When did momondo last update prices for flights from San Antonio Airport to Duluth Intl Airport?

Prices for flights from San Antonio Airport to Duluth Intl Airport are updated daily.

How many operators does momondo search for flights from San Antonio Airport to Duluth Intl Airport?

As of August 2025, there is 1 operator available to choose from for flights from San Antonio Airport to Duluth Intl Airport.

How old do you have to be to fly from San Antonio Airport to Duluth Intl 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 San Antonio Airport to Duluth Intl Airport.

What documentation or ID do you need to fly to Duluth Intl Airport?

The required travel and health documents for your Duluth Intl 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 Duluth Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$245 Cheap Flights from San Antonio to Duluth (SAT-DLH) in 2025

1 adult

0 bags

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Find the cheapest flights from San Antonio to Duluth (SAT-DLH)

Round-trip

One-way

Cheap round-trip flights

6:25 am - 11:22 amSAT-DLH

4h 57m1 stop

4:20 pm - 9:29 pmDLH-SAT

5h 09m1 stop

$258Delta

Find Deal

Sat, Nov 8 - Sat, Nov 15

6:25 am - 11:22 amSAT-DLH

4h 57m1 stop

4:20 pm - 12:05 amDLH-SAT

7h 45m2 stops

$264Delta

Find Deal

Sat, Nov 8 - Sat, Nov 15

5:14 am - 3:30 pmSAT-DLH

10h 16m2 stops

12:00 pm - 11:18 pmDLH-SAT

11h 18m2 stops

$294Delta

Find Deal

Sat, Nov 8 - Sat, Nov 15

2:05 pm - 7:13 pmSAT-DLH

5h 08m1 stop

5:10 am - 11:50 amDLH-SAT

6h 40m1 stop

$428Delta

Find Deal

Sun, Sep 14 - Sun, Sep 21

6:30 am - 2:35 pmSAT-DLH

8h 05m1 stop

3:10 pm - 10:48 pmDLH-SAT

7h 38m2 stops

$482United Airlines

Find Deal

Mon, Sep 15 - Mon, Sep 22

6:30 am - 2:35 pmSAT-DLH

8h 05m1 stop

9:45 am - 4:18 pmDLH-SAT

6h 33m1 stop

$489United Airlines

Find Deal

Wed, Sep 3 - Sun, Sep 7

11:45 am - 10:05 pmSAT-DLH

10h 20m2 stops

9:45 am - 4:18 pmDLH-SAT

6h 33m1 stop

$494United Airlines

Find Deal

Wed, Sep 3 - Sun, Sep 7

6:30 am - 2:35 pmSAT-DLH

8h 05m1 stop

3:10 pm - 10:58 pmDLH-SAT

7h 48m1 stop

$496United Airlines

Find Deal

Mon, Sep 15 - Mon, Sep 22

11:45 am - 10:05 pmSAT-DLH

10h 20m2 stops

3:10 pm - 10:48 pmDLH-SAT

7h 38m2 stops

$502United Airlines

Find Deal

Mon, Sep 15 - Mon, Sep 22

6:30 am - 2:35 pmSAT-DLH

8h 05m1 stop

3:10 pm - 12:48 pmDLH-SAT

21h 38m2 stops

$576United Airlines

Find Deal

Mon, Sep 1 - Fri, Sep 5

United Airlines flights from San Antonio to Duluth

Our best United Airlines deals on San Antonio to Duluth flight tickets

United Airlines

Aug 26

SAT12:57 pmSan Antonio

5h 33m

1 stop

DLH6:30 pmDuluth Intl

Aug 30

DLH3:10 pmDuluth Intl

7h 48m

2 stops

SAT10:58 pmSan Antonio

$454

Find similar

United Airlines

Sep 15

SAT6:30 amSan Antonio

8h 05m

1 stop

DLH2:35 pmDuluth Intl

Sep 22

DLH3:10 pmDuluth Intl

7h 38m

2 stops

SAT10:48 pmSan Antonio

$482

Find similar

United Airlines

Sep 3

SAT6:30 amSan Antonio

8h 05m

1 stop

DLH2:35 pmDuluth Intl

Sep 7

DLH9:45 amDuluth Intl

6h 33m

1 stop

SAT4:18 pmSan Antonio

$489

Find similar

Delta flights from San Antonio to Duluth

Our best Delta deals on San Antonio to Duluth flight tickets

Delta

Nov 8

SAT6:25 amSan Antonio

4h 57m

1 stop

DLH11:22 amDuluth Intl

Nov 15

DLH4:20 pmDuluth Intl

5h 09m

1 stop

SAT9:29 pmSan Antonio

$258

Find similar

Delta

Nov 8

SAT6:25 amSan Antonio

4h 57m

1 stop

DLH11:22 amDuluth Intl

Nov 15

DLH4:20 pmDuluth Intl

7h 45m

2 stops

SAT12:05 amSan Antonio

$264

Find similar

Delta

Nov 8

SAT5:14 amSan Antonio

10h 16m

2 stops

DLH3:30 pmDuluth Intl

Nov 15

DLH12:00 pmDuluth Intl

11h 18m

2 stops

SAT11:18 pmSan Antonio

$294

Find similar

Fly from

Fly to

Route

Depart

Return

Price

San AntonioDuluth

SAT - DLH

SATDLH

San Antonio

Sat 11/8

6:25 am-11:22 am

1 stop4h 57m

Duluth Intl

Sat 11/15

4:20 pm-9:29 pm

1 stop5h 09m

$258

San AntonioDuluth

SAT - DLH

SATDLH

San Antonio

Sat 11/8

6:25 am-11:22 am

1 stop4h 57m

Duluth Intl

Sat 11/15

4:20 pm-12:05 am

2 stops7h 45m

$264

San AntonioDuluth

SAT - DLH

SATDLH

San Antonio

Sat 11/8

5:14 am-3:30 pm

2 stops10h 16m

Duluth Intl

Sat 11/15

12:00 pm-11:18 pm

2 stops11h 18m

$294

San AntonioDuluth

SAT - DLH

SATDLH

San Antonio

Sun 9/14

2:05 pm-7:13 pm

1 stop5h 08m

Duluth Intl

Sun 9/21

