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Did you mean flights from Bangkok to Washington?

Flights from Washington to Bangkok, Thailand Last modified: Sep 26, 2016 2:58 AM

Washington to Bangkok Last modified: Sep 26, 2016 2:58 AM

We've scanned 20,789,023,501 round trip itineraries and found the cheapest flights from Washington to Bangkok. Air China & United frequently offer the best deals on Washington to Bangkok flights, or select your preferred carrier below to see the cheapest days to fly.

Air China
WASBKK
Mon 9/26
1 stop
BKKWAS
Sun 10/2
1 stop
$628
Select
Air China
WASBKK
Mon 9/26
1 stop
BKKWAS
Mon 10/3
1 stop
$628
Select
Air China
WASBKK
Tue 9/27
1 stop
BKKWAS
Sun 10/2
1 stop
$628
Select
Air China
WASBKK
Tue 9/27
1 stop
BKKWAS
Mon 10/3
1 stop
$628
Select
Air China
WASBKK
Tue 9/27
1 stop
BKKWAS
Tue 10/4
1 stop
$628
Select
United
WASBKK
Tue 9/27
1 stop
BKKWAS
Tue 10/11
1 stop
$632
Select
United
WASBKK
Wed 9/28
1 stop
BKKWAS
Tue 10/4
1 stop
$632
Select
United
WASBKK
Tue 10/11
1 stop
BKKWAS
Tue 10/25
1 stop
$632
Select
United
WASBKK
Tue 10/11
2 stops
BKKWAS
Tue 10/25
2 stops
$632
Select
United
WASBKK
Wed 10/12
1 stop
BKKWAS
Tue 10/25
1 stop
$632
Select
All Nippon
WASBKK
Tue 9/27
1 stop
BKKWAS
Tue 10/11
1 stop
$636
Select
All Nippon
WASBKK
Tue 1/17
1 stop
BKKWAS
Thu 1/26
1 stop
$636
Select
All Nippon
WASBKK
Tue 1/17
1 stop
BKKWAS
Mon 1/30
1 stop
$636
Select
All Nippon
WASBKK
Tue 1/17
1 stop
BKKWAS
Tue 1/31
1 stop
$636
Select
All Nippon
WASBKK
Wed 1/18
1 stop
BKKWAS
Wed 1/25
1 stop
$636
Select
China Eastern
WASBKK
Wed 11/9
2 stops
BKKWAS
Fri 11/18
2 stops
$652
Select
Turkish
WASBKK
Mon 10/10
1 stop
BKKWAS
Tue 10/18
1 stop
$729
Select
Turkish
WASBKK
Tue 10/11
1 stop
BKKWAS
Tue 10/18
1 stop
$729
Select
Turkish
WASBKK
Sun 10/16
1 stop
BKKWAS
Tue 11/1
1 stop
$729
Select
Turkish
WASBKK
Mon 10/17
1 stop
BKKWAS
Mon 10/31
1 stop
$729
Select
Turkish
WASBKK
Tue 10/18
1 stop
BKKWAS
Mon 11/7
1 stop
$729
Select
American
WASBKK
Thu 1/12
2 stops
BKKWAS
Thu 1/26
2 stops
$781
Select
Qatar
WASBKK
Wed 10/26
2 stops
BKKWAS
Tue 11/15
2 stops
$808
Select
Qatar
WASBKK
Mon 11/7
2 stops
BKKWAS
Tue 11/15
2 stops
$808
Select
Qatar
WASBKK
Tue 11/8
2 stops
BKKWAS
Thu 11/17
2 stops
$808
Select
Korean
WASBKK
Mon 10/17
2 stops
BKKWAS
Sun 11/6
2 stops
$848
Select
Korean
WASBKK
Tue 10/18
2 stops
BKKWAS
Wed 10/26
2 stops
$848
Select
Korean
WASBKK
Tue 10/18
2 stops
