- Frankfurt (FRA)Riga (RIX)- non-stop flights:
- 1–2 per day
- flight duration:
- at least
 - Sun
- Mon
- Tue
- Wed
- Thu
- Fri
- Sat
 from $212- number of non-stop flights per airline and day of the week - Sun - Mon - Tue - Wed - Thu - Fri - Sat  - 2 - 1–2 - 1–2 - 1–2 - 2 - 2 - 2 
- Dusseldorf (DUS)Riga (RIX)- non-stop flights:
- only flights with stopover
- flight duration:
- at least
 - Sun
- Mon
- Tue
- Wed
- Thu
- Fri
- Sat
 from $105



