Cheap flights from Atlanta to Tras-os-Montes

View AU$740 flight on Thu, 23 Oct. 2025Opens in a new window

Popular airlines from Atlanta to Tras-os-Montes

  • Jetstar

    Jetstar

  • Qantas Airways

    Qantas Airways

  • Virgin Australia

    Virgin Australia

  • Scoot

    Scoot

  • American Airlines

    American Airlines

  • Emirates

    Emirates

  • United

    United

  • 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 Atlanta (ATL) to Tras-os-Montes (OPO)

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.

Turkish Airlines
Thu, 23 Oct. - Mon, 27 Oct.
ATL
Atlanta
OPO
Porto
AU$1,136 Return, found 18 hours ago
AU$1,136
Return
found 18 hours ago
Select Turkish Airlines flight, departing Thu, 23 Oct. from Atlanta to Porto, returning Mon, 27 Oct., priced at AU$1,136 found 18 hours ago
United
Thu, 23 Oct. - Mon, 27 Oct.
ATL
Atlanta
OPO
Porto
AU$1,172 Return, found 18 hours ago
AU$1,172
Return
found 18 hours ago
Select United flight, departing Thu, 23 Oct. from Atlanta to Porto, returning Mon, 27 Oct., priced at AU$1,172 found 18 hours ago
United
Thu, 23 Oct. - Mon, 27 Oct.
ATL
Atlanta
OPO
Porto
AU$1,213 Return, found 18 hours ago
AU$1,213
Return
found 18 hours ago
Select United flight, departing Thu, 23 Oct. from Atlanta to Porto, returning Mon, 27 Oct., priced at AU$1,213 found 18 hours ago
Delta
Thu, 23 Oct. - Mon, 27 Oct.
ATL
Atlanta
OPO
Porto
AU$1,323 Return, found 18 hours ago
AU$1,323
Return
found 18 hours ago
Select Delta flight, departing Thu, 23 Oct. from Atlanta to Porto, returning Mon, 27 Oct., priced at AU$1,323 found 18 hours ago
KLM
Thu, 23 Oct. - Mon, 27 Oct.
ATL
Atlanta
OPO
Porto
AU$1,324 Return, found 18 hours ago
AU$1,324
Return
found 18 hours ago
Select KLM flight, departing Thu, 23 Oct. from Atlanta to Porto, returning Mon, 27 Oct., priced at AU$1,324 found 18 hours ago
Lufthansa
Thu, 23 Oct. - Mon, 27 Oct.
ATL
Atlanta
OPO
Porto
AU$1,368 Return, found 18 hours ago
AU$1,368
Return
found 18 hours ago
Select Lufthansa flight, departing Thu, 23 Oct. from Atlanta to Porto, returning Mon, 27 Oct., priced at AU$1,368 found 18 hours ago
*Available to Expedia members.