BKKWAS
Thu 10/27
2 stops
$848
Select
Korean
WASBKK
Tue 10/18
2 stops
BKKWAS
Mon 11/7
2 stops
$848
Select
Korean
WASBKK
Wed 10/19
2 stops
BKKWAS
Tue 11/8
2 stops
$848
Select
China Southern
WASBKK
Thu 12/1
2 stops
BKKWAS
Wed 12/7
2 stops
$854
Select
Etihad
WASBKK
Mon 10/10
2 stops
BKKWAS
Mon 10/24
2 stops
$864
Select
Etihad
WASBKK
Thu 10/13
2 stops
BKKWAS
Tue 10/25
2 stops
$864
Select
Etihad
WASBKK
Tue 10/18
2 stops
BKKWAS
Wed 10/26
2 stops
$864
Select
Etihad
WASBKK
Tue 10/18
2 stops
BKKWAS
Thu 10/27
2 stops
$864
Select
Etihad
WASBKK
Wed 10/19
2 stops
BKKWAS
Mon 10/31
2 stops
$864
Select
Emirates
WASBKK
Tue 10/11
1 stop
BKKWAS
Tue 10/25
1 stop
$900
Select
Air France
WASBKK
Sun 11/20
1 stop
BKKWAS
Mon 11/28
1 stop
$952
Select
Air France
WASBKK
Wed 1/11
1 stop
BKKWAS
Wed 1/18
1 stop
$952
Select
Air France
WASBKK
Wed 1/11
1 stop
BKKWAS
Tue 1/24
1 stop
$952
Select
Air France
WASBKK
Wed 1/11
1 stop
BKKWAS
Wed 1/25
1 stop
$952
Select
Air France
WASBKK
Sun 1/15
1 stop
BKKWAS
Tue 1/24
1 stop
$952
Select
Air Canada
WASBKK
Tue 11/1
2 stops
BKKWAS
Tue 11/15
2 stops
$977
Select
China Airlines
WASBKK
Sun 11/13
2 stops
BKKWAS
Mon 11/28
2 stops
$989
Select
China Airlines
WASBKK
Tue 1/3
2 stops
BKKWAS
Tue 1/17
2 stops
$989
Select
China Airlines
WASBKK
Mon 1/9
2 stops
BKKWAS
Tue 1/17
2 stops
$989
Select
China Airlines
WASBKK
Mon 1/16
2 stops
BKKWAS
Mon 1/23
2 stops
$989
Select
Aeroflot
WASBKK
Mon 11/21
1 stop
BKKWAS
Sun 11/27
1 stop
$1,052
Select
Singapore
WASBKK
Mon 10/17
3 stops
BKKWAS
Sun 11/6
3 stops
$1,052
Select
Singapore
WASBKK
Thu 10/20
3 stops
BKKWAS
Sun 10/30
3 stops
$1,052
Select
Singapore
WASBKK
Fri 10/28
2 stops
BKKWAS
Sun 11/13
2 stops
$1,052
Select
Austrian
WASBKK
Tue 9/27
1 stop
BKKWAS
Sun 10/9
1 stop
$1,068
Select
Austrian
WASBKK
Sun 10/2
1 stop
BKKWAS
Sun 10/9
1 stop
$1,068
Select
Austrian
WASBKK
Mon 10/3
1 stop
BKKWAS
Thu 10/13
1 stop
$1,068
Select
Austrian
WASBKK
Mon 10/3
1 stop
BKKWAS
Tue 10/18
1 stop
$1,068
Select
Austrian
WASBKK
Wed 10/5
1 stop
BKKWAS
Mon 10/10
1 stop
$1,068
Select
Asiana
WASBKK
Tue 12/6
2 stops
BKKWAS
Fri 12/16
2 stops
$1,121
Select
Srilankan
WASBKK
Sun 11/20
2 stops
BKKWAS
Sat 12/3
2 stops
$1,126
Select
JAL
WASBKK
Tue 10/18
2 stops
BKKWAS
Mon 11/7
2 stops
$1,145
Select
Finnair
WASBKK
Tue 10/11
2 stops
BKKWAS
Tue 10/25
2 stops
$1,205
Select
Finnair
WASBKK
Wed 11/16
2 stops
BKKWAS
Wed 11/23
2 stops
$1,205
Select
Finnair
