$214+ Cheap flights from Washington, D.C. (WAS) to Portugal
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/24. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — LIS
Nov 13 — Nov 201
Round-trip
1 adult, Economy
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Find cheap flights from Washington, D.C. to Portugal with Cheapflights
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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Cheapest flights from Washington, D.C. to PortugalExplore the most affordable flight options available from Washington, D.C. to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 14, 2026.
Explore the most affordable flight options available from Washington, D.C. to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 14, 2026.
This Mytrip deal was found by Cheapflights users on 10/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/119:55 am -
3 stops24h 45m
Wed 11/184:30 pm -
3 stops32h 53m
Deal found 10/12![Multiple Airlines logo]()
$586
This Mytrip deal was found by Cheapflights users on 10/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/109:55 am -
3 stops32h 55m
Tue 11/176:05 am -
3 stops19h 18m
Deal found 10/13![Multiple Airlines logo]()
$601
This Mytrip deal was found by Cheapflights users on 10/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/89:05 am -
3 stops25h 35m
Tue 12/154:30 pm -
3 stops32h 35m
Deal found 10/13![Multiple Airlines logo]()
$615
This FlightHub deal was found by Cheapflights users on 10/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/97:40 pm -
1 stop12h 05m
Tue 11/171:55 pm -
1 stop33h 45m
Deal found 10/9![Icelandair logo]()
$641
This Booking.com deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/39:55 am -
2 stops18h 40m
Wed 11/118:00 pm -
3 stops29h 23m
Deal found 10/11![Multiple Airlines logo]()
$651
This Justfly.com deal was found by Cheapflights users on 10/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/145:25 pm -
1 stop18h 10m
Mon 11/306:00 pm -
1 stop25h 40m
Deal found 10/10![TAP AIR PORTUGAL logo]()
$652
This Kiwi.com deal was found by Cheapflights users on 10/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/249:35 pm -
1 stop11h 55m
Mon 11/96:30 am -
2 stops37h 10m
Deal found 10/9![Multiple Airlines logo]()
$657
This Gotogate deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/27:40 pm -
1 stop12h 05m
Tue 11/101:55 pm -
1 stop33h 45m
Deal found 10/11![Icelandair logo]()
$660
This Kiwi.com deal was found by Cheapflights users on 10/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/249:35 pm -
1 stop11h 55m
Fri 11/66:15 am -
2 stops17h 50m
Deal found 10/12![Multiple Airlines logo]()
$665
This Mytrip deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/109:55 am -
3 stops29h 20m
Mon 11/164:10 am -
3 stops21h 13m
Deal found 10/11![Multiple Airlines logo]()
$670
This FlightHub deal was found by Cheapflights users on 10/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/47:40 pm -
1 stop12h 10m
Tue 11/101:55 pm -
1 stop33h 45m
Deal found 10/12![Icelandair logo]()
$674
This KAYAK deal was found by Cheapflights users on 10/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1110:30 pm -
1 stop14h 30m
Mon 1/114:00 pm -
1 stop27h 40m
Deal found 10/12![TAP AIR PORTUGAL logo]()
$678
Best flights from Washington, D.C. to PortugalDiscover carefully curated flight deals from Washington, D.C. to Portugal that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 14, 2026.
Discover carefully curated flight deals from Washington, D.C. to Portugal that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 14, 2026.
This United deal was found by Cheapflights users on 10/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/2010:10 pm -
1 stop31h 20m
Thu 3/256:00 am -
1 stop13h 35m
Deal found 10/10![Multiple Airlines logo]()
$724
This Delta deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/206:40 pm -
1 stop10h 55m
Wed 1/2711:15 am -
2 stops18h 05m
Deal found 10/11![Delta logo]()
$724
This United Airlines deal was found by Cheapflights users on 10/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected ” under the list of providers to see comparable flight deals.
