$609+ Cheap flights from Washington, D.C. (WAS) to Chiang Mai (CNX)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/9. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — CNX
Jun 1 — Jun 81
Round-trip
1 adult, Economy
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Cheapest flights from Washington, D.C. to Chiang MaiExplore the most affordable flight options available from Washington, D.C. to Chiang Mai. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 2, 2026.
Explore the most affordable flight options available from Washington, D.C. to Chiang Mai. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 2, 2026.
This Trip.com deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/79:00 pm
IAD
- CNX
2 stops29h 50m
Multiple Airlines
Tue 9/2210:30 pm
CNX
- IAD
2 stops28h 10m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$1,086
This Trip.com deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/123:10 pm
IAD
- CNX
2 stops45h 15m
Multiple Airlines
Fri 7/313:45 pm
CNX
- IAD
2 stops53h 00m
Multiple Airlines
Deal found 5/2![Multiple Airlines logo]()
$1,099
This Trip.com deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/103:10 pm
IAD
- CNX
2 stops45h 15m
Multiple Airlines
Sat 5/1610:30 pm
CNX
- IAD
2 stops46h 15m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$1,103
This Trip.com deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/159:00 pm
IAD
- CNX
2 stops33h 55m
Multiple Airlines
Mon 10/265:20 pm
CNX
- IAD
2 stops34h 35m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$1,117
This IEagle deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure IEagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/49:00 pm
IAD
- CNX
2 stops35h 10m
Multiple Airlines
Tue 5/269:10 pm
CNX
- IAD
2 stops32h 10m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$1,123
This FlightHub deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/109:00 pm
IAD
- CNX
2 stops27h 15m
Multiple Airlines
Wed 9/92:35 pm
CNX
- IAD
2 stops36h 05m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$1,132
This IEagle deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure IEagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/18:05 pm
IAD
- CNX
2 stops27h 25m
Multiple Airlines
Tue 11/177:45 pm
CNX
- IAD
2 stops32h 10m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$1,133
This Justfly.com deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/278:05 pm
IAD
- CNX
2 stops26h 20m
Multiple Airlines
Mon 11/97:45 pm
CNX
- IAD
2 stops32h 10m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$1,139
This oojo deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/153:10 pm
IAD
- CNX
2 stops57h 05m
Etihad Airways
Mon 10/268:50 am
CNX
- IAD
1 stop36h 15m
Etihad Airways
Deal found 4/30![Etihad Airways logo]()
$1,148
This IEagle deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure IEagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/288:05 pm
IAD
- CNX
2 stops28h 25m
Multiple Airlines
Sun 11/89:05 pm
CNX
- IAD
2 stops30h 50m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$1,161
This FlightHub deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/278:05 pm
IAD
- CNX
2 stops26h 20m
Multiple Airlines
Sat 11/712:10 pm
CNX
- IAD
2 stops32h 10m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$1,168
This IEagle deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure IEagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/307:16 pm
BWI
- CNX
2 stops28h 09m
Multiple Airlines
Wed 5/611:35 am
CNX
- BWI
2 stops29h 09m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$1,286
Best flights from Washington, D.C. to Chiang MaiDiscover carefully curated flight deals from Washington, D.C. to Chiang Mai that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 2, 2026.
Discover carefully curated flight deals from Washington, D.C. to Chiang Mai that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 2, 2026.
