

Wed 7/308:01 pmSTL - ZAG

2 stops40h 39mIberia

Thu 8/2111:10 amZAG - STL

2 stops19h 41mIberia

Deal found 7/27

$734

Sat 8/28:01 pmSTL - ZAG

2 stops34h 49mBritish Airways

Mon 8/182:40 pmZAG - STL

2 stops35h 41mBritish Airways

Deal found 7/27

$935

Sun 8/35:30 pmSTL - ZAG

2 stops20h 50mLufthansa

Fri 8/226:05 amZAG - STL

1 stop14h 25mLufthansa

Deal found 7/27

$672

Sun 8/35:30 pmSTL - ZAG

2 stops23h 05mUnited Airlines

Wed 8/206:15 amZAG - STL

2 stops24h 38mUnited Airlines

Deal found 7/27

$687

Sun 8/34:00 pmSTL - ZAG

2 stops13h 35mAir Canada

Mon 8/183:00 pmZAG - STL

2 stops36h 00mAir Canada

Deal found 7/27

$844

Sun 8/33:30 pmSTL - ZAG

1 stop25h 05mMultiple Airlines

Mon 8/188:20 pmZAG - STL

2 stops43h 51mMultiple Airlines

Deal found 7/27

$1,397

Sun 8/174:00 pmSTL - ZAG

2 stops13h 35mMultiple Airlines

Fri 8/296:05 amZAG - STL

1 stop14h 25mMultiple Airlines

Deal found 7/26

$683

Sun 8/174:00 pmSTL - ZAG

2 stops37h 35mAir Canada

Fri 8/296:05 amZAG - STL

2 stops44h 55mAir Canada

Deal found 7/27

$704

One-way flights from St. Louis to Zagreb
Search for one-way flight options from St. Louis to Zagreb. Find affordable one-way fares based on user searches. Data last updated July 28, 2025.

Fri 8/157:29 pmSTL - ZAG

2 stops40h 56mMultiple Airlines

Deal found 7/27

$533

Fri 8/153:30 pmSTL - ZAG

1 stop15h 40mLufthansa

Deal found 7/27

$550

Fly from

Fly to

Route

Depart

Return

Price

St. LouisZagreb

STL - ZAG

STLZAG

Lambert-St Louis

Sun 8/17

4:00 pm-12:35 pm

2 stops13h 35m

Zagreb Franjo Tuđman

Fri 8/29

6:05 am-1:30 pm

1 stop14h 25m

$683

St. LouisZagreb

STL - ZAG

STLZAG

Lambert-St Louis

Sun 8/17

4:00 pm-12:35 pm

2 stops37h 35m

Zagreb Franjo Tuđman

Fri 8/29

6:05 am-8:00 pm

2 stops44h 55m

$704

St. LouisZagreb

STL - ZAG

STLZAG

Lambert-St Louis

Wed 8/20

8:15 am-11:35 pm

2 stops32h 20m

Zagreb Franjo Tuđman

Wed 9/17

6:15 am-6:23 pm

2 stops19h 08m

$717

St. LouisZagreb

STL - ZAG

STLZAG

Lambert-St Louis

Thu 8/14

8:15 am-2:15 pm

2 stops23h 00m

Zagreb Franjo Tuđman

Sun 9/21

6:00 am-1:30 pm

1 stop14h 30m

$875

St. LouisZagreb

STL - ZAG

STLZAG

Lambert-St Louis

Fri 8/15

7:29 pm-7:25 pm

2 stops40h 56m

$533

St. LouisZagreb

STL - ZAG

STLZAG

Lambert-St Louis

Fri 8/15

3:30 pm-2:10 pm

1 stop15h 40m

$550

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

Best time to book a flight from St. Louis to Zagreb

Have a flexible travel schedule? Discover the best time to fly to Zagreb 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 Zagreb

How far ahead should I book a flight from St. Louis to Zagreb?

The price you pay for your flight from St. Louis to Zagreb may vary depending on when you book. For the best chance of a lower fare, look to book 7 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from St. Louis to Zagreb?

Currently, November is the cheapest month in which you can book a flight from St. Louis to Zagreb (average of $641). Flying from St. Louis to Zagreb in June is currently the most expensive (average of $1,263). 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 ZAG?

