What are the cheapest airlines flying from Seattle to Sofia round-trip?

Cheapflights users have booked flights from Seattle to Sofia round-trip from $832. Other airlines that can offer you cheap pricing are Lufthansa, from $849, and United Airlines, from $890. Turkish Airlines is 17% cheaper than the average price of flights available within the next 90 days to this destination.

What are the most popular airlines that fly from Seattle to Sofia?

The most popular airlines flying from Seattle to Sofia are Air France, British Airways and Condor. Something to consider prior to booking your flight.

Can I find flights from Seattle to Sofia for under $900 on Cheapflights?

Yes, there are multiple flights from Seattle to Sofia for under $900. The cheapest flight booked recently is on Turkish Airlines for just $832, but on average you can expect to pay $890.

Are there last-minute flights available from Seattle to Sofia for under $1,800?

There are currently 20+ open flights from Seattle to Sofia within the next 7 days for less than $1,800.

Which airlines flying from Seattle/Tacoma Intl to Sofia have flexible cancellations due to COVID-19?

Some of our airline partners flying from Seattle/Tacoma Intl to Sofia have new flexible policies in place due to COVID-19. Turkish Airlines, Lufthansa, and KLM are some of the carriers where you may find flexible cancellation policies. You can use our site to filter for airlines like Turkish Airlines with this kind of flexibility.

What is the cheapest day to fly round-trip from Seattle to Sofia?

Thursday is generally a great day to depart. Flying on this day could help you save up to 30%.

What is the cheapest month to fly from Seattle to Sofia?

Flights from Seattle to Sofia lean towards being more expensive in December. Prices are generally better when you fly from Seattle to Sofia in March, with the cheapest ticket starting at $470.

When is the cheapest time to fly from Seattle to Sofia (SEA - SOF)?

Unlike in the afternoon, when flights are generally more expensive, you can save up to 43% on flights from Seattle to Sofia by exploring options for tickets in the morning.

What does SEA to SOF mean?

These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Seattle/Tacoma Intl Airport to Sofia Airport flight would often be abbreviated as a SEA to SOF flight.

Flights from Seattle, WA to Sofia, Bulgaria from $396

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SEA — SOF

Jun 11 — Jun 181

Round-tripOne-way

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The best prices from Seattle/Tacoma Intl to Sofia are usually found in March or February, booked 0 days in advance, depart on a Friday or Sunday and return on a Wednesday

How to find the cheapest flight from Seattle (SEA) to Sofia (SOF)

Popular in	December
Cheapest in	March
Average price	$1,166
Round-trip from	$541

High demand for flights, 39% potential price rise

Search Deals

Best time to find cheap flights, 34% potential price drop

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Average for round-trip flights in June 2023

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From Seattle/Tacoma Intl to Sofia

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SEA - SOF Price	$541 - $1,263
SOF Temperature	30.2 - 68 °F
SOF Rainfall	1.2 - 2.8 inches

SEA - SOF

Price

$541 - $1,263

SOF

Temperature

30.2 - 68 °F

SOF

Rainfall

1.2 - 2.8 inches

Cheap flights from Seattle to Sofia in June, July 2023

Listed are some of the best fares we've found on flights departing from Seattle to Sofia in 2023. More deals are always being added, so be sure to check back regularly.

