What are the cheapest airlines flying from St. Louis to Frankfurt am Main round-trip?

Flying on American Airlines is currently your cheapest option to Frankfurt am Main, with prices starting at $667. Additional round-trip tickets that might be worth considering are offered by British Airways and Finnair, with the lowest prices starting at $765 and $825, respectively. You may be able to fly from St. Louis to Frankfurt am Main for 43% less than the average price by searching for these airlines.

What are the cheapest airlines to fly from St. Louis to Frankfurt am Main one-way?

$538 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 Aer Lingus and British Airways, with prices starting from $547 and $634, respectively.

What is the cheapest day to fly from St. Louis to Frankfurt am Main?

Travelers seeking maximum savings on their St. Louis to Frankfurt am Main flight should consider departing on Tuesday mornings when fares are most often at their lowest. Thursday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

What are the cheapest flights from St. Louis to Frankfurt am Main?

Looking at all options, your cheapest flight can be booked for $504. While the most popular route (Lambert-St Louis - Frankfurt am Main) can be booked for $669 on average our data indicates $1,904 when flying from St. Louis to Frankfurt am Main.

What are the most popular airlines that fly from St. Louis to Frankfurt am Main?

Before booking your flight from St. Louis to Frankfurt am Main check out the most popular airlines for this route: American Airlines, Air Canada or British Airways.

What is the cheapest day to fly round-trip from St. Louis to Frankfurt am Main?

Flying to your destination on a Friday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Frankfurt am Main. 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 Frankfurt am Main?

To save up to 202% on this flight, we recommend booking at least 33 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 Frankfurt am Main from $1,579 1-2 weeks out and tickets from $1,907 for flights departing within the next 72 hours.

What is the cheapest month to fly from St. Louis to Frankfurt am Main?

Flights from St. Louis to Frankfurt am Main lean towards being more expensive in June. Prices are generally better when you fly from St. Louis to Frankfurt am Main in November, with the cheapest ticket starting at $764.

What airport do you fly from for flights from St. Louis to Frankfurt am Main?

Located just 12.7 mi from the city center, Lambert-St Louis is the airport most travelers will use when flying to Frankfurt am Main from St. Louis. Booking flights from Lambert-St Louis (STL) to Frankfurt am Main should be relatively easy as there are 0 daily outbound flights to Frankfurt am Main from 7 different airlines.

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

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

How can I find direct flights from St. Louis to Frankfurt am Main?

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

Can I find deals for business class flights from St. Louis to Frankfurt am Main?

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

$341+ Flights from St. Louis to Frankfurt am Main

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

Find cheap flights from St. Louis to Frankfurt am Main 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.

Cheapflights Tip: The best prices from Lambert-St Louis to Frankfurt am Main are usually found in November or January, booked 32 days in advance, depart on a Thursday or Monday and return on a Tuesday

Cheap flight deals from St. Louis to Frankfurt am Main

Round-trip from	$667 (American Airlines)
One-way from	$341 (flugladen.de)
Popular in	June
Cheapest in	November
Average price	$1,251

From Lambert-St Louis to Frankfurt am Main

Search Deals

One-way flight from Lambert-St Louis to Frankfurt am Main

Search Deals

Highest demand for flights based on searches. 17% potential increase in price ($248 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($35 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 Frankfurt am Main

Cheapest flights from St. Louis to Frankfurt am Main
Explore the most affordable flight options available from St. Louis to Frankfurt am Main. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 24, 2025.

