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San Diego, CA (SAN) to St. Louis, MO (STL)

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Frontier Airlines

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Are your travel dates flexible? See our Fare Comparison Calendar

Note: Prices are per person for roundtrip travel; they are e-ticket prices and include all flight taxes and fees. If your itinerary requires paper tickets there will be an additional charge. Prices do not include baggage fees or other fees charged directly by the airline. These results cover a metro area with several airports. Review your choices carefully.

1 Choose a departing flight or view complete roundtrips

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from $213.00 + $42.40 taxes & fees = $255.40

6:25 am Depart San Diego (SAN)
Arrive St. Louis (STL) 1:47 pm

Mon 18-Jan
Duration: 5hr 22mn

	Frontier Airlines 674 / 294
	Connect in Denver (Denver Intl.)

Choose this departure

from $258.00 + $42.40 taxes & fees = $300.40

9:50 am Depart San Diego (SAN)
Arrive St. Louis (STL) 4:49 pm

Mon 18-Jan
Duration: 4hr 59mn

	US Airways 351 / 156
	Connect in Phoenix (Sky Harbor Intl.)

Choose this departure

from $258.00 + $42.40 taxes & fees = $300.40

3:12 pm Depart San Diego (SAN)
Arrive St. Louis (STL) 10:14 pm

Mon 18-Jan
Duration: 5hr 2mn

	UNITED 354 / 7388
	Connect in Denver (Denver Intl.)

Choose this departure

from $258.00 + $42.40 taxes & fees = $300.40

1:40 pm Depart San Diego (SAN)
Arrive St. Louis (STL) 8:45 pm

Mon 18-Jan
Duration: 5hr 5mn

	American Airlines 3070 / 768
	Connect in Los Angeles (LAX)

Choose this departure

from $258.00 + $42.40 taxes & fees = $300.40

6:30 am Depart San Diego (SAN)
Arrive St. Louis (STL) 1:41 pm

Mon 18-Jan
Duration: 5hr 11mn

	US Airways 567 / 158
	Connect in Phoenix (Sky Harbor Intl.)

Choose this departure

from $258.00 + $42.40 taxes & fees = $300.40

4:20 pm Depart San Diego (SAN)
Arrive St. Louis (STL) 11:34 pm

Mon 18-Jan
Duration: 5hr 14mn

	US Airways 500 / 152
	Connect in Phoenix (Sky Harbor Intl.)

Choose this departure

from $258.00 + $42.40 taxes & fees = $300.40

9:55 am Depart San Diego (SAN)
Arrive St. Louis (STL) 5:10 pm

Mon 18-Jan
Duration: 5hr 15mn

	American Airlines 3069 / 818
	Connect in Los Angeles (LAX)

Choose this departure

from $258.00 + $42.40 taxes & fees = $300.40

6:25 am Depart San Diego (SAN)
Arrive St. Louis (STL) 1:41 pm

Mon 18-Jan
Duration: 5hr 16mn

	US Airways 57 / 158
	Connect in Phoenix (Sky Harbor Intl.)

Choose this departure

from $258.00 + $42.40 taxes & fees = $300.40

2:45 pm Depart San Diego (SAN)
Arrive St. Louis (STL) 10:25 pm

Mon 18-Jan
Duration: 5hr 40mn

	American Airlines 1358 / 1869
	Connect in Chicago (ORD)

Choose this departure

from $258.00 + $42.40 taxes & fees = $300.40

1:48 pm Depart San Diego (SAN)
Arrive St. Louis (STL) 9:37 pm

Mon 18-Jan
Duration: 5hr 49mn

	UNITED 628 / 8073
	Connect in Chicago (ORD)

Choose this departure

from $258.00 + $42.40 taxes & fees = $300.40

6:25 am Depart San Diego (SAN)
Arrive St. Louis (STL) 2:30 pm

Mon 18-Jan
Duration: 6hr 5mn

	American Airlines 1096 / 1120
	Connect in Chicago (ORD)

Choose this departure

from $258.00 + $42.40 taxes & fees = $300.40

10:10 am Depart San Diego (SAN)
Arrive St. Louis (STL) 6:25 pm

Mon 18-Jan
Duration: 6hr 15mn

	American Airlines 500 / 2067
	Connect in Chicago (ORD)