WASBKK
Wed 11/16
2 stops
BKKWAS
Mon 11/28
2 stops
$1,205
Select
Finnair
WASBKK
Tue 1/17
2 stops
BKKWAS
Sun 1/29
2 stops
$1,205
Select
Finnair
WASBKK
Tue 1/17
2 stops
BKKWAS
Mon 1/30
2 stops
$1,205
Select
Brussels
WASBKK
Wed 10/5
1 stop
BKKWAS
Mon 10/10
1 stop
$1,396
Select
Brussels
WASBKK
Wed 10/5
1 stop
BKKWAS
Tue 10/18
1 stop
$1,396
Select
Brussels
WASBKK
Mon 10/10
1 stop
BKKWAS
Tue 10/18
1 stop
$1,396
Select
Brussels
WASBKK
Mon 10/17
1 stop
BKKWAS
Sun 11/6
1 stop
$1,396
Select
Brussels
WASBKK
Mon 10/31
1 stop
BKKWAS
Sat 11/19
1 stop
$1,396
Select
KLM
WASBKK
Sun 1/8
1 stop
BKKWAS
Thu 1/26
1 stop
$1,400
Select
Lufthansa
WASBKK
Mon 11/14
2 stops
BKKWAS
Sun 12/4
2 stops
$1,403
Select
Lufthansa
WASBKK
Thu 11/17
2 stops
BKKWAS
Tue 11/22
2 stops
$1,403
Select
Lufthansa
WASBKK
Thu 11/17
2 stops
BKKWAS
Thu 11/24
2 stops
$1,403
Select
Lufthansa
WASBKK
Thu 11/17
2 stops
BKKWAS
Tue 11/29
2 stops
$1,403
Select
Lufthansa
WASBKK
Thu 11/17
2 stops
BKKWAS
Thu 12/1
2 stops
$1,403
Select
Royal Jordanian
WASBKK
Thu 10/27
2 stops
BKKWAS
Sat 11/5
2 stops
$1,456
Select
Royal Jordanian
WASBKK
Thu 11/17
2 stops
BKKWAS
Sat 11/26
2 stops
$1,456
Select
Royal Jordanian
WASBKK
Sat 11/19
2 stops
BKKWAS
Sat 11/26
2 stops
$1,456
Select
Royal Jordanian
WASBKK
Sat 11/19
2 stops
BKKWAS
Sat 12/3
2 stops
$1,456
Select
Royal Jordanian
WASBKK
Sun 11/20
2 stops
BKKWAS
Sat 11/26
2 stops
$1,456
Select
Jet Airways
WASBKK
Tue 9/27
2 stops
BKKWAS
Sun 10/9
2 stops
$1,493
Select
Jet Airways
WASBKK
Tue 9/27
2 stops
BKKWAS
Mon 10/10
2 stops
$1,493
Select
Jet Airways
WASBKK
Wed 9/28
2 stops
BKKWAS
Sun 10/9
2 stops
$1,493
Select
Jet Airways
WASBKK
Wed 10/19
2 stops
BKKWAS
Sun 10/30
2 stops
$1,493
Select
Jet Airways
WASBKK
Thu 10/20
2 stops
BKKWAS
Sun 10/23
2 stops
$1,493
Select
Thai
WASBKK
Wed 1/4
2 stops
BKKWAS
Mon 1/23
2 stops
$2,021
Select
Thai
WASBKK
Mon 1/9
2 stops
BKKWAS
Wed 1/25
2 stops
$2,021
Select
Thai
WASBKK
Tue 1/10
2 stops
BKKWAS
Tue 1/24
2 stops
$2,021
Select
Thai
WASBKK
Tue 1/10
2 stops
BKKWAS
Wed 1/25
2 stops
$2,021
Select
Thai
WASBKK
Wed 1/11
2 stops
BKKWAS
Mon 1/23
2 stops
$2,021
Select
British Airways
WASBKK
Fri 11/25
1 stop
BKKWAS
Sat 12/10
1 stop
$2,621
Select
British Airways
WASBKK
Mon 1/9
1 stop
BKKWAS
Mon 1/23
1 stop
$2,621
Select
Qantas
WASBKK
Thu 11/3
2 stops
BKKWAS
Wed 11/16
2 stops
$2,637
Select
Swiss
WASBKK
Sun 12/18
2 stops
BKKWAS
Sat 1/7
2 stops
$5,335
Select