Jun 26 - Nov 22

SEA

Seattle/Tacoma Intl

SOF

Sofia

2 stops

26h 35m

SOF

Sofia

SEA

Seattle/Tacoma Intl

2 stops

41h 24m

$1,286

Multiple Airlines

Deal found 6/5

Jun 26 - Nov 21

SEA

Seattle/Tacoma Intl

SOF

Sofia

2 stops

26h 35m

SOF

Sofia

SEA

Seattle/Tacoma Intl

2 stops

17h 56m

$1,292

Air Canada

Deal found 6/5

Jun 27 - Jan 25

SEA

Seattle/Tacoma Intl

SOF

Sofia

2 stops

17h 40m

SOF

Sofia

SEA

Seattle/Tacoma Intl

1 stop

15h 30m

$1,303

Lufthansa

Deal found 6/5

Jun 25 - Jan 23

SEA

Seattle/Tacoma Intl

SOF

Sofia

2 stops

19h 50m

SOF

Sofia

SEA

Seattle/Tacoma Intl

2 stops

25h 18m

$1,310

Multiple Airlines

Deal found 6/5

Jun 25 - Feb 14

SEA

Seattle/Tacoma Intl

SOF

Sofia

2 stops

19h 50m

SOF

Sofia

SEA

Seattle/Tacoma Intl

2 stops

17h 56m

$1,311

Multiple Airlines

Deal found 6/5

Jun 27 - Jan 29

SEA

Seattle/Tacoma Intl

SOF

Sofia

2 stops

17h 40m

SOF

Sofia

SEA

Seattle/Tacoma Intl

1 stop

31h 55m

$1,318

Lufthansa

Deal found 6/5

Jun 27 - Nov 27

SEA

Seattle/Tacoma Intl

SOF

Sofia

2 stops

17h 40m

SOF

Sofia

SEA

Seattle/Tacoma Intl

2 stops

27h 10m

$1,328

Lufthansa

Deal found 6/5

Jun 25 - Feb 19

SEA

Seattle/Tacoma Intl

SOF

Sofia

2 stops

19h 50m

SOF

Sofia

SEA

Seattle/Tacoma Intl

2 stops

36h 53m

$1,332

Multiple Airlines

Deal found 6/5

Jun 22 - Feb 18

SEA

Seattle/Tacoma Intl

SOF

Sofia

1 stop

13h 40m

SOF

Sofia

SEA

Seattle/Tacoma Intl

1 stop

36h 00m

$1,334

Multiple Airlines

Deal found 6/5

Seattle to Sofia 2023 flight deals

Listed are some of the best fares we've found on flights departing from Seattle to Sofia in 2023. More deals are always being added, so be sure to check back regularly.

Sep 20 - Oct 11

SEA

Seattle/Tacoma Intl

SOF

Sofia

1 stop

16h 35m

SOF

Sofia

SEA

Seattle/Tacoma Intl

1 stop

29h 05m

$832

Turkish Airlines

Deal found 6/5

Aug 21 - Sep 25

SEA

Seattle/Tacoma Intl

SOF

Sofia

1 stop

28h 45m

SOF

Sofia

SEA

Seattle/Tacoma Intl

1 stop

29h 05m

$848

Turkish Airlines

Deal found 6/5

Sep 20 - Oct 11

SEA

Seattle/Tacoma Intl

SOF

Sofia

2 stops

26h 50m

SOF

Sofia

SEA

Seattle/Tacoma Intl

2 stops

17h 48m

$849

Lufthansa

Deal found 6/5

Sep 20 - Oct 11

SEA

Seattle/Tacoma Intl

SOF

Sofia

2 stops

26h 50m

SOF

Sofia

SEA

Seattle/Tacoma Intl

1 stop

15h 50m

$861

Lufthansa

Deal found 6/5

Sep 21 - Oct 11

SEA

Seattle/Tacoma Intl

SOF

Sofia

1 stop

16h 35m

SOF

Sofia

SEA

Seattle/Tacoma Intl

1 stop

34h 55m

$862

Turkish Airlines

Deal found 6/5

Oct 17 - Nov 12

SEA

Seattle/Tacoma Intl

SOF

Sofia

1 stop

34h 45m

SOF

Sofia

SEA

Seattle/Tacoma Intl

1 stop

17h 00m

$872

Turkish Airlines

Deal found 6/5

Aug 24 - Sep 25

SEA

Seattle/Tacoma Intl

SOF

Sofia

1 stop

16h 35m

SOF

Sofia

SEA

Seattle/Tacoma Intl

1 stop

29h 05m

$877

Turkish Airlines

Deal found 6/5

Aug 17 - Sep 25

SEA

Seattle/Tacoma Intl

SOF

Sofia

1 stop

28h 45m

SOF

Sofia

SEA

Seattle/Tacoma Intl

1 stop

34h 55m

$878

Turkish Airlines

Deal found 6/5

Aug 19 - Sep 25

SEA

Seattle/Tacoma Intl

SOF

Sofia

1 stop

34h 45m

SOF

Sofia

SEA

Seattle/Tacoma Intl

1 stop

29h 05m

$888

Turkish Airlines

Deal found 6/5

Cheap Turkish Airlines flights from Seattle to Sofia

Peruse some of the lowest-priced Turkish Airlines flights we've found from Seattle to Sofia. Deals update often to give you more flight options matching your criteria