Choose this departure

from $258.00 + $42.40 taxes & fees = $300.40

12:30 pm Depart San Diego (SAN)
Arrive St. Louis (STL) 8:45 pm

Mon 18-Jan
Duration: 6hr 15mn

	American Airlines 3044 / 768
	Connect in Los Angeles (LAX)

Choose this departure

from $258.00 + $46.00 taxes & fees = $304.00

12:30 pm Depart San Diego (SAN)
Arrive St. Louis (STL) 9:00 pm

Mon 18-Jan
Duration: 6hr 30mn

	American Airlines 3044 / 2448 / 424
	Connect in Los Angeles (LAX), Dallas (Dallas-Fort Worth Intl.)

Choose this departure

from $266.00 + $42.40 taxes & fees = $308.40

3:08 pm Depart San Diego (SAN)
Arrive St. Louis (STL) 10:12 pm

Mon 18-Jan
Duration: 5hr 4mn

	Frontier Airlines 1064 / 282
	Connect in Denver (Denver Intl.)

Choose this departure

from $273.00 + $40.90 taxes & fees = $313.90

12:10 pm Depart San Diego (SAN)
Arrive St. Louis (STL) 8:35 pm

Mon 18-Jan
Duration: 6hr 25mn

	Delta 1644 / 6115
	Connect in Cincinnati (Cincinnati - Northern Kentucky Intl.)

Choose this departure

from $273.00 + $42.40 taxes & fees = $315.40

6:15 am Depart San Diego (SAN)
Arrive St. Louis (STL) 1:54 pm

Mon 18-Jan
Duration: 5hr 39mn

	Delta 4511 / 1242
	Connect in Salt Lake City (SLC)

Choose this departure

from $273.00 + $42.40 taxes & fees = $315.40

6:35 am Depart San Diego (SAN)
Arrive St. Louis (STL) 3:34 pm

Mon 18-Jan
Duration: 6hr 59mn

	Northwest 2186 / 7219
	Connect in Minneapolis (Minneapolis - St. Paul Intl.)

Choose this departure

from $273.00 + $42.40 taxes & fees = $315.40

6:35 am Depart San Diego (SAN)
Arrive St. Louis (STL) 3:34 pm

Mon 18-Jan
Duration: 6hr 59mn

	Delta 2595 / 2567
	Connect in Minneapolis (Minneapolis - St. Paul Intl.)

Choose this departure

from $273.00 + $42.40 taxes & fees = $315.40

11:55 am Depart San Diego (SAN)
Arrive St. Louis (STL) 9:00 pm

Mon 18-Jan
Duration: 7hr 5mn

	Northwest 2184 / 7330
	Connect in Minneapolis (Minneapolis - St. Paul Intl.)

Choose this departure

from $273.00 + $42.40 taxes & fees = $315.40

11:55 am Depart San Diego (SAN)
Arrive St. Louis (STL) 9:00 pm

Mon 18-Jan
Duration: 7hr 5mn

	Delta 2580 / 7163
	Connect in Minneapolis (Minneapolis - St. Paul Intl.)

Choose this departure

from $273.00 + $42.40 taxes & fees = $315.40

10:40 pm Depart San Diego (SAN)
Arrive St. Louis (STL) 8:17 am +1 day

Mon 18-Jan
Duration: 7hr 37mn

	Delta 1048 / 923
	Connect in Atlanta (Hartsfield-Jackson Atlanta Intl.)

Choose this departure

from $273.00 + $42.40 taxes & fees = $315.40

6:35 am Depart San Diego (SAN)
Arrive St. Louis (STL) 5:01 pm

Mon 18-Jan
Duration: 8hr 26mn

	Northwest 2186 / 3542
	Connect in Minneapolis (Minneapolis - St. Paul Intl.)

Choose this departure

from $276.00 + $42.40 taxes & fees = $318.40

9:10 am Depart San Diego (SAN)
Arrive St. Louis (STL) 6:11 pm

Mon 18-Jan
Duration: 7hr 1mn

	Frontier Airlines 1066 / 558
	Connect in Denver (Denver Intl.)

