Limited availability from March to May 2020
16th-30th Mar – 6th Apr
23rd-30th Mar – 13th Apr
27th Apr – 9th-19th May
All Nippon Airways
Was able to snag JFK-SIN-DEL-HND-NRT-JFK $530 on ANA/SQ thru July!!
You will have to manipulate dates on skyscanner then book through ota, there are less then credible booking ota, look on TripAdvisor many negative reviews on some, but Expedia, Travelocity, IndianEagle are fine. Also check ANA website directly as fares are the same, sadly wouldn't process my cc so had to go through ota. Also Expedia may have cash back on some sites.
United Airlines / Lufthansa / Brussels Airlines offers round trip non stop fares from San Francisco (SFO) to Paris(CDG) for $341
This is a basic economy fare that has restrictions and allows one carry on baggage.
Sample Travel Dates (Jan-May)
Depart SFO May 4 --- Depart CDG May 12
Depart SFO Apr 27 --- Depart CDG May 5
Depart SFO Apr 14 --- Depart CDG Apr 22
Depart SFO Mar 1,2,3,8,9,10,16 --- Depart CDG Mar 9,10,11,16,17,18,24
And many dates in January, February for a week's trip.
OneWorld Alliance member Iberia Airlines via Skyscanner have round trip airfares travelling from San Francisco (SFO) to Barcelona Spain (BCN) for $228-$241, nonstop. These are basic economy fares. On Iberia, you are allowed a free carry-on but this fare does not include a meal if operated by Level.
Depart SFO Dec 5,8 --- Depart BCN Dec 12,15
Depart SFO Jan 9,12,16,19 --- Depart BCN Jan 16,19,23,26
Depart SFO Jan 23,26 --- Depart BCN Feb 2
Depart SFO Feb 27 --- Depart BCN Mar 5,8