Chicago ORD
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AA/DL/UA $466-$658 BOS/DEN/MSP/NYC/PHL/SEA/WAS to AMS/BHX/BRU/FRA/MAN/MUC/ZRH and more

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United USA-China $532-$636 BOS/DEN/IAD/LAS/LAX/ORD/PDX/PHX/SAN/SEA/SFO

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AA/DL/UA Chicago to Paris $499, Amsterdam $466, London $534, Moscow $481

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Significantly lower United Airlines ticket prices with OTA sites. How do they do it?

AA, DL, UA $499 Chicago to Paris Sep 28-Oct 20, $466 Amsterdam, $533 London

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Air Berlin $447-$486 Chicago, Miami, New York, LAX, SFO to Germany DUS, HAM, MUC, NUE, STR, TXL

AAdvantage $704-$725 July fares Chicago/New York to Scandinavia/Baltics 9,000+ flight miles

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United $557-$663 SFO/LAX/ORD/IAH/EWR to BKK/KUL/MNL/SGN/SIN

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AA, DL, UA $467–$557 Chicago to London, Paris, Amsterdam, Frankfurt, Munich Sep-Oct

DL, UA, AA Chicago to Europe $467–$654 Sep-Oct many, many cities

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