Sep 20 - Oct 11

SEA

Seattle/Tacoma Intl

SOF

Sofia

1 stop

16h 35m

SOF

Sofia

SEA

Seattle/Tacoma Intl

1 stop

29h 05m

$832

Turkish Airlines

Deal found 6/5

Aug 21 - Sep 25

SEA

Seattle/Tacoma Intl

SOF

Sofia

1 stop

28h 45m

SOF

Sofia

SEA

Seattle/Tacoma Intl

1 stop

29h 05m

$848

Turkish Airlines

Deal found 6/5

Sep 21 - Oct 11

SEA

Seattle/Tacoma Intl

SOF

Sofia

1 stop

16h 35m

SOF

Sofia

SEA

Seattle/Tacoma Intl

1 stop

34h 55m

$862

Turkish Airlines

Deal found 6/5

Oct 17 - Nov 12

SEA

Seattle/Tacoma Intl

SOF

Sofia

1 stop

34h 45m

SOF

Sofia

SEA

Seattle/Tacoma Intl

1 stop

17h 00m

$872

Turkish Airlines

Deal found 6/5

Aug 24 - Sep 25

SEA

Seattle/Tacoma Intl

SOF

Sofia

1 stop

16h 35m

SOF

Sofia

SEA

Seattle/Tacoma Intl

1 stop

29h 05m

$877

Turkish Airlines

Deal found 6/5

Aug 17 - Sep 25

SEA

Seattle/Tacoma Intl

SOF

Sofia

1 stop

28h 45m

SOF

Sofia

SEA

Seattle/Tacoma Intl

1 stop

34h 55m

$878

Turkish Airlines

Deal found 6/5

Aug 19 - Sep 25

SEA

Seattle/Tacoma Intl

SOF

Sofia

1 stop

34h 45m

SOF

Sofia

SEA

Seattle/Tacoma Intl

1 stop

29h 05m

$888

Turkish Airlines

Deal found 6/5

Aug 21 - Sep 26

SEA

Seattle/Tacoma Intl

SOF

Sofia

1 stop

28h 45m

SOF

Sofia

SEA

Seattle/Tacoma Intl

1 stop

34h 55m

$896

Turkish Airlines

Deal found 6/5

Aug 21 - Sep 27

SEA

Seattle/Tacoma Intl

SOF

Sofia

1 stop

28h 45m

SOF

Sofia

SEA

Seattle/Tacoma Intl

1 stop

34h 55m

$898

Turkish Airlines

Deal found 6/5

Cheap Lufthansa flights from Seattle to Sofia

To aid your search, here are some of the cheapest Lufthansa flights we've found from Seattle to Sofia. Ensure the flight price, dates, time, and airline match your criteria before you book.

Sep 20 - Oct 11

SEA

Seattle/Tacoma Intl

SOF

Sofia

2 stops

26h 50m

SOF

Sofia

SEA

Seattle/Tacoma Intl

2 stops

17h 48m

$849

Lufthansa

Deal found 6/5

Sep 20 - Oct 11

SEA

Seattle/Tacoma Intl

SOF

Sofia

2 stops

26h 50m

SOF

Sofia

SEA

Seattle/Tacoma Intl

1 stop

15h 50m

$861

Lufthansa

Deal found 6/5

Aug 20 - Sep 27

SEA

Seattle/Tacoma Intl

SOF

Sofia

2 stops

19h 10m

SOF

Sofia

SEA

Seattle/Tacoma Intl

2 stops

29h 33m

$977

Lufthansa

Deal found 6/5

Aug 20 - Sep 26

SEA

Seattle/Tacoma Intl

SOF

Sofia

2 stops

19h 10m

SOF

Sofia

SEA

Seattle/Tacoma Intl

2 stops

23h 55m

$980

Lufthansa

Deal found 6/5

Aug 20 - Sep 25

SEA

Seattle/Tacoma Intl

SOF

Sofia

2 stops

19h 10m

SOF

Sofia

SEA

Seattle/Tacoma Intl

2 stops

26h 55m

$998

Lufthansa

Deal found 6/5

Last minute flights from Seattle to Sofia

Users seeking a last-minute flight from Seattle to Sofia should consider booking one of these fares. Users should be sure to double check the price, date, and time of their last-minute flight.