Wed 5/71:30 pmSTL - FRA

1 stop11h 40mAir Canada

Wed 6/45:05 pmFRA - STL

2 stops28h 48mAir Canada

Deal found 4/23

$872

Sun 9/73:30 pmSTL - FRA

Nonstop8h 55mLufthansa

Wed 9/1710:40 amFRA - STL

Nonstop9h 50mLufthansa

Deal found 4/22

$873

Sun 9/73:20 pmSTL - FRA

1 stop33h 00mUnited Airlines

Wed 9/175:05 pmFRA - STL

1 stop33h 28mUnited Airlines

Deal found 4/22

$876

Wed 5/71:30 pmSTL - FRA

2 stops14h 35mMultiple Airlines

Thu 5/229:55 amFRA - STL

1 stop17h 03mMultiple Airlines

Deal found 4/23

$881

Sun 9/711:51 amSTL - FRA

2 stops14h 59mVirgin Atlantic

Wed 9/1711:00 amFRA - STL

2 stops19h 39mVirgin Atlantic

Deal found 4/22

$896

Wed 5/71:09 pmSTL - FRA

2 stops13h 41mDelta

Tue 5/1311:50 amFRA - STL

2 stops15h 59mDelta

Deal found 4/23

$897

Wed 10/151:30 pmSTL - FRA

2 stops23h 15mScandinavian Airlines

Tue 10/217:00 amFRA - STL

3 stops23h 39mScandinavian Airlines

Deal found 4/23

$908

Mon 5/1210:31 amSTL - FRA

2 stops21h 34mBritish Airways

Mon 5/193:00 pmFRA - STL

2 stops36h 58mBritish Airways

Deal found 4/23

$921

Wed 5/71:09 pmSTL - FRA

1 stop12h 46mKLM

Mon 5/122:15 pmFRA - STL

2 stops16h 23mKLM

Deal found 4/23

$966

Tue 5/610:31 amSTL - FRA

2 stops16h 44mAer Lingus

Tue 5/1310:55 amFRA - STL

2 stops17h 57mAer Lingus

Deal found 4/23

$1,046

Best flights from St. Louis to Frankfurt am Main
Discover carefully curated flight deals from St. Louis to Frankfurt am Main that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 24, 2025.

Tue 4/297:03 pmSTL - FRA

2 stops15h 57mAmerican Airlines

Tue 5/1310:55 amFRA - STL

1 stop14h 26mAmerican Airlines

Deal found 4/22

$667

Tue 7/155:27 pmSTL - FRA

2 stops22h 13mBritish Airways

Thu 7/3110:45 amFRA - STL

1 stop14h 48mBritish Airways

Deal found 4/22

$765

Sun 5/1110:36 amSTL - FRA

1 stop15h 09mFinnair

Sun 5/2511:30 amFRA - STL

2 stops17h 45mFinnair

Deal found 4/22

$825

Wed 4/3012:00 pmSTL - FRA

2 stops15h 15mAer Lingus

Wed 5/1410:55 amFRA - STL

2 stops19h 56mAer Lingus

Deal found 4/22

$862

Mon 5/121:30 pmSTL - FRA

1 stop11h 40mAir Canada

Fri 5/305:05 pmFRA - STL

2 stops28h 51mAir Canada

Deal found 4/23

$872

Wed 5/71:30 pmSTL - FRA

1 stop11h 40mMultiple Airlines

Wed 6/410:40 amFRA - STL

Nonstop9h 50mMultiple Airlines

Deal found 4/22

$876

Wed 5/71:30 pmSTL - FRA

1 stop11h 40mUnited Airlines

Wed 5/1410:15 amFRA - STL

2 stops37h 52mUnited Airlines

Deal found 4/23

$878

Wed 5/710:05 amSTL - FRA

2 stops16h 45mDelta

Wed 5/1411:50 amFRA - STL

2 stops15h 59mDelta

Deal found 4/23

$897

Mon 7/75:30 pmSTL - FRA

1 stop13h 35mLufthansa

Tue 8/1210:15 pmFRA - STL

2 stops24h 32mLufthansa

Deal found 4/22

$960

Wed 5/71:09 pmSTL - FRA

1 stop12h 46mKLM

Mon 5/122:15 pmFRA - STL

2 stops16h 23mKLM

Deal found 4/23

$966

Thu 7/1010:08 amSTL - FRA

1 stop15h 47mIberia

Sat 7/2610:45 amFRA - STL

1 stop20h 29mIberia

Deal found 4/22

$1,039

Last-minute flights from St. Louis to Frankfurt am Main
Discover last-minute flight deals from St. Louis to Frankfurt am Main. Data last updated April 24, 2025 and is based on user searches.

