Flights to Southeast Asia

$511 Cheap flights to Southeast Asia

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight to Southeast Asia departing on 1/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Recent flights found to popular cities in Southeast Asia

Find flights to these popular cities in Southeast Asia from your nearest airport.
Singapore Airlines
Jan 18
SEA
43h 00m
1 stop
BKK
Jan 30
BKK
25h 00m
1 stop
SEA
Air India
Aug 26
SFO
40h 55m
1 stop
BKK
Nov 18
BKK
29h 45m
1 stop
SFO
Singapore Airlines
Jan 18
SEA
32h 45m
1 stop
BKK
Jan 30
BKK
30h 30m
1 stop
SEA
Singapore Airlines
Jan 14
SFO
31h 50m
1 stop
BKK
Jan 24
BKK
31h 10m
1 stop
SFO
Singapore Airlines
Sep 8
SFO
33h 00m
1 stop
BKK
Oct 7
BKK
29h 10m
1 stop
SFO
Air India
Sep 16
SFO
40h 55m
1 stop
BKK
Sep 25
BKK
35h 10m
1 stop
SFO
Singapore Airlines
Jan 14
SFO
31h 50m
1 stop
BKK
Jan 22
BKK
25h 40m
1 stop
SFO
Air India
Aug 19
SFO
40h 55m
1 stop
BKK
Sep 9
BKK
27h 05m
1 stop
SFO
Singapore Airlines
Jan 14
SFO
31h 50m
1 stop
BKK
Jan 22
BKK
26h 50m
1 stop
SFO
Singapore Airlines
Jan 15
SFO
31h 50m
1 stop
BKK
Feb 8
BKK
25h 40m
1 stop
SFO
Singapore Airlines
Jan 22
SFO
31h 50m
1 stop
BKK
Jan 29
BKK
28h 45m
1 stop
SFO
Air India
Sep 9
SFO
38h 15m
1 stop
BKK
Sep 28
BKK
22h 35m
1 stop
SFO
Singapore Airlines
Jan 18
SEA
22h 05m
1 stop
MNL
Feb 11
MNL
30h 05m
1 stop
SEA
Singapore Airlines
Jan 19
SFO
34h 10m
1 stop
MNL
Feb 5
MNL
30h 45m
1 stop
SFO
Singapore Airlines
Jan 14
SFO
35h 10m
1 stop
MNL
Jan 28
MNL
28h 50m
1 stop
SFO
Singapore Airlines
Jan 14
SFO
34h 10m
1 stop
MNL
Feb 5
MNL
30h 45m
1 stop
SFO
Singapore Airlines
Jan 15
SFO
33h 10m
1 stop
MNL
Jan 31
MNL
33h 45m
1 stop
SFO
Singapore Airlines
Jan 12
SFO
34h 10m
1 stop
MNL
Feb 16
MNL
28h 50m
1 stop
SFO
Singapore Airlines
Sep 21
SFO
32h 50m
1 stop
MNL
Oct 23
MNL
30h 10m
1 stop
SFO
China Eastern
Aug 14
SFO
22h 20m
1 stop
MNL
Sep 3
MNL
21h 40m
1 stop
SFO
Singapore Airlines
Aug 31
LAX
22h 00m
1 stop
MNL
Oct 7
MNL
39h 35m
1 stop
LAX
China Eastern
Aug 14
SFO
22h 20m
1 stop
MNL
Sep 3
MNL
21h 40m
1 stop
SFO
Singapore Airlines
Aug 31
LAX
26h 30m
1 stop
MNL
Oct 7
MNL
39h 35m
1 stop
LAX
Singapore Airlines
Sep 30
SFO
31h 50m
1 stop
MNL
Oct 23
MNL
34h 35m
1 stop
SFO
Singapore Airlines
Jan 14
SFO
22h 15m
1 stop
DPS
Jan 23
DPS
26h 05m
1 stop
SFO
Singapore Airlines
Jan 19
SFO
22h 15m
1 stop
DPS
Jan 25
DPS
27h 35m
1 stop
SFO
Singapore Airlines
Jan 15
SEA
33h 25m
1 stop
DPS
Jan 24
DPS
34h 10m