Choose this departure

from $278.01 + $42.40 taxes & fees = $320.41

8:13 am Depart San Diego (SAN)
Arrive St. Louis (STL) 4:11 pm

Mon 18-Jan
Duration: 5hr 58mn

	UNITED 330 / 7399
	Connect in Chicago (ORD)

Choose this departure

from $278.01 + $42.40 taxes & fees = $320.41

2:10 pm Depart San Diego (SAN)
Arrive St. Louis (STL) 10:45 pm

Mon 18-Jan
Duration: 6hr 35mn

	American Airlines 885 / 2226
	Connect in Dallas (Dallas-Fort Worth Intl.)

Choose this departure

from $276.00 + $46.00 taxes & fees = $322.00

8:20 am Depart San Diego (SAN)
Arrive St. Louis (STL) 6:11 pm

Mon 18-Jan
Duration: 7hr 51mn

	UNITED 157 / 714
	Frontier Airlines 558
	Connect in San Francisco (SFO), Denver (Denver Intl.)

Choose this departure

from $279.99 + $42.41 taxes & fees = $322.40

4:20 pm Depart San Diego (SAN)
Arrive St. Louis (STL) 11:34 pm

Mon 18-Jan
Duration: 5hr 14mn

	US Airways 500
	UNITED 1170
	Connect in Phoenix (Sky Harbor Intl.)

Choose this departure

from $281.99 + $42.41 taxes & fees = $324.40

6:30 am Depart San Diego (SAN)
Arrive St. Louis (STL) 2:30 pm

Mon 18-Jan
Duration: 6hr 0mn

	Continental 6206
	American Airlines 1120
	Connect in Chicago (ORD)

Choose this departure

from $281.99 + $42.41 taxes & fees = $324.40

6:18 am Depart San Diego (SAN)
Arrive St. Louis (STL) 2:30 pm

Mon 18-Jan
Duration: 6hr 12mn

	UNITED 16
	American Airlines 1120
	Connect in Chicago (ORD)

Choose this departure

from $281.99 + $42.41 taxes & fees = $324.40

2:45 pm Depart San Diego (SAN)
Arrive St. Louis (STL) 11:05 pm

Mon 18-Jan
Duration: 6hr 20mn

	American Airlines 1358
	UNITED 7497
	Connect in Chicago (ORD)

Choose this departure

from $281.99 + $42.41 taxes & fees = $324.40

1:48 pm Depart San Diego (SAN)
Arrive St. Louis (STL) 10:25 pm

Mon 18-Jan
Duration: 6hr 37mn

	UNITED 628
	American Airlines 1869
	Connect in Chicago (ORD)

Choose this departure

from $281.99 + $42.41 taxes & fees = $324.40

8:20 am Depart San Diego (SAN)
Arrive St. Louis (STL) 5:00 pm

Mon 18-Jan
Duration: 6hr 40mn

	Continental 6396
	American Airlines 1797
	Connect in Chicago (ORD)

Choose this departure

from $281.99 + $42.41 taxes & fees = $324.40

1:21 pm Depart San Diego (SAN)
Arrive St. Louis (STL) 10:25 pm

Mon 18-Jan
Duration: 7hr 4mn

	Continental 6545
	American Airlines 1869
	Connect in Chicago (ORD)

Choose this departure

from $279.99 + $46.01 taxes & fees = $326.00

12:40 pm Depart San Diego (SAN)
Arrive St. Louis (STL) 10:12 pm

Mon 18-Jan
Duration: 7hr 32mn

	US Airways 569
	Frontier Airlines 858 / 282
	Connect in Phoenix (Sky Harbor Intl.), Denver (Denver Intl.)

Choose this departure

from $300.00 + $35.40 taxes & fees = $335.40

11:11 am Depart San Diego (SAN)
Arrive St. Louis (STL) 6:11 pm

Mon 18-Jan
Duration: 5hr 0mn

	Frontier Airlines 558
	1 stop

Choose this departure

from $300.00 + $42.40 taxes & fees = $342.40

12:35 pm Depart San Diego (SAN)
Arrive St. Louis (STL) 7:55 pm

Mon 18-Jan
Duration: 5hr 20mn

	American Airlines 2008 / 1790
	Connect in Dallas (Dallas-Fort Worth Intl.)