Sat 4/2612:47 pmSTL - FRA

2 stops18h 53mScandinavian Airlines

Sat 5/107:00 amFRA - STL

3 stops20h 39mScandinavian Airlines

Deal found 4/23

$1,419

Wed 4/3010:17 amSTL - FRA

2 stops16h 58mAer Lingus

Wed 5/710:55 amFRA - STL

2 stops19h 56mAer Lingus

Deal found 4/23

$1,115

Wed 4/306:30 amSTL - FRA

1 stop22h 40mMultiple Airlines

Wed 5/79:00 amFRA - STL

2 stops22h 06mMultiple Airlines

Deal found 4/23

$1,144

Wed 4/306:30 amSTL - FRA

1 stop22h 40mAlaska Airlines

Wed 5/211:45 pmFRA - STL

1 stop17h 19mAlaska Airlines

Deal found 4/23

$1,283

Wed 4/303:30 pmSTL - FRA

Nonstop8h 55mUnited Airlines

Wed 5/149:55 amFRA - STL

1 stop17h 03mUnited Airlines

Deal found 4/23

$2,090

Fri 5/212:51 pmSTL - FRA

2 stops13h 59mDelta

Fri 5/911:50 amFRA - STL

2 stops15h 49mDelta

Deal found 4/23

$2,169

Sat 5/38:00 amSTL - FRA

2 stops30h 00mTurkish Airlines

Sat 5/103:05 pmFRA - STL

2 stops31h 42mTurkish Airlines

Deal found 4/23

$1,462

Sat 5/312:47 pmSTL - FRA

2 stops18h 53mScandinavian Airlines

Sat 5/107:00 amFRA - STL

3 stops23h 38mScandinavian Airlines

Deal found 4/23

$2,795

Sun 5/45:29 pmSTL - FRA

1 stop30h 51mLufthansa

Wed 5/1410:40 amFRA - STL

Nonstop9h 50mLufthansa

Deal found 4/23

$1,958

Sun 5/46:00 amSTL - FRA

2 stops20h 40mWestJet

Wed 5/143:15 pmFRA - STL

2 stops27h 49mWestJet

Deal found 4/23

$1,992

Tue 5/610:31 amSTL - FRA

2 stops16h 44mAer Lingus

Tue 5/1310:55 amFRA - STL

2 stops17h 57mAer Lingus

Deal found 4/23

$1,046

Wed 5/71:30 pmSTL - FRA

1 stop11h 40mAir Canada

Wed 6/45:05 pmFRA - STL

2 stops28h 48mAir Canada

Deal found 4/23

$872

One-way flights from St. Louis to Frankfurt am Main
Search for one-way flight options from St. Louis to Frankfurt am Main. Find affordable one-way fares based on user searches. Data last updated April 24, 2025.