1 stop
SEA
Air India
Sep 1
SFO
31h 30m
1 stop
DPS
Sep 8
DPS
36h 00m
1 stop
SFO
Air India
Sep 22
SFO
31h 30m
1 stop
DPS
Oct 4
DPS
36h 00m
1 stop
SFO
Air India
Aug 23
SFO
31h 30m
1 stop
DPS
Sep 7
DPS
36h 00m
1 stop
SFO
Singapore Airlines
Oct 20
SEA
26h 05m
2 stops
DPS
Nov 10
DPS
34h 10m
1 stop
SEA
Air India
Sep 26
SFO
31h 30m
1 stop
DPS
Oct 8
DPS
36h 00m
1 stop
SFO
Cathay Pacific
Aug 25
DFW
29h 45m
1 stop
DPS
Sep 8
DPS
36h 10m
1 stop
DFW
Air India
Aug 16
SFO
31h 30m
1 stop
DPS
Aug 29
DPS
36h 00m
1 stop
SFO
Singapore Airlines
Oct 17
SEA
41h 25m
1 stop
DPS
Oct 25
DPS
40h 00m
1 stop
SEA
Cathay Pacific
Aug 25
DFW
29h 45m
1 stop
DPS
Sep 1
DPS
36h 10m
1 stop
DFW
Singapore Airlines
Jan 24
SEA
35h 15m
1 stop
SGN
Feb 7
SGN
26h 20m
1 stop
SEA
Singapore Airlines
Jan 21
SFO
42h 00m
1 stop
SGN
Feb 11
SGN
34h 35m
1 stop
SFO
Singapore Airlines
Jan 21
SFO
42h 00m
1 stop
SGN
Feb 4
SGN
27h 00m
1 stop
SFO
Singapore Airlines
Jan 19
SFO
34h 20m
1 stop
SGN
Feb 1
SGN
34h 35m
1 stop
SFO
Singapore Airlines
Jan 22
SEA
35h 15m
1 stop
SGN
Jan 31
SGN
29h 55m
1 stop
SEA
Singapore Airlines
Jan 17
SFO
42h 00m
1 stop
SGN
Feb 15
SGN
30h 35m
1 stop
SFO
Singapore Airlines
Jan 17
SFO
34h 20m
1 stop
SGN
Feb 14
SGN
27h 00m
1 stop
SFO
Singapore Airlines
Jan 12
SFO
34h 20m
1 stop
SGN
Feb 4
SGN
30h 35m
1 stop
SFO
Singapore Airlines
Aug 17
LAX
31h 05m
1 stop
SGN
Oct 18
SGN
19h 55m
1 stop
LAX
China Eastern
Aug 11
SFO
26h 55m
1 stop
SGN
Aug 31
SGN
20h 30m
1 stop
SFO
China Eastern
Aug 21
SFO
40h 10m
2 stops
SGN
Aug 28
SGN
17h 10m
1 stop
SFO
Singapore Airlines
Jan 14
SFO
34h 20m
1 stop
SGN
Feb 18
SGN
27h 00m
1 stop
SFO
Air India
Aug 18
SFO
42h 30m
1 stop
SIN
Sep 24
SIN
47h 00m
1 stop
SFO
Singapore Airlines
Sep 28
SEA
16h 20m
SIN
Oct 18
SIN
14h 45m
SEA
Air India
Aug 19
SFO
44h 45m
1 stop
SIN
Oct 2
SIN
37h 20m
1 stop
SFO
Air India
Sep 9
SFO
30h 15m
1 stop
SIN
Sep 14
SIN
46h 30m
1 stop
SFO
Air India
Sep 15
SFO
42h 30m
1 stop
SIN
Oct 1
SIN
37h 15m
1 stop
SFO
Singapore Airlines
Sep 8
SFO
16h 10m
SIN
Nov 10
SIN
14h 35m
SFO
Singapore Airlines
Sep 17
SFO
16h 10m
SIN
Oct 7
SIN
15h 25m
SFO
Air India
Sep 8
SFO
42h 30m
1 stop
SIN
Nov 10
SIN
36h 50m
1 stop
SFO
Air India
Aug 27
SFO
30h 15m
1 stop
SIN
Sep 17
SIN
37h 15m
1 stop
SFO
Air India
Aug 25
SFO
30h 15m
1 stop
SIN
Sep 1
SIN
25h 30m
1 stop
SFO
Air India
Sep 15
SFO
30h 15m
1 stop
SIN
Sep 18
SIN
37h 20m
1 stop
SFO
Air India
Aug 14
SFO
44h 45m
1 stop
SIN
Sep 6
SIN
25h 30m
1 stop
SFO

