How does momondo discover flight deals under $100?

momondo works with hundreds of travel providers to bring you the top deals on flights under $100. By pooling deals from a multitude of providers, momondo makes it quick and simple for you to compare fantastic deals on both domestic and international flights under $100.

Are there more one-way or round-trip deals under $100 on momondo?

Scoring a flight under $100, be it one-way or round-trip, can depend on a few factors such as where you're headed, which airline you're flying with, and when you decide to buy your tickets. While round-trip tickets were once the norm, the rise of budget airlines and increased competition have changed the game. For domestic flights or shorter journeys, one-way tickets under $100 can often be a real bargain, especially when you choose a budget-friendly airline. If you're flying internationally or embarking on a longer trip, round-trip tickets under $100 usually offer better value.

Does momondo have deals on flights to domestic destinations that are under $100?

Yes – momondo frequently features domestic flight deals under $100 within United States. Prices can vary based on your departure and arrival airports and the time of year or week, so if you don’t see something now, be sure to try again soon.

Can I find deals on flights to international destinations that are under $100 on momondo?

Yes – momondo also surfaces deals on international flights under $100, though availability may depend on whether you’re looking at one-way or round-trip options. International routes can cost a bit more, but deals are refreshed regularly – so check back often to find something that fits your travel plans and budget.

Book Cheap Flights Under $100 to Anywhere

Discover deals from 900+ travel sites with momondo.

Latest Cheap Tickets Under $100 to Top Destinations

New York

San Francisco

Dallas

Miami

Denver

Phoenix

Cheap Flights Under $100 to New York

Enter your travel dates to find the best prices.

