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

Return flights

16 Jul - 29 Jul	Frontier Airlines
21 Jul - 30 Jul	Frontier Airlines
16 Jul - 23 Jul	Air Canada
24 Jul - 02 Aug	Frontier Airlines
30 Jul - 02 Aug	Frontier Airlines
31 Jul - 03 Aug	Alaska Airlines
23 Jul - 02 Aug	Frontier Airlines
24 Jul - 03 Aug	Alaska Airlines
18 Jul - 01 Aug	Frontier Airlines
29 Jul - 10 Aug	Frontier Airlines
12 Jul - 02 Aug	Frontier Airlines
30 Jul - 11 Aug	Air Canada
18 Jul - 27 Jul	Porter Airlines (Canada) Ltd
16 Jul - 25 Jul	Frontier Airlines
20 Jul - 27 Jul	Frontier Airlines
19 Jul - 26 Jul	Frontier Airlines
18 Jul - 25 Jul	Air Canada
17 Jul - 26 Jul	Frontier Airlines
13 Jul - 26 Jul	Air Canada
30 Jul - 04 Aug	WestJet

Also check the deals for one-way flights from Washington 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 Washington to Tokyo in July from $1177

Return flights