This Trip.com deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/13:10 pm
IAD
- CNX
2 stops45h 15m
Multiple Airlines
Thu 6/113:45 pm
CNX
- IAD
2 stops29h 00m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$1,239
This Emirates deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/3110:55 am
IAD
- CNX
2 stops35h 25m
Emirates
Sun 8/238:00 pm
CNX
- IAD
2 stops47h 40m
Emirates
Deal found 4/28![Emirates logo]()
$1,628
This Korean Air deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/191:30 pm
IAD
- CNX
1 stop44h 15m
Korean Air
Thu 10/19:45 pm
CNX
- IAD
1 stop24h 20m
Korean Air
Deal found 5/2![Korean Air logo]()
$2,071
This Malaysia Airlines deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Malaysia Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/199:00 pm
IAD
- CNX
2 stops29h 40m
Malaysia Airlines
Thu 10/110:10 am
CNX
- IAD
3 stops40h 30m
Malaysia Airlines
Deal found 5/2![Malaysia Airlines logo]()
$2,405
This FlightHub deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/159:30 am
DCA
- CNX
2 stops61h 55m
Multiple Airlines
Mon 10/2611:50 am
CNX
- DCA
2 stops43h 10m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$1,324
This FlightHub deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/246:16 pm
BWI
- CNX
2 stops29h 09m
Multiple Airlines
Wed 10/1411:35 am
CNX
- BWI
2 stops29h 46m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$1,351
This FlightHub deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/86:07 pm
BWI
- CNX
2 stops29h 18m
Multiple Airlines
Thu 9/311:35 am
CNX
- BWI
2 stops29h 55m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$1,445
This FlightHub deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/156:11 pm
BWI
- CNX
2 stops29h 09m
Multiple Airlines
Mon 10/2611:25 am
CNX
- BWI
2 stops29h 56m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$1,548
This China Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1612:40 pm
BWI
- CNX
3 stops34h 40m
Multiple Airlines
Sat 10/2411:20 am
CNX
- BWI
2 stops30h 01m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$1,622
This Malaysia Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Malaysia Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/149:00 pm
IAD
- CNX
3 stops35h 10m
Malaysia Airlines
Mon 10/58:00 pm
CNX
- IAD
3 stops47h 55m
Malaysia Airlines
Deal found 4/29![Malaysia Airlines logo]()
$2,555
This Mytrip deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/712:40 pm
DCA
- CNX
3 stops33h 05m
Multiple Airlines
Tue 9/2210:30 pm
CNX
- DCA
3 stops34h 20m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$1,626
This China Airlines deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/95:00 pm
BWI
- CNX
3 stops30h 20m
Multiple Airlines
Thu 9/311:20 am
CNX
- BWI
2 stops30h 10m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$1,728
This Malaysia Airlines deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Malaysia Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/219:00 pm
IAD
- CNX
3 stops35h 10m
Malaysia Airlines
Tue 8/410:10 am
CNX
- IAD
3 stops40h 30m
Malaysia Airlines
Deal found 4/30![Malaysia Airlines logo]()
$3,019
This Justfly.com deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/199:59 am
DCA
- CNX
2 stops43h 21m
Multiple Airlines
Thu 10/15:20 pm
CNX
- DCA
2 stops37h 40m
Multiple Airlines
Deal found 5/2![Multiple Airlines logo]()
$1,779
This Mytrip deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/2512:45 pm
DCA
- CNX
3 stops34h 00m
Multiple Airlines
Mon 6/16:35 am
CNX
- DCA
3 stops27h 38m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$1,847
This Mytrip deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/112:45 pm
DCA
- CNX
3 stops34h 00m
Multiple Airlines
Thu 6/117:25 pm
CNX
- DCA
3 stops33h 48m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$1,863
This FlightHub deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/16:59 pm
DCA
- CNX
2 stops52h 26m
Multiple Airlines
Tue 8/1111:35 am
CNX
- DCA
2 stops43h 25m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$1,881
This Qatar Airways deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/181:07 pm
BWI
- CNX
3 stops35h 08m
Multiple Airlines
Sat 10/249:10 pm
CNX
- BWI
3 stops37h 21m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$1,981
This Trip.com deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/126:59 pm
DCA
- CNX
2 stops52h 26m
Multiple Airlines
Fri 7/3111:35 am
CNX
- DCA
2 stops41h 24m
Multiple Airlines
Deal found 5/2![Multiple Airlines logo]()
$2,011
This FlightHub deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/209:59 am
DCA
- CNX
2 stops61h 26m
Multiple Airlines
Fri 7/311:35 am
CNX
- DCA
2 stops46h 55m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$2,015
This Justfly.com deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/256:03 am
IAD
- CNX
2 stops41h 22m
Multiple Airlines
Mon 7/611:35 am
CNX
- IAD
1 stop21h 55m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$2,063
This Malaysia Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Malaysia Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/149:00 pm
IAD
- CNX
2 stops29h 40m
Multiple Airlines
Mon 10/59:10 pm
CNX
- IAD
3 stops46h 45m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$2,371
This Kiwi.com deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/251:20 pm
IAD
- CNX
1 stop46h 20m
Multiple Airlines
Mon 6/111:05 pm
CNX
- IAD
1 stop31h 25m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$3,035
Last-minute flights from Washington, D.C. to Chiang MaiDiscover last-minute flight deals from Washington, D.C. to Chiang Mai. Data last updated May 2, 2026 and is based on user searches.
