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Cheap flights from Washington to Bulgaria from $234

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington to Bulgaria departing on 4/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Washington to Bulgaria

Cheap round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
1:35 pm - 7:10 pm
SEA
-
SOF
19h 35m1 stop
British Airways Logo
8:00 pm - 6:25 pm
SOF
-
SEA
32h 25m1 stop
$504British Airways
Sun, Apr 12 - Mon, Apr 20
Multiple Airlines Logo
3:10 pm - 10:45 pm
SEA
-
SOF
21h 35m1 stop
Multiple Airlines Logo
6:10 am - 10:16 pm
SOF
-
SEA
26h 06m2 stops
$514Multiple Airlines
Wed, Feb 4 - Wed, Feb 11
British Airways Logo
8:20 pm - 8:40 pm
SEA
-
SOF
14h 20m1 stop
British Airways Logo
8:00 pm - 11:35 am
SOF
-
SEA
25h 35m1 stop
$519British Airways
Tue, Apr 28 - Mon, May 11
Lufthansa Logo
3:46 pm - 10:45 pm
PDX
-
SOF
20h 59m2 stops
Lufthansa Logo
6:10 am - 11:19 pm
SOF
-
PDX
27h 09m2 stops
$529Lufthansa
Tue, Feb 10 - Fri, Feb 27
United Airlines Logo
6:50 pm - 11:10 pm
SEA
-
SOF
18h 20m1 stop
United Airlines Logo
6:20 am - 12:20 pm
SOF
-
SEA
16h 00m1 stop
$531United Airlines
Wed, Apr 29 - Fri, May 8
KLM Logo
5:30 pm - 2:00 pm
SEA
-
SOF
34h 30m1 stop
KLM Logo
7:00 am - 4:30 pm
SOF
-
SEA
19h 30m1 stop
$532KLM
Wed, Apr 1 - Wed, Apr 8
Lufthansa Logo
12:41 pm - 10:45 pm
GEG
-
SOF
49h 04m2 stops
Lufthansa Logo
6:05 am - 9:03 pm
SOF
-
GEG
23h 58m2 stops
$538Lufthansa
Wed, Mar 11 - Wed, Mar 25
United Airlines Logo
11:25 am - 10:45 pm
GEG
-
SOF
25h 20m2 stops
United Airlines Logo
6:10 am - 7:16 pm
SOF
-
GEG
23h 06m2 stops
$546United Airlines
Thu, Jan 22 - Mon, Jan 26
Turkish Airlines Logo
7:10 pm - 9:20 pm
SEA
-
VAR
16h 10m1 stop
Turkish Airlines Logo
9:35 am - 5:15 pm
VAR
-
SEA
17h 40m1 stop
$1,014Turkish Airlines
Sun, May 17 - Sun, May 31
Turkish Airlines Logo
7:10 pm - 8:45 am
SEA
-
VAR
27h 35m1 stop
Turkish Airlines Logo
3:35 am - 5:15 pm
VAR
-
SEA
23h 40m1 stop
$1,101Turkish Airlines
Sun, May 24 - Sat, Jun 6

British Airways flights from State of Washington to Bulgaria

Our best British Airways deals on State of Washington to Bulgaria flight tickets
British Airways
Apr 12
SEA1:35 pmSeattle/Tacoma Intl
19h 35m
1 stop
SOF7:10 pmSofia
Apr 20
SOF8:00 pmSofia
32h 25m
1 stop
SEA6:25 pmSeattle/Tacoma Intl
$504
Find similar
British Airways
Apr 28
SEA8:20 pmSeattle/Tacoma Intl
14h 20m
1 stop
SOF8:40 pmSofia
May 11
SOF8:00 pmSofia
25h 35m
1 stop
SEA11:35 amSeattle/Tacoma Intl
$519
Find similar
British Airways
Apr 28
SEA8:20 pmSeattle/Tacoma Intl
14h 20m
1 stop
SOF8:40 pmSofia
May 13
SOF9:30 pmSofia
24h 05m
1 stop
SEA11:35 amSeattle/Tacoma Intl
$536
Find similar

United Airlines flights from State of Washington to Bulgaria

Our best United Airlines deals on State of Washington to Bulgaria flight tickets
United Airlines
Apr 29
SEA6:50 pmSeattle/Tacoma Intl
18h 20m
1 stop
SOF11:10 pmSofia
May 12
SOF6:10 amSofia
16h 10m
1 stop
SEA12:20 pmSeattle/Tacoma Intl
$531
Find similar
United Airlines
Feb 4
SEA3:10 pmSeattle/Tacoma Intl
21h 35m
1 stop
SOF10:45 pmSofia
Feb 11
SOF6:05 amSofia
17h 15m
1 stop
SEA1:20 pmSeattle/Tacoma Intl
$533
Find similar
United Airlines
Apr 29
SEA6:50 pmSeattle/Tacoma Intl
18h 20m
1 stop
SOF11:10 pmSofia
May 13
SOF6:20 amSofia
23h 17m
2 stops
SEA7:37 pmSeattle/Tacoma Intl
$534
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from State of Washington 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, momondo users made 832,500 searches. Data last updated December 23, 2025.
Use the filters below to find and compare flights from Washington to Bulgaria that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleSofia

SEA - SOF

SEASOF

Seattle/Tacoma Intl

Sun 4/12

1:35 pm-7:10 pm

1 stop19h 35m

Sofia

Mon 4/20

8:00 pm-6:25 pm

1 stop32h 25m

$504

SeattleSofia

SEA - SOF

SEASOF

Seattle/Tacoma Intl

Wed 2/4

3:10 pm-10:45 pm

1 stop21h 35m

Sofia

Wed 2/11

6:10 am-10:16 pm

2 stops26h 06m

$514

SeattleSofia

SEA - SOF

SEASOF

Seattle/Tacoma Intl

Tue 4/28

8:20 pm-8:40 pm

1 stop14h 20m

Sofia

Mon 5/11

8:00 pm-11:35 am

1 stop25h 35m

$519

PortlandSofia

PDX - SOF

PDXSOF

Portland

Tue 2/10

3:46 pm-10:45 pm

2 stops20h 59m

Sofia

Fri 2/27

6:10 am-11:19 pm

2 stops27h 09m

$529

SeattleSofia

SEA - SOF

SEASOF

Seattle/Tacoma Intl

Wed 4/29

6:50 pm-11:10 pm

1 stop18h 20m

Sofia

Fri 5/8

6:20 am-12:20 pm

1 stop16h 00m

$531

SeattleSofia

SEA - SOF

SEASOF

Seattle/Tacoma Intl

Wed 4/1

5:30 pm-2:00 pm

1 stop34h 30m

Sofia

Wed 4/8

7:00 am-4:30 pm

1 stop19h 30m

$532

SpokaneSofia

GEG - SOF

GEGSOF

Spokane

Wed 3/11

12:41 pm-10:45 pm

2 stops49h 04m

Sofia

Wed 3/25

6:05 am-9:03 pm

2 stops23h 58m

$538

SpokaneSofia

GEG - SOF

GEGSOF

Spokane

Thu 1/22

11:25 am-10:45 pm

2 stops25h 20m

Sofia

Mon 1/26

6:10 am-7:16 pm

2 stops23h 06m

$546

SeattleVarna

SEA - VAR

SEAVAR

Seattle/Tacoma Intl

Sun 5/17

7:10 pm-9:20 pm

1 stop16h 10m

Varna

Sun 5/31

9:35 am-5:15 pm

1 stop17h 40m

$1,014

SeattleVarna

SEA - VAR

SEAVAR

Seattle/Tacoma Intl

Sun 5/24

7:10 pm-8:45 am

1 stop27h 35m

Varna

Sat 6/6

3:35 am-5:15 pm

1 stop23h 40m

$1,101

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Bulgaria from

How to get the cheapest flight ticket from State of Washington to Bulgaria

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

What is the cheapest month to fly to Bulgaria?

If you aren’t able to travel to Bulgaria during the month of October, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $615.

What is the cheapest day to depart on your flight to Bulgaria?

The cheapest day to depart from State of Washington to Bulgaria is on a Saturday when prices can be found for as low as $897. On the other hand, Friday is the most expensive day to depart from State of Washington because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,269.

What is the cheapest time of day to depart on your flight to Bulgaria?

In the evening is the cheapest time of day to fly from State of Washington to Bulgaria when you can find flight prices for as low as $897. Flying to Bulgaria in the evening is an ideal time because this is during off-peak travel hours. Flights to Bulgaria are more costly at noon, with an average ticket price of $1,099. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

How far in advance should I book a flight to Bulgaria?

You are more likely to see cheaper flights to Bulgaria from State of Washington when booking weeks ahead of your departure date. In general, you can expect to find flights to Bulgaria for around $785 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Bulgaria from State of Washington for as low as $701 on momondo.

Cheap State of Washington to Bulgaria flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from State of Washington to Bulgaria

Fastest flight time

14h 15m

Direct flights

None
The fastest flight from State of Washington to Bulgaria takes 14h 15m
There are no direct flights from State of Washington to Bulgaria. There are no popular flight routes from State of Washington to Bulgaria.
Search flight deals

  • When did momondo last update prices for flights from Washington to Bulgaria?

    Prices for flights from Washington to Bulgaria are refreshed on a daily basis.

  • How many operators does momondo search for flights from Washington to Bulgaria?

  • How old do you have to be to fly from Washington to Bulgaria?

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

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

    The travel and health documents required for your trip to Bulgaria can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Bulgaria. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from State of Washington to Bulgaria

Compare and see reviews for airlines that fly from State of Washington to Bulgaria with momondo
Airline
Rating
Free Cancellation
Price
LufthansaPriceFrom $541Free CancellationRating
6.8
7,649 reviews
Search Lufthansa flights
Air FrancePriceFrom $555Free CancellationRating
7.4
1,513 reviews
Search Air France flights
Turkish AirlinesPriceFrom $587Free CancellationRating
7.3
4,112 reviews
Search Turkish Airlines flights
KLMPriceFrom $615Free CancellationRating
7.7
1,434 reviews
Search KLM flights
United AirlinesPriceFrom $621Free CancellationRating
7.4
9,107 reviews
Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Washington to Bulgaria?

It is quick and easy to find Washington to Bulgaria flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Bulgaria that suits you.

Can I find flights from Washington to Bulgaria with flexible booking policies on momondo?

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

How can momondo help me find flights from Washington to Bulgaria?

Once all potential Washington to Bulgaria flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes. momondo can track prices for Washington to Bulgaria flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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