Cheap flights from St. Louis to Ahr - Middle Rhine from CA $569

View CA $569 flight on Wed, Dec. 31, 2025Opens in a new window

Popular airlines from St. Louis to Ahr - Middle Rhine

  • Air Canada

    Air Canada

  • WestJet

    WestJet

  • Flair Airlines

    Flair Airlines

  • American Airlines

    American Airlines

  • United

    United

  • Delta

    Delta

  • Porter Airlines

    Porter Airlines

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • payments icon

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap flights from St. Louis (STL) to Ahr - Middle Rhine (FRA)

Prices were available within the past 7 days and start at CA $569 for one-way flights and CA $931 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Fri, Aug. 22 - Thu, Aug. 28
STL
St. Louis
FRA
Frankfurt
CA $931 Roundtrip, found 2 days ago
CA $931
Roundtrip
found 2 days ago
Select American Airlines flight, departing Fri, Aug. 22 from St. Louis to Frankfurt, returning Thu, Aug. 28, priced at CA $931 found 2 days ago
British Airways
Fri, Aug. 22 - Thu, Aug. 28
STL
St. Louis
FRA
Frankfurt
CA $937 Roundtrip, found 2 days ago
CA $937
Roundtrip
found 2 days ago
Select British Airways flight, departing Fri, Aug. 22 from St. Louis to Frankfurt, returning Thu, Aug. 28, priced at CA $937 found 2 days ago
British Airways
Sun, Aug. 17 - Sun, Aug. 31
STL
St. Louis
FRA
Frankfurt
CA $951 Roundtrip, found 3 days ago
CA $951
Roundtrip
found 3 days ago
Select British Airways flight, departing Sun, Aug. 17 from St. Louis to Frankfurt, returning Sun, Aug. 31, priced at CA $951 found 3 days ago
Air Canada
Fri, Aug. 22 - Thu, Aug. 28
STL
St. Louis
FRA
Frankfurt
CA $1,129 Roundtrip, found 2 days ago
CA $1,129
Roundtrip
found 2 days ago
Select Air Canada flight, departing Fri, Aug. 22 from St. Louis to Frankfurt, returning Thu, Aug. 28, priced at CA $1,129 found 2 days ago
Lufthansa
Fri, Aug. 22 - Thu, Aug. 28
STL
St. Louis
FRA
Frankfurt
CA $1,136 Roundtrip, found 2 days ago
CA $1,136
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Fri, Aug. 22 from St. Louis to Frankfurt, returning Thu, Aug. 28, priced at CA $1,136 found 2 days ago
Virgin Atlantic
Sun, Aug. 17 - Sun, Aug. 31
STL
St. Louis
FRA
Frankfurt
CA $1,151 Roundtrip, found 3 days ago
CA $1,151
Roundtrip
found 3 days ago
Select Virgin Atlantic flight, departing Sun, Aug. 17 from St. Louis to Frankfurt, returning Sun, Aug. 31, priced at CA $1,151 found 3 days ago
*Available to Expedia members.