Discover last-minute flight deals from Washington, D.C. to Chiang Mai. Data last updated May 2, 2026 and is based on user searches.
This Justfly.com deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/29:00 pm
IAD
- CNX
2 stops27h 15m
Multiple Airlines
Thu 5/78:00 pm
CNX
- IAD
2 stops33h 20m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$1,316
This Travelocity deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/27:04 am
BWI
- CNX
2 stops40h 21m
Multiple Airlines
Thu 5/711:35 am
CNX
- BWI
2 stops29h 09m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$1,411
This IEagle deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure IEagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/49:00 pm
IAD
- CNX
2 stops35h 10m
Multiple Airlines
Tue 5/269:10 pm
CNX
- IAD
2 stops32h 10m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$1,123
This IEagle deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure IEagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/46:59 pm
DCA
- CNX
2 stops52h 26m
Multiple Airlines
Tue 5/2611:35 am
CNX
- DCA
2 stops43h 31m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$1,327
This Trip.com deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/59:00 pm
IAD
- CNX
2 stops32h 45m
Multiple Airlines
Thu 5/710:20 pm
CNX
- IAD
2 stops31h 00m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$1,433
This BusinessClass deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/66:59 pm
DCA
- CNX
2 stops28h 26m
Multiple Airlines
Tue 5/1211:35 am
CNX
- DCA
2 stops46h 24m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$1,425
This Trip.com deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/103:10 pm
IAD
- CNX
2 stops45h 15m
Multiple Airlines
Sat 5/1610:30 pm
CNX
- IAD
2 stops46h 15m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$1,103
This IEagle deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure IEagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/107:04 am
BWI
- CNX
2 stops40h 21m
Multiple Airlines
Sat 5/1611:35 am
CNX
- BWI
2 stops29h 53m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$1,421
This Trip.com deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/123:10 pm
IAD
- CNX
2 stops45h 15m
Multiple Airlines
Fri 7/313:45 pm
CNX
- IAD
2 stops53h 00m
Multiple Airlines
Deal found 5/2![Multiple Airlines logo]()
$1,099
This Trip.com deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/13:10 pm
IAD
- CNX
2 stops45h 15m
Multiple Airlines
Thu 6/113:45 pm
CNX
- IAD
2 stops29h 00m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$1,239
This Trip.com deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/13:10 pm
IAD
- CNX
2 stops45h 15m
Multiple Airlines
Tue 6/3010:30 pm
CNX
- IAD
2 stops46h 15m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$1,296
This Trip.com deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/126:50 pm
IAD
- CNX
2 stops38h 35m
Multiple Airlines
Fri 6/198:00 am
CNX
- IAD
2 stops42h 40m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$1,357
One-way flights from Washington, D.C. to Chiang MaiSearch for one-way flight options from Washington, D.C. to Chiang Mai. Find affordable one-way fares based on user searches. Data last updated May 2, 2026.
