Washington (IAD) to Helsinki (HEL) flight deal in economy from $390

Extremely Rare Availability
3% of dates checked are available within 10% of the lowest price

Thursday, December 24th, 2026

10 round-trip options

Returning
Tue, Dec 29, 20265 Day Trip
$715 USD
Returning
Wed, Dec 30, 20266 Day Trip
$740 USD
Returning
Thu, Dec 31, 20267 Day Trip
$715 USD
Returning
Fri, Jan 1, 20278 Day Trip
$1,262 USD
Returning
Sat, Jan 2, 20279 Day Trip
$1,262 USD
Returning
Sun, Jan 3, 202710 Day Trip
$1,106 USD
Returning
Mon, Jan 4, 202711 Day Trip
$924 USD
Returning
Tue, Jan 5, 202712 Day Trip
$801 USD
Returning
Wed, Jan 6, 202713 Day Trip
$753 USD
Returning
Thu, Jan 7, 202714 Day Trip
$749 USD