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Cheap flights from Seattle to Antananarivo from $883

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Antananarivo departing on 9/13. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Seattle to Antananarivo

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
6:50 am - 2:00 pmSEA  Seattle/Tacoma Intl-TNR Antananarivo
44h 10m2 stops Newark Johannesburg OR Tambo
United Airlines Logo
2:45 pm - 9:05 pmTNR  Antananarivo-SEA Seattle/Tacoma Intl
41h 20m2 stops Johannesburg OR Tambo Newark
$1,324United Airlines
Wed, Jan 27 - Sun, Jan 31
United Airlines Logo
8:30 am - 2:00 pmSEA  Seattle/Tacoma Intl-TNR Antananarivo
43h 30m3 stops Denver Intl Newark Johannesburg OR Tambo
United Airlines Logo
2:45 pm - 6:19 pmTNR  Antananarivo-SEA Seattle/Tacoma Intl
37h 34m2 stops Johannesburg OR Tambo Newark
$1,324United Airlines
Mon, Sep 28 - Wed, Oct 14
United Airlines Logo
7:00 am - 2:00 pmSEA  Seattle/Tacoma Intl-TNR Antananarivo
45h 00m2 stops Newark Johannesburg OR Tambo
United Airlines Logo
2:45 pm - 9:55 pmTNR  Antananarivo-SEA Seattle/Tacoma Intl
41h 10m2 stops Johannesburg OR Tambo Newark
$1,324United Airlines
Mon, Sep 28 - Wed, Oct 14
United Airlines Logo
6:50 am - 2:00 pmSEA  Seattle/Tacoma Intl-TNR Antananarivo
44h 10m2 stops Newark Johannesburg OR Tambo
United Airlines Logo
2:45 pm - 9:05 pmTNR  Antananarivo-SEA Seattle/Tacoma Intl
41h 20m2 stops Johannesburg OR Tambo Newark
$1,325United Airlines
Wed, Jan 27 - Sun, Jan 31
United Airlines Logo
6:45 am - 2:00 pmSEA  Seattle/Tacoma Intl-TNR Antananarivo
44h 15m2 stops Newark Johannesburg OR Tambo
United Airlines Logo
2:45 pm - 9:39 pmTNR  Antananarivo-SEA Seattle/Tacoma Intl
41h 54m2 stops Johannesburg OR Tambo Newark
$1,461United Airlines
Mon, Nov 2 - Sun, Nov 22
Turkish Airlines Logo
7:05 pm - 2:50 pmSEA  Seattle/Tacoma Intl-TNR Antananarivo
32h 45m2 stops Istanbul Port Louis Sir Seewoosagur Ram.
Turkish Airlines Logo
4:15 pm - 5:10 pmTNR  Antananarivo-SEA Seattle/Tacoma Intl
35h 55m2 stops Port Louis Sir Seewoosagur Ram. Istanbul
$1,480Turkish Airlines
Tue, Nov 10 - Tue, Nov 24
United Airlines Logo
8:30 am - 2:00 pmSEA  Seattle/Tacoma Intl-TNR Antananarivo
42h 30m3 stops Denver Intl Newark Johannesburg OR Tambo
United Airlines Logo
2:45 pm - 9:39 pmTNR  Antananarivo-SEA Seattle/Tacoma Intl
41h 54m2 stops Johannesburg OR Tambo Newark
$1,536United Airlines
Mon, Nov 2 - Sun, Nov 22
Multiple Airlines Logo
4:05 pm - 11:20 pmSEA  Seattle/Tacoma Intl-TNR Antananarivo
44h 15m1 stop Paris Charles de Gaulle
Multiple Airlines Logo
1:30 am - 8:44 amTNR  Antananarivo-SEA Seattle/Tacoma Intl
42h 14m2 stops Paris Charles de Gaulle Vancouver Intl
$1,539Multiple Airlines
Tue, Nov 10 - Mon, Nov 23
Ethiopian Air Logo
12:16 am - 1:45 pmSEA  Seattle/Tacoma Intl-TNR Antananarivo
27h 29m2 stops Chicago O'Hare Intl Addis Ababa Bole
Ethiopian Air Logo
3:20 am - 9:37 amTNR  Antananarivo-SEA Seattle/Tacoma Intl
40h 17m3 stops Addis Ababa Bole Lome Washington, D.C. Dulles Intl
$2,068Ethiopian Air
Sun, Sep 6 - Sun, Sep 13
KLM Logo
1:30 pm - 10:20 pmSEA  Seattle/Tacoma Intl-TNR Antananarivo
22h 50m1 stop Paris Charles de Gaulle
KLM Logo
12:25 am - 11:20 amTNR  Antananarivo-SEA Seattle/Tacoma Intl
44h 55m1 stop Paris Charles de Gaulle
$9,299KLM
Thu, Sep 10 - Sun, Oct 11