Search for one-way flight options from Washington, D.C. to Chiang Mai. Find affordable one-way fares based on user searches. Data last updated May 2, 2026.
This FlightHub deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/99:00 pm
IAD
- CNX
2 stops35h 10m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$609
This Trip.com deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/103:10 pm
IAD
- CNX
2 stops45h 15m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$617
This Kiwi.com deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/238:48 pm
BWI
- CNX
3 stops49h 57m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$672
This Kiwi.com deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/207:50 am
BWI
- CNX
3 stops42h 15m
Multiple Airlines
Deal found 5/2![Multiple Airlines logo]()
$701
This Kiwi.com deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/214:29 pm
BWI
- CNX
3 stops57h 21m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$704
This FlightHub deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/96:59 pm
DCA
- CNX
2 stops28h 26m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$706
This FlightHub deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/96:16 pm
BWI
- CNX
2 stops29h 09m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$731
This Kiwi.com deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/248:48 pm
BWI
- CNX
3 stops49h 57m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$741
This Trip.com deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/219:45 pm
IAD
- CNX
2 stops26h 35m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$742
This FlightHub deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/119:00 pm
IAD
- CNX
2 stops32h 15m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$750
This Kiwi.com deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/202:25 pm
BWI
- CNX
3 stops32h 20m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$756
This Kiwi.com deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/207:00 am
DCA
- CNX
3 stops39h 45m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$756
Find flight deals from Washington, D.C. to Chiang Mai
Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) to Chiang Mai (CNX). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated May 2, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,086 (Trip.com) |
One-way from | $609 (FlightHub) |
Popular in | May |
Cheapest in | January |
Average price | $1,684 |
Cheapflights Fare Finder
Customize your flight search to find flights from Washington, D.C. to Chiang Mai 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, Cheapflights users made 2,558,603 searches. Data last updated May 2, 2026.
Use the filters below to find and compare flights from Washington, D.C. to Chiang Mai that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Washington, D.C.Chiang Mai
IAD - CNX
IADCNX
Washington, D.C. Dulles Intl
Mon 6/1
3:10 pm-11:25 pm
2 stops45h 15m
Chiang Mai
Thu 6/11
3:45 pm-9:45 am
2 stops29h 00m
$1,239
Washington, D.C.Chiang Mai
DCA - CNX
DCACNX
Washington, D.C. Reagan-National
Thu 10/15
9:30 am-10:25 am
2 stops61h 55m
Chiang Mai
Mon 10/26
11:50 am-8:00 pm
2 stops43h 10m
$1,324
Quickest round-trip
BaltimoreChiang Mai
BWI - CNX
BWICNX
Baltimore/Washington
Thu 9/24
6:16 pm-10:25 am
2 stops29h 09m
Chiang Mai
Wed 10/14
11:35 am-6:21 am
2 stops29h 46m
$1,351
BaltimoreChiang Mai
BWI - CNX
BWICNX
Baltimore/Washington
Sat 8/8
6:07 pm-10:25 am
2 stops29h 18m
Chiang Mai
Thu 9/3
11:35 am-6:30 am
2 stops29h 55m
$1,445
BaltimoreChiang Mai
BWI - CNX
BWICNX
Baltimore/Washington
Thu 10/15
6:11 pm-10:20 am
2 stops29h 09m
Chiang Mai
Mon 10/26
11:25 am-6:21 am
2 stops29h 56m
$1,548
BaltimoreChiang Mai
BWI - CNX
BWICNX
Baltimore/Washington
Fri 10/16
12:40 pm-10:20 am
3 stops34h 40m
Chiang Mai
Sat 10/24
11:20 am-6:21 am
2 stops30h 01m
$1,622
Washington, D.C.Chiang Mai
DCA - CNX
DCACNX
Washington, D.C. Reagan-National
Mon 9/7
12:40 pm-8:45 am
3 stops33h 05m
Chiang Mai
Tue 9/22
10:30 pm-9:50 pm
3 stops34h 20m
$1,626
Washington, D.C.Chiang Mai
IAD - CNX
IADCNX
Washington, D.C. Dulles Intl
Fri 7/31
10:55 am-9:20 am
