$428+ Cheap flights from Bulgaria to Dulles Intl (IAD)
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 5/31. Fares are subject to change and may not be available on all flights or dates of travel.
SOF — IAD
Mar 5 — Mar 121
1 adult, Economy
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Find cheap flights from Bulgaria to Dulles Intl with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Bulgaria to Dulles Intl
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Cheapest flights from Bulgaria to Dulles IntlExplore the most affordable flight options available from Bulgaria to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 3, 2026.
Explore the most affordable flight options available from Bulgaria to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 3, 2026.
This KLM deal was found by Cheapflights users on 2/3. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/97:00 am
SOF
- IAD
1 stop15h 35m
Multiple Airlines
Wed 4/156:15 pm
IAD
- SOF
1 stop12h 45m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$468
This KLM deal was found by Cheapflights users on 2/1. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/87:00 am
SOF
- IAD
1 stop16h 05m
Multiple Airlines
Sat 2/216:50 pm
IAD
- SOF
1 stop12h 05m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$472
This KLM deal was found by Cheapflights users on 2/3. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/257:00 am
SOF
- IAD
1 stop16h 05m
KLM
Thu 3/56:05 pm
IAD
- SOF
1 stop13h 00m
KLM
Deal found 2/3![KLM logo]()
$475
This KLM deal was found by Cheapflights users on 2/2. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/37:00 am
SOF
- IAD
1 stop16h 05m
Multiple Airlines
Tue 3/101:19 pm
IAD
- SOF
2 stops18h 36m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$477
This KLM deal was found by Cheapflights users on 2/3. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/287:00 am
SOF
- IAD
1 stop16h 05m
KLM
Sun 3/81:19 pm
IAD
- SOF
2 stops18h 46m
KLM
Deal found 2/3![KLM logo]()
$479
This Air France deal was found by Cheapflights users on 2/3. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/187:00 am
SOF
- IAD
1 stop16h 35m
Multiple Airlines
Thu 2/266:05 pm
IAD
- SOF
1 stop13h 00m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$481
This KLM deal was found by Cheapflights users on 2/3. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/187:00 am
SOF
- IAD
2 stops19h 09m
KLM
Thu 2/266:05 pm
IAD
- SOF
1 stop13h 00m
KLM
Deal found 2/3![KLM logo]()
$485
This Air France deal was found by Cheapflights users on 2/3. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/147:00 am
SOF
- IAD
1 stop19h 35m
Air France
Sat 5/309:45 pm
IAD
- SOF
1 stop33h 15m
Air France
Deal found 2/3![Air France logo]()
$488
This KLM deal was found by Cheapflights users on 2/3. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/147:00 am
SOF
- IAD
2 stops16h 25m
Multiple Airlines
Sat 5/309:45 pm
IAD
- SOF
1 stop33h 15m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$491
This Air France deal was found by Cheapflights users on 2/1. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/88:30 am
VAR
- IAD
1 stop14h 35m
Air France
Wed 7/112:30 pm
IAD
- VAR
2 stops20h 00m
Air France
Deal found 2/1![Air France logo]()
$707
This Lufthansa deal was found by Cheapflights users on 2/1. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/68:35 pm
VAR
- IAD
1 stop25h 00m
Multiple Airlines
Tue 4/2810:20 pm
IAD
- VAR
1 stop15h 25m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$708
This Austrian Airlines deal was found by Cheapflights users on 2/1. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/74:00 pm
VAR
- IAD
1 stop29h 35m
Austrian Airlines
Mon 4/275:25 pm
IAD
- VAR
1 stop14h 50m
Austrian Airlines
Deal found 2/1![Austrian Airlines logo]()
$712
Best flights from Bulgaria to Dulles IntlDiscover carefully curated flight deals from Bulgaria to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 3, 2026.
Discover carefully curated flight deals from Bulgaria to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 3, 2026.
This KLM deal was found by Cheapflights users on 2/3. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/97:00 am
SOF
- IAD
1 stop15h 35m
Multiple Airlines
Wed 4/156:15 pm
IAD
- SOF
1 stop12h 45m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$468
This KLM deal was found by Cheapflights users on 2/3. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/287:00 am
SOF
- IAD
1 stop16h 05m
KLM
Sun 3/87:05 pm
IAD
- SOF
1 stop13h 00m
KLM
Deal found 2/3![KLM logo]()
$475
This Air France deal was found by Cheapflights users on 2/3. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/147:00 am
SOF
- IAD
1 stop19h 35m
Air France
Sat 5/309:45 pm
IAD
- SOF
1 stop33h 15m
Air France
Deal found 2/3![Air France logo]()
$488
This Austrian Airlines deal was found by Cheapflights users on 2/1. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/74:00 pm
VAR
- IAD
1 stop29h 35m
Austrian Airlines
Tue 4/285:25 pm
IAD
- VAR
1 stop14h 50m
Austrian Airlines
Deal found 2/1![Austrian Airlines logo]()
$712
This Lufthansa deal was found by Cheapflights users on 2/1. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/109:30 pm
VAR
- IAD
1 stop28h 55m
Lufthansa
Tue 6/3010:20 pm
IAD
- VAR
1 stop15h 25m
Lufthansa
Deal found 2/1![Lufthansa logo]()
$721
This oojo deal was found by Cheapflights users on 2/1. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/2810:25 am
VAR
- IAD
1 stop13h 20m
SWISS
Fri 7/318:20 pm
IAD
- VAR
1 stop30h 20m
SWISS
Deal found 2/1![SWISS logo]()
$766
This KLM deal was found by Cheapflights users on 2/2. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/37:00 am
SOF
- IAD
1 stop16h 05m
Multiple Airlines
Tue 3/107:50 pm
IAD
- SOF
1 stop12h 05m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$472
This KLM deal was found by Cheapflights users on 2/3. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/257:00 am
SOF
- IAD
2 stops18h 37m
KLM
Thu 3/56:05 pm
IAD
- SOF
1 stop13h 00m
KLM
Deal found 2/3![KLM logo]()
$485
This Air France deal was found by Cheapflights users on 2/3. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/187:00 am
SOF
- IAD
1 stop16h 35m
Multiple Airlines
Thu 2/266:05 pm
IAD
- SOF
1 stop13h 00m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$481
This KLM deal was found by Cheapflights users on 2/3. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/187:00 am
SOF
- IAD
2 stops19h 09m
KLM
Thu 2/266:05 pm
IAD
- SOF
1 stop13h 00m
KLM
Deal found 2/3![KLM logo]()
$485
This Austrian Airlines deal was found by Cheapflights users on 2/1. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/64:00 pm
VAR
- IAD
1 stop29h 35m
Austrian Airlines
Mon 4/275:25 pm
IAD
- VAR
1 stop14h 50m
Austrian Airlines
Deal found 2/1![Austrian Airlines logo]()
$712
This FlightHub deal was found by Cheapflights users on 2/1. 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.
Tue 4/74:00 pm
VAR
- IAD
2 stops31h 05m
Lufthansa
Tue 4/2810:20 pm
IAD
- VAR
1 stop15h 25m
Lufthansa
Deal found 2/1![Lufthansa logo]()
$749
This Austrian Airlines deal was found by Cheapflights users on 2/1. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/84:00 pm
VAR
- IAD
1 stop29h 35m
Austrian Airlines
Mon 4/275:25 pm
IAD
- VAR
1 stop14h 50m
Austrian Airlines
Deal found 2/1![Austrian Airlines logo]()
$712
This Lufthansa deal was found by Cheapflights users on 2/1. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/68:35 pm
VAR
- IAD
1 stop25h 00m
Multiple Airlines
Tue 4/2810:20 pm
IAD
- VAR
1 stop15h 25m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$708
This Lufthansa deal was found by Cheapflights users on 2/1. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/68:35 pm
VAR
- IAD
1 stop25h 00m
Multiple Airlines
Wed 4/2910:20 pm
IAD
- VAR
1 stop27h 40m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$737
This Justfly.com deal was found by Cheapflights users on 2/3. 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 7/21:35 pm
VAR
- IAD
1 stop32h 00m
Multiple Airlines
Fri 8/78:20 pm
IAD
- VAR
1 stop30h 20m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$757
This FlightHub deal was found by Cheapflights users on 2/1. 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.
Tue 4/74:00 pm
VAR
- IAD
1 stop29h 35m
Multiple Airlines
Wed 4/2910:20 pm
IAD
- VAR
1 stop27h 40m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$766
Last-minute flights from Bulgaria to Dulles IntlDiscover last-minute flight deals from Bulgaria to Dulles Intl. Data last updated February 3, 2026 and is based on user searches.
Discover last-minute flight deals from Bulgaria to Dulles Intl. Data last updated February 3, 2026 and is based on user searches.
This Air France deal was found by Cheapflights users on 2/1. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/47:00 am
SOF
- IAD
1 stop16h 35m
Air France
Thu 4/236:15 pm
IAD
- SOF
1 stop12h 45m
Air France
Deal found 2/1![Air France logo]()
$645
This KLM deal was found by Cheapflights users on 2/1. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/47:00 am
SOF
- IAD
2 stops18h 21m
Multiple Airlines
Thu 4/236:15 pm
IAD
- SOF
1 stop12h 45m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$649
This KLM deal was found by Cheapflights users on 2/1. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/87:00 am
SOF
- IAD
1 stop16h 05m
Multiple Airlines
Sat 2/216:50 pm
IAD
- SOF
1 stop12h 05m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$472
This Air France deal was found by Cheapflights users on 2/3. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/187:00 am
SOF
- IAD
1 stop16h 35m
Multiple Airlines
Thu 2/266:05 pm
IAD
- SOF
1 stop13h 00m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$481
This KLM deal was found by Cheapflights users on 2/3. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/187:00 am
SOF
- IAD
2 stops19h 09m
KLM
Thu 2/266:05 pm
IAD
- SOF
1 stop13h 00m
KLM
Deal found 2/3![KLM logo]()
$485
This Kiwi.com deal was found by Cheapflights users on 2/3. 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 2/186:10 am
SOF
- IAD
1 stop15h 25m
Lufthansa
Thu 2/265:40 pm
IAD
- SOF
1 stop12h 35m
Lufthansa
Deal found 2/3![Lufthansa logo]()
$677
This KLM deal was found by Cheapflights users on 2/3. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/257:00 am
SOF
- IAD
1 stop16h 05m
KLM
Thu 3/56:05 pm
IAD
- SOF
1 stop13h 00m
KLM
Deal found 2/3![KLM logo]()
$475
This KLM deal was found by Cheapflights users on 2/3. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/287:00 am
SOF
- IAD
1 stop16h 05m
KLM
Sun 3/81:19 pm
IAD
- SOF
2 stops18h 46m
KLM
Deal found 2/3![KLM logo]()
$479
This KLM deal was found by Cheapflights users on 2/2. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/37:00 am
SOF
- IAD
1 stop16h 05m
Multiple Airlines
Tue 3/101:19 pm
IAD
- SOF
2 stops18h 36m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$477
One-way flights from Bulgaria to Dulles IntlSearch for one-way flight options from Bulgaria to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated February 3, 2026.
Search for one-way flight options from Bulgaria to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated February 3, 2026.
This Orbitz deal was found by Cheapflights users on 2/1. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/319:05 pm
SOF
- IAD
1 stop27h 20m
British Airways
Deal found 2/1![British Airways logo]()
$428
This Mytrip deal was found by Cheapflights users on 2/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/192:15 pm
SOF
- IAD
1 stop32h 35m
British Airways
Deal found 2/2![British Airways logo]()
$494
This Kiwi.com deal was found by Cheapflights users on 2/2. 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.
Fri 6/195:15 pm
SOF
- IAD
3 stops32h 45m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$516
This Cheapflightsfares deal was found by Cheapflights users on 2/1. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/318:00 am
SOF
- IAD
2 stops14h 30m
Austrian Airlines
Deal found 2/1![Austrian Airlines logo]()
$777
Find flight deals from Bulgaria to Dulles Intl
Keep the following information in mind while searching for Bulgaria to Dulles Intl flight deals. Data was last updated February 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $468 (KLM) |
One-way from | $428 (Orbitz) |
Popular in | January |
Cheapest in | February |
Average price | $479 |
Cheapflights Fare Finder
Customize your flight search to find flights from Bulgaria to Dulles Intl 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 February 3, 2026.
Use the filters below to find and compare flights from Bulgaria to Washington, D.C. Dulles Intl Airport that are best for you.
Fly from
Bulgaria
Fly to
Dulles Intl
Route
Depart
Return
Price
SofiaWashington, D.C.
SOF - IAD
SOFIAD
Sofia
Thu 4/9
7:00 am-3:35 pm
1 stop15h 35m
Washington, D.C. Dulles Intl
Wed 4/15
6:15 pm-2:00 pm
1 stop12h 45m
$468
SofiaWashington, D.C.
SOF - IAD
SOFIAD
Sofia
Tue 3/3
7:00 am-4:05 pm
1 stop16h 05m
Washington, D.C. Dulles Intl
Tue 3/10
7:50 pm-1:55 pm
1 stop12h 05m
$472
SofiaWashington, D.C.
SOF - IAD
SOFIAD
Sofia
Sat 2/28
7:00 am-4:05 pm
1 stop16h 05m
Washington, D.C. Dulles Intl
Sun 3/8
7:05 pm-2:05 pm
1 stop13h 00m
$475
SofiaWashington, D.C.
SOF - IAD
SOFIAD
Sofia
Wed 2/18
7:00 am-4:35 pm
1 stop16h 35m
Washington, D.C. Dulles Intl
Thu 2/26
6:05 pm-2:05 pm
1 stop13h 00m
$481
SofiaWashington, D.C.
SOF - IAD
SOFIAD
Sofia
Wed 2/25
7:00 am-6:37 pm
2 stops18h 37m
Washington, D.C. Dulles Intl
Thu 3/5
6:05 pm-2:05 pm
1 stop13h 00m
$485
SofiaWashington, D.C.
