Cheap flights from San Francisco to Houston from $187 SFO → IAH

Found recently, and the cheapest we hold

What have prices looked like?

Over 49 days, 24 Sept to 11 Nov, the cheapest return we saw each day was $148 to $433.

Those were the prices on those days, not today's.

Could nearby dates be cheaper?

We hold no other 7-night return fares leaving within 3 days of 25 Dec to compare.

Every date we hold

4 fares on 4 departure dates

Which month looks cheapest?

January 2027 is the cheapest month — from $219.

Found recently, and the cheapest we hold

What have prices looked like?

Over 39 days, 25 Sept to 11 Nov, the cheapest one-way we saw each day was $54 to $171.

At $187, the cheapest one-way found recently is above that range.

Those were the prices on those days, not today's.

Could nearby dates be cheaper?

We hold no other one-way fares leaving within 3 days of 20 Dec to compare.

Every date we hold

3 fares on 3 departure dates

Which month looks cheapest?

January 2027 is the cheapest month — from $111.

Return

Fares 30 to 59 days before departure were typically 29% lower than 0 to 6 days before departure.

From the cheapest return each day between 24 Sept and 11 Nov (49 days), grouped by how many days ahead the flight left; one adult in economy.

Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.

Prices reflect recent searches — current fares may differ.

One-way

The cheapest fares were 30 to 59 days before departure.

From the cheapest one-way each day between 25 Sept and 11 Nov (39 days), grouped by how many days ahead the flight left; one adult in economy.

Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.

Prices reflect recent searches — current fares may differ.

How much is a return flight from San Francisco to Houston?

The cheapest return found recently is $362 with Frontier Airlines, 25 Dec to 1 Jan 2027, found 2 days ago. The cheapest return we hold, of any age, is $219 with Frontier Airlines, 17 Jan 2027 to 24 Jan 2027, found 7 days ago. The cheapest return fare on each of 4 departure dates is usually $240 to $295.

How much is a one-way flight from San Francisco to Houston?

The cheapest one-way found recently is $187 with Frontier Airlines, 20 Dec, found 4 days ago. The cheapest one-way we hold, of any age, is $111 with Frontier Airlines, 16 Jan 2027, found 7 days ago. The cheapest one-way fare on each of 3 departure dates is usually $121 to $159.

What is the cheapest month to fly from San Francisco to Houston?

January 2027 is the cheapest month for a return, from $219, 17 Jan 2027 to 24 Jan 2027, found 7 days ago. It is the cheapest month for a one-way too, from $111, 16 Jan 2027, found 7 days ago.

How far ahead should I book a flight from San Francisco to Houston?

In 49 days of prices between 24 Sept and 11 Nov, return fares 30 to 59 days before departure were typically 29% lower than 0 to 6 days before departure. In 39 days of prices between 25 Sept and 11 Nov, one-way fares were cheapest 30 to 59 days before departure.

How long is the flight from San Francisco to Houston?

The cheapest one-way found recently, with Frontier Airlines on 20 Dec, takes 6 h with 1 stop.

Which airlines have the cheapest flights from San Francisco to Houston?

Between 6 Dec and 17 Jan 2027, Frontier Airlines has the cheapest return on all 4 departure dates we hold. Between 20 Dec and 13 Feb 2027, Frontier Airlines has the cheapest one-way on all 3 departure dates we hold.