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United Airlines and Expedia have round trip airfares travelling from San Francisco (SFO) to Lisbon Portugal (LIS) for $ 350, making 1 stop. These are basic economy fares, a restricted-type fare. For this particular flight, you may bring 1 personal item and 1 free carry-on bag. There is no seat selection or changes.

Travel Availability:

Departs SFO: Jan 18-21, 26-28; Feb 2-4, 7-10, 15-16, 24; March 9, 30
Returns: Tueday-Thursday, best availability on 7-day stay