It’s typically best to fly out from St. Louis to Zagreb in the evening. Doing so could potentially save you 24% on the flight price compared to flying at noon, which is usually more expensive.

How much does it cost to fly round-trip from St. Louis to Zagreb?

Reviews of airlines servicing Zagreb

Peruse reviews from past customers who have flown with United Airlines, Air Canada, and Lufthansa from St. Louis to Zagreb to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

United Airlines

7.4

Good

8,892 reviews

Reviews

1 / 20

4.0

Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

United Airlines

7.4

Good

8,892 reviews

United Airlines

7.4

Good

8,892 reviews

Reviews

1 / 20

4.0

Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Air Canada

7.1

Good

9,813 reviews

United Airlines

7.4

Good

8,892 reviews

Reviews

1 / 20

4.0

Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Lufthansa

6.8

Okay

7,265 reviews

United Airlines

7.4

Good

8,892 reviews

Reviews

1 / 20

4.0

Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Related info for your journey

What are the cheapest airlines flying from St. Louis to Zagreb round-trip?
Cheapflights users have booked flights from St. Louis to Zagreb round-trip from $704. Other airlines that can offer you cheap pricing are United Airlines, from $717, and Lufthansa, from $875. Air Canada is currently priced 29% below the average price you’ll pay for this route.
Can I find deals for flights from St. Louis to Zagreb that include hotel bookings?
Yes. In addition to deals on St. Louis to Zagreb flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from St. Louis to Zagreb?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Zagreb.
Can I find deals for business class flights from St. Louis to Zagreb?
Yes. Cheapflights offers flight deals from St. Louis to Zagreb 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 Zagreb?
Currently, November is the cheapest month in which you can book a flight from St. Louis to Zagreb (average of $641). Flying from St. Louis to Zagreb in June is currently the most expensive (average of $1,263). 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

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Top 5 airlines flying from St. Louis to Zagreb

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$647	Average$886	FlexibilityNo cancel fee	On-time69%
Lufthansa	Cheapest$703	Average$1,157	FlexibilityNo cancel fee	On-time76%
Delta	Cheapest$754	Average$1,100	FlexibilityNo cancel fee	On-timeN/A
Air Canada	Cheapest$817	Average$1,147	FlexibilityNo cancel fee	On-time67%
KLM	Cheapest$854	Average$1,106	FlexibilityNo cancel fee	On-time75%

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$533+ Cheap flights from St. Louis (STL) to Zagreb (ZAG)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/15. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from St. Louis to Zagreb with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Lambert-St Louis to Zagreb Franjo Tuđman are usually found in November or February, booked 7 days in advance, depart on a Monday or Sunday and return on a Tuesday

Cheap flight deals from St. Louis to Zagreb

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from St. Louis to Zagreb

Cheapest flights from St. Louis to ZagrebExplore the most affordable flight options available from St. Louis to Zagreb. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 28, 2025.

Explore the most affordable flight options available from St. Louis to Zagreb. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 28, 2025.

Cheapflights Fare Finder

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

Best time to book a flight from St. Louis to Zagreb

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

Cheapflights Insights

Everything you need to know about your flight from St. Louis to Zagreb

How far ahead should I book a flight from St. Louis to Zagreb?

Use this chart to determine the optimal time to book a round-trip flight from St. Louis to Zagreb. Price data was last updated on July 25, 2025.

What is the cheapest month to book a flight from St. Louis to Zagreb?

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

Find hourly flight availability from St. Louis to Zagreb. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 28, 2025.

How much does it cost to fly round-trip from St. Louis to Zagreb?

Reviews of airlines servicing Zagreb

Get insights into the airlines that provide service to Zagreb. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Zagreb. Reviews last updated July 28, 2025.

Peruse reviews from past customers who have flown with United Airlines, Air Canada, and Lufthansa from St. Louis to Zagreb to help guide your decision. You can also see how each airline stacks up 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 Zagreb. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What are the cheapest airlines flying from St. Louis to Zagreb round-trip?

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

How can I find direct flights from St. Louis to Zagreb?

Can I find deals for business class flights from St. Louis to Zagreb?

What is the cheapest month to book a flight from St. Louis to Zagreb?

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 Zagreb

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

Top 5 airlines flying from St. Louis to Zagreb

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Cheapest flights from St. Louis to Zagreb
Explore the most affordable flight options available from St. Louis to Zagreb. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 28, 2025.