SOF - IAD
SOFIAD
Sofia
Wed 2/18
7:00 am-7:09 pm
2 stops19h 09m
Washington, D.C. Dulles Intl
Thu 2/26
6:05 pm-2:05 pm
1 stop13h 00m
$485
SofiaWashington, D.C.
SOF - IAD
SOFIAD
Sofia
Thu 5/14
7:00 am-7:35 pm
1 stop19h 35m
Washington, D.C. Dulles Intl
Sat 5/30
9:45 pm-2:00 pm
1 stop33h 15m
$488
VarnaWashington, D.C.
VAR - IAD
VARIAD
Varna
Mon 4/6
8:35 pm-2:35 pm
1 stop25h 00m
Washington, D.C. Dulles Intl
Tue 4/28
10:20 pm-8:45 pm
1 stop15h 25m
$708
VarnaWashington, D.C.
VAR - IAD
VARIAD
Varna
Tue 4/7
4:00 pm-2:35 pm
1 stop29h 35m
Washington, D.C. Dulles Intl
Tue 4/28
5:25 pm-3:15 pm
1 stop14h 50m
$712
VarnaWashington, D.C.
VAR - IAD
VARIAD
Varna
Mon 4/6
4:00 pm-2:35 pm
1 stop29h 35m
Washington, D.C. Dulles Intl
Mon 4/27
5:25 pm-3:15 pm
1 stop14h 50m
$712
Showing 1-10 of 21 results
Best time to book a flight from Bulgaria to Dulles Intl
Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Bulgaria with our price prediction graph.
SOF-IAD
VAR-IAD
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 Bulgaria to Washington, D.C. Dulles Intl Airport
BG0-IAD
SOF-IAD
VAR-IAD
What is the cheapest month to book a flight from Bulgaria to Washington, D.C. Dulles Intl Airport?
Currently, February is the cheapest month in which you can book a flight from Bulgaria to Washington, D.C. Dulles Intl Airport (average of $482). Flying from Bulgaria to Washington, D.C. Dulles Intl Airport in November is currently the most expensive (average of $677). 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.
Reviews of airlines servicing Dulles Intl
Get insights into the airlines that provide service to Dulles Intl. 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 Dulles Intl. Reviews last updated February 3, 2026.
Get a feel of what it's like to fly with KLM, Air France, and United Airlines from Bulgaria to Washington, D.C. Dulles Intl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.1
Comfort
7.6
Crew
8.4
Boarding
7.8
Food
7.3
Overall
7.7
Reviews
1 / 20
10.0
ExcellentSnapyou,Jan 2026
TPA - LHR
Entertainment
7.1
Comfort
7.6
Crew
8.4
Boarding
7.8
Food
7.3
Overall
7.7
Reviews
1 / 20
10.0
ExcellentSnapyou,Jan 2026
TPA - LHR
Entertainment
7.1
Comfort
7.6
Crew
8.4
Boarding
7.8
Food
7.3
Overall
7.7
Reviews
1 / 20
10.0
ExcellentSnapyou,Jan 2026
TPA - LHR
Entertainment
7.1
Comfort
7.6
Crew
8.4
Boarding
7.8
Food
7.3
Overall
7.7
Reviews
1 / 20
10.0
ExcellentSnapyou,Jan 2026
TPA - LHR
Entertainment
7.1
Comfort
7.6
Crew
8.4
Boarding
7.8
Food
7.3
Overall
7.7
Reviews
1 / 20
10.0
ExcellentSnapyou,Jan 2026
TPA - LHR
Entertainment
7.1
Comfort
7.6
Crew
8.4
Boarding
7.8
Food
7.3
Overall
7.7
Reviews
1 / 20
10.0
ExcellentSnapyou,Jan 2026
TPA - LHR
Related info for your journey
Find useful and relevant information for your journey from Bulgaria to Dulles Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Washington, D.C. Dulles Intl Airport?
Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locationsAlexandria
Woodbridge
Tysons
Arlington
Owings Mills
Springfield
Silver Spring
Herndon
Fredericksburg
Hanover
Linthicum Heights
Rockville
Laurel
Towson
Upper Marlboro
Manassas
Largo
Bowie
McLean
Clinton
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Complete your trip
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Other flights to Dulles Intl
Explore flights to Dulles Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on February 3, 2026.
Search flights from Bulgaria to Dulles Intl by cabin class
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Bulgaria and Dulles Intl flights
Browse other Bulgaria and Dulles Intl flight options. Last updated on February 3, 2026.
Popular flight searches
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Consider these flights traveling from Bulgaria to Dulles Intl.
Top 5 airlines flying from Bulgaria to Dulles Intl
Discover the top 5 airlines that operate flights from Bulgaria to Dulles Intl. 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 February 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$470 | Average$673 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$520 | Average$552 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$588 | Average$664 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$595 | Average$751 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$625 | Average$702 | FlexibilityNo cancel fee | On-time77% |