$346+ Cheap flights from Baltimore (BWI) to Portugal
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/10. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — LIS
Jun 18 — Jun 251
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Baltimore to Portugal with Cheapflights
1. Tell us where you want to go
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Baltimore to Portugal
Cheapest
Best
Last-minute
One-way
Cheapest flights from Baltimore to PortugalExplore the most affordable flight options available from Baltimore to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 19, 2026.
Explore the most affordable flight options available from Baltimore to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 19, 2026.
This eDestinos deal was found by Cheapflights users on 5/13. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/71:00 pm
BWI
- LIS
2 stops22h 05m
Scandinavian Airlines
Sun 11/154:55 pm
LIS
- BWI
2 stops34h 42m
Scandinavian Airlines
Deal found 5/13![Scandinavian Airlines logo]()
$708
This United Airlines deal was found by Cheapflights users on 5/14. 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 12/610:45 am
BWI
- OPO
2 stops17h 45m
United Airlines
Wed 12/912:35 pm
OPO
- BWI
2 stops17h 03m
United Airlines
Deal found 5/14![United Airlines logo]()
$755
This FlightHub deal was found by Cheapflights users on 5/14. 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 11/22:10 pm
BWI
- LIS
2 stops20h 55m
Scandinavian Airlines
Tue 11/104:55 pm
LIS
- BWI
2 stops34h 42m
Scandinavian Airlines
Deal found 5/14![Scandinavian Airlines logo]()
$770
This KAYAK deal was found by Cheapflights users on 5/16. 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.
Mon 11/22:10 pm
BWI
- LIS
2 stops26h 30m
Multiple Airlines
Wed 11/117:05 am
LIS
- BWI
2 stops20h 32m
Multiple Airlines
Deal found 5/16![Multiple Airlines logo]()
$772
This FlightHub deal was found by Cheapflights users on 5/15. 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 11/24:39 pm
BWI
- LIS
2 stops18h 26m
Multiple Airlines
Mon 11/167:05 am
LIS
- BWI
2 stops20h 10m
Multiple Airlines
Deal found 5/15![Multiple Airlines logo]()
$775
This Mytrip deal was found by Cheapflights users on 5/14. 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.
Fri 11/137:40 pm
BWI
- LIS
3 stops31h 50m
Multiple Airlines
Mon 11/3010:00 pm
LIS
- BWI
2 stops25h 40m
Multiple Airlines
Deal found 5/14![Multiple Airlines logo]()
$780
This Travelocity deal was found by Cheapflights users on 5/16. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/79:00 am
BWI
- OPO
2 stops26h 45m
Scandinavian Airlines
Sun 11/155:35 pm
OPO
- BWI
2 stops35h 36m
Scandinavian Airlines
Deal found 5/16![Scandinavian Airlines logo]()
$781
This United Airlines deal was found by Cheapflights users on 5/17. 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.
Tue 9/226:00 am
BWI
- OPO
2 stops20h 00m
United Airlines
Thu 10/111:50 am
OPO
- BWI
2 stops34h 23m
United Airlines
Deal found 5/17![United Airlines logo]()
$794
This Mytrip deal was found by Cheapflights users on 5/18. 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 11/237:40 pm
BWI
- LIS
2 stops17h 05m
Multiple Airlines
Wed 12/29:05 am
LIS
- BWI
3 stops38h 35m
Multiple Airlines
Deal found 5/18![Multiple Airlines logo]()
$795
This United Airlines deal was found by Cheapflights users on 5/17. 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 11/58:15 am
BWI
- OPO
2 stops20h 15m
United Airlines
Tue 11/1012:30 pm
OPO
- BWI
2 stops17h 08m
United Airlines
Deal found 5/17![United Airlines logo]()
$796
This Mytrip deal was found by Cheapflights users on 5/17. 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 11/257:40 pm
BWI
- LIS
3 stops31h 50m
Multiple Airlines
Mon 11/3010:00 pm
LIS
- BWI
2 stops25h 40m
Multiple Airlines
Deal found 5/17![Multiple Airlines logo]()
$797
This British Airways deal was found by Cheapflights users on 5/13. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1910:50 am
BWI
- OPO
2 stops15h 50m
Multiple Airlines
Tue 10/278:40 pm
OPO
- BWI
2 stops26h 46m
Multiple Airlines
Deal found 5/13![Multiple Airlines logo]()
$798
Best flights from Baltimore to PortugalDiscover carefully curated flight deals from Baltimore to Portugal that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 19, 2026.