10:11 pm - 12:29 amATL Atlanta Hartsfield-Jackson-EWR Newark

2h 18mnonstop

10:26 pm - 12:55 amEWR Newark-ATL Atlanta Hartsfield-Jackson

2h 29mnonstop

$146Frontier

Fri, Dec 4 - Sat, Dec 5

10:11 pm - 12:29 amATL Atlanta Hartsfield-Jackson-EWR Newark

2h 18mnonstop

10:26 pm - 12:55 amEWR Newark-ATL Atlanta Hartsfield-Jackson

2h 29mnonstop

$146Frontier

Fri, Dec 4 - Thu, Jan 14

10:45 am - 1:02 pmATL Atlanta Hartsfield-Jackson-EWR Newark

2h 17mnonstop

4:13 pm - 6:39 pmEWR Newark-ATL Atlanta Hartsfield-Jackson

2h 26mnonstop

$174United Airlines

Tue, Dec 15 - Tue, Dec 15

7:20 am - 9:30 amATL Atlanta Hartsfield-Jackson-EWR Newark

2h 10mnonstop

12:37 pm - 3:06 pmEWR Newark-ATL Atlanta Hartsfield-Jackson

2h 29mnonstop

$174United Airlines

Tue, Dec 15 - Tue, Dec 15

6:19 pm - 9:00 pmMCO Orlando-LGA New York LaGuardia

2h 41mnonstop

6:30 am - 9:35 amLGA New York LaGuardia-MCO Orlando

3h 05mnonstop

$178Multiple Airlines

Fri, Dec 4 - Tue, Dec 8

11:55 am - 2:33 pmMCO Orlando-LGA New York LaGuardia

2h 38mnonstop

6:30 am - 9:35 amLGA New York LaGuardia-MCO Orlando

3h 05mnonstop

$178Multiple Airlines

Thu, Dec 3 - Tue, Dec 8

8:37 am - 10:44 amATL Atlanta Hartsfield-Jackson-EWR Newark

2h 07mnonstop

2:00 pm - 4:34 pmEWR Newark-ATL Atlanta Hartsfield-Jackson

2h 34mnonstop

$179Delta

Tue, Jan 5 - Sat, Jan 9

8:37 am - 10:44 amATL Atlanta Hartsfield-Jackson-EWR Newark

2h 07mnonstop

3:32 pm - 6:04 pmEWR Newark-ATL Atlanta Hartsfield-Jackson

2h 32mnonstop

$179Delta

Wed, Jan 6 - Wed, Jan 6

8:45 am - 2:57 pmATL Atlanta Hartsfield-Jackson-LGA New York LaGuardia

6h 12m1 stop Fort Lauderdale

4:25 pm - 10:59 pmLGA New York LaGuardia-ATL Atlanta Hartsfield-Jackson

6h 34m1 stop Fort Lauderdale

$189JetBlue

Fri, Jan 22 - Sat, Jan 23

5:44 pm - 11:53 pmATL Atlanta Hartsfield-Jackson-LGA New York LaGuardia

6h 09m1 stop Fort Lauderdale

4:25 pm - 10:50 pmLGA New York LaGuardia-ATL Atlanta Hartsfield-Jackson

6h 25m1 stop Fort Lauderdale

$193JetBlue

Tue, Dec 8 - Sat, Dec 12

Cheap Flights Under $100 to San Francisco

Enter your travel dates to find the best prices.

10:10 am - 11:59 amLAS Las Vegas Harry Reid Intl-SFO San Francisco

1h 49mnonstop

6:30 pm - 8:09 pmSFO San Francisco-LAS Las Vegas Harry Reid Intl

1h 39mnonstop

$62Frontier

Fri, Jan 22 - Fri, Jan 22

3:12 pm - 5:01 pmLAS Las Vegas Harry Reid Intl-SFO San Francisco

1h 49mnonstop

10:28 am - 12:10 pmSFO San Francisco-LAS Las Vegas Harry Reid Intl

1h 42mnonstop

$63Frontier

Tue, Feb 23 - Thu, Feb 25

12:21 pm - 1:52 pmLAX Los Angeles-SFO San Francisco

1h 31mnonstop

5:39 pm - 7:10 pmSFO San Francisco-LAX Los Angeles

1h 31mnonstop

$81Multiple Airlines

Sat, Dec 19 - Tue, Dec 29

9:22 pm - 10:57 pmLAX Los Angeles-SFO San Francisco

1h 35mnonstop

4:46 pm - 6:19 pmSFO San Francisco-LAX Los Angeles

1h 33mnonstop

$83Multiple Airlines

Mon, Jan 4 - Thu, Jan 7

7:28 pm - 9:20 pmSAN San Diego-SFO San Francisco

1h 52mnonstop

2:49 pm - 4:26 pmSFO San Francisco-SAN San Diego

1h 37mnonstop

$110Alaska Airlines

Sat, Dec 5 - Mon, Dec 7

7:04 am - 8:52 amSAN San Diego-SFO San Francisco

1h 48mnonstop

8:20 am - 10:02 amSFO San Francisco-SAN San Diego

1h 42mnonstop

$110Alaska Airlines

Fri, Dec 18 - Fri, Dec 25

8:50 am - 10:05 amPHX Phoenix Sky Harbor Intl-SFO San Francisco

2h 15mnonstop

5:05 am - 8:00 amSFO San Francisco-PHX Phoenix Sky Harbor Intl

1h 55mnonstop

$117Southwest

Thu, Dec 10 - Mon, Dec 14

9:05 am - 10:25 amPHX Phoenix Sky Harbor Intl-SFO San Francisco

2h 20mnonstop

6:40 am - 9:40 amSFO San Francisco-PHX Phoenix Sky Harbor Intl

2h 00mnonstop

$117Southwest

Tue, Jan 19 - Wed, Jan 20

8:00 am - 9:11 amPHX Phoenix Sky Harbor Intl-SFO San Francisco

2h 11mnonstop

6:54 pm - 9:59 pmSFO San Francisco-PHX Phoenix Sky Harbor Intl

2h 05mnonstop

$117United Airlines

Wed, Dec 2 - Tue, Dec 8

9:43 am - 10:59 amPHX Phoenix Sky Harbor Intl-SFO San Francisco

2h 16mnonstop

8:10 am - 11:15 amSFO San Francisco-PHX Phoenix Sky Harbor Intl

2h 05mnonstop

$117United Airlines

Tue, Jan 5 - Fri, Jan 8

Cheap Flights Under $100 to Dallas

Enter your travel dates to find the best prices.

