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$270+ Cheap flights from Seattle (SEA) to Belgrade (BEG)

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 2/22. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BEG
feb. 14 — feb. 211
sáb. 2/14
sáb. 2/21
1 adult, Economy
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Cheap flight deals from Seattle to Belgrade

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Belgrade (BEG). 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 enero 15, 2026.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$485
(Kiwi.com)

One-way from

$270
(Trip.com)

Popular in

July

Cheapest in

February

Average price

$980
Provider with most accurate pricing for Seattle/Tacoma Intl-Belgrade Nikola Tesla flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Belgrade Nikola Tesla flights.
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From Seattle/Tacoma Intl to Belgrade Nikola Tesla
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One-way flight from Seattle/Tacoma Intl to Belgrade Nikola Tesla
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Highest demand for flights based on searches. 18% potential increase in price ($217 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($35 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Find flight deals from Seattle to Belgrade

Cheapest flights from Seattle to Belgrade
Explore the most affordable flight options available from Seattle to Belgrade. Find the lowest fares from popular airlines and budget airlines, with prices last updated on enero 15, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/15. 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.
mié. 2/253:10 pm
SEA
-
BEG
1 stop16h 55m
Multiple Airlines
vie. 3/69:40 am
BEG
-
SEA
2 stops22h 05m
Multiple Airlines
Deal found 1/15$486
This Kiwi.com deal was found by Cheapflights users on 1/15. 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.
mié. 2/253:10 pm
SEA
-
BEG
1 stop12h 35m
Lufthansa
vie. 3/66:15 am
BEG
-
SEA
1 stop14h 55m
Lufthansa
Deal found 1/15$489
This Kiwi.com deal was found by Cheapflights users on 1/15. 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.
vie. 2/203:10 pm
SEA
-
BEG
1 stop12h 35m
Lufthansa
mié. 3/46:15 am
BEG
-
SEA
2 stops21h 48m
Lufthansa
Deal found 1/15$494
This FlightHub deal was found by Cheapflights users on 1/13. 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.
dom. 4/266:50 pm
SEA
-
BEG
1 stop12h 40m
Multiple Airlines
mar. 5/59:15 am
BEG
-
SEA
2 stops18h 15m
Multiple Airlines
Deal found 1/13$510
This KLM deal was found by Cheapflights users on 1/15. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 4/265:30 pm
SEA
-
BEG
1 stop20h 25m
KLM
mar. 5/512:40 pm
BEG
-
SEA
1 stop32h 02m
KLM
Deal found 1/15$517
This KLM deal was found by Cheapflights users on 1/13. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 2/233:05 pm
SEA
-
BEG
1 stop35h 50m
KLM
lun. 3/165:50 pm
BEG
-
SEA
1 stop26h 45m
KLM
Deal found 1/13$519
This KLM deal was found by Cheapflights users on 1/15. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 1/258:00 am
SEA
-
BEG
2 stops18h 55m
KLM
lun. 2/912:35 pm
BEG
-
SEA
1 stop32h 05m
KLM
Deal found 1/15$520
This Mytrip deal was found by Cheapflights users on 1/13. 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.
lun. 2/238:00 pm
SEA
-
BEG
2 stops36h 05m
Multiple Airlines
lun. 3/162:35 pm
BEG
-
SEA
2 stops40h 10m
Multiple Airlines
Deal found 1/13$523
This Delta deal was found by Cheapflights users on 1/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 2/117:10 am
SEA
-
BEG
2 stops31h 15m
Delta
mié. 2/186:05 am
BEG
-
SEA
1 stop14h 35m
Delta
Deal found 1/13$524

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to Belgrade 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 enero 15, 2026.
Use the filters below to find and compare flights from Seattle to Belgrade that are best for you.

