AirHint found the following cheapest return flights from Boston (BOS) to Frankfurt (FRA)
in May 2025 (see full year ).
Return flights
04 May
- 09 May
Condor
330 €
direct
11 May
- 15 May
Condor
333 €
direct
11 May
- 18 May
Condor
380 €
direct
11 May
- 03 Jun
Condor
429 €
direct
09 May
- 23 May
Condor
448 €
direct
01 May
- 18 May
Condor
457 €
direct
01 May
- 12 May
Condor
457 €
direct
01 May
- 11 May
Condor
457 €
direct
26 May
- 08 Jun
Condor
520 €
direct
28 May
- 03 Jun
Condor
524 €
direct
20 May
- 31 May
Condor
526 €
direct
21 May
- 28 May
Condor
540 €
direct
25 May
- 31 May
Condor
570 €
direct
27 May
- 10 Jun
Condor
571 €
direct
30 May
- 13 Jun
Condor
571 €
direct
26 May
- 02 Jun
Condor
580 €
direct
31 May
- 08 Jun
Condor
625 €
direct
31 May
- 18 Jun
Condor
628 €
direct
21 May
- 02 Jun
Condor
630 €
direct
23 May
- 01 Jun
Condor
650 €
direct
Also check the deals for one-way flights from Boston to Frankfurt in May .
The deals are updated regularly. The prices may go up as tickets are purchased by other travellers.
Only the cheapest flights are offered.
Select a price to book and secure these cheap prices.