10:15 am - 1:05 pmMSP Minneapolis St Paul-DFW Dallas/Fort Worth

2h 50mnonstop

6:46 am - 9:16 amDFW Dallas/Fort Worth-MSP Minneapolis St Paul

2h 30mnonstop

$84Frontier

Fri, Jan 22 - Sun, Jan 24

11:25 am - 2:04 pmMSP Minneapolis St Paul-DFW Dallas/Fort Worth

2h 39mnonstop

8:00 am - 10:40 amDFW Dallas/Fort Worth-MSP Minneapolis St Paul

2h 40mnonstop

$84Frontier

Tue, Dec 8 - Fri, Dec 11

8:25 pm - 10:25 pmDTW Detroit Metropolitan Wayne County-DFW Dallas/Fort Worth

3h 00mnonstop

5:25 am - 9:09 amDFW Dallas/Fort Worth-DTW Detroit Metropolitan Wayne County

2h 44mnonstop

$119Delta

Fri, Dec 4 - Sun, Dec 6

3:50 pm - 5:49 pmDTW Detroit Metropolitan Wayne County-DFW Dallas/Fort Worth

2h 59mnonstop

11:42 am - 3:19 pmDFW Dallas/Fort Worth-DTW Detroit Metropolitan Wayne County

2h 37mnonstop

$119Delta

Tue, Dec 8 - Tue, Dec 15

9:00 am - 11:31 amFLL Fort Lauderdale-DFW Dallas/Fort Worth

3h 31mnonstop

7:00 am - 10:50 amDFW Dallas/Fort Worth-FLL Fort Lauderdale

2h 50mnonstop

$138Multiple Airlines

Wed, Dec 9 - Fri, Dec 11

8:25 am - 11:17 amMSP Minneapolis St Paul-DFW Dallas/Fort Worth

2h 52mnonstop

10:02 am - 12:41 pmDFW Dallas/Fort Worth-MSP Minneapolis St Paul

2h 39mnonstop

$141Multiple Airlines

Fri, Dec 18 - Thu, Jan 7

8:04 pm - 9:45 pmATL Atlanta Hartsfield-Jackson-DFW Dallas/Fort Worth

2h 41mnonstop

11:00 am - 2:05 pmDFW Dallas/Fort Worth-ATL Atlanta Hartsfield-Jackson

2h 05mnonstop

$157American Airlines

Wed, Dec 2 - Wed, Dec 9

6:00 am - 7:40 amATL Atlanta Hartsfield-Jackson-DFW Dallas/Fort Worth

2h 40mnonstop

4:04 pm - 7:09 pmDFW Dallas/Fort Worth-ATL Atlanta Hartsfield-Jackson

2h 05mnonstop

$157American Airlines

Tue, Dec 1 - Tue, Dec 8

7:35 am - 10:00 amFLL Fort Lauderdale-DFW Dallas/Fort Worth

3h 25mnonstop

4:15 pm - 8:13 pmDFW Dallas/Fort Worth-FLL Fort Lauderdale

2h 58mnonstop

$157JetBlue

Tue, Jan 12 - Tue, Jan 12

1:00 pm - 3:18 pmFLL Fort Lauderdale-DFW Dallas/Fort Worth

3h 18mnonstop

7:00 am - 10:50 amDFW Dallas/Fort Worth-FLL Fort Lauderdale

2h 50mnonstop

$176JetBlue

Sat, Dec 5 - Wed, Dec 9

Cheap Flights Under $100 to Miami

Enter your travel dates to find the best prices.