Discover carefully curated flight deals from Baltimore to Portugal that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 19, 2026.
This United Airlines deal was found by Cheapflights users on 5/18. 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.
Tue 9/296:17 am
BWI
- OPO
2 stops19h 43m
United Airlines
Wed 10/76:00 am
OPO
- BWI
2 stops33h 19m
United Airlines
Deal found 5/18![United Airlines logo]()
$806
This Delta deal was found by Cheapflights users on 5/15. 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 10/162:10 pm
BWI
- OPO
2 stops15h 20m
Delta
Tue 10/205:00 am
OPO
- BWI
2 stops16h 48m
Delta
Deal found 5/15![Delta logo]()
$828
This KLM deal was found by Cheapflights users on 5/18. 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.
Mon 8/241:45 pm
BWI
- FAO
2 stops22h 40m
KLM
Mon 8/319:45 pm
FAO
- BWI
2 stops26h 07m
KLM
Deal found 5/18![KLM logo]()
$925
This Mytrip deal was found by Cheapflights users on 5/19. 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 6/88:30 pm
BWI
- FNC
2 stops17h 15m
Multiple Airlines
Mon 6/159:55 pm
FNC
- BWI
3 stops29h 20m
Multiple Airlines
Deal found 5/19![Multiple Airlines logo]()
$1,128
This oojo deal was found by Cheapflights users on 5/18. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/1310:33 am
BWI
- PDL
2 stops18h 32m
WestJet
Sat 7/1811:30 am
PDL
- BWI
2 stops15h 48m
WestJet
Deal found 5/18![WestJet logo]()
$1,327
This British Airways deal was found by Cheapflights users on 5/14. 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 10/189:35 pm
BWI
- FAO
1 stop16h 20m
British Airways
Mon 10/267:40 pm
FAO
- BWI
2 stops27h 46m
British Airways
Deal found 5/14![British Airways logo]()
$1,375
This United Airlines deal was found by Cheapflights users on 5/16. 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 8/86:15 am
BWI
- OPO
2 stops43h 40m
United Airlines
Wed 8/192:25 pm
OPO
- BWI
2 stops48h 24m
United Airlines
Deal found 5/16![United Airlines logo]()
$873
This Delta deal was found by Cheapflights users on 5/18. 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 8/32:18 pm
BWI
- OPO
2 stops15h 12m
Delta
Tue 8/115:00 am
OPO
- BWI
2 stops17h 47m
Delta
Deal found 5/18![Delta logo]()
$925
This United Airlines deal was found by Cheapflights users on 5/18. 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 7/126:15 am
BWI
- OPO
2 stops19h 40m
United Airlines
Wed 7/2211:20 am
OPO
- BWI
2 stops35h 16m
United Airlines
Deal found 5/18![United Airlines logo]()
$912
This Delta deal was found by Cheapflights users on 5/14. 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.
Tue 7/711:52 am
BWI
- OPO
2 stops17h 38m
Delta
Wed 7/155:00 am
OPO
- BWI
2 stops17h 42m
Delta
Deal found 5/14![Delta logo]()
$925
This KLM deal was found by Cheapflights users on 5/16. 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.
Fri 8/287:17 pm
BWI
- FAO
2 stops32h 13m
KLM
Wed 9/28:50 am
FAO
- BWI
2 stops18h 23m
KLM
Deal found 5/16![KLM logo]()
$1,024
This Virgin Atlantic deal was found by Cheapflights users on 5/16. 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.
Tue 6/302:10 pm
BWI
- LIS
2 stops15h 35m
Virgin Atlantic
Tue 7/712:45 pm
LIS
- BWI
2 stops16h 54m
Virgin Atlantic
Deal found 5/16![Virgin Atlantic logo]()
$2,051
This Delta deal was found by Cheapflights users on 5/15. 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.