Mon 2/15:30 pm -
1 stop16h 55m
Thu 2/46:00 am -
1 stop19h 05m
Deal found 10/13![United Airlines logo]()
$727
This Booking.com deal was found by Cheapflights users on 10/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1110:30 pm -
1 stop29h 40m
Wed 11/186:30 am -
1 stop18h 00m
Deal found 10/12![TAP AIR PORTUGAL logo]()
$747
This KLM deal was found by Cheapflights users on 10/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/812:35 pm -
2 stops15h 55m
Tue 12/152:40 pm -
1 stop30h 15m
Deal found 10/13![KLM logo]()
$754
This Turkish Airlines deal was found by Cheapflights users on 10/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/219:20 pm -
1 stop36h 50m
Sun 1/2411:35 am -
1 stop29h 10m
Deal found 10/13![Turkish Airlines logo]()
$872
This British Airways deal was found by Cheapflights users on 10/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/301:29 pm -
1 stop15h 36m
Fri 11/611:05 am -
1 stop14h 54m
Deal found 10/9![British Airways logo]()
$899
This Virgin Atlantic deal was found by Cheapflights users on 10/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1612:00 pm -
2 stops16h 00m
Thu 12/2411:15 am -
2 stops16h 54m
Deal found 10/9![Virgin Atlantic logo]()
$1,256
This FlightHub deal was found by Cheapflights users on 10/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/31:00 pm -
1 stop13h 20m
Thu 12/105:50 pm -
1 stop18h 01m
Deal found 10/9![Multiple Airlines logo]()
$748
This Gotogate deal was found by Cheapflights users on 10/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/35:25 pm -
1 stop10h 45m
Thu 12/107:25 pm -
1 stop29h 05m
Deal found 10/9![TAP AIR PORTUGAL logo]()
$752
This Delta deal was found by Cheapflights users on 10/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/2611:05 am -
2 stops18h 30m
Wed 3/35:00 am -
1 stop15h 55m
Deal found 10/12![Delta logo]()
$768
This KLM deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/36:30 pm -
2 stops14h 20m
Wed 3/172:40 pm -
2 stops30h 50m
Deal found 10/11![KLM logo]()
$768
This United Airlines deal was found by Cheapflights users on 10/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2610:05 am -
1 stop18h 25m
Thu 12/36:00 am -
2 stops20h 57m
Deal found 10/12![United Airlines logo]()
$779
This Mytrip deal was found by Cheapflights users on 10/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1111:05 am -
3 stops32h 40m
Wed 11/187:25 pm -
3 stops30h 34m
Deal found 10/12![Multiple Airlines logo]()
$750
This Delta deal was found by Cheapflights users on 10/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/11:00 pm -
2 stops16h 35m
Sun 2/285:00 am -
1 stop15h 40m
Deal found 10/9![Delta logo]()
$769
This KLM deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/33:30 pm -
2 stops17h 20m
Wed 3/1710:40 am -
2 stops26h 36m
Deal found 10/11![KLM logo]()
$769
This Turkish Airlines deal was found by Cheapflights users on 10/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/29:45 pm -
1 stop37h 05m
Sat 4/106:00 am -
1 stop34h 30m
Deal found 10/9![Turkish Airlines logo]()
$882
This United Airlines deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/2010:10 pm -
1 stop31h 20m
Sat 3/2712:30 pm -
1 stop30h 35m
Deal found 10/11![United Airlines logo]()
$806
This British Airways deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/291:29 pm -
1 stop15h 36m
Wed 11/411:05 am -
1 stop11h 14m
Deal found 10/11![British Airways logo]()
$899
This Gotogate deal was found by Cheapflights users on 10/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/305:25 pm -
1 stop24h 30m
Mon 12/74:10 am -
1 stop15h 30m
Deal found 10/9![TAP AIR PORTUGAL logo]()
$829
This Delta deal was found by Cheapflights users on 10/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/247:20 pm -
1 stop31h 55m
Fri 11/65:00 am -
2 stops23h 07m
Deal found 10/10![Delta logo]()
$773
This Mytrip deal was found by Cheapflights users on 10/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/89:05 am -
3 stops34h 40m
Tue 12/157:25 pm -
3 stops28h 40m
Deal found 10/12![Multiple Airlines logo]()
$797
This KLM deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/106:30 pm -
2 stops58h 05m
Wed 1/2010:25 am -
2 stops18h 55m
Deal found 10/11![KLM logo]()
$808
This United Airlines deal was found by Cheapflights users on 10/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/2512:36 pm -
1 stop15h 34m
Wed 11/45:00 am -
1 stop14h 35m
Deal found 10/10![United Airlines logo]()
$826
This Delta deal was found by Cheapflights users on 10/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1312:35 pm -
2 stops17h 00m
Fri 11/275:00 am -
1 stop15h 55m
Deal found 10/13![Delta logo]()
$774
This Booking.com deal was found by Cheapflights users on 10/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/110:30 pm -
1 stop21h 15m
Thu 11/57:25 pm -
1 stop29h 05m
Deal found 10/9![TAP AIR PORTUGAL logo]()
$910
This KAYAK deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/73:54 pm -
1 stop10h 26m
Sat 11/145:50 pm -
1 stop19h 58m
Deal found 10/11![Multiple Airlines logo]()
$835
This KLM deal was found by Cheapflights users on 10/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/2412:35 pm -
2 stops15h 55m
Tue 12/12:40 pm -
2 stops30h 43m
Deal found 10/9![KLM logo]()
$841
This United Airlines deal was found by Cheapflights users on 10/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/284:00 pm -
1 stop10h 55m
Wed 11/410:15 am -
1 stop11h 13m
Deal found 10/9![United Airlines logo]()
$848
This British Airways deal was found by Cheapflights users on 10/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/136:55 pm -
1 stop12h 10m
Wed 1/67:05 am -
1 stop15h 00m
Deal found 10/10![British Airways logo]()
$1,069
Last-minute flights from Washington, D.C. to PortugalDiscover last-minute flight deals from Washington, D.C. to Portugal. Data last updated October 14, 2026 and is based on user searches.