Jun 16 - Feb 18

SEA

Seattle/Tacoma Intl

SOF

Sofia

1 stop

36h 00m

SOF

Sofia

SEA

Seattle/Tacoma Intl

1 stop

36h 00m

$1,726

Multiple Airlines

Deal found 6/5

Jun 16 - Jan 28

SEA

Seattle/Tacoma Intl

SOF

Sofia

1 stop

36h 00m

SOF

Sofia

SEA

Seattle/Tacoma Intl

1 stop

36h 00m

$1,730

Multiple Airlines

Deal found 6/5

Jun 13 - Jul 5

SEA

Seattle/Tacoma Intl

SOF

Sofia

2 stops

20h 10m

SOF

Sofia

SEA

Seattle/Tacoma Intl

2 stops

25h 21m

$1,776

Condor

Deal found 6/5

Jun 16 - Nov 26

SEA

Seattle/Tacoma Intl

SOF

Sofia

1 stop

36h 00m

SOF

Sofia

SEA

Seattle/Tacoma Intl

1 stop

36h 00m

$1,841

Multiple Airlines

Deal found 6/4

Jun 16 - Aug 21

SEA

Seattle/Tacoma Intl

SOF

Sofia

1 stop

36h 00m

SOF

Sofia

SEA

Seattle/Tacoma Intl

1 stop

31h 15m

$1,937

Emirates

Deal found 6/5

Jun 16 - Nov 28

SEA

Seattle/Tacoma Intl

SOF

Sofia

1 stop

36h 00m

SOF

Sofia

SEA

Seattle/Tacoma Intl

1 stop

32h 10m

$1,941

Emirates

Deal found 6/4

Jun 16 - Nov 27

SEA

Seattle/Tacoma Intl

SOF

Sofia

1 stop

36h 00m

SOF

Sofia

SEA

Seattle/Tacoma Intl

2 stops

27h 10m

$1,974

Multiple Airlines

Deal found 6/4

Jun 16 - Aug 2

SEA

Seattle/Tacoma Intl

SOF

Sofia

1 stop

36h 00m

SOF

Sofia

SEA

Seattle/Tacoma Intl

1 stop

31h 15m

$1,992

Emirates

Deal found 6/4

Jun 16 - Nov 22

SEA

Seattle/Tacoma Intl

SOF

Sofia

1 stop

36h 00m

SOF

Sofia

SEA

Seattle/Tacoma Intl

2 stops

20h 00m

$2,017

Multiple Airlines

Deal found 6/4

One-way flights to Sofia from Seattle

Users in need of a one-way flight from Seattle to Sofia can choose from these deals. Those needing a return flight from Seattle to Sofia can use the search form above.

