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Antananarivo

$1,322+ Cheap flights from Seattle (SEA) to Antananarivo (TNR)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/29. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — TNR
Aug 31 — Sep 71
Mon 8/31
Mon 9/7
1 adult, Economy
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Cheap flight deals from Seattle to Antananarivo

Cheapest flights from Seattle to Antananarivo
Explore the most affordable flight options available from Seattle to Antananarivo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 1, 2026.

This United Airlines deal was found by Cheapflights users on 7/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/298:30 am
SEA
-
TNR
3 stops43h 30m
United Airlines
Fri 10/92:45 pm
TNR
-
SEA
2 stops41h 51m
United Airlines
Deal found 7/28$1,322
This United Airlines deal was found by Cheapflights users on 7/31. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/68:30 am
SEA
-
TNR
3 stops42h 30m
United Airlines
Thu 11/192:45 pm
TNR
-
SEA
2 stops41h 54m
United Airlines
Deal found 7/31$1,458
This United Airlines deal was found by Cheapflights users on 7/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/3010:48 pm
SEA
-
TNR
2 stops53h 12m
United Airlines
Fri 10/92:45 pm
TNR
-
SEA
2 stops41h 51m
United Airlines
Deal found 7/28$1,467
This United Airlines deal was found by Cheapflights users on 7/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1011:15 pm
SEA
-
TNR
2 stops51h 45m
United Airlines
Fri 11/202:45 pm
TNR
-
SEA
2 stops42h 26m
United Airlines
Deal found 7/28$1,540
This Air France deal was found by Cheapflights users on 7/28. 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.
Tue 11/104:05 pm
SEA
-
TNR
1 stop44h 15m
Air France
Thu 11/191:30 am
TNR
-
SEA
1 stop24h 44m
Air France
Deal found 7/28$1,570
This Air France deal was found by Cheapflights users on 7/28. 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 9/309:50 pm
SEA
-
TNR
2 stops38h 30m
Air France
Thu 10/812:25 am
TNR
-
SEA
1 stop27h 22m
Air France
Deal found 7/28$1,590
This Air France deal was found by Cheapflights users on 7/30. 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 11/187:15 am
SEA
-
TNR
2 stops29h 05m
Multiple Airlines
Thu 11/261:30 am
TNR
-
SEA
2 stops42h 14m
Multiple Airlines
Deal found 7/30$1,604

Find flight deals from Seattle to Antananarivo

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Antananarivo (TNR). 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 August 1, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,322
(United Airlines)
Provider with most accurate pricing for Seattle/Tacoma Intl-Antananarivo flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Antananarivo flights.
Search Deals
From Seattle/Tacoma Intl to Antananarivo
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to Antananarivo 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 August 1, 2026.
Use the filters below to find and compare flights from Seattle to Antananarivo that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleAntananarivo

SEA - TNR

SEATNR

Seattle/Tacoma Intl

Tue 9/29

8:30 am-2:00 pm

3 stops43h 30m

Antananarivo

Fri 10/9

2:45 pm-10:36 pm

2 stops41h 51m

$1,322

SeattleAntananarivo

SEA - TNR

SEATNR

Seattle/Tacoma Intl

Tue 11/10

11:15 pm-2:00 pm

2 stops51h 45m

Antananarivo

Fri 11/20

2:45 pm-10:11 pm

2 stops42h 26m

$1,540
Quickest round-trip

SeattleAntananarivo

SEA - TNR

SEATNR

Seattle/Tacoma Intl

Wed 11/18

7:15 am-11:20 pm

2 stops29h 05m

Antananarivo

Thu 11/26

1:30 am-8:44 am

2 stops42h 14m

$1,604

SeattleAntananarivo

SEA - TNR

SEATNR

Seattle/Tacoma Intl

Wed 11/18

8:30 am-2:00 pm

3 stops42h 30m

Antananarivo

Fri 11/27

2:45 pm-10:11 pm

2 stops42h 26m

$1,712

SeattleAntananarivo

SEA - TNR

SEATNR

Seattle/Tacoma Intl

Wed 10/7

8:30 am-2:00 pm

3 stops43h 30m

Antananarivo

Sun 10/11

2:45 pm-6:19 pm

2 stops37h 34m

$1,752
Cheapest one-way
Quickest one-way

SeattleAntananarivo

SEA - TNR

SEATNR

Seattle/Tacoma Intl

Fri 9/4

11:15 pm-4:50 pm

3 stops31h 35m

$16,778

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Sorted by cheapest first

Compare providers for flights from Seattle to Antananarivo

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 Antananarivo in August.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 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-Antananarivo flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Antananarivo flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Antananarivo flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seattle-Antananarivo flights, Cheapflights users trust FlightHub the most. FlightHub 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-Antananarivo 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 Antananarivo

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

Reviews of airlines servicing Antananarivo

Get insights into the airlines that provide service to Antananarivo. 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 Antananarivo. Reviews last updated August 1, 2026.
Read through reviews of airlines operating flights from Seattle to Antananarivo, such as KLM. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,552 reviews

Comfort

7.7

Boarding

7.8

Overall

7.8

Crew

8.4

Food

7.3

Entertainment

7.2

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
KLM
7.8
Good
1,552 reviews
KLM
7.8
Good
1,552 reviews

Comfort

7.7

Boarding

7.8

Overall

7.8

Crew

8.4

Food

7.3

Entertainment

7.2

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

Related info for your journey

Find useful and relevant information for your journey from Seattle to Antananarivo. 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 Antananarivo?

    Departing from Seattle to Antananarivo will take you 43h 30m. Seattle and Antananarivo are separated by a distance of 10368 mi.

  • What is the cheapest airline to fly from Seattle to Antananarivo round-trip?

    Our cheapest airline available from Seattle to Antananarivo is KLM. Our recent data shows that you can find tickets from as low as $1,481 on this airline.

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

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

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

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

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

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

See more FAQs

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Other flights to Antananarivo

Explore flights to Antananarivo departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 1, 2026.
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Top airline flying from Seattle to Antananarivo

Discover the top airline that operate flights from Seattle to Antananarivo. 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 August 1, 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$1,481Average$1,731FlexibilityNo cancel feeOn-time75%

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