Discover last-minute flight deals from Washington, D.C. to Portugal. Data last updated October 14, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 10/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/249:35 pm -
1 stop11h 55m
Mon 11/96:30 am -
2 stops37h 10m
Deal found 10/9![Multiple Airlines logo]()
$657
This Kiwi.com deal was found by Cheapflights users on 10/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/249:35 pm -
1 stop11h 55m
Fri 11/66:15 am -
2 stops17h 50m
Deal found 10/12![Multiple Airlines logo]()
$665
This Rumbo deal was found by Cheapflights users on 10/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3011:30 pm -
1 stop14h 30m
Tue 11/175:00 am -
1 stop14h 40m
Deal found 10/12![TAP AIR PORTUGAL logo]()
$682
This Gotogate deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/27:40 pm -
1 stop12h 05m
Tue 11/101:55 pm -
1 stop33h 45m
Deal found 10/11![Icelandair logo]()
$660
This Booking.com deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/39:55 am -
2 stops18h 40m
Wed 11/118:00 pm -
3 stops29h 23m
Deal found 10/11![Multiple Airlines logo]()
$651
This FlightHub deal was found by Cheapflights users on 10/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/47:40 pm -
1 stop12h 10m
Tue 11/101:55 pm -
1 stop33h 45m
Deal found 10/12![Icelandair logo]()
$674
This FlightHub deal was found by Cheapflights users on 10/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/97:40 pm -
1 stop12h 05m
Tue 11/171:55 pm -
1 stop33h 45m
Deal found 10/9![Icelandair logo]()
$641
This Mytrip deal was found by Cheapflights users on 10/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/109:55 am -
3 stops32h 55m
Tue 11/176:05 am -
3 stops19h 18m
Deal found 10/13![Multiple Airlines logo]()
$601
This Mytrip deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/109:55 am -
3 stops29h 20m
Mon 11/164:10 am -
3 stops21h 13m
Deal found 10/11![Multiple Airlines logo]()
$670
This Mytrip deal was found by Cheapflights users on 10/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/119:55 am -
3 stops24h 45m
Wed 11/184:30 pm -
3 stops32h 53m
Deal found 10/12![Multiple Airlines logo]()
$586
This Justfly.com deal was found by Cheapflights users on 10/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/145:25 pm -
1 stop18h 10m
Mon 11/306:00 pm -
1 stop25h 40m
Deal found 10/10![TAP AIR PORTUGAL logo]()
$652
This Mytrip deal was found by Cheapflights users on 10/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/259:55 am -
3 stops30h 55m
Wed 12/211:10 am -
3 stops34h 50m
Deal found 10/13![Multiple Airlines logo]()
$690
One-way flights from Washington, D.C. to PortugalSearch for one-way flight options from Washington, D.C. to Portugal. Find affordable one-way fares based on user searches. Data last updated October 14, 2026.
Search for one-way flight options from Washington, D.C. to Portugal. Find affordable one-way fares based on user searches. Data last updated October 14, 2026.