Find the cheapest flights from the United States to Southeast Asia

Recent round-trip flight deals from the United States to Southeast Asia

Singapore Airlines Logo
8:45 am - 6:45 pmSEA-BKK
43h 00m1 stop
Singapore Airlines Logo
9:10 pm - 7:10 amBKK-SEA
25h 00m1 stop
$515Singapore Airlines
Find Deal
Sun, Jan 18 - Fri, Jan 30
Singapore Airlines Logo
9:40 am - 11:50 amSFO-MNL
34h 10m1 stop
Singapore Airlines Logo
5:05 pm - 7:50 amMNL-SFO
30h 45m1 stop
$537Singapore Airlines
Find Deal
Mon, Jan 19 - Thu, Feb 5
United Airlines Logo
8:35 am - 9:10 pmLAX-MNL
21h 35m2 stops
United Airlines Logo
10:25 pm - 6:02 amMNL-LAX
22h 37m2 stops
$615United Airlines
Find Deal
Wed, Sep 10 - Wed, Sep 17
United Airlines Logo
7:10 am - 4:35 amORD-BKK
33h 25m2 stops
United Airlines Logo
9:35 am - 8:40 amBKK-ORD
35h 05m1 stop
$649United Airlines
Find Deal
Mon, Sep 8 - Wed, Sep 24
Cathay Pacific Logo
12:25 pm - 10:55 pmLAX-MNL
19h 30m1 stop
Cathay Pacific Logo
8:00 am - 10:05 pmMNL-LAX
29h 05m1 stop
$650Cathay Pacific
Find Deal
Mon, Oct 6 - Sun, Oct 19
Korean Air Logo
12:50 pm - 1:05 amSEA-BKK
22h 15m1 stop
Korean Air Logo
2:35 am - 10:40 amBKK-SEA
22h 05m1 stop
$657Korean Air
Find Deal
Mon, Sep 1 - Tue, Sep 16
Korean Air Logo
1:20 pm - 9:45 pmSEA-BKK
18h 25m1 stop
Korean Air Logo
2:35 am - 10:40 amBKK-SEA
22h 05m1 stop
$663Korean Air
Find Deal
Mon, Aug 25 - Tue, Sep 2
Cathay Pacific Logo
3:40 pm - 12:10 amORD-BKK
20h 30m1 stop
Cathay Pacific Logo
7:15 pm - 1:00 pmBKK-ORD
30h 45m1 stop
$664Cathay Pacific
Find Deal
Mon, Oct 27 - Mon, Nov 3
Philippine Airlines Logo
11:35 pm - 12:15 pmSEA-BKK
22h 40m1 stop
Philippine Airlines Logo
1:20 pm - 7:35 pmBKK-SEA
20h 15m1 stop
$693Philippine Airlines
Find Deal
Sun, Aug 24 - Sun, Oct 26
Philippine Airlines Logo
11:55 pm - 10:25 pmLAX-BKK
32h 30m1 stop
Philippine Airlines Logo
1:30 pm - 8:40 pmBKK-LAX
21h 10m1 stop
$693Philippine Airlines
Find Deal
Tue, Aug 19 - Thu, Sep 18

momondo Fare Finder

 
Locate flights to Southeast Asia that fit your budget, with regularly updated fares and availability. In the last 7 days, momondo users made a total of 832,500 searches and data was last updated on July 29, 2025.
Use the filters below to find and compare flights to Southeast Asia that are best for you.

