Cheap flights from United States to Portugal from £344
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Book flights from United States to Portugal
Tickets from £332
Tickets from £282
Tickets from £273
Tickets from £359
Tickets from £310
Tickets from £335
Tickets from £350
Tickets from £336
Tickets from £324
Tickets from £358
Tickets from £338
Tickets from £337
Tickets from £300
Tickets from £271
Tickets from £271
Tickets from £308
Tickets from £303
Tickets from £308
Tickets from £337
Tickets from £329
Tickets from £305
Tickets from £337
Tickets from £478
Tickets from £376
Tickets from £631
Tickets from £299
Tickets from £416
Tickets from £308
Tickets from £294
Tickets from £328
Tickets from £329
Tickets from £330
Tickets from £372
Tickets from £330
Tickets from £349
Tickets from £354
Tickets from £361
Tickets from £333
Tickets from £370
Tickets from £334
Fly to top destinations in Portugal
from £335
from £348
from £297
from £254
from £236
from £242
from £236
from £236
from £450
from £320
from £236
from £236
from £232
from £535