This Booking.com deal was found by Cheapflights users on 10/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/249:35 pm -
Nonstop7h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/13![TAP AIR PORTUGAL logo]()
$214
This Kiwi.com deal was found by Cheapflights users on 10/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/249:35 pm -
2 stops33h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/12![Multiple Airlines logo]()
$290
This Kiwi.com deal was found by Cheapflights users on 10/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/249:35 pm -
1 stop32h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/12![TAP AIR PORTUGAL logo]()
$305
This Mytrip deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/159:10 pm -
1 stop17h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/11![SWISS logo]()
$326
This Kiwi.com deal was found by Cheapflights users on 10/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/410:30 pm -
3 stops44h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/10![Multiple Airlines logo]()
$328
This Kiwi.com deal was found by Cheapflights users on 10/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/2311:20 am -
2 stops15h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/10![Porter Airlines logo]()
$333
This Kiwi.com deal was found by Cheapflights users on 10/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/35:15 pm -
1 stop23h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/13![Multiple Airlines logo]()
$334
This Kiwi.com deal was found by Cheapflights users on 10/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/1510:30 pm -
3 stops39h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/10![Multiple Airlines logo]()
$337
This Kiwi.com deal was found by Cheapflights users on 10/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/88:50 pm -
1 stop18h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/13![Multiple Airlines logo]()
$338
This Kiwi.com deal was found by Cheapflights users on 10/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/85:25 pm -
3 stops40h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/13![Multiple Airlines logo]()
$339
This Kiwi.com deal was found by Cheapflights users on 10/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/237:40 pm -
3 stops35h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/12![Multiple Airlines logo]()
$339
This Kiwi.com deal was found by Cheapflights users on 10/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/237:40 pm -
3 stops35h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/12![Multiple Airlines logo]()
$339
Find flight deals from Washington, D.C. to Portugal
Keep the following information in mind while searching for Washington, D.C. to Portugal flight deals. Data was last updated October 14, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $586 (Mytrip) |
One-way from | $214 (Booking.com) |
Popular in | June |
Cheapest in | January |
Average price | $875 |
Good round-trip deal | $722 or less |
Good one-way deal | $489 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Washington, D.C. to Portugal that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 14, 2026.
Use the filters below to find and compare flights from Washington, D.C. to Portugal that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Washington, D.C.Porto
IAD Washington, D.C. Dulles Intl - OPO Porto
IADOPO
Washington, D.C. Dulles Intl
Mon 3/15
1:00 pm-10:35 am
2 stops17h 35m
Porto
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$339
Washington, D.C.Lisbon
IAD Washington, D.C. Dulles Intl - LIS Lisbon Humberto Delgado
IADLIS
Washington, D.C. Dulles Intl
Tue 2/23
5:15 pm-7:55 pm
1 stop21h 40m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$345
Washington, D.C.Porto
IAD Washington, D.C. Dulles Intl - OPO Porto
IADOPO
Washington, D.C. Dulles Intl
Tue 11/24
7:40 pm-8:35 am
2 stops31h 55m
Porto
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$354
Washington, D.C.Porto
IAD Washington, D.C. Dulles Intl - OPO Porto
IADOPO
Washington, D.C. Dulles Intl
Sun 11/15
8:50 pm-8:40 am
1 stop30h 50m
Porto
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$358
Washington, D.C.Lisbon
IAD Washington, D.C. Dulles Intl - LIS Lisbon Humberto Delgado
IADLIS
Washington, D.C. Dulles Intl
Tue 10/27
8:40 pm-11:50 am
3 stops35h 10m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$372
BaltimoreLisbon
BWI Baltimore/Washington - LIS Lisbon Humberto Delgado
BWILIS
Baltimore/Washington
Thu 11/26
7:40 pm-9:10 pm
2 stops44h 30m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$385
Washington, D.C.Ponta Delgada
IAD Washington, D.C. Dulles Intl - PDL Ponta Delgada Nordela
IADPDL
Washington, D.C. Dulles Intl
Mon 11/9
8:50 pm-8:20 am
2 stops55h 30m
Ponta Delgada Nordela
Wed 12/31
12:00 am-8:00 pm
Nonstop0h 00m
$391
Washington, D.C.Ponta Delgada
DCA Washington, D.C. Reagan-National - PDL Ponta Delgada Nordela
DCAPDL
Washington, D.C. Reagan-National
Mon 11/9
7:56 pm-6:20 am
1 stop30h 24m
Ponta Delgada Nordela
Wed 12/31
12:00 am-8:00 pm
Nonstop0h 00m
$407
Washington, D.C.Funchal
IAD Washington, D.C. Dulles Intl - FNC Funchal Madeira
IADFNC
Washington, D.C. Dulles Intl
Sat 10/31
7:52 am-2:15 pm
3 stops26h 23m
Funchal Madeira
Wed 12/31
12:00 am-7:00 pm
Nonstop0h 00m
$410
Washington, D.C.Porto
IAD Washington, D.C. Dulles Intl - OPO Porto
IADOPO
Washington, D.C. Dulles Intl
Sun 11/1
6:40 pm-10:35 am
1 stop10h 55m
Porto
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$496
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Washington, D.C. to Portugal
Have a flexible travel schedule? Discover the best time to fly to Portugal from Washington, D.C. with our price prediction graph.
