Cheap flights from Seattle (SEA) to Sofia (SOF) from $369

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 7/18. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
SEA — SOF
Jun 25 — Jul 21

The best prices from Seattle/Tacoma Intl to Sofia are usually found in December or November, booked 65 days in advance, depart on a Monday or Saturday and return on a Sunday

Cheap flight deals from Seattle to Sofia

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Sofia (SOF). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated Juni 20, 2024.

Popular in

June

Cheapest in

December

Round-trip from

$660

One-way from

$522
High demand for flights, 30% potential price rise
Best time to find cheap flights, 31% potential price drop
From Seattle/Tacoma Intl to Sofia
One-way flight from Seattle/Tacoma Intl to Sofia

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

Sunday is generally a great day to depart. Flying on this day could help you save up to 24%.

How far in advance should I book a flight from Seattle to Sofia?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 50 days in advance, which can save you up to 9% on flights from Seattle to Sofia compared to booking the week you need them. Waiting 50 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $615. For sooner than that we have options available in the next 3 days from $615.

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

Flights from Seattle to Sofia lean towards being more expensive in June. Prices are generally better when you fly from Seattle to Sofia in December, with the cheapest ticket starting at $489.

What is the cheapest time of day to fly from SEA to SOF?

Unlike in the afternoon, when flights are generally more expensive, you can save up to 19% on flights from Seattle to Sofia by exploring options for tickets in the evening.

Cheap Seattle to Sofia flights in June & July 2024

Find cheap flight options from Seattle to Sofia specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,256,981 searches. Prices were last updated on Juni 20, 2024.
Listed are some of the best fares we've found on flights departing from Seattle to Sofia in 2024. More deals are always being added, so be sure to check back regularly.
Mi 7/245:50 amSEA - SOF
2 stops26h 15mAir Canada
Mi 9/1112:55 pmSOF - SEA
2 stops19h 25mAir Canada
Deal found 6/20$907
Mi 7/242:15 pmSEA - SOF
1 stop22h 20mLufthansa
Mi 9/116:30 amSOF - SEA
2 stops25h 50mLufthansa
Deal found 6/20$909
Mi 7/242:15 pmSEA - SOF
1 stop22h 20mLufthansa
Mi 9/1112:00 pmSOF - SEA
1 stop34h 15mLufthansa
Deal found 6/20$936
Di 7/2312:30 amSEA - SOF
2 stops25h 40mUnited Airlines
Mi 9/116:00 amSOF - SEA
2 stops22h 42mUnited Airlines
Deal found 6/20$976
So 7/286:10 pmSEA - SOF
1 stop33h 50mKLM
Mo 10/217:10 amSOF - SEA
1 stop37h 25mKLM
Deal found 6/19$1,006
So 7/287:00 amSEA - SOF
2 stops33h 15mMultiple Airlines
Mo 10/215:00 amSOF - SEA
3 stops25h 26mMultiple Airlines
Deal found 6/19$1,014
So 7/287:00 amSEA - SOF
2 stops33h 15mMultiple Airlines
Mo 10/2110:15 amSOF - SEA
2 stops20h 11mMultiple Airlines
Deal found 6/19$1,017
Mi 7/242:15 pmSEA - SOF
2 stops22h 45mUnited Airlines
Mi 9/118:00 amSOF - SEA
3 stops23h 59mUnited Airlines
Deal found 6/20$1,026
So 7/146:50 pmSEA - SOF
1 stop18h 10mLufthansa
Fr 10/1112:55 pmSOF - SEA
1 stop14h 04mLufthansa
Deal found 6/19$1,041

