Delta
New York (JFK) - Los Angeles (LAX) - $178 roundtrip - September 2023 - https://www.google.com/travel/flight...6i7yJJm6bsvrr5
Munich (MUC) - San Diego (SAN) - $483 roundtrip - October 2023 - https://www.google.com/travel/flight...gWwmJauLkTqY69
Los Angeles (LAX) - New York (JFK) - $89 one-way - October / November 2023 - https://www.google.com/travel/flight...h96zzjPLrECDx6
New York (JFK) - Los Angeles (LAX) - $89 one-way - October 2023 - https://www.google.com/travel/flight...cQNh57TocZp8QA

ITA Airways / Vietnam Airlines / Air Europa
Madrid (MAD) - Ho Chi Minh City (SGN) - $485 roundtrip - November 2023 - https://www.google.com/travel/flight...n2Hfes8SaMDbe6
Barcelona (BCN) - Ho Chi Minh City (SGN) - $484 roundtrip - November 2023 - https://www.google.com/travel/flight...Jp8T3e9wxu4pc9

China Eastern
Seoul (ICN) - Melbourne (MEL) - $382 roundtrip - September 2023 - https://www.google.com/travel/flight...r9QLBBMsk9VEVA

China Southern
London (LHR) - Auckland (AKL) - $846 roundtrip - October / November 2023 - https://www.google.com/travel/flight...2cmrLdLSZufr29

Aeromexico
San Francisco (SFO) - Sao Paulo (GRU) - $523 roundtrip - August 2023 - https://www.google.com/travel/flight...S2CCd5urEcNh9A

Saudia
Singapore (SIN) - New York (JFK) - $843 roundtrip - November 2023 - https://www.google.com/travel/flight...xpyVDKr2GBtW87

Delta / Jetblue
Los Angeles (LAX) - New York (JFK) - $197 roundtrip - October 2023 - https://www.google.com/travel/flight...8N9m9QqRGpL4Y6

Aerolineas Argentina
Buenos Aires (EZE) - Ushuaia (USH) - $123 roundtrip - May 2024 - https://www.google.com/travel/flight...MUDiP2a8QT22x7

American
Phoenix (PHX) - Kauai (LIH) - $219 roundtrip - September / October 2023 - https://www.google.com/travel/flight...PekTzKVHzmkve9
Kona (KOA) - Seattle (SEA) - $208 roundtrip - September / October 2023 - https://www.google.com/travel/flight...JxNzLL4aY9YxZ8

Swiss
Hong Kong (HKG) - Paris (CDG) - $448 roundtrip - April 2024 - https://www.google.com/travel/flight...Eu7hREC8KnAdk6
Johannesburg (JNB) - Berlin (BER) - $431 roundtrip - November 2023 - https://www.google.com/travel/flight...1rmt3U4zHX8M9A

United
Houston (IAH) - New York (LGA) - $108 roundtrip - September 2023 - https://www.google.com/travel/flight...KuosdQqnKsohT7
Orlando (MCO) - Kahului (OGG) - $374 roundtrip - September 2023 - https://www.google.com/travel/flight...N9ZaSN2UcUomM8

Lufthansa
Hong Kong (HKG) - Milan (MXP) - $461 roundtrip - February 2023 - https://www.google.com/travel/flight...Ht4cRuxR8bc8m7

EDIT
LAX-JFK - $178 roundtrip on Delta - https://www.google.com/travel/flight...t3zLMsVp19V8q8