United flights from Hanoi to Seattle from $ 988* or from $/mo

Featured daily fares for flights from Hanoi (HAN) to Seattle (SEA)

$ 954
$ 1.6K
Displaying fares for May-2025
08

Th

MAY

09

Fr

10

Sa

11

Su

12

Mo

13

Tu

14

We

15

Th

16

Fr

17

Sa

18

Su

19

Mo

20

Tu

21

We

22

Th

23

Fr

24

Sa

25

Su

26

Mo

27

Tu

28

We

29

Th

30

Fr

31

Sa

01

Su

JUN

02

Mo

03

Tu

04

We

05

Th

06

Fr

07

Sa

Range$ 954-$ 1,588

More United deals on Hanoi (HAN) to Seattle (SEA) flights

$
More United deals on Hanoi (HAN) to Seattle (SEA) flights
From
To
Fare Type
Dates
Price
Hanoi (HAN)Seattle (SEA)Roundtrip
|
Economy
05/07/25 - 05/11/25

from

$ 988
or from $105/mo

Viewed: 1 day ago

Hanoi (HAN)Seattle (SEA)Roundtrip
|
Economy
05/08/25 - 05/12/25

from

$ 1,020
or from $108/mo

Viewed: 1 day ago

Hanoi (HAN)Seattle (SEA)Roundtrip
|
Economy
07/08/25 - 07/15/25

from

$ 1,043
or from $111/mo

Viewed: 1 day ago

Hanoi (HAN)Seattle (SEA)Roundtrip
|
Economy
07/11/25 - 07/15/25

from

$ 1,043
or from $111/mo

Viewed: 1 day ago

Hanoi (HAN)Seattle (SEA)Roundtrip
|
Economy
07/01/25 - 07/15/25

from

$ 1,043
or from $111/mo

Viewed: 1 day ago

Hanoi (HAN)Seattle (SEA)Roundtrip
|
Economy
05/09/25 - 05/13/25

from

$ 1,069
or from $113/mo

Viewed: 1 day ago

Hanoi (HAN)Seattle (SEA)Roundtrip
|
Economy
05/10/25 - 05/14/25

from

$ 1,084
or from $115/mo

Viewed: 1 day ago

Hanoi (HAN)Seattle (SEA)Roundtrip
|
Economy
05/07/25 - 05/14/25

from

$ 1,084
or from $115/mo

Viewed: 1 day ago

Hanoi (HAN)Seattle (SEA)Roundtrip
|
Economy
07/13/25 - 07/17/25

from

$ 1,084
or from $115/mo

Viewed: 1 day ago

Hanoi (HAN)Seattle (SEA)Roundtrip
|
Economy
07/11/25 - 07/25/25

from

$ 1,084
or from $115/mo

Viewed: 1 day ago

*Prices have been available for round trips within the last 48 hours and may not be currently available. For Economy class, fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply.