$301+ Cheap flights from Dulles Intl (IAD) to Bulgaria
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/18. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SOF
Oct 15 — Oct 221
Round-trip
1 adult, Economy
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Cheapest flights from Dulles Intl to BulgariaExplore the most affordable flight options available from Dulles Intl to Bulgaria. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2026.
Explore the most affordable flight options available from Dulles Intl to Bulgaria. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2026.
This British Airways deal was found by Cheapflights users on 9/13. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/187:15 pm -
1 stop17h 05m
Mon 11/25:15 pm -
1 stop33h 40m
Deal found 9/13![British Airways logo]()
$590
This Mytrip deal was found by Cheapflights users on 9/13. 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 10/54:00 pm -
2 stops26h 05m
Mon 10/195:25 pm -
2 stops33h 00m
Deal found 9/13![Multiple Airlines logo]()
$596
This Kiwi.com deal was found by Cheapflights users on 9/14. 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.
Wed 11/410:55 pm -
1 stop12h 25m
Wed 11/187:55 am -
1 stop13h 15m
Deal found 9/14![Multiple Airlines logo]()
$601
This Cheapflightsfares deal was found by Cheapflights users on 9/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/16:10 pm -
1 stop22h 45m
Tue 12/87:55 am -
1 stop13h 15m
Deal found 9/11![Austrian Airlines logo]()
$607
This oojo deal was found by Cheapflights users on 9/12. 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.
Wed 11/1810:55 pm -
1 stop12h 25m
Wed 11/256:00 am -
1 stop21h 05m
Deal found 9/12![Lufthansa logo]()
$609
This Gotogate deal was found by Cheapflights users on 9/12. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/188:10 pm -
1 stop12h 15m
Wed 11/256:00 am -
2 stops21h 10m
Deal found 9/12![Multiple Airlines logo]()
$611
This Mytrip deal was found by Cheapflights users on 9/14. 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 10/124:00 pm -
2 stops26h 05m
Mon 10/195:25 pm -
2 stops29h 40m
Deal found 9/14![Multiple Airlines logo]()
$614
This Mytrip deal was found by Cheapflights users on 9/13. 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.
Tue 12/110:55 pm -
1 stop17h 00m
Tue 12/86:00 am -
2 stops21h 10m
Deal found 9/13![Multiple Airlines logo]()
$615
This Mytrip deal was found by Cheapflights users on 9/13. 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 11/1610:55 pm -
1 stop12h 25m
Tue 12/86:00 am -
2 stops21h 10m
Deal found 9/13![Multiple Airlines logo]()
$617
This Turkish Airlines deal was found by Cheapflights users on 9/14. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/209:40 pm -
1 stop16h 45m
Tue 11/249:40 am -
1 stop16h 45m
Deal found 9/14![Turkish Airlines logo]()
$701
This Turkish Airlines deal was found by Cheapflights users on 9/14. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/281:15 pm -
1 stop12h 15m
Mon 10/199:20 am -
1 stop17h 25m
Deal found 9/14![Turkish Airlines logo]()
$741
This Turkish Airlines deal was found by Cheapflights users on 9/14. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/189:40 pm -
1 stop27h 50m
Tue 11/249:40 am -
1 stop33h 05m
Deal found 9/14![Turkish Airlines logo]()
$751
Best flights from Dulles Intl to BulgariaDiscover carefully curated flight deals from Dulles Intl to Bulgaria that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 15, 2026.
Discover carefully curated flight deals from Dulles Intl to Bulgaria that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 15, 2026.
This United Airlines deal was found by Cheapflights users on 9/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1812:37 pm -
2 stops16h 13m
Wed 11/256:00 am -
2 stops17h 35m
Deal found 9/12![United Airlines logo]()
$639
This Mytrip deal was found by Cheapflights users on 9/13. 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 10/54:00 pm -
3 stops35h 20m
Mon 10/195:25 pm -
2 stops33h 00m
Deal found 9/13![Multiple Airlines logo]()
$659
This Turkish Airlines deal was found by Cheapflights users on 9/14. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/219:40 pm -
1 stop16h 45m
Thu 11/269:40 pm -
1 stop28h 45m
Deal found 9/14![Turkish Airlines logo]()
$751
This United Airlines deal was found by Cheapflights users on 9/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/273:37 pm -
2 stops15h 38m
Tue 11/36:00 am -
2 stops18h 00m
Deal found 9/12![United Airlines logo]()
$643
This United Airlines deal was found by Cheapflights users on 9/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/148:50 am -
2 stops31h 25m
Wed 10/286:00 am -
1 stop21h 05m
Deal found 9/12![United Airlines logo]()
$655
This Turkish Airlines deal was found by Cheapflights users on 9/14. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/209:40 pm -
1 stop16h 45m
Fri 11/279:40 am -
1 stop33h 05m
Deal found 9/14![Turkish Airlines logo]()
$751
This United Airlines deal was found by Cheapflights users on 9/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1010:15 am -
2 stops20h 00m
Sun 11/157:55 am -
1 stop13h 15m
Deal found 9/13![United Airlines logo]()
$672
This Turkish Airlines deal was found by Cheapflights users on 9/14. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/191:15 pm -
1 stop12h 15m
Tue 11/249:40 am -
1 stop16h 45m
Deal found 9/14![Turkish Airlines logo]()
$751
This United Airlines deal was found by Cheapflights users on 9/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/128:15 am -
2 stops22h 00m
Fri 2/267:55 am -
1 stop13h 15m
Deal found 9/11![United Airlines logo]()
$677
This Turkish Airlines deal was found by Cheapflights users on 9/14. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/201:15 pm -
1 stop12h 15m
Sun 11/229:40 am -
1 stop16h 45m
Deal found 9/14![Turkish Airlines logo]()
$811
This United Airlines deal was found by Cheapflights users on 9/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/309:55 am -
2 stops31h 00m
Fri 11/66:00 am -
1 stop21h 05m
Deal found 9/15![United Airlines logo]()
$678
This Turkish Airlines deal was found by Cheapflights users on 9/14. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/189:40 pm -
1 stop27h 50m
Sun 11/229:40 am -
1 stop33h 05m
Deal found 9/14![Turkish Airlines logo]()
$811
This United Airlines deal was found by Cheapflights users on 9/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/14:30 pm -
2 stops23h 25m
Sun 11/152:00 pm -
1 stop13h 05m
Deal found 9/11![United Airlines logo]()
$678
This Turkish Airlines deal was found by Cheapflights users on 9/14. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/219:40 pm -
1 stop16h 45m
Sat 11/219:40 am -
1 stop16h 45m
Deal found 9/14![Turkish Airlines logo]()
$811
This United Airlines deal was found by Cheapflights users on 9/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/710:19 pm -
2 stops41h 36m
Sun 11/157:55 am -
2 stops21h 30m
Deal found 9/15![United Airlines logo]()
$688
This Mytrip deal was found by Cheapflights users on 9/12. 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 10/195:40 pm -
2 stops20h 25m
Sun 10/259:25 pm -
2 stops25h 20m
Deal found 9/12![Multiple Airlines logo]()
$1,307
This United Airlines deal was found by Cheapflights users on 9/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/1310:10 pm -
2 stops41h 45m
Sat 3/277:55 am -
1 stop13h 15m
Deal found 9/13![United Airlines logo]()
$688
This FlightHub deal was found by Cheapflights users on 9/13. 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 12/11:30 pm -
1 stop12h 20m
Thu 12/39:40 pm -
1 stop28h 45m
Deal found 9/13![Turkish Airlines logo]()
$939
This Turkish Airlines deal was found by Cheapflights users on 9/14. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/289:20 pm -
1 stop28h 30m
Thu 3/49:40 pm -
1 stop21h 05m
Deal found 9/14![Turkish Airlines logo]()
$983
This Turkish Airlines deal was found by Cheapflights users on 9/11. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/69:20 pm -
1 stop16h 30m
Wed 12/99:40 am -
1 stop33h 05m
Deal found 9/11![Turkish Airlines logo]()
$983
Last-minute flights from Dulles Intl to BulgariaDiscover last-minute flight deals from Dulles Intl to Bulgaria. Data last updated September 15, 2026 and is based on user searches.
Discover last-minute flight deals from Dulles Intl to Bulgaria. Data last updated September 15, 2026 and is based on user searches.
This Turkish Airlines deal was found by Cheapflights users on 9/14. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/281:15 pm -
1 stop12h 15m
Mon 10/199:20 am -
1 stop17h 25m
Deal found 9/14![Turkish Airlines logo]()
$741
This Mytrip deal was found by Cheapflights users on 9/13. 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 10/54:00 pm -
2 stops26h 05m
Mon 10/195:25 pm -
2 stops33h 00m
Deal found 9/13![Multiple Airlines logo]()
$596
This Mytrip deal was found by Cheapflights users on 9/14. 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 10/124:00 pm -
2 stops26h 05m
Mon 10/195:25 pm -
2 stops29h 40m
Deal found 9/14![Multiple Airlines logo]()
$614
This Justfly.com deal was found by Cheapflights users on 9/12. 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.
