Error Fare Business Class flights from Budapest, Hungary to Honolulu, Hawaii for only €503 roundtrip with KLM, Delta Air Lines and Air France.
Appears to be an OTA glitch.
WE STRONGLY RECOMMEND YOU DELAY MAKING FURTHER PLANS AS MUCH AS POSSIBLE.
BECAUSE THIS IS AN ERROR-FARE, THERE IS ALWAYS THE SMALL CHANCE THE AIRLINE MAY CANCEL THE TICKET.
Limited availability from March to June 2020
26th Mar – 5th Apr
28th Apr – 7th May
30th Apr – 10th May
30th Apr – 11th May
23rd May – 1st Jun
23rd May – 2nd Jun
Delta Air Lines
Allow the search to complete, then click an OTA to view the advertised price: