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Cheap flights from Pennsylvania to Bangkok from $397

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Pennsylvania to Bangkok departing on 7/31. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Pennsylvania to Bangkok

Cheap round-trip flights

Enter your travel dates to find the best prices.
Etihad Airways Logo
3:10 pm - 6:10 pm
IAD
-
BKK
40h 00m
1 stop
Etihad Airways Logo
10:00 am - 10:05 am
BKK
-
IAD
59h 05m
2 stops
$954Etihad Airways
Mon, Oct 12 - Wed, Oct 28
Etihad Airways Logo
3:10 pm - 11:55 pm
IAD
-
BKK
21h 45m
1 stop
Etihad Airways Logo
8:50 pm - 9:05 am
BKK
-
IAD
24h 15m
1 stop
$957Etihad Airways
Sun, Sep 20 - Mon, Nov 16
Qatar Airways Logo
9:30 pm - 6:20 am
PHL
-
BKK
21h 50m
1 stop
Qatar Airways Logo
8:00 pm - 3:05 pm
BKK
-
PHL
30h 05m
1 stop
$965Qatar Airways
Sun, Aug 30 - Fri, Sep 11
Multiple Airlines Logo
4:45 pm - 9:20 am
IAD
-
BKK
28h 35m
2 stops
Multiple Airlines Logo
12:15 pm - 2:40 pm
BKK
-
IAD
38h 25m
1 stop
$965Multiple Airlines
Tue, Dec 1 - Mon, Dec 14
Qatar Airways Logo
9:30 pm - 12:55 pm
PHL
-
BKK
28h 25m
1 stop
Qatar Airways Logo
3:00 am - 3:05 pm
BKK
-
PHL
23h 05m
1 stop
$966Qatar Airways
Thu, Oct 1 - Wed, Oct 14
Delta Logo
9:39 am - 9:45 pm
DCA
-
BKK
25h 06m
2 stops
Delta Logo
9:50 am - 11:48 pm
BKK
-
DCA
24h 58m
2 stops
$987Delta
Sun, Aug 23 - Mon, Aug 31
Delta Logo
9:39 am - 11:35 pm
DCA
-
BKK
26h 56m
2 stops
Delta Logo
9:50 am - 11:43 pm
BKK
-
DCA
24h 53m
2 stops
$988Delta
Thu, Sep 3 - Fri, Sep 11
Korean Air Logo
6:05 am - 12:45 am
DCA
-
BKK
30h 40m
2 stops
Korean Air Logo
9:30 pm - 3:19 pm
BKK
-
DCA
29h 49m
2 stops
$993Korean Air
Tue, Dec 8 - Tue, Dec 29
Korean Air Logo
6:00 am - 11:20 pm
LGA
-
BKK
29h 20m
2 stops
Korean Air Logo
11:15 pm - 11:54 am
BKK
-
LGA
24h 39m
2 stops
$1,036Korean Air
Sun, Nov 22 - Thu, Dec 3
Multiple Airlines Logo
1:20 pm - 6:45 am
DCA
-
BKK
30h 25m
2 stops
Multiple Airlines Logo
4:25 pm - 10:02 am
BKK
-
DCA
28h 37m
2 stops
$1,046Multiple Airlines
Mon, Sep 28 - Tue, Oct 13

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Japan Airlines flights from Pennsylvania to Bangkok

Our best Japan Airlines deals on Pennsylvania to Bangkok flight tickets
Japan Airlines
Aug 28
DCA6:00 amWashington, D.C. Reagan-National
30h 00m
2 stops
BKK11:00 pmBangkok Suvarnabhumi
Sep 10
BKK9:40 pmBangkok Suvarnabhumi
45h 19m
2 stops
DCA7:59 amWashington, D.C. Reagan-National
$1,122
Japan Airlines
Sep 15
DCA6:23 pmWashington, D.C. Reagan-National
41h 37m
2 stops
BKK11:00 pmBangkok Suvarnabhumi
Sep 29
BKK9:40 pmBangkok Suvarnabhumi
36h 30m
2 stops
DCA11:10 pmWashington, D.C. Reagan-National
$1,123

Qatar Airways flights from Pennsylvania to Bangkok

Our best Qatar Airways deals on Pennsylvania to Bangkok flight tickets
Qatar Airways
Aug 30
PHL9:30 pmPhiladelphia
21h 50m
1 stop
BKK6:20 amBangkok Suvarnabhumi
Sep 11
BKK8:00 pmBangkok Suvarnabhumi
30h 05m
1 stop
PHL3:05 pmPhiladelphia
$965
Qatar Airways
Oct 1
PHL9:30 pmPhiladelphia
28h 25m
1 stop
BKK12:55 pmBangkok Suvarnabhumi
Oct 14
BKK3:00 amBangkok Suvarnabhumi
23h 05m
1 stop
PHL3:05 pmPhiladelphia
$966
Qatar Airways
Sep 17
PHL9:30 pmPhiladelphia
28h 55m
1 stop
BKK1:25 pmBangkok Suvarnabhumi
Sep 23
BKK3:00 amBangkok Suvarnabhumi
23h 05m
1 stop
PHL3:05 pmPhiladelphia
$967

momondo Fare Finder

 
Customize your flight search to find flights from Pennsylvania to Bangkok that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated July 4, 2026.
Use the filters below to find and compare flights from Pennsylvania to Bangkok that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

Mon 10/12

3:10 pm-6:10 pm

1 stop40h 00m

Bangkok Suvarnabhumi

Wed 10/28

10:00 am-10:05 am

2 stops59h 05m

$954
Quickest round-trip

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

Sun 9/20

3:10 pm-11:55 pm

1 stop21h 45m

Bangkok Suvarnabhumi

Mon 11/16

8:50 pm-9:05 am

1 stop24h 15m

$957

PhiladelphiaBangkok

PHL - BKK

PHLBKK

Philadelphia

Sun 8/30

9:30 pm-6:20 am

1 stop21h 50m

Bangkok Suvarnabhumi

Fri 9/11

8:00 pm-3:05 pm

1 stop30h 05m

$965

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

Tue 12/1

4:45 pm-9:20 am

2 stops28h 35m

Bangkok Suvarnabhumi

Mon 12/14

12:15 pm-2:40 pm

1 stop38h 25m

$965

PhiladelphiaBangkok

PHL - BKK

PHLBKK

Philadelphia

Thu 10/1

9:30 pm-12:55 pm

1 stop28h 25m

Bangkok Suvarnabhumi

Wed 10/14

3:00 am-3:05 pm

1 stop23h 05m

$966

Washington, D.C.Bangkok

DCA - BKK

DCABKK

Washington, D.C. Reagan-National

Sun 8/23

9:39 am-9:45 pm

2 stops25h 06m

Bangkok Suvarnabhumi

Mon 8/31

9:50 am-11:48 pm

2 stops24h 58m

$987

Washington, D.C.Bangkok

DCA - BKK

DCABKK

Washington, D.C. Reagan-National

Thu 9/3

9:39 am-11:35 pm

2 stops26h 56m

Bangkok Suvarnabhumi

Fri 9/11

9:50 am-11:43 pm

2 stops24h 53m

$988

Washington, D.C.Bangkok

DCA - BKK

DCABKK

Washington, D.C. Reagan-National

Tue 12/8

6:05 am-12:45 am

2 stops30h 40m

Bangkok Suvarnabhumi

Tue 12/29

9:30 pm-3:19 pm

2 stops29h 49m

$993

New YorkBangkok

LGA - BKK

LGABKK

New York LaGuardia

Sun 11/22

6:00 am-11:20 pm

2 stops29h 20m

Bangkok Suvarnabhumi

Thu 12/3

11:15 pm-11:54 am

2 stops24h 39m

$1,036

Washington, D.C.Bangkok

DCA - BKK

DCABKK

Washington, D.C. Reagan-National

Mon 9/28

1:20 pm-6:45 am

2 stops30h 25m

Bangkok Suvarnabhumi

Tue 10/13

4:25 pm-10:02 am

2 stops28h 37m

$1,046

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 Bangkok from

How to get the cheapest flight ticket from Pennsylvania to Bangkok

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Bangkok?

If you aren’t able to travel during the month of March, then book flights to Bangkok from Pennsylvania during February instead. Flights to Bangkok in February, while not as cheap as those in March, still average around $663.

How far in advance should I book a flight from Pennsylvania to Bangkok?

You are more likely to see cheaper flights to Bangkok from Pennsylvania when booking weeks ahead of your departure date. In general, you can expect to find flights to Bangkok for around $1,124 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Bangkok from Pennsylvania for as low as $977 on momondo.

Cheap Pennsylvania to Bangkok flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Pennsylvania to Bangkok

Fastest flight time

21h 10m

Direct flights

None
The fastest flight from Pennsylvania to Bangkok takes 21h 10m
There are no direct flights from Pennsylvania to Bangkok. There are no popular flight routes from Pennsylvania to Bangkok.
Search flight deals

Frequently asked questions about flying from Pennsylvania to Bangkok

  • When did momondo last update prices for flights from Pennsylvania to Bangkok?

    Prices for flights from Pennsylvania to Bangkok refresh daily.

  • How many operators does momondo search for flights from Pennsylvania to Bangkok?

  • How old do you have to be to fly from Pennsylvania to Bangkok?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Pennsylvania to Bangkok.

  • What documentation or ID do you need to fly to Bangkok?

    The required travel and health documents for your Bangkok trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Bangkok. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Pennsylvania to Bangkok

Compare and see reviews for airlines that fly from Pennsylvania to Bangkok with momondo
Airline
Rating
Free Cancellation
Price
Korean AirPriceFrom $697Free CancellationRating
8.4
1,220 reviews
Search Korean Air flights
DeltaPriceFrom $719Free CancellationRating
7.8
8,455 reviews
Search Delta flights
ANAPriceFrom $763Free CancellationRating
8.3
1,260 reviews
Search ANA flights
United AirlinesPriceFrom $775Free CancellationRating
7.4
9,931 reviews
Search United Airlines flights
Qatar AirwaysPriceFrom $822Free CancellationRating
7.3
3,742 reviews
Search Qatar Airways flights
Air CanadaPriceFrom $857Free CancellationRating
7.1
11,295 reviews
Search Air Canada flights
STARLUX AirlinesPriceFrom $915Free CancellationRating
8.9
353 reviews
Search STARLUX Airlines flights
Etihad AirwaysPriceFrom $937Free CancellationRating
7.3
1,473 reviews
Search Etihad Airways flights
American AirlinesPriceFrom $980Free CancellationRating
7.1
11,766 reviews
Search American Airlines flights
Japan AirlinesPriceFrom $1,049Free CancellationRating
8.3
1,859 reviews
Search Japan Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Pennsylvania to Bangkok?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Pennsylvania to Bangkok for you.

Can I find flights from Pennsylvania to Bangkok with flexible booking policies on momondo?

Yes. All flights to Bangkok from Pennsylvania on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Pennsylvania to Bangkok?

momondo provides multiple filters to help you find the best flight to Bangkok from Pennsylvania. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Price alerts on flights to Bangkok from Pennsylvania are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Find better results for your trip to Thailand

Fly into one of these airports located in Bangkok

Airports listed have a maximum distance of 15.4 mi from Bangkok
Bangkok Suvarnabhumi Airport
Bangkok Don Mueang Intl Airport