Aug 23

SEA

Seattle/Tacoma Intl

SOF

Sofia

3 stops

55h 15m

$396

Multiple Airlines

Deal found 6/5

Jul 4

SEA

Seattle/Tacoma Intl

SOF

Sofia

3 stops

53h 50m

$559

Multiple Airlines

Deal found 6/5

Jul 30

SEA

Seattle/Tacoma Intl

SOF

Sofia

1 stop

20h 20m

$589

Multiple Airlines

Deal found 6/5

Aug 23

SEA

Seattle/Tacoma Intl

SOF

Sofia

1 stop

28h 45m

$599

Turkish Airlines

Deal found 6/5

Jul 13

SEA

Seattle/Tacoma Intl

SOF

Sofia

1 stop

35h 40m

$601

Multiple Airlines

Deal found 6/5

Jul 6

SEA

Seattle/Tacoma Intl

SOF

Sofia

1 stop

35h 40m

$619

Multiple Airlines

Deal found 6/5

Aug 4

SEA

Seattle/Tacoma Intl

SOF

Sofia

1 stop

35h 40m

$655

Multiple Airlines

Deal found 6/5

Jul 7

SEA

Seattle/Tacoma Intl

SOF

Sofia

3 stops

27h 20m

$660

Multiple Airlines

Deal found 6/5

Aug 5

SEA

Seattle/Tacoma Intl

SOF

Sofia

1 stop

15h 50m

$669

Multiple Airlines

Deal found 6/5

Find flights from Seattle to Sofia within your budget

Fly from

Fly to

Budget

$832 - $989

Route

Depart

Return

Price

Seattle/Tacoma IntlSofia

SEA - SOF

SEASOF

Seattle/Tacoma Intl

Wed 9/20

1 stop16h 35m

Sofia

Wed 10/11

1 stop29h 05m

$832

Pick Dates

Seattle/Tacoma IntlSofia

SEA - SOF

SEASOF

Seattle/Tacoma Intl

Mon 8/21

1 stop28h 45m

Sofia

Mon 9/25

1 stop29h 05m

$848

Pick Dates

Seattle/Tacoma IntlSofia

SEA - SOF

SEASOF

Seattle/Tacoma Intl

Wed 9/20

2 stops26h 50m

Sofia

Wed 10/11

2 stops17h 48m

$849

Pick Dates

Seattle/Tacoma IntlSofia

SEA - SOF

SEASOF

Seattle/Tacoma Intl

Wed 9/20

2 stops26h 50m

Sofia

Wed 10/11

1 stop15h 50m

$861

Pick Dates

Seattle/Tacoma IntlSofia

SEA - SOF

SEASOF

Seattle/Tacoma Intl

Thu 9/21

2 stops33h 32m

Sofia

Wed 10/11

2 stops26h 44m

$890

Pick Dates

Seattle/Tacoma IntlSofia

SEA - SOF

SEASOF

Seattle/Tacoma Intl

Fri 11/3

2 stops23h 00m

Sofia

Thu 11/30

3 stops18h 21m

$918

Pick Dates

Seattle/Tacoma IntlSofia

SEA - SOF

SEASOF

Seattle/Tacoma Intl

Sat 9/30

2 stops26h 50m

Sofia

Sat 10/7

2 stops36h 23m

$922

Pick Dates

Seattle/Tacoma IntlSofia

SEA - SOF

SEASOF

Seattle/Tacoma Intl

Thu 9/21

3 stops37h 20m

Sofia

Wed 10/11

2 stops20h 50m

$923

Pick Dates

Seattle/Tacoma IntlSofia

SEA - SOF

SEASOF

Seattle/Tacoma Intl

Wed 8/23

1 stop20h 55m

Sofia

Tue 9/26

1 stop24h 20m

$989

Pick Dates

Flights are sorted by cheapest first

Deals found on 6/5

Reviews of airlines servicing Sofia

Peruse reviews from past customers who have flown with Turkish Airlines, Lufthansa and United Airlines from Seattle to Sofia to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

United Airlines

7.6

Good

1,558 reviews

Check prices

Reviews

1 / 10

The flight crew was fantastic! The flight was 50 mins early on arrival into Denver! Seats are tight. Had some troubles on my iPad connecting but my Android phone did just fine.

United Airlines

7.6

Good

1,558 reviews

United Airlines

7.6

Good

1,558 reviews

Check prices

Reviews

1 / 10

The flight crew was fantastic! The flight was 50 mins early on arrival into Denver! Seats are tight. Had some troubles on my iPad connecting but my Android phone did just fine.

Turkish Airlines

7.3

Good

1,437 reviews

United Airlines

7.6

Good

1,558 reviews

Check prices

Reviews

1 / 10

The flight crew was fantastic! The flight was 50 mins early on arrival into Denver! Seats are tight. Had some troubles on my iPad connecting but my Android phone did just fine.

Lufthansa

6.8

Okay

1,193 reviews

United Airlines

7.6

Good

1,558 reviews

Check prices

Reviews

1 / 10

The flight crew was fantastic! The flight was 50 mins early on arrival into Denver! Seats are tight. Had some troubles on my iPad connecting but my Android phone did just fine.

Air Canada

6.7

Okay

933 reviews

United Airlines

7.6

Good

1,558 reviews

Check prices

Reviews

1 / 10

The flight crew was fantastic! The flight was 50 mins early on arrival into Denver! Seats are tight. Had some troubles on my iPad connecting but my Android phone did just fine.

British Airways

6.6

Okay

557 reviews

United Airlines

7.6

Good

1,558 reviews

Check prices

Reviews

1 / 10

The flight crew was fantastic! The flight was 50 mins early on arrival into Denver! Seats are tight. Had some troubles on my iPad connecting but my Android phone did just fine.