IAD-OPO
IAD-LIS
DCA-OPO
BWI-LIS
IAD-FNC
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Washington, D.C. to Portugal
WAS-PT0
IAD-OPO
IAD-LIS
DCA-OPO
BWI-LIS
What is the cheapest month to book a flight from Washington, D.C. to Portugal?
Currently, January is the cheapest month in which you can book a flight from Washington, D.C. to Portugal (average of $679). Flying from Washington, D.C. to Portugal in June is currently the most expensive (average of $1,355). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from WAS to PT?
Find hourly flight availability from Washington, D.C. to Portugal. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 14, 2026.
When flying from Washington, D.C. to Portugal, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Weekly flight availability from Washington, D.C. to Portugal
Explore weekly flight availability from Washington, D.C. to Portugal. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated October 14, 2026.
The most flights from WAS to PT0 are scheduled on a Monday (8 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (1 on average).
How often are flights from Washington, D.C. to Portugal delayed?
About 21% of weekly flights between Washington, D.C. and Portugal have experienced delays in the past year, with the average delay time being 153 minutes.
What is the most punctual flight time for Washington, D.C. to Portugal flights?
Historically, flights departing in the evening are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Saturday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Washington, D.C. to Portugal flights?
Over the last year, TAP AIR PORTUGAL have had the lowest number of delays on this route, with just 17% of flights being delayed.
How far ahead should I book a flight from Washington, D.C. to Portugal?
Booking 85 days in advance of your planned departure date is, on average, the best time to get cheap flights from Washington, D.C. to Portugal. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Reviews of airlines servicing Portugal
Get insights into the airlines that provide service to Portugal. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Portugal. Reviews last updated October 14, 2026.
Read reviews from past customers who have flown United Airlines,TAP AIR PORTUGAL, andJetBlue from Washington, D.C. to Portugal. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.1
Overall
7.4
Boarding
7.7
Comfort
7.3
Food
6.7
Entertainment
7.1
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
IAD - TYS
Crew
8.1
Overall
7.4
Boarding
7.7
Comfort
7.3
Food
6.7
Entertainment
7.1
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
IAD - TYS
Crew
8.1
Overall
7.4
Boarding
7.7
Comfort
7.3
Food
6.7
Entertainment
7.1
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
IAD - TYS
Crew
8.1
Overall
7.4
Boarding
7.7
Comfort
7.3
Food
6.7
Entertainment
7.1
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
IAD - TYS
Crew
8.1
Overall
7.4
Boarding
7.7
Comfort
7.3
Food
6.7
Entertainment
7.1
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
IAD - TYS
Crew
8.1
Overall
7.4
Boarding
7.7
Comfort
7.3
Food
6.7
Entertainment
7.1
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
IAD - TYS
Related info for your journey
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Alternative routes for Washington, D.C. to Portugal
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Complete your trip
Complete your trip to Portugal by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Washington, D.C. to Portugal by cabin class
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Washington, D.C. and Portugal flights
Browse other Washington, D.C. and Portugal flight options. Last updated on October 14, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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Top 10 airlines flying from Washington, D.C. to Portugal
Discover the top 10 airlines that operate flights from Washington, D.C. to Portugal. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 14, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$477 | Average$1,194 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$481 | Average$599 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$504 | Average$1,002 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$514 | Average$1,110 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$543 | Average$1,288 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$544 | Average$723 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$591 | Average$677 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$613 | Average$1,180 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$642 | Average$1,310 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$719 | Average$1,367 | FlexibilityNo cancel fee | On-time70% |