Fly from

Route

Depart

Return

Price

SeattleBangkok

SEA - BKK

SEABKK

Seattle/Tacoma Intl

Sun 1/18

8:45 am-6:45 pm

1 stop43h 00m

Bangkok Suvarnabhumi

Fri 1/30

9:10 pm-7:10 am

1 stop25h 00m

$515

San FranciscoManila

SFO - MNL

SFOMNL

San Francisco

Mon 1/19

9:40 am-11:50 am

1 stop34h 10m

Manila Ninoy Aquino Intl

Thu 2/5

5:05 pm-7:50 am

1 stop30h 45m

$537

Los AngelesManila

LAX - MNL

LAXMNL

Los Angeles

Wed 9/10

8:35 am-9:10 pm

2 stops21h 35m

Manila Ninoy Aquino Intl

Wed 9/17

10:25 pm-6:02 am

2 stops22h 37m

$615

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Mon 9/8

7:10 am-4:35 am

2 stops33h 25m

Bangkok Suvarnabhumi

Wed 9/24

9:35 am-8:40 am

1 stop35h 05m

$649

Los AngelesManila

LAX - MNL

LAXMNL

Los Angeles

Mon 10/6

12:25 pm-10:55 pm

1 stop19h 30m

Manila Ninoy Aquino Intl

Sun 10/19

8:00 am-10:05 pm

1 stop29h 05m

$650

SeattleBangkok

SEA - BKK

SEABKK

Seattle/Tacoma Intl

Mon 9/1

12:50 pm-1:05 am

1 stop22h 15m

Bangkok Suvarnabhumi

Tue 9/16

2:35 am-10:40 am

1 stop22h 05m

$657

SeattleBangkok

SEA - BKK

SEABKK

Seattle/Tacoma Intl

Mon 8/25

1:20 pm-9:45 pm

1 stop18h 25m

Bangkok Suvarnabhumi

Tue 9/2

2:35 am-10:40 am

1 stop22h 05m

$663

ChicagoBangkok

ORD - BKK

ORDBKK

Chicago O'Hare Intl

Mon 10/27

3:40 pm-12:10 am

1 stop20h 30m

Bangkok Suvarnabhumi

Mon 11/3

7:15 pm-1:00 pm

1 stop30h 45m

$664

SeattleBangkok

SEA - BKK

SEABKK

Seattle/Tacoma Intl

Sun 8/24

11:35 pm-12:15 pm

1 stop22h 40m

Bangkok Suvarnabhumi

Sun 10/26

1:20 pm-7:35 pm

1 stop20h 15m

$693

Los AngelesBangkok

LAX - BKK

LAXBKK

Los Angeles

Tue 8/19

11:55 pm-10:25 pm

1 stop32h 30m

Bangkok Suvarnabhumi

Thu 9/18

1:30 pm-8:40 pm

1 stop21h 10m

$693

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Southeast Asia from

Southeast Asia flights insights and trends

Explore insights for your Southeast Asia flight to craft the best travel plan

See prices from:

What is the cheapest day to depart on your flight to Southeast Asia?

The cheapest day to depart from United States to Southeast Asia is on a Thursday when prices can be found for as low as $741. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $936. These prices are subject to change though, so be sure to set up a Price Alert for flights to Southeast Asia.

Cheapest flights to cities in Southeast Asia

Click on the cities below to find out when it's cheapest to fly to Southeast Asia from United States
Bangkok
Bangkok

Cheap Southeast Asia flight deals and tips

Summary info about Southeast Asia flight prices, duration and airlines

Best One-Way Price

$283

Best Round-Trip Price

$515

Fastest flight time

18h 15m

Popular in

December
The best one-way flight price to Southeast Asia from United States in the last 72 hours is $283 (Seattle/Tacoma Intl to Bangkok Suvarnabhumi).
The best round-trip flight price to Southeast Asia from United States in the last 72 hours is $515 (Seattle/Tacoma Intl to Bangkok Suvarnabhumi).
The fastest flight to Southeast Asia from United States takes 18h 15m (Los Angeles to Manila Ninoy Aquino Intl).
December has the highest demand for flights to Southeast Asia, with a 10% price increase on average.

Frequently asked questions about flying to Southeast Asia

What airlines fly to Southeast Asia?

What is the best day of the week to fly to Southeast Asia?

Consider booking a flight to Southeast Asia on a Thursday, which is the cheapest day of the week. You will also find that flying out on a Tuesday is another low-cost option. Try to avoid booking your flight to Southeast Asia on Sunday, which tends to be the most expensive day of the week.

When did momondo last update prices for flights to Southeast Asia?

Prices for flights to Southeast Asia refresh daily.

How many operators does momondo search for flights to Southeast Asia?

How old do you have to be to fly to Southeast Asia?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel to Southeast Asia.

What documentation or ID do you need to fly to Southeast Asia?

The necessary travel and health documents for your Southeast Asia trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.


Why use momondo?

Why should I use momondo to find a flight deal to Southeast Asia?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight to Southeast Asia. momondo saves you time and could save you money on your trip.

Can I find flights to Southeast Asia with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for flights to Southeast Asia to just show those with flexible booking policies.

How can momondo help me find flights to Southeast Asia?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight to Southeast Asia.

I’m not ready to book a flight to Southeast Asia right now. Can momondo alert me if prices change?

Yes. momondo can track flight prices for Southeast Asia and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.


An easier way to manage your Southeast Asia trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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1 adult
Sun 8/3
Sun 8/10

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