Mon 4/289:55 pmSTL - FRA

2 stops31h 45mMultiple Airlines

Deal found 4/23

$341

Tue 5/67:00 amSTL - FRA

1 stop18h 45mAmerican Airlines

Deal found 4/22

$538

Tue 5/610:31 amSTL - FRA

2 stops16h 44mAer Lingus

Deal found 4/23

$547

Sat 5/177:19 pmSTL - FRA

1 stop30h 26mBritish Airways

Deal found 4/23

$634

Mon 5/51:10 pmSTL - FRA

1 stop17h 55mLufthansa

Deal found 4/22

$661

Mon 5/198:00 amSTL - FRA

2 stops17h 10mUnited Airlines

Deal found 4/23

$718

Fri 5/2310:45 amSTL - FRA

2 stops15h 55mWestJet

Deal found 4/23

$723

Wed 4/3011:06 amSTL - FRA

1 stop14h 39mFinnair

Deal found 4/23

$734

Sat 5/35:27 pmSTL - FRA

1 stop32h 18mIberia

Deal found 4/23

$740

Sat 5/36:30 amSTL - FRA

2 stops31h 30mTurkish Airlines

Deal found 4/23

$830

Sat 5/242:30 pmSTL - FRA

1 stop33h 00mAir Canada

Deal found 4/23

$888

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Wed 5/7

1:30 pm-8:10 am

1 stop11h 40m

Frankfurt am Main

Wed 6/4

5:05 pm-2:53 pm

2 stops28h 48m

$872

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Sun 9/7

3:30 pm-7:25 am

Nonstop8h 55m

Frankfurt am Main

Wed 9/17

10:40 am-1:30 pm

Nonstop9h 50m

$873

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Sun 9/7

3:20 pm-7:20 am

1 stop33h 00m

Frankfurt am Main

Wed 9/17

5:05 pm-7:33 pm

1 stop33h 28m

$876

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Wed 5/7

1:30 pm-11:05 am

2 stops14h 35m

Frankfurt am Main

Thu 5/22

9:55 am-7:58 pm

1 stop17h 03m

$881

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Sun 9/7

11:51 am-9:50 am

2 stops14h 59m

Frankfurt am Main

Wed 9/17

11:00 am-11:39 pm

2 stops19h 39m

$896

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Wed 5/7

1:09 pm-9:50 am

2 stops13h 41m

Frankfurt am Main

Tue 5/13

11:50 am-8:49 pm

2 stops15h 59m

$897

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Wed 10/15

1:30 pm-7:45 pm

2 stops23h 15m

Frankfurt am Main

Tue 10/21

7:00 am-11:39 pm

3 stops23h 39m

$908

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Mon 5/12

10:31 am-3:05 pm

2 stops21h 34m

Frankfurt am Main

Mon 5/19

3:00 pm-8:58 pm

2 stops36h 58m

$921

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Wed 5/7

1:09 pm-8:55 am

1 stop12h 46m

Frankfurt am Main

Mon 5/12

2:15 pm-11:38 pm

2 stops16h 23m

$966

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Tue 5/6

10:31 am-10:15 am

2 stops16h 44m

Frankfurt am Main

Tue 5/13

10:55 am-9:52 pm

2 stops17h 57m

$1,046

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/23

Showing 1-10 of 25 results

Best time to book a flight from St. Louis to Frankfurt am Main

Have a flexible travel schedule? Discover the best time to fly to Frankfurt am Main 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 Frankfurt am Main

How far ahead should I book a flight from St. Louis to Frankfurt am Main?

The best time to book flights from St. Louis to Frankfurt am Main is 32 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from St. Louis to Frankfurt am Main?

Currently, January is the cheapest month in which you can book a flight from St. Louis to Frankfurt am Main (average of $729). Flying from St. Louis to Frankfurt am Main in June is currently the most expensive (average of $1,079). 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 FRA?

One of the essential ways to save on airfare from St. Louis to Frankfurt am Main is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the morning could potentially save you up to 12% on airfare.

Rainfall in Frankfurt am Main by month

In terms of precipitation, rainfall in Frankfurt am Main ranges from 1.6 - 2.8 inches per month. June is typically the wettest month, when rainfall can reach 2.8 in. January is typically the driest time to visit Frankfurt am Main when rainfall is around 1.6 in.

Temperature in Frankfurt am Main by month

If weather is an important factor for your trip to Frankfurt am Main, 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 64.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 33.8 F).

Reviews of airlines servicing Frankfurt am Main

Peruse reviews from past customers who have flown with Delta, KLM and Finnair from St. Louis to Frankfurt am Main to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,920 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta

8.0

Very good

7,920 reviews

Delta

8.0

Very good

7,920 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM

7.8

Good

1,333 reviews

Delta

8.0

Very good

7,920 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Finnair

7.6

Good

1,272 reviews

Delta

8.0

Very good

7,920 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines

7.4

Good

8,685 reviews

Delta

8.0

Very good

7,920 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Turkish Airlines

7.3

Good

3,775 reviews

Delta

8.0

Very good

7,920 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

What airport do you fly from for flights from St. Louis to Frankfurt am Main?
Located just 12.7 mi from the city center, Lambert-St Louis is the airport most travelers will use when flying to Frankfurt am Main from St. Louis. Booking flights from Lambert-St Louis (STL) to Frankfurt am Main should be relatively easy as there are 0 daily outbound flights to Frankfurt am Main from 7 different airlines.
What are the cheapest airlines flying from St. Louis to Frankfurt am Main round-trip?
Flying on American Airlines is currently your cheapest option to Frankfurt am Main, with prices starting at $667. Additional round-trip tickets that might be worth considering are offered by British Airways and Finnair, with the lowest prices starting at $765 and $825, respectively. You may be able to fly from St. Louis to Frankfurt am Main for 43% less than the average price by searching for these airlines.
What are the cheapest airlines to fly from St. Louis to Frankfurt am Main one-way?
$538 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 Aer Lingus and British Airways, with prices starting from $547 and $634, respectively.
What are the cheapest flights from St. Louis to Frankfurt am Main?
Looking at all options, your cheapest flight can be booked for $504. While the most popular route (Lambert-St Louis - Frankfurt am Main) can be booked for $669 on average our data indicates $1,904 when flying from St. Louis to Frankfurt am Main.
Can I find deals for flights from St. Louis to Frankfurt am Main that include hotel bookings?
Yes. In addition to deals on St. Louis to Frankfurt am Main flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from St. Louis to Frankfurt am Main?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Frankfurt am Main.
Can I find deals for business class flights from St. Louis to Frankfurt am Main?
Yes. Cheapflights offers flight deals from St. Louis to Frankfurt am Main 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 Frankfurt am Main?
Currently, January is the cheapest month in which you can book a flight from St. Louis to Frankfurt am Main (average of $729). Flying from St. Louis to Frankfurt am Main in June is currently the most expensive (average of $1,079). 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 Frankfurt am Main