Wed 10/1410:25 pm -
1 stop32h 00m
Wed 10/289:05 pm -
1 stop29h 50m
Deal found 9/12![British Airways logo]()
$625
This Cheapflightsfares deal was found by Cheapflights users on 9/14. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/145:45 pm -
1 stop10h 55m
Wed 10/287:55 am -
1 stop13h 15m
Deal found 9/14![Austrian Airlines logo]()
$635
This Booking.com deal was found by Cheapflights users on 9/14. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1410:25 pm -
1 stop32h 00m
Mon 10/198:10 pm -
1 stop31h 10m
Deal found 9/14![British Airways logo]()
$637
This British Airways deal was found by Cheapflights users on 9/13. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/187:15 pm -
1 stop17h 05m
Mon 11/25:15 pm -
1 stop33h 40m
Deal found 9/13![British Airways logo]()
$590
This oojo deal was found by Cheapflights users on 9/13. 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.
Sun 10/1810:20 pm -
1 stop17h 55m
Mon 11/27:05 pm -
1 stop32h 00m
Deal found 9/13![Lufthansa logo]()
$619
This Turkish Airlines deal was found by Cheapflights users on 9/14. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/189:40 pm -
1 stop27h 50m
Tue 11/249:40 am -
1 stop33h 05m
Deal found 9/14![Turkish Airlines logo]()
$751
This Turkish Airlines deal was found by Cheapflights users on 9/14. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/209:40 pm -
1 stop16h 45m
Tue 11/249:40 am -
1 stop16h 45m
Deal found 9/14![Turkish Airlines logo]()
$701
This Cheapflightsfares deal was found by Cheapflights users on 9/12. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/277:00 pm -
1 stop10h 50m
Tue 11/37:55 am -
1 stop13h 15m
Deal found 9/12![Austrian Airlines logo]()
$607
This United Airlines deal was found by Cheapflights users on 9/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/273:37 pm -
2 stops15h 38m
Tue 11/37:55 am -
1 stop13h 15m
Deal found 9/12![United Airlines logo]()
$622
One-way flights from Dulles Intl to BulgariaSearch for one-way flight options from Dulles Intl to Bulgaria. Find affordable one-way fares based on user searches. Data last updated September 15, 2026.
Search for one-way flight options from Dulles Intl to Bulgaria. Find affordable one-way fares based on user searches. Data last updated September 15, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 10/1811:20 pm -
3 stops34h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Multiple Airlines logo]()
$301
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 10/153:50 pm -
3 stops48h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Multiple Airlines logo]()
$310
This Kiwi.com deal was found by Cheapflights users on 9/14. 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.
Sat 10/178:30 pm -
2 stops21h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Multiple Airlines logo]()
$316
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
Sat 1/237:40 pm -
3 stops36h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Multiple Airlines logo]()
$321
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 1/227:40 pm -
2 stops31h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Multiple Airlines logo]()
$323
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 11/35:25 pm -
3 stops44h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Multiple Airlines logo]()
$324
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 10/128:30 pm -
3 stops37h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Multiple Airlines logo]()
$328
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 1/217:40 pm -
3 stops29h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Multiple Airlines logo]()
$335
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
Wed 1/207:40 pm -
3 stops32h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Multiple Airlines logo]()
$336
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 1/177:40 pm -
2 stops21h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Multiple Airlines logo]()
$342
This Justfly.com deal was found by Cheapflights users on 9/15. 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.
Wed 1/208:10 pm -
1 stop12h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![SWISS logo]()
$346
This United Airlines deal was found by Cheapflights users on 9/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/175:35 pm -
1 stop12h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![United Airlines logo]()
$349
Find flight deals from Dulles Intl to Bulgaria
Keep the following information in mind while searching for Dulles Intl to Bulgaria flight deals. Data was last updated September 15, 2026.