Thu 9/1712:15 pm
BWI
- OPO
2 stops17h 15m
Delta
Mon 9/2111:25 am
OPO
- BWI
2 stops17h 51m
Delta
Deal found 5/15![Delta logo]()
$928
This KLM deal was found by Cheapflights users on 5/18. 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 6/307:38 pm
BWI
- FAO
2 stops20h 42m
KLM
Tue 7/79:10 pm
FAO
- BWI
2 stops25h 32m
KLM
Deal found 5/18![KLM logo]()
$1,105
This United Airlines deal was found by Cheapflights users on 5/18. 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 7/126:15 am
BWI
- OPO
2 stops19h 40m
United Airlines
Mon 7/279:00 am
OPO
- BWI
2 stops37h 36m
United Airlines
Deal found 5/18![United Airlines logo]()
$1,015
This Delta deal was found by Cheapflights users on 5/18. 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 7/106:22 pm
BWI
- OPO
2 stops16h 03m
Delta
Thu 7/165:00 am
OPO
- BWI
2 stops16h 41m
Delta
Deal found 5/18![Delta logo]()
$985
This British Airways deal was found by Cheapflights users on 5/17. 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.
Sat 8/19:30 pm
BWI
- LIS
1 stop13h 50m
British Airways
Mon 8/176:45 pm
LIS
- BWI
1 stop27h 30m
British Airways
Deal found 5/17![British Airways logo]()
$1,379
This British Airways deal was found by Cheapflights users on 5/17. 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.
Mon 8/39:30 pm
BWI
- FAO
1 stop12h 15m
Multiple Airlines
Thu 8/138:30 am
FAO
- BWI
2 stops18h 28m
Multiple Airlines
Deal found 5/17![Multiple Airlines logo]()
$1,416
This United Airlines deal was found by Cheapflights users on 5/14. 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 8/38:16 am
BWI
- FAO
2 stops20h 04m
United Airlines
Thu 8/1311:40 am
FAO
- BWI
2 stops27h 09m
United Airlines
Deal found 5/14![United Airlines logo]()
$1,082
This Delta deal was found by Cheapflights users on 5/18. 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.
Sun 7/510:36 am
BWI
- OPO
2 stops16h 54m
Delta
Sat 7/185:00 am
OPO
- BWI
2 stops19h 02m
Delta
Deal found 5/18![Delta logo]()
$995
This British Airways deal was found by Cheapflights users on 5/18. 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.
Mon 8/319:30 pm
BWI
- FNC
1 stop32h 50m
British Airways
Tue 9/812:20 pm
FNC
- BWI
1 stop33h 55m
British Airways
Deal found 5/18![British Airways logo]()
$1,442
This United Airlines deal was found by Cheapflights users on 5/14. 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 7/2210:32 am
BWI
- PDL
2 stops18h 08m
United Airlines
Wed 7/299:35 am
PDL
- BWI
2 stops36h 01m
United Airlines
Deal found 5/14![United Airlines logo]()
$1,094
This Delta deal was found by Cheapflights users on 5/15. 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 7/202:08 pm
BWI
- OPO
2 stops15h 22m
Delta
Sat 8/86:30 am
OPO
- BWI
2 stops17h 32m
Delta
Deal found 5/15![Delta logo]()
$1,002
This TAP AIR PORTUGAL deal was found by Cheapflights users on 5/14. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/196:40 am
BWI
- FNC
2 stops24h 00m
Multiple Airlines
Mon 10/264:10 am
FNC
- BWI
2 stops23h 49m
Multiple Airlines
Deal found 5/14![Multiple Airlines logo]()
$1,597
This United Airlines deal was found by Cheapflights users on 5/14. 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 7/206:15 am
BWI
- PDL
2 stops22h 25m
United Airlines
Wed 7/299:35 am
PDL
- BWI
2 stops36h 01m
United Airlines
Deal found 5/14![United Airlines logo]()
$1,094
This KLM deal was found by Cheapflights users on 5/16. 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 7/212:08 pm
BWI
- FNC
2 stops38h 07m
KLM
Sun 7/266:35 pm
FNC
- BWI
2 stops28h 07m
KLM
Deal found 5/16![KLM logo]()
$1,461
This United Airlines deal was found by Cheapflights users on 5/18. 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.
Tue 6/308:16 am
BWI
- PDL
2 stops20h 24m
United Airlines
Wed 7/89:35 am
PDL
- BWI
2 stops32h 22m
United Airlines
Deal found 5/18![United Airlines logo]()
$1,094
This British Airways deal was found by Cheapflights users on 5/18. 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.
