Flights from Washington, D.C. to Porto from USD 836

Promo Code

Flights from Washington, D.C. to Porto

Try alternate month or interact with individual days below in order to find offers.
Apr 2026
Try another month to see offers
May 2026
FromUSD 836*
Viewed 21 hours ago
Flight Type Round Trip|Economy
Jun 2026
FromUSD 1,264*
Viewed 1 day ago
Flight Type Round Trip|Economy
USD 836
Displaying fares for April-2026
  • 15

    We

    APR

  • 16

    Th

  • 17

    Fr

  • 18

    Sa

  • 19

    Su

  • 20

    Mo

  • 21

    Tu

  • 22

    We

  • 23

    Th

  • 24

    Fr

  • 25

    Sa

  • 26

    Su

  • 27

    Mo

  • 28

    Tu

  • 29

    We

  • 30

    Th

  • 01

    Fr

    MAY

  • 02

    Sa

  • 03

    Su

  • 04

    Mo

  • 05

    Tu

  • 06

    We

  • 07

    Th

  • 08

    Fr

  • 09

    Sa

  • 10

    Su

  • 11

    Mo

  • 12

    Tu

  • 13

    We

  • 14

    Th

    • RangeUSD 836-USD 870

    *The fares shown have been updated in the last 48 hours and may no longer be available at the time of booking. Additional fees and charges may apply for optional products and services.

    Best Flight Deals from Washington, D.C. to Porto

    USD
    keyboard_arrow_down
    Best Flight Deals from Washington, D.C. to Porto
    From
    To
    Fare Type
    Dates
    Price
    Washington, D.C. (IAD)Porto (OPO)Round trip
    |
    Economy    		04/08/2026 - 19/08/2026

    From

    USD 996

    Viewed 9 hours ago

    Washington, D.C. (IAD)Porto (OPO)Round trip
    |
    Economy    		16/10/2026 - 20/10/2026

    From

    USD 841

    Viewed 20 hours ago

    Washington, D.C. (IAD)Porto (OPO)Round trip
    |
    Economy    		19/09/2026 - 05/10/2026

    From

    USD 871

    Viewed 1 day ago

    Washington, D.C. (IAD)Porto (OPO)Round trip
    |
    Economy    		19/09/2026 - 06/10/2026

    From

    USD 871

    Viewed 1 day ago

    Washington, D.C. (IAD)Porto (OPO)Round trip
    |
    Economy    		07/08/2026 - 29/08/2026

    From

    USD 1,009

    Viewed 1 day ago

    *The fares shown have been updated in the last 48 hours and may no longer be available at the time of booking. Additional fees and charges may apply for optional products and services.

    Business Flights Deals

    USD

    Washington, D.C. (IAD)to

    Porto (OPO)
    15/06/2026 - 01/07/2026

    Round trip

    Business

    From
    USD 5,396
    Viewed 1 day ago

    Washington, D.C. (IAD)to

    Porto (OPO)
    05/07/2026 - 30/07/2026

    Round trip

    Business

    From
    USD 5,396
    Viewed 1 day ago

    *The fares shown have been updated in the last 48 hours and may no longer be available at the time of booking. Additional fees and charges may apply for optional products and services.

    See More TAP Air Portugal Flights

    Explore TAP's Top-Pick Destinations