AirHint found the following cheapest return flights from Chicago (MDW) to Tokyo (NRT) in July 2025 (see full year).

Return flights

10 Jul - 14 Jul	Frontier Airlines
23 Jul - 28 Jul	Frontier Airlines
15 Jul - 15 Aug	WestJet
10 Jul - 19 Jul	WestJet
08 Jul - 23 Jul	WestJet
07 Jul - 09 Jul	WestJet
12 Jul - 21 Jul	WestJet
08 Jul - 15 Jul	WestJet
06 Jul - 11 Jul	WestJet
07 Jul - 03 Aug	WestJet
17 Jul - 19 Jul	WestJet
31 Jul - 04 Aug	WestJet

Also check the deals for one-way flights from Chicago to Tokyo in July.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Chicago to Tokyo in July from 1081€

Return flights