9:28 pm - 10:29 amATL Atlanta Hartsfield-Jackson-MIA Miami

13h 01m1 stop Dallas/Fort Worth

7:05 am - 9:25 amMIA Miami-ATL Atlanta Hartsfield-Jackson

2h 20mnonstop

$91Frontier

Fri, Jan 22 - Mon, Jan 25

10:35 am - 12:42 pmATL Atlanta Hartsfield-Jackson-MIA Miami

2h 07mnonstop

10:07 pm - 12:19 amMIA Miami-ATL Atlanta Hartsfield-Jackson

2h 12mnonstop

$91Frontier

Sun, Dec 13 - Sat, Dec 19

11:19 am - 1:23 pmATL Atlanta Hartsfield-Jackson-MIA Miami

2h 04mnonstop

7:47 am - 9:49 amMIA Miami-ATL Atlanta Hartsfield-Jackson

2h 02mnonstop

$147American Airlines

Wed, Nov 18 - Sat, Nov 28

6:52 pm - 8:59 pmATL Atlanta Hartsfield-Jackson-MIA Miami

2h 07mnonstop

7:47 am - 9:49 amMIA Miami-ATL Atlanta Hartsfield-Jackson

2h 02mnonstop

$147American Airlines

Sat, Nov 21 - Fri, Nov 27

10:55 pm - 12:57 amATL Atlanta Hartsfield-Jackson-MIA Miami

2h 02mnonstop

6:00 am - 8:08 amMIA Miami-ATL Atlanta Hartsfield-Jackson

2h 08mnonstop

$147Delta

Sat, Nov 21 - Fri, Nov 27

12:42 pm - 2:39 pmATL Atlanta Hartsfield-Jackson-MIA Miami

1h 57mnonstop

6:00 am - 8:08 amMIA Miami-ATL Atlanta Hartsfield-Jackson

2h 08mnonstop

$147Delta

Tue, Nov 24 - Fri, Nov 27

6:55 am - 11:20 amATL Atlanta Hartsfield-Jackson-MIA Miami

4h 25m1 stop Nashville Intl

5:35 pm - 9:25 pmMIA Miami-ATL Atlanta Hartsfield-Jackson

3h 50m1 stop Orlando

$167Southwest

Wed, Dec 2 - Wed, Dec 2

3:10 pm - 10:20 pmATL Atlanta Hartsfield-Jackson-MIA Miami

7h 10m1 stop Nashville Intl

12:20 pm - 7:50 pmMIA Miami-ATL Atlanta Hartsfield-Jackson

7h 30m1 stop Baltimore/Washington

$167Southwest

Fri, Nov 27 - Sat, Dec 5

7:25 pm - 2:36 pmPHL Philadelphia-MIA Miami

19h 11m2 stops Tampa St. Petersburg Atlanta Hartsfield-Jackson

7:05 am - 12:28 amMIA Miami-PHL Philadelphia

17h 23m1 stop Atlanta Hartsfield-Jackson

$178Multiple Airlines

Mon, Dec 7 - Sat, Jan 30

6:35 pm - 2:36 pmPHL Philadelphia-MIA Miami

20h 01m2 stops Tampa St. Petersburg Atlanta Hartsfield-Jackson

7:05 am - 12:28 amMIA Miami-PHL Philadelphia

17h 23m1 stop Atlanta Hartsfield-Jackson

$178Multiple Airlines

Mon, Dec 14 - Sat, Jan 30

Cheap Flights Under $100 to Phoenix

Enter your travel dates to find the best prices.