Fly from

Seattle

Fly to

Belgrade

Route

Depart

Return

Price

SeattleBelgrade

SEA - BEG

SEABEG

Seattle/Tacoma Intl

mié. 2/25

3:10 pm-5:05 pm

1 stop16h 55m

Belgrade Nikola Tesla

vie. 3/6

9:40 am-10:45 pm

2 stops22h 05m

$486

SeattleBelgrade

SEA - BEG

SEABEG

Seattle/Tacoma Intl

dom. 4/26

6:50 pm-4:30 pm

1 stop12h 40m

Belgrade Nikola Tesla

mar. 5/5

9:15 am-6:30 pm

2 stops18h 15m

$510

SeattleBelgrade

SEA - BEG

SEABEG

Seattle/Tacoma Intl

dom. 4/26

5:30 pm-12:00 pm

1 stop33h 30m

Belgrade Nikola Tesla

mar. 5/5

6:00 am-4:30 pm

1 stop19h 30m

$517

SeattleBelgrade

SEA - BEG

SEABEG

Seattle/Tacoma Intl

dom. 1/25

3:10 pm-11:55 am

1 stop35h 45m

Belgrade Nikola Tesla

lun. 2/9

5:50 pm-11:40 am

1 stop26h 50m

$520

SeattleBelgrade

SEA - BEG

SEABEG

Seattle/Tacoma Intl

mié. 2/25

10:55 am-1:45 pm

2 stops17h 50m

Belgrade Nikola Tesla

vie. 3/6

9:40 am-11:28 pm

2 stops22h 48m

$524

SeattleBelgrade

SEA - BEG

SEABEG

Seattle/Tacoma Intl

dom. 1/25

6:15 am-11:25 pm

2 stops32h 10m

Belgrade Nikola Tesla

lun. 2/9

12:35 pm-3:00 pm

2 stops35h 25m

$526

SeattleBelgrade

SEA - BEG

SEABEG

Seattle/Tacoma Intl

mié. 2/11

7:10 am-11:25 pm

2 stops31h 15m

Belgrade Nikola Tesla

mié. 2/18

6:05 am-7:00 pm

2 stops21h 55m

$534

SeattleBelgrade

SEA - BEG

SEABEG

Seattle/Tacoma Intl

mié. 2/25

8:00 am-11:55 am

2 stops18h 55m

Belgrade Nikola Tesla

sáb. 3/7

6:05 am-11:35 am

1 stop14h 30m

$535

SeattleBelgrade

SEA - BEG

SEABEG

Seattle/Tacoma Intl

dom. 2/22

2:35 pm-5:20 pm

2 stops17h 45m

$270

SeattleBelgrade

SEA - BEG

SEABEG

Seattle/Tacoma Intl

lun. 4/20

3:40 pm-11:00 pm

2 stops22h 20m

$284

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/14

Showing 1-10 of 16 results
1
2

Compare providers for flights from Seattle to Belgrade

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seattle to Belgrade in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
AranGrantPrice Accuracy2 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Seattle-Belgrade flights, users find the pricing of Justfly.com to be most consistent on Cheapflights vs. Justfly.com Users can find the same prices on Seattle-Belgrade flight deals on Cheapflights vs. Justfly.com >95% of the time. Price accuracy is based on data collected from Seattle-Belgrade flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seattle-Belgrade flights, Cheapflights users trust Justfly.com the most. Justfly.com has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-Belgrade flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Seattle to Belgrade

Have a flexible travel schedule? Discover the best time to fly to Belgrade 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.

Cheapflights Insights

Everything you need to know about your flight from Seattle to Belgrade

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

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Belgrade. Price data was last updated on January 9, 2026.

The price you pay for your flight from Seattle to Belgrade may vary depending on when you book. For the best chance of a lower fare, look to book 44 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, December is the cheapest month in which you can book a flight from Seattle to Belgrade (average of $524). Flying from Seattle to Belgrade in November is currently the most expensive (average of $1,073). 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 Belgrade

Get insights into the airlines that provide service to Belgrade. 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 Belgrade. Reviews last updated enero 15, 2026.
See what other customers who have flown with KLM, Turkish Airlines, and Lufthansa from Seattle to Belgrade have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.7
Good
1,440 reviews

Boarding

7.8

Crew

8.4

Overall

7.7

Food

7.2

Entertainment

7.1

Comfort

7.6

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
KLM
7.7
Good
1,440 reviews
KLM
7.7
Good
1,440 reviews

Boarding

7.8

Crew

8.4

Overall

7.7

Food

7.2

Entertainment

7.1

Comfort

7.6

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
Turkish Airlines
7.3
Good
4,176 reviews
KLM
7.7
Good
1,440 reviews

Boarding

7.8

Crew

8.4

Overall

7.7

Food

7.2

Entertainment

7.1

Comfort

7.6

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
Lufthansa
6.8
Okay
7,718 reviews
KLM
7.7
Good
1,440 reviews

Boarding

7.8

Crew

8.4

Overall

7.7

Food

7.2

Entertainment

7.1

Comfort

7.6

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Belgrade. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Seattle to Belgrade?

    For as low as $517, KLM can have you in Belgrade from Seattle in 33h 30m. There are 5666 mi between Seattle and Belgrade.

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

    According to our current data, Lufthansa ($580), KLM ($688), and Turkish Airlines ($745) offers the cheapest pricing from Seattle to Belgrade. These flights start at 41% lower than the current average price 3 months from now.

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

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

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

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

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

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

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

    Currently, December is the cheapest month in which you can book a flight from Seattle to Belgrade (average of $524). Flying from Seattle to Belgrade in November is currently the most expensive (average of $1,073). 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 Belgrade

See prices for flight routes from nearby airports that may be better suited for you.
Portland to Belgrade flights

Top 3 airlines flying from Seattle to Belgrade

Discover the top 3 airlines that operate flights from Seattle to Belgrade. 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 enero 15, 2026.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$580Average$918FlexibilityNo cancel feeOn-time76%
KLMCheapest$688Average$851FlexibilityNo cancel feeOn-time75%
Turkish AirlinesCheapest$745Average$1,040FlexibilityNo cancel feeOn-time77%

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