Mon 7/209:30 pm
BWI
- LIS
1 stop15h 25m
British Airways
Sun 8/97:20 am
LIS
- BWI
1 stop17h 25m
British Airways
Deal found 5/18![British Airways logo]()
$1,704
This British Airways deal was found by Cheapflights users on 5/14. 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.
Mon 7/69:30 pm
BWI
- FAO
1 stop12h 15m
Multiple Airlines
Tue 7/218:30 am
FAO
- BWI
2 stops17h 07m
Multiple Airlines
Deal found 5/14![Multiple Airlines logo]()
$1,728
This United Airlines deal was found by Cheapflights users on 5/14. 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 7/226:15 am
BWI
- PDL
2 stops22h 25m
United Airlines
Fri 7/319:35 am
PDL
- BWI
2 stops39h 57m
United Airlines
Deal found 5/14![United Airlines logo]()
$1,094
Last-minute flights from Baltimore to PortugalDiscover last-minute flight deals from Baltimore to Portugal. Data last updated May 19, 2026 and is based on user searches.
Discover last-minute flight deals from Baltimore to Portugal. Data last updated May 19, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 5/16. 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 5/246:15 am
BWI
- PDL
2 stops22h 25m
United Airlines
Mon 6/111:00 am
PDL
- BWI
2 stops26h 17m
United Airlines
Deal found 5/16![United Airlines logo]()
$1,031
This Kiwi.com deal was found by Cheapflights users on 5/13. 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 5/2410:10 am
BWI
- LIS
2 stops30h 35m
Multiple Airlines
Tue 5/266:55 pm
LIS
- BWI
1 stop28h 37m
Multiple Airlines
Deal found 5/13![Multiple Airlines logo]()
$1,072
This United Airlines deal was found by Cheapflights users on 5/18. 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 5/257:05 pm
BWI
- PDL
2 stops33h 35m
United Airlines
Wed 6/311:00 am
PDL
- BWI
2 stops26h 17m
United Airlines
Deal found 5/18![United Airlines logo]()
$942
This United Airlines deal was found by Cheapflights users on 5/16. 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 5/257:05 pm
BWI
- PDL
2 stops33h 35m
United Airlines
Mon 6/111:00 am
PDL
- BWI
2 stops26h 17m
United Airlines
Deal found 5/16![United Airlines logo]()
$1,042
This Gotogate deal was found by Cheapflights users on 5/15. 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.
Sat 5/308:30 pm
BWI
- LIS
1 stop19h 50m
Icelandair
Thu 6/410:20 pm
LIS
- BWI
1 stop26h 05m
Icelandair
Deal found 5/15![Icelandair logo]()
$1,024
This Kiwi.com deal was found by Cheapflights users on 5/15. 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 5/3011:20 pm
BWI
- LIS
1 stop17h 00m
Icelandair
Sun 6/710:20 pm
LIS
- BWI
1 stop26h 05m
Icelandair
Deal found 5/15![Icelandair logo]()
$1,071
This Gotogate deal was found by Cheapflights users on 5/13. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/38:30 pm
BWI
- LIS
1 stop19h 50m
Icelandair
Sun 6/710:20 pm
LIS
- BWI
1 stop26h 05m
Icelandair
Deal found 5/13![Icelandair logo]()
$1,027
This KAYAK deal was found by Cheapflights users on 5/13. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/611:20 pm
BWI
- LIS
1 stop17h 00m
Icelandair
Sun 6/1410:20 pm
LIS
- BWI
1 stop26h 05m
Icelandair
Deal found 5/13![Icelandair logo]()
$1,047
This Kiwi.com deal was found by Cheapflights users on 5/18. 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 6/169:56 am
BWI
- LIS
2 stops30h 49m
Multiple Airlines
Wed 6/247:00 pm
LIS
- BWI
1 stop28h 32m
Multiple Airlines
Deal found 5/18![Multiple Airlines logo]()
$1,022
This United Airlines deal was found by Cheapflights users on 5/16. 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.
Tue 6/1610:40 am
BWI
- OPO
2 stops14h 35m
United Airlines
Thu 6/2511:50 am
OPO
- BWI
2 stops41h 38m
United Airlines
Deal found 5/16![United Airlines logo]()
$1,037
This Delta deal was found by Cheapflights users on 5/14. 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.