Round-trip from | $590 (British Airways) |
|---|---|
One-way from | $301 (Kiwi.com) |
Popular in | December |
Cheapest in | January |
Average price | $801 |
Cheapflights Fare Finder
Customize your flight search to find flights from Dulles Intl to Bulgaria 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 7,457,451 searches. Data last updated September 15, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Bulgaria that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Washington, D.C.Sofia
IAD Washington, D.C. Dulles Intl - SOF Sofia
IADSOF
Washington, D.C. Dulles Intl
Tue 11/3
5:25 pm-9:05 pm
3 stops44h 40m
Sofia
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$324
Washington, D.C.Varna
IAD Washington, D.C. Dulles Intl - VAR Varna
IADVAR
Washington, D.C. Dulles Intl
Wed 10/14
11:12 am-5:15 pm
3 stops47h 03m
Varna
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$367
Washington, D.C.Sofia
IAD Washington, D.C. Dulles Intl - SOF Sofia
IADSOF
Washington, D.C. Dulles Intl
Sat 10/10
11:25 am-11:05 am
3 stops40h 40m
Sofia
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$374
Washington, D.C.Varna
IAD Washington, D.C. Dulles Intl - VAR Varna
IADVAR
Washington, D.C. Dulles Intl
Sun 10/18
5:40 pm-11:35 am
2 stops34h 55m
Varna
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$399
Washington, D.C.Varna
IAD Washington, D.C. Dulles Intl - VAR Varna
IADVAR
Washington, D.C. Dulles Intl
Mon 10/12
8:30 pm-1:55 pm
2 stops34h 25m
Varna
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$409
Washington, D.C.Sofia
IAD Washington, D.C. Dulles Intl - SOF Sofia
IADSOF
Washington, D.C. Dulles Intl
Tue 9/22
5:05 pm-11:35 am
3 stops35h 30m
Sofia
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$429
Washington, D.C.Sofia
IAD Washington, D.C. Dulles Intl - SOF Sofia
IADSOF
Washington, D.C. Dulles Intl
Wed 10/7
11:12 am-12:20 am
3 stops30h 08m
Sofia
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$435
Washington, D.C.Sofia
IAD Washington, D.C. Dulles Intl - SOF Sofia
IADSOF
Washington, D.C. Dulles Intl
Sat 10/10
7:15 pm-7:20 pm
2 stops41h 05m
Sofia
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$470
Washington, D.C.Varna
IAD Washington, D.C. Dulles Intl - VAR Varna
IADVAR
Washington, D.C. Dulles Intl
Wed 10/14
5:45 pm-7:45 pm
1 stop19h 00m
Varna
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$477
Quickest round-trip
Washington, D.C.Varna
IAD Washington, D.C. Dulles Intl - VAR Varna
IADVAR
Washington, D.C. Dulles Intl
Mon 10/19
5:45 pm-3:15 pm
1 stop14h 30m
Varna
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$486
Showing 1-10 of 35 resultsSorted by cheapest first
Best time to book a flight from Dulles Intl to Bulgaria
Have a flexible travel schedule? Discover the best time to fly to Bulgaria from Dulles Intl with our price prediction graph.
IAD-SOF
IAD-VAR
IAD-BOJ
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. Dulles Intl Airport to Bulgaria
IAD-BG0
IAD-SOF
IAD-VAR
IAD-BOJ
What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Bulgaria?
Currently, February is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Bulgaria (average of $536). Flying from Washington, D.C. Dulles Intl Airport to Bulgaria in December is currently the most expensive (average of $1,192). 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 far ahead should I book a flight from Washington, D.C. Dulles Intl Airport to Bulgaria?
The price you pay for your flight from Washington, D.C. Dulles Intl Airport to Bulgaria may vary depending on when you book. For the best chance of a lower fare, look to book 13 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Reviews of airlines servicing Bulgaria
Get insights into the airlines that provide service to Bulgaria. 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 Bulgaria. Reviews last updated September 15, 2026.
Read through reviews of airlines operating flights from Washington, D.C. Dulles Intl Airport to Bulgaria, such as Austrian Airlines,Turkish Airlines, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Boarding
7.6
Crew
8.1
Overall
7.6
Comfort
7.3
Entertainment
6.8
Food
6.8
Reviews
1 / 20
2.0
MediocreNate,Dec 2025
IAD - GSP
Boarding
7.6
Crew
8.1
Overall
7.6
Comfort
7.3
Entertainment
6.8
Food
6.8
Reviews
1 / 20
2.0
MediocreNate,Dec 2025
IAD - GSP
Boarding
7.6
Crew
8.1
Overall
7.6
Comfort
7.3
Entertainment
6.8
Food
6.8
Reviews
1 / 20
2.0
MediocreNate,Dec 2025
IAD - GSP
Boarding
7.6
Crew
8.1
Overall
7.6
Comfort
7.3
Entertainment
6.8
Food
6.8
Reviews
1 / 20
2.0
MediocreNate,Dec 2025
IAD - GSP
Boarding
7.6
Crew
8.1
Overall
7.6
Comfort
7.3
Entertainment
6.8
Food
6.8
Reviews
1 / 20
2.0
MediocreNate,Dec 2025
IAD - GSP
Related info for your journey
Find useful and relevant information for your journey from Dulles Intl to Bulgaria. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Dulles Intl and Bulgaria flights
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Top 4 airlines flying from Dulles Intl to Bulgaria
Discover the top 4 airlines that operate flights from Dulles Intl to Bulgaria. 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 7,457,451 searches. Data last updated September 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$533 | Average$754 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$637 | Average$1,010 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$638 | Average$987 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$809 | Average$1,273 | FlexibilityNo cancel fee | On-time78% |