How Much is a Flight from Washington to Bangkok?

We have collected flight cost data from across the web for travel from Washington to Bangkok, and have found the average flight price for this trip to be $637.

Where To Buy Cheap Flights from Washington to Bangkok?

The best way to find a great deal on airfare is to search multiple sites. When you run a search on FareCompare, we search multiple sites and fare sources all at once so you don't have to - which is why we thinking FareCompare is the best place to find cheap tickets. Airlines can adjust prices for tickets from Washington to Bangkok based on the day and time that you decide to book your flight. We have collected data from all airlines, and have found that Tuesdays, Wednesdays, and Saturdays are often the best days to book flights. If you'd like to learn more, read our article about the best time to buy airline tickets.

How far in advance should I book tickets from Washington to Bangkok?

The chart below shows up-to-date information regarding how far in advance to book your flight from Washington to Bangkok.

Non Stop versus Connecting
Advanced PurchaseNon StopConnecting
< 7 days $0 $628
7-14 days $0 $628
14-21 days $0 $628
21-30 days $0 $628
30-60 days $0 $628
60-90 days $0 $628
90+ days $0 $628

Cheapest Day To Fly from Washington to Bangkok

We've examined 20,795,316,600 itinerary searches that we've seen for departures in the next 90 days and found that the cheapest day to fly from Washington to Bangkok is Monday. See the chart below to compare prices for other days of the week.

Monday Tuesday Wednesday Thursday Friday Saturday Sunday
$628 $628 $632 $628 $657 $628 $657

Compare Flight Prices from Washington to Bangkok by Month

Low priced flights are most commonly available by purchasing between one and three months in advance. International or holiday flights may need to be purchased even further in advance. The chart below shows the cheapest flight prices by month for Washington to Bangkok flights.

Month Origin Destination Carrier Depart Date Return Date Stops Price
September Washington Bangkok Air China 9/26/16 10/2/16 1 $628
October Washington Bangkok Air China 10/3/16 10/10/16 1 $628
November Washington Bangkok Air China 11/1/16 11/8/16 1 $628
December Washington Bangkok Air China 12/1/16 12/5/16 1 $628
January Washington Bangkok Air China 1/17/17 1/30/17 1 $628
February Washington Bangkok Air China 2/13/17 2/17/17 1 $628
March Washington Bangkok Air China 3/2/17 3/9/17 1 $628
April Washington Bangkok Air China 4/1/17 4/5/17 1 $628

Cheap Last Minute Flights from Washington to Bangkok

Looking for cheap last minute flights or a weekend getaway? We've got you covered with weekend flight deals from Washington to Bangkok. The chart below shows the best last minute deals and cheap flights this weekend we could find.

Next 30 Days

SunMonTueWedThuFriSat
25 26 27 28 29 30 1
$642
2 3 4 5 6 7 8
$642 $1,068
9 10 11 12 13 14 15
$1,068 $753
16 17 18 19 20 21 22
$753 $753
23 24 25 26 27 28 29
$753 $628
30 31 1 2 3 4 5
$628

Connecting Flights vs Direct Flights from Washington to Bangkok

Flights between some cities may be significantly cheaper if you choose a multi-stop airline ticket. Although these connecting flights sacrifice some convenience, on average, travelers save 20%-60% when they choose to fly multi-stop versus a direct flight.

The average price for connecting flights from Washington to Bangkok is $1,420.

The average price for direct flights from Washington to Bangkok is not available.

One Way Flights vs Round Trip Flights from Washington to Bangkok

We have found that there is often no price difference between buying a round trip flight versus a one way flight. Increased flexibility is the main benefit when it comes to buying a one way flight from Washington to Bangkok. However, booking a round trip flight can be a simpler process. You can compare round trip and one way flights by using our flight comparison.

The average price for one way flights from Washington to Bangkok is not available.

The average price for round trip flights from Washington to Bangkok is $1,420.

Washington to Bangkok Flight Questions

Below are some common questions that asked about this flight route:

Question: What are the most popular connecting cities when flying from Washington to Bangkok?
Answer: London, GB

Airlines in Washington flying to Bangkok Last modified: Sep 26, 2016 2:58 AMNumber of routes searched: 36Number of itineraries searched: 319,152

Wondering which airlines fly out of Washington to Bangkok? We've gathered the average price of Washington airlines with flights to Bangkok. Different airlines offer different levels of comfort and service, so consider convenience when choosing your airline.

Below is the full flight schedule summary showing which days of the week individual carriers offer flights for the next 30 days.

