Cheapest return IAD–NRT flights, May

AirHint found the following cheapest return flights from Washington (IAD) to Tokyo (NRT) in May 2026 (see full year).

Return flights

25 May - 10 Jun Porter Airlines (Canada) Ltd
10 May - 19 May Air Premia
28 May - 10 Jun Porter Airlines (Canada) Ltd
14 May - 28 May Frontier Airlines
25 May - 18 Jun WestJet
31 May - 16 Jun Frontier Airlines
12 May - 26 May Frontier Airlines
24 May - 07 Jun Porter Airlines (Canada) Ltd
26 May - 10 Jun Alaska Airlines
06 May - 13 May Frontier Airlines
12 May - 23 May Frontier Airlines
31 May - 11 Jun Frontier Airlines
13 May - 26 May Alaska Airlines
10 May - 17 May Air Premia
11 May - 26 May Frontier Airlines
26 May - 18 Jun Alaska Airlines
14 May - 17 May Frontier Airlines
22 May - 29 May WestJet
30 May - 06 Jun Frontier Airlines
29 May - 13 Jun Air Premia

Also check the deals for one-way flights from Washington to Tokyo in May.

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