Tue 6/1611:54 am
BWI
- OPO
2 stops17h 36m
Delta
Thu 6/2511:25 am
OPO
- BWI
2 stops15h 59m
Delta
Deal found 5/14![Delta logo]()
$1,050
This Delta deal was found by Cheapflights users on 5/17. 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.
Tue 6/302:10 pm
BWI
- OPO
2 stops15h 45m
Delta
Wed 7/155:00 am
OPO
- BWI
2 stops16h 41m
Delta
Deal found 5/17![Delta logo]()
$1,055
One-way flights from Baltimore to PortugalSearch for one-way flight options from Baltimore to Portugal. Find affordable one-way fares based on user searches. Data last updated May 19, 2026.
Search for one-way flight options from Baltimore to Portugal. Find affordable one-way fares based on user searches. Data last updated May 19, 2026.
This United Airlines deal was found by Cheapflights users on 5/15. 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.
Tue 11/1010:45 am
BWI
- OPO
2 stops17h 45m
United Airlines
Deal found 5/15![United Airlines logo]()
$346
This Kiwi.com deal was found by Cheapflights users on 5/17. 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 7/83:21 pm
BWI
- FAO
2 stops20h 49m
Multiple Airlines
Deal found 5/17![Multiple Airlines logo]()
$352
This Delta deal was found by Cheapflights users on 5/14. 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.
Sun 11/19:35 am
BWI
- OPO
2 stops18h 30m
Delta
Deal found 5/14![Delta logo]()
$352
This Kiwi.com deal was found by Cheapflights users on 5/14. 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 7/257:27 pm
BWI
- LIS
3 stops56h 33m
Multiple Airlines
Deal found 5/14![Multiple Airlines logo]()
$354
This Kiwi.com deal was found by Cheapflights users on 5/18. 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 10/58:30 pm
BWI
- OPO
3 stops31h 05m
Multiple Airlines
Deal found 5/18![Multiple Airlines logo]()
$360
This Kiwi.com deal was found by Cheapflights users on 5/15. 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 10/128:30 pm
BWI
- FNC
2 stops23h 40m
Multiple Airlines
Deal found 5/15![Multiple Airlines logo]()
$364
This Kiwi.com deal was found by Cheapflights users on 5/18. 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 9/288:30 pm
BWI
- OPO
3 stops37h 30m
Multiple Airlines
Deal found 5/18![Multiple Airlines logo]()
$367
This Kiwi.com deal was found by Cheapflights users on 5/18. 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 10/48:30 pm
BWI
- OPO
3 stops42h 45m
Multiple Airlines
Deal found 5/18![Multiple Airlines logo]()
$368
This Kiwi.com deal was found by Cheapflights users on 5/18. 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 9/278:30 pm
BWI
- OPO
2 stops19h 10m
Multiple Airlines
Deal found 5/18![Multiple Airlines logo]()
$371
This Cheapflightsfares deal was found by Cheapflights users on 5/18. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/297:25 pm
BWI
- OPO
1 stop19h 05m
British Airways
Deal found 5/18![British Airways logo]()
$375
This Delta deal was found by Cheapflights users on 5/14. 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 8/1712:30 pm
BWI
- OPO
2 stops17h 00m
Delta
Deal found 5/14![Delta logo]()
$376
This Kiwi.com deal was found by Cheapflights users on 5/18. 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 9/298:00 am
BWI
- OPO
3 stops27h 10m
Multiple Airlines
Deal found 5/18![Multiple Airlines logo]()
$378
Find flight deals from Baltimore to Portugal
Keep the following information in mind while searching for Baltimore to Portugal flight deals. Data was last updated May 19, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $770 (FlightHub) |
One-way from | $346 (United Airlines) |
Popular in | June |
Cheapest in | January |
Average price | $1,228 |
Cheapflights Fare Finder
Customize your flight search to find flights from Baltimore 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 2,558,603 searches. Data last updated May 19, 2026.