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Ethiopian Air flights from Seattle to Antananarivo

Our best Ethiopian Air deals on Seattle to Antananarivo flight tickets
Ethiopian Air
Sep 6
SEA12:16 amSeattle/Tacoma Intl
27h 29m
2 stops
TNR1:45 pmAntananarivo
Sep 13
TNR3:20 amAntananarivo
40h 17m
3 stops
SEA9:37 amSeattle/Tacoma Intl
$2,068
Ethiopian Air
Sep 20
SEA11:04 pmSeattle/Tacoma Intl
28h 41m
2 stops
TNR1:45 pmAntananarivo
Sep 27
TNR2:50 pmAntananarivo
39h 47m
3 stops
SEA8:37 pmSeattle/Tacoma Intl
$2,155
Ethiopian Air
Sep 20
SEA11:04 pmSeattle/Tacoma Intl
52h 41m
3 stops
TNR1:45 pmAntananarivo
Sep 27
TNR2:50 pmAntananarivo
39h 47m
3 stops
SEA8:37 pmSeattle/Tacoma Intl
$2,308

United Airlines flights from Seattle to Antananarivo

Our best United Airlines deals on Seattle to Antananarivo flight tickets
United Airlines
Sep 28
SEA7:00 amSeattle/Tacoma Intl
45h 00m
2 stops
TNR2:00 pmAntananarivo
Oct 14
TNR2:45 pmAntananarivo
41h 10m
2 stops
SEA9:55 pmSeattle/Tacoma Intl
$1,324
United Airlines
Jan 27
SEA6:50 amSeattle/Tacoma Intl
44h 10m
2 stops
TNR2:00 pmAntananarivo
Jan 31
TNR2:45 pmAntananarivo
41h 20m
2 stops
SEA9:05 pmSeattle/Tacoma Intl
$1,325
United Airlines
Nov 2
SEA6:45 amSeattle/Tacoma Intl
44h 15m
2 stops
TNR2:00 pmAntananarivo
Nov 22
TNR2:45 pmAntananarivo
41h 54m
2 stops
SEA9:39 pmSeattle/Tacoma Intl
$1,461

momondo 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, momondo users made 832,500 searches. Data last updated August 11, 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 Seattle/Tacoma Intl - TNR Antananarivo

