Cheap flights from Portsmouth to Mainz

View AU$284 flight on Sun, 2 Nov. 2025Opens in a new window

Popular airlines from Portsmouth to Mainz

  • 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 35% 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 Portsmouth (BOS) to Mainz (FRA)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

TAP Portugal
Thu, 13 Nov. - Thu, 27 Nov.
BOS
Boston
FRA
Frankfurt
AU$837 Return, found 6 days ago
AU$837
Return
found 6 days ago
Select TAP Portugal flight, departing Thu, 13 Nov. from Boston to Frankfurt, returning Thu, 27 Nov., priced at AU$837 found 6 days ago
Aer Lingus
Sun, 31 Aug. - Tue, 16 Sep.
BOS
Boston
FRA
Frankfurt
AU$945 Return, found 21 hours ago
AU$945
Return
found 21 hours ago
Select Aer Lingus flight, departing Sun, 31 Aug. from Boston to Frankfurt, returning Tue, 16 Sep., priced at AU$945 found 21 hours ago
Icelandair
Thu, 13 Nov. - Thu, 27 Nov.
BOS
Boston
FRA
Frankfurt
AU$987 Return, found 6 days ago
AU$987
Return
found 6 days ago
Select Icelandair flight, departing Thu, 13 Nov. from Boston to Frankfurt, returning Thu, 27 Nov., priced at AU$987 found 6 days ago
Condor
Sun, 31 Aug. - Tue, 16 Sep.
BOS
Boston
FRA
Frankfurt
AU$1,003 Return, found 21 hours ago
AU$1,003
Return
found 21 hours ago
Select Condor flight, departing Sun, 31 Aug. from Boston to Frankfurt, returning Tue, 16 Sep., priced at AU$1,003 found 21 hours ago
United
Thu, 13 Nov. - Thu, 27 Nov.
BOS
Boston
FRA
Frankfurt
AU$1,082 Return, found 6 days ago
AU$1,082
Return
found 6 days ago
Select United flight, departing Thu, 13 Nov. from Boston to Frankfurt, returning Thu, 27 Nov., priced at AU$1,082 found 6 days ago
Air Canada
Thu, 13 Nov. - Thu, 27 Nov.
BOS
Boston
FRA
Frankfurt
AU$1,082 Return, found 6 days ago
AU$1,082
Return
found 6 days ago
Select Air Canada flight, departing Thu, 13 Nov. from Boston to Frankfurt, returning Thu, 27 Nov., priced at AU$1,082 found 6 days ago

Find the cheapest month to fly from Boston (BOS) to Frankfurt (FRA)

May is typically the cheapest month to fly

From AU$537 - AU$1,077 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.