Seattle to Sofia 2024 flight deals

Discover exclusive flight deals for travel between Seattle and Sofia in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,256,981 searches. Data last updated Juni 20, 2024.
Listed are some of the best fares we've found on flights departing from Seattle to Sofia in 2024. More deals are always being added, so be sure to check back regularly.
Mi 8/216:40 pmSEA - SOF
1 stop15h 40mTurkish Airlines
Mi 9/189:10 pmSOF - SEA
1 stop29h 35mTurkish Airlines
Deal found 6/18$764
Do 9/1912:15 pmSEA - SOF
1 stop22h 05mTurkish Airlines
Do 10/39:20 amSOF - SEA
1 stop17h 25mTurkish Airlines
Deal found 6/19$794
Mo 9/26:40 pmSEA - SOF
1 stop27h 50mTurkish Airlines
Fr 11/110:00 amSOF - SEA
1 stop17h 05mTurkish Airlines
Deal found 6/19$813
Mo 9/26:40 pmSEA - SOF
1 stop15h 40mTurkish Airlines
Fr 11/110:00 amSOF - SEA
1 stop17h 05mTurkish Airlines
Deal found 6/20$817
Mo 9/28:55 amSEA - SOF
2 stops28h 05mUnited Airlines
Fr 11/12:00 pmSOF - SEA
2 stops40h 08mUnited Airlines
Deal found 6/20$820
Mo 9/27:20 amSEA - SOF
2 stops25h 25mUnited Airlines
Fr 11/16:00 amSOF - SEA
1 stop16h 10mUnited Airlines
Deal found 6/20$825
Mo 9/211:05 amSEA - SOF
2 stops25h 55mUnited Airlines
Fr 11/16:05 amSOF - SEA
1 stop17h 15mUnited Airlines
Deal found 6/19$826
Mo 9/28:55 amSEA - SOF
2 stops28h 05mUnited Airlines
Fr 11/16:00 amSOF - SEA
3 stops23h 52mUnited Airlines
Deal found 6/20$835
Mo 9/212:40 pmSEA - SOF
2 stops20h 05mUnited Airlines
Fr 11/16:05 amSOF - SEA
2 stops26h 40mUnited Airlines
Deal found 6/19$836

Seattle to Sofia flights leaving soon

Find last-minute flight options from Seattle to Sofia for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 3,256,981 searches. Data last updated Juni 20, 2024.
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.
Di 7/27:00 amSEA - SOF
2 stops26h 10mMultiple Airlines
Di 7/232:05 pmSOF - SEA
2 stops53h 59mMultiple Airlines
Deal found 6/20$1,213
Di 7/26:50 pmSEA - SOF
2 stops17h 45mLufthansa
Di 7/236:00 amSOF - SEA
1 stop20h 59mLufthansa
Deal found 6/20$1,256
So 6/306:40 pmSEA - SOF
1 stop15h 40mMultiple Airlines
Mo 11/49:15 pmSOF - SEA
2 stops31h 46mMultiple Airlines
Deal found 6/19$1,329
Di 7/21:50 pmSEA - SOF
3 stops27h 05mMultiple Airlines
Di 7/232:05 pmSOF - SEA
2 stops42h 15mMultiple Airlines
Deal found 6/20$1,338
Mo 7/16:40 pmSEA - SOF
1 stop15h 40mMultiple Airlines
Mo 11/49:15 pmSOF - SEA
2 stops31h 46mMultiple Airlines
Deal found 6/19$1,343
Di 7/26:50 pmSEA - SOF
1 stop18h 10mLufthansa
Di 7/236:00 amSOF - SEA
1 stop20h 59mLufthansa
Deal found 6/20$1,350
Mo 7/112:30 amSEA - SOF
2 stops32h 15mUnited Airlines
Di 7/2312:55 pmSOF - SEA
1 stop14h 04mUnited Airlines
Deal found 6/20$1,386
Mo 7/112:30 amSEA - SOF
2 stops32h 15mMultiple Airlines
Di 7/238:00 amSOF - SEA
2 stops18h 59mMultiple Airlines
Deal found 6/20$1,411
Di 6/256:50 pmSEA - SOF
1 stop31h 20mLufthansa
Di 7/212:55 pmSOF - SEA
1 stop14h 04mLufthansa
Deal found 6/18$1,465