12:15 pm - 12:33 amLAX Los Angeles-PHX Phoenix Sky Harbor Intl

11h 18m1 stop Las Vegas Harry Reid Intl

6:51 am - 7:20 amPHX Phoenix Sky Harbor Intl-LAX Los Angeles

1h 29mnonstop

$98Frontier

Mon, Nov 23 - Wed, Nov 25

3:25 pm - 12:41 amLAX Los Angeles-PHX Phoenix Sky Harbor Intl

8h 16m1 stop Las Vegas Harry Reid Intl

6:10 am - 6:41 amPHX Phoenix Sky Harbor Intl-LAX Los Angeles

1h 31mnonstop

$99Frontier

Thu, Jan 14 - Mon, Jan 18

8:05 pm - 11:05 pmSFO San Francisco-PHX Phoenix Sky Harbor Intl

2h 00mnonstop

12:00 pm - 1:15 pmPHX Phoenix Sky Harbor Intl-SFO San Francisco

2h 15mnonstop

$117Southwest

Mon, Feb 8 - Wed, Feb 10

2:25 pm - 5:35 pmSFO San Francisco-PHX Phoenix Sky Harbor Intl

2h 10mnonstop

7:30 pm - 8:35 pmPHX Phoenix Sky Harbor Intl-SFO San Francisco

2h 05mnonstop

$117Southwest

Tue, Dec 1 - Fri, Dec 4

10:10 am - 1:15 pmSFO San Francisco-PHX Phoenix Sky Harbor Intl

2h 05mnonstop

6:00 am - 7:16 amPHX Phoenix Sky Harbor Intl-SFO San Francisco

2h 16mnonstop

$117United Airlines

Wed, Jan 6 - Sat, Jan 9

9:20 pm - 12:22 amSFO San Francisco-PHX Phoenix Sky Harbor Intl

2h 02mnonstop

6:26 pm - 7:42 pmPHX Phoenix Sky Harbor Intl-SFO San Francisco

2h 16mnonstop

$117United Airlines

Thu, Dec 17 - Mon, Dec 21

5:07 pm - 8:10 pmSFO San Francisco-PHX Phoenix Sky Harbor Intl

2h 03mnonstop

5:31 pm - 10:05 pmPHX Phoenix Sky Harbor Intl-SFO San Francisco

5h 34m1 stop San Diego

$118Multiple Airlines

Wed, Nov 18 - Sat, Nov 21

2:17 pm - 5:26 pmSFO San Francisco-PHX Phoenix Sky Harbor Intl

2h 09mnonstop

8:02 pm - 8:56 amPHX Phoenix Sky Harbor Intl-SFO San Francisco

13h 54m1 stop San Diego

$118Multiple Airlines

Mon, Dec 7 - Mon, Dec 7

8:28 am - 7:02 pmSFO San Francisco-PHX Phoenix Sky Harbor Intl

9h 34m1 stop San Diego

12:17 pm - 6:00 pmPHX Phoenix Sky Harbor Intl-SFO San Francisco

6h 43m1 stop San Diego

$137Alaska Airlines

Mon, Feb 8 - Wed, Feb 10

12:11 pm - 7:20 pmSFO San Francisco-PHX Phoenix Sky Harbor Intl

6h 09m1 stop San Diego

4:08 pm - 9:20 pmPHX Phoenix Sky Harbor Intl-SFO San Francisco

6h 12m1 stop San Diego

$137Alaska Airlines

Thu, Dec 3 - Fri, Dec 4

How does momondo discover flight deals under $100?
momondo works with hundreds of travel providers to bring you the top deals on flights under $100. By pooling deals from a multitude of providers, momondo makes it quick and simple for you to compare fantastic deals on both domestic and international flights under $100.
Are there more one-way or round-trip deals under $100 on momondo?
Scoring a flight under $100, be it one-way or round-trip, can depend on a few factors such as where you're headed, which airline you're flying with, and when you decide to buy your tickets. While round-trip tickets were once the norm, the rise of budget airlines and increased competition have changed the game. For domestic flights or shorter journeys, one-way tickets under $100 can often be a real bargain, especially when you choose a budget-friendly airline. If you're flying internationally or embarking on a longer trip, round-trip tickets under $100 usually offer better value.
Does momondo have deals on flights to domestic destinations that are under $100?
Yes – momondo frequently features domestic flight deals under $100 within United States. Prices can vary based on your departure and arrival airports and the time of year or week, so if you don’t see something now, be sure to try again soon.
Can I find deals on flights to international destinations that are under $100 on momondo?
Yes – momondo also surfaces deals on international flights under $100, though availability may depend on whether you’re looking at one-way or round-trip options. International routes can cost a bit more, but deals are refreshed regularly – so check back often to find something that fits your travel plans and budget.

To score a below-average price on your flight under $100, try booking at least one week before your departure.
Flights under $100 are at their lowest in February, so consider planning a trip this winter to save.
When booking a flight under $100, the day you choose to travel matters. momondo data from the last two weeks shows that Monday offered the lowest fares.