5:10 am-11:50 am

1 stop6h 40m

$428

San AntonioDuluth

SAT - DLH

SATDLH

San Antonio

Mon 9/15

6:30 am-2:35 pm

1 stop8h 05m

Duluth Intl

Mon 9/22

3:10 pm-10:48 pm

2 stops7h 38m

$482

San AntonioDuluth

SAT - DLH

SATDLH

San Antonio

Wed 9/3

6:30 am-2:35 pm

1 stop8h 05m

Duluth Intl

Sun 9/7

9:45 am-4:18 pm

1 stop6h 33m

$489

San AntonioDuluth

SAT - DLH

SATDLH

San Antonio

Wed 9/3

11:45 am-10:05 pm

2 stops10h 20m

Duluth Intl

Sun 9/7

9:45 am-4:18 pm

1 stop6h 33m

$494

San AntonioDuluth

SAT - DLH

SATDLH

San Antonio

Mon 9/15

6:30 am-2:35 pm

1 stop8h 05m

Duluth Intl

Mon 9/22

3:10 pm-10:58 pm

1 stop7h 48m

$496

San AntonioDuluth

SAT - DLH

SATDLH

San Antonio

Mon 9/15

11:45 am-10:05 pm

2 stops10h 20m

Duluth Intl

Mon 9/22

3:10 pm-10:48 pm

2 stops7h 38m

$502

San AntonioDuluth

SAT - DLH

SATDLH

San Antonio

Mon 9/1

6:30 am-2:35 pm

1 stop8h 05m

Duluth Intl

Fri 9/5

3:10 pm-12:48 pm

2 stops21h 38m

$576

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from San Antonio to Duluth

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 day to depart on your flight to Duluth?

The cheapest day to depart from San Antonio to Duluth is on a Wednesday when prices can be found for as low as $296. On the other hand, Sunday is the most expensive day to depart from San Antonio because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $488.

What is the cheapest time of day to depart on your flight to Duluth?

Flying to Duluth from San Antonio in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $388 when looking at flights departing in the afternoon. In contrast, the most expensive time of day to depart to Duluth is in the morning when prices are around $408.

When to book flights from San Antonio to Duluth

Are you open to changing your travel dates? Check out the ideal times to fly from San Antonio to Duluth according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap San Antonio to Duluth (SAT to DLH) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Antonio to Duluth

Direct flights	None

There are no direct flights from San Antonio to Duluth. There are no popular flight routes from San Antonio to Duluth.

Search flight deals

How far is San Antonio to Duluth Intl by plane?
A flight from San Antonio to Duluth Intl will travel around 1246.7 mi. In terms of flight time, this usually takes a little over 4h 33m.
When did momondo last update prices for flights from San Antonio Airport to Duluth Intl Airport?
Prices for flights from San Antonio Airport to Duluth Intl Airport are updated daily.
How many operators does momondo search for flights from San Antonio Airport to Duluth Intl Airport?
As of August 2025, there is 1 operator available to choose from for flights from San Antonio Airport to Duluth Intl Airport.
How old do you have to be to fly from San Antonio Airport to Duluth Intl 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 San Antonio Airport to Duluth Intl Airport.
What documentation or ID do you need to fly to Duluth Intl Airport?
The required travel and health documents for your Duluth Intl 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 Duluth Intl 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 San Antonio to Duluth?
momondo data reveals that the most frequently booked airline on the route from San Antonio to Duluth is Delta, representing 100% of all bookings.

Best airlines flying from San Antonio to Duluth

Compare and see reviews for airlines that fly from San Antonio to Duluth with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $258	Free Cancellation	Rating 7.9 7,982 reviews		Search Delta flights

Two Harbors

Hayward

Superior

Cloquet

Why use momondo?

Why should I use momondo to find a flight deal from San Antonio to Duluth?

It is quick and easy to find San Antonio to Duluth flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Duluth that suits you.

Can I find flights from San Antonio to Duluth with flexible booking policies on momondo?

Flights from San Antonio to Duluth with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from San Antonio to Duluth?

Once all potential San Antonio to Duluth flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes momondo offers price alerts on flights to Duluth from San Antonio. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.