Use the filters below to find and compare flights from Baltimore to Portugal that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BaltimorePorto
BWI - OPO
BWIOPO
Baltimore/Washington
Tue 9/29
6:17 am-7:00 am
2 stops19h 43m
Porto
Wed 10/7
6:00 am-10:19 am
2 stops33h 19m
$806
BaltimorePorto
BWI - OPO
BWIOPO
Baltimore/Washington
Fri 10/16
2:10 pm-10:30 am
2 stops15h 20m
Porto
Tue 10/20
5:00 am-4:48 pm
2 stops16h 48m
$828
BaltimorePorto
BWI - OPO
BWIOPO
Baltimore/Washington
Sat 8/8
6:15 am-6:55 am
2 stops43h 40m
Porto
Wed 8/19
2:25 pm-9:49 am
2 stops48h 24m
$873
BaltimorePorto
BWI - OPO
BWIOPO
Baltimore/Washington
Sun 7/12
6:15 am-6:55 am
2 stops19h 40m
Porto
Wed 7/22
11:20 am-5:36 pm
2 stops35h 16m
$912
BaltimoreFaro
BWI - FAO
BWIFAO
Baltimore/Washington
Mon 8/24
1:45 pm-5:25 pm
2 stops22h 40m
Faro
Mon 8/31
9:45 pm-6:52 pm
2 stops26h 07m
$925
BaltimorePorto
BWI - OPO
BWIOPO
Baltimore/Washington
Mon 8/3
2:18 pm-10:30 am
2 stops15h 12m
Porto
Tue 8/11
5:00 am-5:47 pm
2 stops17h 47m
$925
BaltimorePorto
BWI - OPO
BWIOPO
Baltimore/Washington
Tue 7/7
11:52 am-10:30 am
2 stops17h 38m
Porto
Wed 7/15
5:00 am-5:42 pm
2 stops17h 42m
$925
BaltimorePorto
BWI - OPO
BWIOPO
Baltimore/Washington
Thu 9/17
12:15 pm-10:30 am
2 stops17h 15m
Porto
Mon 9/21
11:25 am-12:16 am
2 stops17h 51m
$928
BaltimorePorto
BWI - OPO
BWIOPO
Baltimore/Washington
Fri 7/10
6:22 pm-3:25 pm
2 stops16h 03m
Porto
Thu 7/16
5:00 am-4:41 pm
2 stops16h 41m
$985
BaltimorePorto
BWI - OPO
BWIOPO
Baltimore/Washington
Sun 7/5
10:36 am-8:30 am
2 stops16h 54m
Porto
Sat 7/18
5:00 am-7:02 pm
2 stops19h 02m
$995
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Baltimore to Portugal
Have a flexible travel schedule? Discover the best time to fly to Portugal from Baltimore with our price prediction graph.
BWI-OPO
BWI-FAO
BWI-FNC
BWI-PDL
BWI-LIS
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 Baltimore to Portugal
BWI-PT0
BWI-OPO
BWI-FAO
BWI-FNC
BWI-PDL
What is the cheapest month to book a flight from Baltimore to Portugal?
Currently, October is the cheapest month in which you can book a flight from Baltimore to Portugal (average of $396). Flying from Baltimore to Portugal in January is currently the most expensive (average of $1,465). 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.
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 May 19, 2026.
Get a feel of what it's like to fly with Delta,TAP AIR PORTUGAL, andBritish Airways from Baltimore to Portugal by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.2
Comfort
7.8
Boarding
8.1
Crew
8.5
Entertainment
7.8
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Food
7.2
Comfort
7.8
Boarding
8.1
Crew
8.5
Entertainment
7.8
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Food
7.2
Comfort
7.8
Boarding
8.1
Crew
8.5
Entertainment
7.8
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Food
7.2
Comfort
7.8
Boarding
8.1
Crew
8.5
Entertainment
7.8
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Related info for your journey
Find useful and relevant information for your journey from Baltimore to Portugal. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Top destinations
Top regions
Alternative routes for Baltimore to Portugal
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Portugal by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Baltimore to Portugal by cabin class
Find flights from Baltimore to Portugal, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Baltimore and Portugal flights
Browse other Baltimore and Portugal flight options. Last updated on May 19, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Baltimore to Portugal flights
Consider these flights traveling from Baltimore to Portugal.
Fly to Portugal regions
Consider these flights traveling to Portugal regions.
Top 3 airlines flying from Baltimore to Portugal
Discover the top 3 airlines that operate flights from Baltimore 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 2,558,603 searches. Data last updated May 19, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$529 | Average$921 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$640 | Average$896 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$781 | Average$1,208 | FlexibilityNo cancel fee | On-time70% |