2 stops35h 25m
Chiang Mai
Sun 8/23
8:00 pm-8:40 am
2 stops47h 40m
$1,628
BaltimoreChiang Mai
BWI - CNX
BWICNX
Baltimore/Washington
Sun 8/9
5:00 pm-10:20 am
3 stops30h 20m
Chiang Mai
Thu 9/3
11:20 am-6:30 am
2 stops30h 10m
$1,728
Washington, D.C.Chiang Mai
DCA - CNX
DCACNX
Washington, D.C. Reagan-National
Sun 7/19
9:59 am-4:20 pm
2 stops43h 21m
Chiang Mai
Thu 10/1
5:20 pm-8:00 pm
2 stops37h 40m
$1,779
Showing 1-10 of 53 resultsSorted by cheapest first
Compare providers for flights from Washington, D.C. to Chiang Mai
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Washington, D.C. to Chiang Mai in May.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Washington, D.C.-Chiang Mai flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C.-Chiang Mai flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C.-Chiang Mai flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Washington, D.C.-Chiang Mai flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C.-Chiang Mai flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Washington, D.C. to Chiang Mai
Have a flexible travel schedule? Discover the best time to fly to Chiang Mai from Washington, D.C. with our price prediction graph.
WAS-CNX
IAD-CNX
DCA-CNX
BWI-CNX
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Washington, D.C. to Chiang Mai
WAS-CNX
IAD-CNX
DCA-CNX
BWI-CNX
What is the cheapest month to book a flight from Washington, D.C. to Chiang Mai?
Currently, June is the cheapest month in which you can book a flight from Washington, D.C. to Chiang Mai (average of $572). Flying from Washington, D.C. to Chiang Mai in September is currently the most expensive (average of $1,525). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How much does it cost to fly round-trip from Washington, D.C. to Chiang Mai?
Reviews of airlines servicing Chiang Mai
Get insights into the airlines that provide service to Chiang Mai. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Chiang Mai. Reviews last updated May 2, 2026.
See what other customers who have flown with EVA Air,Korean Air, andDelta from Washington, D.C. to Chiang Mai have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
8.1
Boarding
8.4
Overall
8.5
Comfort
8.3
Crew
8.7
Entertainment
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
CRK - TPE
Food
8.1
Boarding
8.4
Overall
8.5
Comfort
8.3
Crew
8.7
Entertainment
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
CRK - TPE
Food
8.1
Boarding
8.4
Overall
8.5
Comfort
8.3
Crew
8.7
Entertainment
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
CRK - TPE
Food
8.1
Boarding
8.4
Overall
8.5
Comfort
8.3
Crew
8.7
Entertainment
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
CRK - TPE
Related info for your journey
Find useful and relevant information for your journey from Washington, D.C. to Chiang Mai. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Other flights to Chiang Mai
Explore flights to Chiang Mai departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on May 2, 2026.
Complete your trip
Complete your trip to Chiang Mai by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Washington, D.C. to Chiang Mai by cabin class
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Washington, D.C. and Chiang Mai flights
Browse other Washington, D.C. and Chiang Mai flight options. Last updated on May 2, 2026.
Other flights from Washington, D.C.
Browse through other flights departing from Washington, D.C.. Flights are based on user searches made on Cheapflights and were last updated on May 2, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Washington, D.C. to Chiang Mai flights
Consider these flights traveling from Washington, D.C. to Chiang Mai.
Top 3 airlines flying from Washington, D.C. to Chiang Mai
Discover the top 3 airlines that operate flights from Washington, D.C. to Chiang Mai. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 2, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$673 | Average$1,398 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$798 | Average$1,135 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$1,040 | Average$1,296 | FlexibilityNo cancel fee | On-time74% |