Washington to Bangkok
Airline Connections Mon Tue Wed Thu Fri Sat Sun
Qatar DOH
Turkish IST
Etihad AUH
All Nippon NRT
Emirates DXB
Air China PEK
Korean ICN
Lufthansa FRA
Ethiopian ADD
Air France CDG
Austrian VIE
KLM AMS
Brussels BRU
Lufthansa MUC / FRA
Lufthansa LHR / FRA
Air China PEK / HGH
Aeroflot SVO
Lufthansa DUB / FRA
Swiss ZRH
Lufthansa AMS / FRA
Air China PEK / SZX
British Airways LHR
Air China PEK / XIY
Swiss GVA / ZRH
Austrian LHR / VIE
Finnair LHR / HEL
Air China PEK / JJN

Washington to Bangkok Airports

These are the major commercial airports we're currently monitoring in Washington and Bangkok. If your route includes a city with multiple airports, you may be able to find substantial savings by choosing an alternate airport.

Farecompare Research Tools

FareCompare's Flight Schedule Search Tool helps you find information about airline schedule filings, including flight numbers, depart times, and travel distance.

Cheap International Flights from Washington - WAS

FlightsAirlineLowest Price
Flights from Washington to London Jet Airways, American, Air Canada, Air France, AeroMexico, Royal Air Maroc, Finnair, British Airways, Delta, Aer Lingus, Icelandair, Iberia, KLM, Lufthansa, Swiss, Austrian, SAS, Brussels, Turkish, Tap Portugal, United, Virgin Atlantic $448
Flights from Washington to Beijing American, Air Berlin, Air Canada, Air France, Finnair, Alitalia, British Airways, Air China, China Airlines, Cathay, China Southern, Delta, Emirates, Etihad, JAL, Korean, KLM, Lufthansa, Swiss, China Eastern, All Nippon, Austrian, Asiana, Qatar, Brussels, Singapore, Aeroflot, Turkish, United $621
Flights from Washington to Ho Chi Minh City American, Air Canada, Air France, Finnair, British Airways, Air China, China Airlines, Cathay, China Southern, Delta, Emirates, Etihad, JAL, Korean, KLM, Lufthansa, China Eastern, All Nippon, Austrian, Asiana, Qatar, Singapore, Aeroflot, Thai, Turkish, United, Vietnam $587
Flights from Washington to Hong Kong American, Air Canada, Air France, Finnair, British Airways, Air China, China Airlines, Cathay, China Southern, Delta, Emirates, Ethiopian, Etihad, JAL, Korean, KLM, Lufthansa, Swiss, China Eastern, All Nippon, Austrian, Asiana, Qantas, Qatar, Royal Jordanian, South African, Singapore, Aeroflot, Turkish, United, Virgin Atlantic $623
Flights from Washington to Delhi Jet Airways, American, Air Canada, Air France, Air India, Finnair, British Airways, Air China, China Airlines, Cathay, China Southern, Delta, Emirates, Etihad, JAL, Korean, KLM, Lufthansa, Swiss, China Eastern, All Nippon, Austrian, Qatar, Singapore, Aeroflot, Saudi Arabian, Turkish, United, Srilankan, Virgin Atlantic $706
Flights from Washington to Singapore Jet Airways, American, Air Canada, Air France, Royal Air Maroc, Finnair, JetBlue, British Airways, Air China, China Airlines, China Southern, Delta, Aer Lingus, Emirates, Etihad, JAL, Korean, KLM, Lufthansa, Swiss, China Eastern, All Nippon, Austrian, Asiana, Qantas, Qatar, South African, Brussels, Singapore, Saudi Arabian, Thai, Turkish, United, Srilankan, Virgin Atlantic $731
Flights from Washington to Kuala Lumpur American, Air Canada, Air France, British Airways, Air China, China Airlines, Cathay, China Southern, Delta, Emirates, Ethiopian, Etihad, JAL, Korean, KLM, Lufthansa, Swiss, China Eastern, All Nippon, Austrian, Qatar, Royal Jordanian, Singapore, Saudi Arabian, Thai, Turkish, United, Srilankan $629
Flights from Washington to Manila Air France, Air China, China Airlines, Cathay, China Southern, Delta, Emirates, Ethiopian, Etihad, JAL, Korean, KLM, China Eastern, All Nippon, Asiana, Qantas, Qatar, Singapore, Saudi Arabian, Thai, Turkish, United $577
Flights from Washington to Yangon Air France, Air China, China Airlines, Cathay, China Southern, Emirates, Etihad, Korean, Lufthansa, China Eastern, All Nippon, Qatar, Singapore, Thai $824
Flights from Washington to Phnom Penh Air France, British Airways, China Airlines, China Southern, Delta, Emirates, Etihad, Korean, Lufthansa, China Eastern, All Nippon, Austrian, Asiana, Qatar, Singapore, Thai $681
Flights from Washington to Paris American, Air Canada, Air France, AeroMexico, Royal Air Maroc, British Airways, Delta, Aer Lingus, Icelandair, Iberia, KLM, Lufthansa, Swiss, Austrian, Qatar, SAS, Brussels, Tap Portugal, United $471
Flights from Washington to Shanghai American, Air Canada, Air France, AeroMexico, Finnair, Alitalia, British Airways, Air China, China Airlines, Cathay, China Southern, Delta, Emirates, Etihad, JAL, Korean, KLM, Lufthansa, Swiss, China Eastern, All Nippon, Austrian, Asiana, Qatar, Singapore, Aeroflot, Turkish, United, Srilankan, Virgin Atlantic $619