Related info for your journey

Top 7 airlines flying from Seattle to Sofia

Airline	Cheapest	Average	Flexibility	On-time	COVID-19 safety
Air France	Cheapest$707	Average$989	FlexibilityNo cancel fee	On-time77%	COVID-19 safety	Search Air France flights
United Airlines	Cheapest$712	Average$1,096	FlexibilityNo cancel fee	On-time69%	COVID-19 safety	Search United Airlines flights
Turkish Airlines	Cheapest$722	Average$1,215	FlexibilityNo cancel fee	On-time77%	COVID-19 safety	Search Turkish Airlines flights
KLM	Cheapest$774	Average$1,039	FlexibilityNo cancel fee	On-time75%	COVID-19 safety	Search KLM flights
Lufthansa	Cheapest$806	Average$1,335	FlexibilityNo cancel fee	On-time76%	COVID-19 safety	Search Lufthansa flights
British Airways	Cheapest$1,172	Average$1,275	FlexibilityNo cancel fee	On-time70%	COVID-19 safety	Search British Airways flights
Condor	Cheapest$1,310	Average$1,518	FlexibilityNo cancel fee	On-time76%	COVID-19 safety	Search Condor flights

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Cheap flights from Seattle (SEA) to Sofia (SOF) from $396

This is the cheapest one-way flight price, found on 6/5. Prices may vary by date and flight preferences.

The best prices from Seattle/Tacoma Intl to Sofia are usually found in March or February, booked 0 days in advance, depart on a Friday or Sunday and return on a Wednesday

How to find the cheapest flight from Seattle (SEA) to Sofia (SOF)

All the information you need to plan the best SEA to SOF flight in 2023: compare Seattle to Sofia flight prices with the expected peak season, weather and rainfall in Sofia.

Popular in

Cheapest in

Average price

Round-trip from

What is the cheapest day to fly round-trip from Seattle to Sofia?

What is the cheapest month to fly from Seattle to Sofia?

When is the cheapest time to fly from Seattle to Sofia (SEA - SOF)?

Cheap flights from Seattle to Sofia in June, July 2023

The best prices found for SEA to SOF flights for June, July

Listed are some of the best fares we've found on flights departing from Seattle to Sofia in 2023. More deals are always being added, so be sure to check back regularly.

Seattle to Sofia 2023 flight deals

Cheap flights to Sofia from Seattle found for this year

Listed are some of the best fares we've found on flights departing from Seattle to Sofia in 2023. More deals are always being added, so be sure to check back regularly.

Cheap Turkish Airlines flights from Seattle to Sofia

Peruse some of the lowest-priced Turkish Airlines flights we've found from Seattle to Sofia. Deals update often to give you more flight options matching your criteria

Cheap Lufthansa flights from Seattle to Sofia

To aid your search, here are some of the cheapest Lufthansa flights we've found from Seattle to Sofia. Ensure the flight price, dates, time, and airline match your criteria before you book.

Last minute flights from Seattle to Sofia

Late deals on return flights to Sofia from Seattle, departing today and this week

Users seeking a last-minute flight from Seattle to Sofia should consider booking one of these fares. Users should be sure to double check the price, date, and time of their last-minute flight.

One-way flights to Sofia from Seattle

The cheapest one-way flights from Seattle to Sofia

Users in need of a one-way flight from Seattle to Sofia can choose from these deals. Those needing a return flight from Seattle to Sofia can use the search form above.

Find flights from Seattle to Sofia within your budget

Use the slider to find flights from Seattle to Sofia that fit your budget.

Reviews of airlines servicing Sofia

Peruse reviews from past customers who have flown with Turkish Airlines, Lufthansa and United Airlines from Seattle to Sofia to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Useful info, stats and facts about Seattle to Sofia flights.

Which airlines flying from Seattle/Tacoma Intl to Sofia have flexible cancellations due to COVID-19?

Can I find flights from Seattle to Sofia for under $900 on Cheapflights?

Are there last-minute flights available from Seattle to Sofia for under $1,800?

What are the cheapest airlines flying from Seattle to Sofia round-trip?

What are the most popular airlines that fly from Seattle to Sofia?

What does SEA to SOF mean?

Other flights from Seattle

Flights to Sofia from Seattle

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Top 7 airlines flying from Seattle to Sofia

The chart below displays the airlines Cheapflights users traveling from Seattle to Sofia choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.

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