Complete your trip

Frankfurt am Main car rentals

Frankfurt am Main Airport car rentals

Cologne Köln/Bonn Airport car rentals

Karlsruhe Söllingen Airport car rentals

Frankfurt-Hahn Airport car rentals

Saarbruecken Ensheim Airport car rentals

Munich car rentals

Berlin car rentals

Düsseldorf car rentals

Cologne car rentals

Hamburg car rentals

Stuttgart car rentals

Top 7 airlines flying from St. Louis to Frankfurt am Main

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$576	Average$983	FlexibilityNo cancel fee	On-time71%
British Airways	Cheapest$629	Average$969	FlexibilityNo cancel fee	On-time70%
United Airlines	Cheapest$788	Average$1,166	FlexibilityNo cancel fee	On-time69%
Lufthansa	Cheapest$815	Average$1,263	FlexibilityNo cancel fee	On-time76%
KLM	Cheapest$877	Average$1,064	FlexibilityNo cancel fee	On-time75%
Delta	Cheapest$912	Average$1,261	FlexibilityNo cancel fee	On-timeN/A
Air Canada	Cheapest$921	Average$1,303	FlexibilityNo cancel fee	On-time67%

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.

$341+ Cheap flights from St. Louis (STL) to Frankfurt am Main

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 4/28. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from St. Louis to Frankfurt am Main 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 Frankfurt am Main are usually found in November or January, booked 32 days in advance, depart on a Thursday or Monday and return on a Tuesday

Cheap flight deals from St. Louis to Frankfurt am Main

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from St. Louis to Frankfurt am Main

Cheapest flights from St. Louis to Frankfurt am MainExplore the most affordable flight options available from St. Louis to Frankfurt am Main. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 24, 2025.

Explore the most affordable flight options available from St. Louis to Frankfurt am Main. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 24, 2025.

Cheapflights Fare Finder

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

Best time to book a flight from St. Louis to Frankfurt am Main

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

Cheapflights Insights

Everything you need to know about your flight from St. Louis to Frankfurt am Main

How far ahead should I book a flight from St. Louis to Frankfurt am Main?

Use this chart to determine the optimal time to book a round-trip flight from St. Louis to Frankfurt am Main. Price data was last updated on April 18, 2025.

What is the cheapest month to book a flight from St. Louis to Frankfurt am Main?

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

Find hourly flight availability from St. Louis to Frankfurt am Main. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 24, 2025.

Rainfall in Frankfurt am Main by month

Plan your trip to Frankfurt am Main by taking into account the average rainfall totals by month.

Temperature in Frankfurt am Main by month

Plan your trip to Frankfurt am Main by taking into account the average temperature totals by month.

Reviews of airlines servicing Frankfurt am Main

Peruse reviews from past customers who have flown with Delta, KLM and Finnair from St. Louis to Frankfurt am Main to help guide your decision. You can also see how each airline compares 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 Frankfurt am Main. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly from for flights from St. Louis to Frankfurt am Main?

What are the cheapest airlines flying from St. Louis to Frankfurt am Main round-trip?

What are the cheapest airlines to fly from St. Louis to Frankfurt am Main one-way?

What are the cheapest flights from St. Louis to Frankfurt am Main?

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

How can I find direct flights from St. Louis to Frankfurt am Main?

Can I find deals for business class flights from St. Louis to Frankfurt am Main?

What is the cheapest month to book a flight from St. Louis to Frankfurt am Main?

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 Frankfurt am Main

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

Top 7 airlines flying from St. Louis to Frankfurt am Main

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from St. Louis to Frankfurt am Main
Explore the most affordable flight options available from St. Louis to Frankfurt am Main. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 24, 2025.