Cheap International Flights to Bangkok - BKK

FlightsAirlineLowest Price
Flights from Philadelphia to Bangkok American, Air Berlin, Air Canada, Air France, Finnair, British Airways, Air China, Cathay, China Southern, Delta, Emirates, Etihad, Iberia, JAL, KLM, Lufthansa, Swiss, China Eastern, All Nippon, Qantas, Qatar, Brussels, Turkish, United $692
Flights from Newark to Bangkok Air France, Air India, Finnair, British Airways, Air China, China Airlines, Cathay, China Southern, Delta, Emirates, Ethiopian, JAL, Korean, KLM, Lufthansa, Swiss, El Al, All Nippon, Austrian, Asiana, Qatar, Brussels, Singapore, Tap Portugal, United $588
Flights from Baltimore to Bangkok American, Air Canada, Air France, Finnair, British Airways, Air China, Delta, Emirates, JAL, KLM, Lufthansa, China Eastern, Qatar, United $628
Flights from Pittsburgh to Bangkok American, Air France, British Airways, Air China, JAL, Lufthansa, Qatar $742
Flights from Norfolk to Bangkok American, British Airways, Delta, Qantas, Qatar, United $774
Flights from Richmond to Bangkok American, Air France, British Airways, Emirates, JAL, Qantas, United $784
Flights from Harrisburg to Bangkok American, Air Canada $912
Flights from Charlottesville to Bangkok American, Delta $2,417
Flights from State College to Bangkok Delta, United Check Dates
Flights from Roanoke to Bangkok American, United $1,156
Flights from Wilkes - Barre to Bangkok Delta, United $1,435
Flights from Philadelphia to Ho Chi Minh City American, Air Berlin, Air Canada, Air France, British Airways, Air China, Cathay, China Southern, Delta, Emirates, Etihad, JAL, Lufthansa, China Eastern, All Nippon, Qatar, Turkish, United $692
Flights from Newark to Singapore American, Air France, Air India, Finnair, British Airways, Air China, China Airlines, Cathay, China Southern, Delta, Aer Lingus, Emirates, Ethiopian, Etihad, JAL, Korean, KLM, Lufthansa, Swiss, All Nippon, Asiana, Qantas, Qatar, SAS, Brussels, Singapore, Tap Portugal, United, Virgin Atlantic $587
Flights from Philadelphia to London American, Air Berlin, Air Canada, Air France, Finnair, British Airways, Delta, Aer Lingus, Iberia, KLM, Lufthansa, Qatar, Brussels, Turkish, United, Virgin Atlantic $671
Flights from Newark to Manila Air France, Air China, China Airlines, Cathay, China Southern, Delta, Emirates, JAL, KLM, All Nippon, Asiana, Qantas, Qatar, Singapore, United $517
Flights from Newark to Ho Chi Minh City American, Air Canada, Air France, British Airways, Air China, China Airlines, Cathay, China Southern, Delta, Emirates, Etihad, JAL, Korean, KLM, Lufthansa, All Nippon, Austrian, Asiana, Qatar, Singapore, United $587
Flights from Newark to Delhi American, Air Canada, Air France, Air India, British Airways, China Southern, KLM, Lufthansa, Swiss, United $543
Flights from Philadelphia to Singapore American, Air Berlin, Air Canada, Air France, Finnair, British Airways, Air China, Cathay, Delta, Aer Lingus, Emirates, Etihad, Iberia, JAL, KLM, Lufthansa, China Eastern, All Nippon, Qantas, Qatar, Turkish, United $791
Cheap Flights from Washington to Bangkok