SEATNR

Seattle/Tacoma Intl

Wed 1/27

6:50 am-2:00 pm

2 stops44h 10m

Antananarivo

Sun 1/31

2:45 pm-9:05 pm

2 stops41h 20m

$1,324

SeattleAntananarivo

SEA Seattle/Tacoma Intl - TNR Antananarivo

SEATNR

Seattle/Tacoma Intl

Mon 9/28

8:30 am-2:00 pm

3 stops43h 30m

Antananarivo

Wed 10/14

2:45 pm-6:19 pm

2 stops37h 34m

$1,324

SeattleAntananarivo

SEA Seattle/Tacoma Intl - TNR Antananarivo

SEATNR

Seattle/Tacoma Intl

Mon 9/28

7:00 am-2:00 pm

2 stops45h 00m

Antananarivo

Wed 10/14

2:45 pm-9:55 pm

2 stops41h 10m

$1,324

SeattleAntananarivo

SEA Seattle/Tacoma Intl - TNR Antananarivo

SEATNR

Seattle/Tacoma Intl

Wed 1/27

6:50 am-2:00 pm

2 stops44h 10m

Antananarivo

Sun 1/31

2:45 pm-9:05 pm

2 stops41h 20m

$1,325

SeattleAntananarivo

SEA Seattle/Tacoma Intl - TNR Antananarivo

SEATNR

Seattle/Tacoma Intl

Mon 11/2

6:45 am-2:00 pm

2 stops44h 15m

Antananarivo

Sun 11/22

2:45 pm-9:39 pm

2 stops41h 54m

$1,461

SeattleAntananarivo

SEA Seattle/Tacoma Intl - TNR Antananarivo

SEATNR

Seattle/Tacoma Intl

Tue 11/10

7:05 pm-2:50 pm

2 stops32h 45m

Antananarivo

Tue 11/24

4:15 pm-5:10 pm

2 stops35h 55m

$1,480

SeattleAntananarivo

SEA Seattle/Tacoma Intl - TNR Antananarivo

SEATNR

Seattle/Tacoma Intl

Mon 11/2

8:30 am-2:00 pm

3 stops42h 30m

Antananarivo

Sun 11/22

2:45 pm-9:39 pm

2 stops41h 54m

$1,536

SeattleAntananarivo

SEA Seattle/Tacoma Intl - TNR Antananarivo

SEATNR

Seattle/Tacoma Intl

Tue 11/10

4:05 pm-11:20 pm

1 stop44h 15m

Antananarivo

Mon 11/23

1:30 am-8:44 am

2 stops42h 14m

$1,539

SeattleAntananarivo

SEA Seattle/Tacoma Intl - TNR Antananarivo

SEATNR

Seattle/Tacoma Intl

Sun 9/6

12:16 am-1:45 pm

2 stops27h 29m

Antananarivo

Sun 9/13

3:20 am-9:37 am

3 stops40h 17m

$2,068
Quickest round-trip

SeattleAntananarivo

SEA Seattle/Tacoma Intl - TNR Antananarivo

SEATNR

Seattle/Tacoma Intl

Thu 9/10

1:30 pm-10:20 pm

1 stop22h 50m

Antananarivo

Sun 10/11

12:25 am-11:20 am

1 stop44h 55m

$9,299

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 Antananarivo from

How to get the cheapest flight ticket from Seattle to Antananarivo

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 airline that flies from Seattle/Tacoma Intl to Antananarivo?

United Airlines is the most popular carrier operating from Seattle/Tacoma Intl to Antananarivo

When to book flights from Seattle to Antananarivo

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to Antananarivo according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Seattle to Antananarivo (SEA to TNR) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Antananarivo

Fastest flight time

29h 02m

Direct flights

None
The fastest flight from Seattle to Antananarivo takes 29h 02m
There are no direct flights from Seattle to Antananarivo. There are no popular flight routes from Seattle to Antananarivo.
Search flight deals

Frequently asked questions about flying from Seattle to Antananarivo

  • How far is Seattle/Tacoma Intl to Antananarivo by plane?

    There are 10365.2 mi between Seattle/Tacoma Intl and Antananarivo. 29h 02m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Antananarivo Airport?

    Prices for flights from Seattle/Tacoma Intl Airport to Antananarivo Airport were last updated today.

  • How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Antananarivo Airport?

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Antananarivo Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Antananarivo Airport.

  • What documentation or ID do you need to fly to Antananarivo Airport?

    The required travel and health documents for your Antananarivo Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Antananarivo Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Seattle to Antananarivo?

Best airlines flying from Seattle to Antananarivo

Compare and see reviews for airlines that fly from Seattle to Antananarivo with momondo
Airline
Rating
Free Cancellation
Price
KLMPriceFrom $1,481Free CancellationRating
7.8
1,556 reviews
Search KLM flights

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Antananarivo?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Seattle to Antananarivo for you.

Can I find flights from Seattle to Antananarivo with flexible booking policies on momondo?

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

How can momondo help me find flights from Seattle to Antananarivo?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Antananarivo from Seattle.

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

Yes. momondo can track prices for Seattle to Antananarivo 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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