One-way flights to Sofia from Seattle

Search for one-way flight options from Seattle to Sofia. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,256,981 searches. Data last updated Juni 20, 2024.
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.
Do 7/187:00 amSEA - SOF
3 stops52h 30mMultiple Airlines
Deal found 6/20$369
Mi 9/181:50 pmSEA - SOF
2 stops17h 20mMultiple Airlines
Deal found 6/19$382
Do 7/255:15 pmSEA - SOF
3 stops54h 35mMultiple Airlines
Deal found 6/18$398
So 7/2111:00 pmSEA - SOF
3 stops50h 55mMultiple Airlines
Deal found 6/19$404
Do 7/255:15 pmSEA - SOF
2 stops40h 55mMultiple Airlines
Deal found 6/18$407
Sa 7/66:15 pmSEA - SOF
3 stops53h 05mMultiple Airlines
Deal found 6/19$414
Mi 9/181:50 pmSEA - SOF
3 stops35h 50mMultiple Airlines
Deal found 6/19$425
So 7/2111:00 pmSEA - SOF
2 stops36h 10mMultiple Airlines
Deal found 6/19$429
Sa 7/66:15 pmSEA - SOF
2 stops56h 25mMultiple Airlines
Deal found 6/19$433

Find flights from Seattle to Sofia within your budget

Customize your flight search to find flights from Seattle to Sofia 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 3,256,981 searches. Data last updated Juni 20, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$764 - $1,186

Route

Depart

Return

Price

Seattle/Tacoma IntlSofia

SEA - SOF

SEASOF

Seattle/Tacoma Intl

Mi 8/21

1 stop15h 40m

Sofia

Mi 9/18

1 stop29h 35m

$764

Seattle/Tacoma IntlSofia

SEA - SOF

SEASOF

Seattle/Tacoma Intl

Mo 9/2

2 stops28h 05m

Sofia

Fr 11/1

2 stops40h 08m

$820

Seattle/Tacoma IntlSofia

SEA - SOF

SEASOF

Seattle/Tacoma Intl

Mi 8/21

2 stops21h 05m

Sofia

Mi 9/18

2 stops19h 25m

$862

Seattle/Tacoma IntlSofia

SEA - SOF

SEASOF

Seattle/Tacoma Intl

Mi 7/24

2 stops26h 15m

Sofia

Mi 9/11

2 stops19h 25m

$907

Seattle/Tacoma IntlSofia

SEA - SOF

SEASOF

Seattle/Tacoma Intl

Mi 7/24

1 stop22h 20m

Sofia

Mi 9/11

2 stops25h 50m

$909

Seattle/Tacoma IntlSofia

SEA - SOF

SEASOF

Seattle/Tacoma Intl

Mi 8/21

2 stops19h 30m

Sofia

Mi 9/18

1 stop37h 10m

$945

Seattle/Tacoma IntlSofia

SEA - SOF

SEASOF

Seattle/Tacoma Intl

Do 9/19

2 stops34h 55m

Sofia

Do 10/3

2 stops17h 31m

$1,043

Seattle/Tacoma IntlSofia

SEA - SOF

SEASOF

Seattle/Tacoma Intl

Do 9/19

2 stops33h 01m

Sofia

Do 10/3

1 stop24h 15m

$1,072

Seattle/Tacoma IntlSofia

SEA - SOF

SEASOF

Seattle/Tacoma Intl

Do 10/3

2 stops18h 40m

Sofia

Sa 10/19

2 stops20h 41m

$1,186

Flights are sorted by cheapest first

Deals found on 6/18

How far ahead should I book a flight from Seattle to Sofia?

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Sofia. Price data was last updated on June 14, 2024.
The price you pay for your flight from Seattle to Sofia may vary depending on when you book. For the best chance of a lower fare, look to book 65 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Search Deals

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

Use this chart to determine the cheapest time to fly round-trip from Seattle to Sofia. Price data was last updated on June 16, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Seattle to Sofia flight should consider departing on Friday at noon when fares are most often at their lowest. Thursday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Best time to book a flight from Seattle to Sofia

Have a flexible travel schedule? Discover the best time to fly to Sofia from Seattle with our price prediction graph.
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.

Temperature and rainfall in Sofia by month

Plan your trip to Sofia by taking into account the average temperature and rainfall totals by month.