Choose this departure

from $300.00 + $42.40 taxes & fees = $342.40

8:00 am Depart San Diego (SAN)
Arrive St. Louis (STL) 3:45 pm

Mon 18-Jan
Duration: 5hr 45mn

	American Airlines 1744 / 1578
	Connect in Dallas (Dallas-Fort Worth Intl.)

Choose this departure

from $301.00 + $42.40 taxes & fees = $343.40

6:25 am Depart San Diego (SAN)
Arrive St. Louis (STL) 1:41 pm

Mon 18-Jan
Duration: 5hr 16mn

	US Airways 57
	UNITED 1172
	Connect in Phoenix (Sky Harbor Intl.)

Choose this departure

from $305.00 + $42.40 taxes & fees = $347.40

1:21 pm Depart San Diego (SAN)
Arrive St. Louis (STL) 9:37 pm

Mon 18-Jan
Duration: 6hr 16mn

	Continental 6545
	US Airways 7203
	Connect in Chicago (ORD)

Choose this departure

from $312.00 + $42.40 taxes & fees = $354.40

1:48 pm Depart San Diego (SAN)
Arrive St. Louis (STL) 9:37 pm

Mon 18-Jan
Duration: 5hr 49mn

	US Airways 6445 / 7203
	Connect in Chicago (ORD)

Choose this departure

from $315.00 + $42.40 taxes & fees = $357.40

8:13 am Depart San Diego (SAN)
Arrive St. Louis (STL) 5:00 pm

Mon 18-Jan
Duration: 6hr 47mn

	UNITED 330
	American Airlines 1797
	Connect in Chicago (ORD)

Choose this departure

from $321.00 + $42.40 taxes & fees = $363.40

8:20 am Depart San Diego (SAN)
Arrive St. Louis (STL) 4:11 pm

Mon 18-Jan
Duration: 5hr 51mn

	Continental 6396
	UNITED 7399
	Connect in Chicago (ORD)

Choose this departure

from $324.01 + $42.40 taxes & fees = $366.41

11:05 am Depart San Diego (SAN)
Arrive St. Louis (STL) 6:30 pm

Mon 18-Jan
Duration: 5hr 25mn

	American Airlines 1024 / 492
	Connect in Dallas (Dallas-Fort Worth Intl.)

Choose this departure

from $333.00 + $40.90 taxes & fees = $373.90

9:50 am Depart San Diego (SAN)
Arrive St. Louis (STL) 5:33 pm

Mon 18-Jan
Duration: 5hr 43mn

	Continental 1606 / 2146
	Connect in Houston (IAH)

Choose this departure

from $346.00 + $42.40 taxes & fees = $388.40

1:44 pm Depart San Diego (SAN)
Arrive St. Louis (STL) 10:50 pm

Mon 18-Jan
Duration: 7hr 6mn

	Delta 1046 / 1756
	Connect in Atlanta (Hartsfield-Jackson Atlanta Intl.)

Choose this departure

from $353.00 + $46.00 taxes & fees = $399.00

6:30 am Depart San Diego (SAN)
Arrive St. Louis (STL) 5:01 pm

Mon 18-Jan
Duration: 8hr 31mn

	US Airways 567
	Delta 3113 / 4271
	Connect in Phoenix (Sky Harbor Intl.), Minneapolis (Minneapolis - St. Paul Intl.)

Choose this departure

from $515.00 + $42.40 taxes & fees = $557.40

4:30 pm Depart San Diego (SAN)
Arrive St. Louis (STL) 11:49 pm

Mon 18-Jan
Duration: 5hr 19mn

	Delta 4512 / 4518
	Connect in Salt Lake City (SLC)

Choose this departure

from $538.01 + $42.40 taxes & fees = $580.41

11:15 am Depart San Diego (SAN)
Arrive St. Louis (STL) 8:05 pm

Mon 18-Jan
Duration: 6hr 50mn

	Delta 1044 / 4556
	Connect in Atlanta (Hartsfield-Jackson Atlanta Intl.)

Choose this departure

select to check price

10:10 am Depart San Diego (SAN)
Arrive St. Louis (STL) 6:25 pm

Mon 18-Jan
Duration: 6hr 15mn

	Alaska Airlines 1297
	American Airlines 2067
	Connect in Chicago (ORD)

Choose this departure

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