SOF

Temperature

30.2 - 68 °F

If weather is an important factor for your trip to Sofia, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

Reviews of airlines servicing Sofia

Get insights into the airlines that provide service to Sofia. 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 Sofia. Reviews last updated Juni 20, 2024.
Peruse reviews from past customers who have flown with Turkish Airlines, KLM and SWISS 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.
7.9
Good
1,437 reviews

Crew

8.4

Boarding

7.9

Entertainment

7.2

Comfort

7.7

Food

7.3

Overall

7.9

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

7.9
Good
1,437 reviews
7.9
Good
1,437 reviews

Crew

8.4

Boarding

7.9

Entertainment

7.2

Comfort

7.7

Food

7.3

Overall

7.9

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

7.7
Good
1,876 reviews
7.9
Good
1,437 reviews

Crew

8.4

Boarding

7.9

Entertainment

7.2

Comfort

7.7

Food

7.3

Overall

7.9

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

7.7
Good
971 reviews
7.9
Good
1,437 reviews

Crew

8.4

Boarding

7.9

Entertainment

7.2

Comfort

7.7

Food

7.3

Overall

7.9

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

7.4
Good
3,730 reviews
7.9
Good
1,437 reviews

Crew

8.4

Boarding

7.9

Entertainment

7.2

Comfort

7.7

Food

7.3

Overall

7.9

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

7.4
Good
10,000 reviews
7.9
Good
1,437 reviews

Crew

8.4

Boarding

7.9

Entertainment

7.2

Comfort

7.7

Food

7.3

Overall

7.9

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Sofia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • Can I find flights from Seattle to Sofia for under $800 on Cheapflights?

    Yes, there are multiple flights from Seattle to Sofia for under $800. The cheapest flight booked recently is on Turkish Airlines for just $764, but on average you can expect to pay $876.

  • Are there last-minute flights available from Seattle to Sofia for under $1,300?

    There are currently 20+ open flights from Seattle to Sofia within the next 7 days for less than $1,300.

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

    Cheapflights users have booked flights from Seattle to Sofia round-trip from $764. Other airlines that can offer you cheap pricing are United Airlines, from $820, and Air Canada, from $907. Turkish Airlines is 17% cheaper than the average price of flights available within the next 90 days to this destination.

  • 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.

  • Can I find deals for flights from Seattle to Sofia that include extra baggage allowance?

    The amount of baggage you can bring on your Seattle to Sofia flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Seattle to Sofia with specific airlines?

    Yes, Cheapflights allows you to browse and filter Seattle to Sofia flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Seattle to Sofia that include hotel bookings?

    Yes. In addition to deals on Seattle to Sofia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Sofia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Sofia.

  • Can I find deals for business class flights from Seattle to Sofia?

    Yes. Cheapflights offers flight deals from Seattle to Sofia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Seattle to Sofia that allow pets onboard?

    Many airlines flying from Seattle to Sofia offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Seattle to Sofia?

    Yes, you can often find last-minute deals on Seattle to Sofia flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Seattle to Sofia flight deals updated?

    The Seattle to Sofia flight deals you see on this page were last updated on 6/20.

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

  • What is the cheapest month to book a flight from Seattle to Sofia?

    Currently, November is the cheapest month in which you can book a flight from Seattle to Sofia (average of $660). Flying from Seattle to Sofia in June is currently the most expensive (average of $1,237). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Seattle to Sofia
See prices for flight routes from nearby airports that may be better suited for you.

Top 7 airlines flying from Seattle to Sofia

Discover the top 7 airlines that operate flights from Seattle to Sofia. 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 3,256,981 searches. Data last updated Juni 20, 2024.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$490Average$905FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$497Average$1,085FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$541Average$1,113FlexibilityNo cancel feeOn-time76%
Turkish AirlinesCheapest$684Average$967FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$817Average$919FlexibilityNo cancel feeOn-time67%
KLMCheapest$860Average$1,520FlexibilityNo cancel feeOn-time75%
CondorCheapest$1,221Average$1,310FlexibilityNo cancel feeOn-time76%

Search flights from Seattle to Sofia by cabin class

Find flights from Seattle to Sofia, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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